/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 14:12:01,276 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 14:12:01,277 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 14:12:01,297 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 14:12:01,297 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 14:12:01,298 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 14:12:01,299 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 14:12:01,300 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 14:12:01,301 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 14:12:01,302 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 14:12:01,302 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 14:12:01,303 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 14:12:01,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 14:12:01,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 14:12:01,304 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 14:12:01,305 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 14:12:01,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 14:12:01,306 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 14:12:01,307 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 14:12:01,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 14:12:01,309 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 14:12:01,310 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 14:12:01,311 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 14:12:01,311 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 14:12:01,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 14:12:01,314 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 14:12:01,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 14:12:01,314 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 14:12:01,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 14:12:01,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 14:12:01,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 14:12:01,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 14:12:01,316 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 14:12:01,317 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 14:12:01,317 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 14:12:01,318 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 14:12:01,318 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 14:12:01,318 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 14:12:01,319 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 14:12:01,319 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 14:12:01,320 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 14:12:01,320 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 14:12:01,347 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 14:12:01,348 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 14:12:01,348 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 14:12:01,348 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 14:12:01,348 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 14:12:01,348 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 14:12:01,349 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 14:12:01,349 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 14:12:01,349 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 14:12:01,349 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 14:12:01,349 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 14:12:01,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 14:12:01,350 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 14:12:01,350 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 14:12:01,350 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 14:12:01,350 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 14:12:01,350 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 14:12:01,350 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 14:12:01,350 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 14:12:01,350 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 14:12:01,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 14:12:01,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 14:12:01,351 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 14:12:01,351 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 14:12:01,351 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 14:12:01,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 14:12:01,351 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 14:12:01,351 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 14:12:01,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 14:12:01,352 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 14:12:01,352 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 14:12:01,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 14:12:01,352 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 14:12:01,352 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 14:12:01,352 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 14:12:01,352 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 14:12:01,352 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-20 14:12:01,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 14:12:01,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 14:12:01,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 14:12:01,586 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 14:12:01,598 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 14:12:01,599 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c [2023-05-20 14:12:01,657 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b96af2da/52d9426716c34bb8bf8c5ec7cf5377fc/FLAG11ccaaf04 [2023-05-20 14:12:02,016 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 14:12:02,016 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-parallel-sum-1.wvr.c [2023-05-20 14:12:02,021 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b96af2da/52d9426716c34bb8bf8c5ec7cf5377fc/FLAG11ccaaf04 [2023-05-20 14:12:02,442 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4b96af2da/52d9426716c34bb8bf8c5ec7cf5377fc [2023-05-20 14:12:02,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 14:12:02,445 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 14:12:02,446 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 14:12:02,446 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 14:12:02,448 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 14:12:02,449 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 02:12:02" (1/1) ... [2023-05-20 14:12:02,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@524fc61a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:12:02, skipping insertion in model container [2023-05-20 14:12:02,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 02:12:02" (1/1) ... [2023-05-20 14:12:02,454 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 14:12:02,481 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 14:12:02,646 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/parallel-parallel-sum-1.wvr.c[3642,3655] [2023-05-20 14:12:02,661 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 14:12:02,665 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 14:12:02,690 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/parallel-parallel-sum-1.wvr.c[3642,3655] [2023-05-20 14:12:02,693 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 14:12:02,701 INFO L208 MainTranslator]: Completed translation [2023-05-20 14:12:02,702 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:12:02 WrapperNode [2023-05-20 14:12:02,702 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 14:12:02,703 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 14:12:02,703 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 14:12:02,703 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 14:12:02,707 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:12:02" (1/1) ... [2023-05-20 14:12:02,713 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:12:02" (1/1) ... [2023-05-20 14:12:02,732 INFO L138 Inliner]: procedures = 27, calls = 68, calls flagged for inlining = 18, calls inlined = 24, statements flattened = 297 [2023-05-20 14:12:02,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 14:12:02,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 14:12:02,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 14:12:02,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 14:12:02,739 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:12:02" (1/1) ... [2023-05-20 14:12:02,739 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:12:02" (1/1) ... [2023-05-20 14:12:02,742 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:12:02" (1/1) ... [2023-05-20 14:12:02,742 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:12:02" (1/1) ... [2023-05-20 14:12:02,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:12:02" (1/1) ... [2023-05-20 14:12:02,751 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:12:02" (1/1) ... [2023-05-20 14:12:02,752 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:12:02" (1/1) ... [2023-05-20 14:12:02,753 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:12:02" (1/1) ... [2023-05-20 14:12:02,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 14:12:02,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 14:12:02,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 14:12:02,756 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 14:12:02,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:12:02" (1/1) ... [2023-05-20 14:12:02,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 14:12:02,784 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:12:02,795 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-20 14:12:02,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-20 14:12:02,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 14:12:02,831 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 14:12:02,831 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 14:12:02,831 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 14:12:02,833 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 14:12:02,834 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 14:12:02,834 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 14:12:02,834 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 14:12:02,834 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-20 14:12:02,834 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-20 14:12:02,834 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2023-05-20 14:12:02,835 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2023-05-20 14:12:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 14:12:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 14:12:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 14:12:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-20 14:12:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 14:12:02,835 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 14:12:02,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 14:12:02,837 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 14:12:02,910 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 14:12:02,912 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 14:12:03,254 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 14:12:03,363 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 14:12:03,363 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2023-05-20 14:12:03,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 02:12:03 BoogieIcfgContainer [2023-05-20 14:12:03,366 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 14:12:03,368 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 14:12:03,368 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 14:12:03,371 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 14:12:03,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 02:12:02" (1/3) ... [2023-05-20 14:12:03,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff5b54f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 02:12:03, skipping insertion in model container [2023-05-20 14:12:03,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:12:02" (2/3) ... [2023-05-20 14:12:03,372 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff5b54f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 02:12:03, skipping insertion in model container [2023-05-20 14:12:03,372 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 02:12:03" (3/3) ... [2023-05-20 14:12:03,374 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-parallel-sum-1.wvr.c [2023-05-20 14:12:03,382 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 14:12:03,389 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 14:12:03,389 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 14:12:03,389 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 14:12:03,452 INFO L144 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2023-05-20 14:12:03,495 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 14:12:03,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 14:12:03,495 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:12:03,497 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-20 14:12:03,502 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-20 14:12:03,534 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 14:12:03,553 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 14:12:03,558 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;@36a2917c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 14:12:03,558 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2023-05-20 14:12:03,849 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 2 more)] === [2023-05-20 14:12:03,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:12:03,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1825003921, now seen corresponding path program 1 times [2023-05-20 14:12:03,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:12:03,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369475667] [2023-05-20 14:12:03,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:12:03,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:12:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:12:04,163 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-05-20 14:12:04,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:12:04,163 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369475667] [2023-05-20 14:12:04,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369475667] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 14:12:04,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 14:12:04,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 14:12:04,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778487360] [2023-05-20 14:12:04,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 14:12:04,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 14:12:04,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:12:04,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 14:12:04,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 14:12:04,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:12:04,194 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:12:04,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 79.5) internal successors, (159), 2 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:12:04,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:12:04,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:12:04,314 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 14:12:04,314 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 2 more)] === [2023-05-20 14:12:04,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:12:04,315 INFO L85 PathProgramCache]: Analyzing trace with hash 1022162429, now seen corresponding path program 1 times [2023-05-20 14:12:04,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:12:04,315 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905154363] [2023-05-20 14:12:04,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:12:04,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:12:04,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:12:05,077 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-05-20 14:12:05,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:12:05,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905154363] [2023-05-20 14:12:05,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905154363] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 14:12:05,079 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 14:12:05,079 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-05-20 14:12:05,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865648361] [2023-05-20 14:12:05,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 14:12:05,081 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-05-20 14:12:05,081 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:12:05,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-05-20 14:12:05,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-05-20 14:12:05,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:12:05,083 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:12:05,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.0) internal successors, (162), 9 states have internal predecessors, (162), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:12:05,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:12:05,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:12:05,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:12:05,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:12:05,288 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 14:12:05,288 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 2 more)] === [2023-05-20 14:12:05,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:12:05,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1264471590, now seen corresponding path program 1 times [2023-05-20 14:12:05,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:12:05,289 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751027647] [2023-05-20 14:12:05,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:12:05,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:12:05,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:12:05,959 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 24 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-20 14:12:05,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:12:05,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751027647] [2023-05-20 14:12:05,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751027647] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:12:05,962 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [963026093] [2023-05-20 14:12:05,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:12:05,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:12:05,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:12:05,965 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 14:12:05,984 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-20 14:12:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:12:06,136 INFO L263 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-20 14:12:06,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:12:06,423 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-05-20 14:12:06,423 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:12:06,651 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2023-05-20 14:12:06,651 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [963026093] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:12:06,652 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:12:06,652 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 11, 11] total 29 [2023-05-20 14:12:06,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608549773] [2023-05-20 14:12:06,652 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:12:06,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2023-05-20 14:12:06,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:12:06,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-05-20 14:12:06,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=671, Unknown=0, NotChecked=0, Total=812 [2023-05-20 14:12:06,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:12:06,654 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:12:06,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 10.10344827586207) internal successors, (293), 29 states have internal predecessors, (293), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:12:06,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:12:06,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:12:06,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:12:07,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:12:07,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:12:07,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:12:07,075 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-20 14:12:07,263 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-05-20 14:12:07,266 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 2 more)] === [2023-05-20 14:12:07,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:12:07,267 INFO L85 PathProgramCache]: Analyzing trace with hash 1447699933, now seen corresponding path program 2 times [2023-05-20 14:12:07,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:12:07,267 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145620687] [2023-05-20 14:12:07,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:12:07,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:12:07,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:12:07,818 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 24 proven. 9 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-05-20 14:12:07,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:12:07,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145620687] [2023-05-20 14:12:07,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145620687] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:12:07,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2145964293] [2023-05-20 14:12:07,819 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 14:12:07,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:12:07,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:12:07,833 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 14:12:07,859 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-20 14:12:08,004 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 14:12:08,004 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 14:12:08,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 575 conjuncts, 19 conjunts are in the unsatisfiable core [2023-05-20 14:12:08,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:12:08,323 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-05-20 14:12:08,323 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:12:08,579 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 13 proven. 9 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-05-20 14:12:08,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2145964293] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:12:08,580 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:12:08,580 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 14, 14] total 33 [2023-05-20 14:12:08,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1494427676] [2023-05-20 14:12:08,580 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:12:08,581 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-05-20 14:12:08,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:12:08,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-05-20 14:12:08,582 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=864, Unknown=0, NotChecked=0, Total=1056 [2023-05-20 14:12:08,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:12:08,582 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:12:08,583 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 8.848484848484848) internal successors, (292), 33 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:12:08,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:12:08,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:12:08,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:12:08,583 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:12:08,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:12:08,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:12:08,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:12:08,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:12:08,982 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-20 14:12:09,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:12:09,182 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 2 more)] === [2023-05-20 14:12:09,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:12:09,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1683652026, now seen corresponding path program 3 times [2023-05-20 14:12:09,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:12:09,183 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945134455] [2023-05-20 14:12:09,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:12:09,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:12:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:12:09,842 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 13 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:12:09,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:12:09,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945134455] [2023-05-20 14:12:09,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945134455] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:12:09,843 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949365350] [2023-05-20 14:12:09,843 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 14:12:09,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:12:09,843 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:12:09,857 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 14:12:09,884 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-20 14:12:10,006 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-05-20 14:12:10,006 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 14:12:10,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-20 14:12:10,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:12:10,444 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 11 proven. 40 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 14:12:10,445 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:12:10,923 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 27 proven. 24 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 14:12:10,924 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [949365350] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:12:10,924 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:12:10,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 17, 17] total 48 [2023-05-20 14:12:10,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516840201] [2023-05-20 14:12:10,924 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:12:10,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-05-20 14:12:10,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:12:10,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-05-20 14:12:10,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=296, Invalid=1960, Unknown=0, NotChecked=0, Total=2256 [2023-05-20 14:12:10,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:12:10,926 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:12:10,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 8.604166666666666) internal successors, (413), 48 states have internal predecessors, (413), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:12:10,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:12:10,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:12:10,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:12:10,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:12:10,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:12:11,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:12:11,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:12:11,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:12:11,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:12:11,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:12:11,509 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-20 14:12:11,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:12:11,691 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 2 more)] === [2023-05-20 14:12:11,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:12:11,692 INFO L85 PathProgramCache]: Analyzing trace with hash 828771773, now seen corresponding path program 4 times [2023-05-20 14:12:11,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:12:11,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [994582226] [2023-05-20 14:12:11,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:12:11,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:12:11,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:12:15,589 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 3 proven. 73 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:12:15,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:12:15,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [994582226] [2023-05-20 14:12:15,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [994582226] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:12:15,589 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1886294703] [2023-05-20 14:12:15,589 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 14:12:15,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:12:15,590 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:12:15,595 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 14:12:15,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-20 14:12:15,780 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 14:12:15,780 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 14:12:15,784 INFO L263 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 131 conjunts are in the unsatisfiable core [2023-05-20 14:12:15,788 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:12:17,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:12:17,130 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-20 14:12:17,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:12:17,323 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 [2023-05-20 14:12:18,077 INFO L356 Elim1Store]: treesize reduction 20, result has 83.5 percent of original size [2023-05-20 14:12:18,078 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 61 treesize of output 115 [2023-05-20 14:12:18,351 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:12:18,351 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:12:19,408 INFO L356 Elim1Store]: treesize reduction 10, result has 28.6 percent of original size [2023-05-20 14:12:19,409 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 124 treesize of output 83 [2023-05-20 14:12:19,412 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 75 treesize of output 61 [2023-05-20 14:12:19,415 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 28 [2023-05-20 14:12:21,375 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:12:21,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1886294703] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:12:21,375 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:12:21,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 40, 40] total 107 [2023-05-20 14:12:21,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968979592] [2023-05-20 14:12:21,376 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:12:21,377 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 107 states [2023-05-20 14:12:21,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:12:21,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2023-05-20 14:12:21,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=706, Invalid=10631, Unknown=5, NotChecked=0, Total=11342 [2023-05-20 14:12:21,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:12:21,380 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:12:21,381 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 107 states, 107 states have (on average 4.663551401869159) internal successors, (499), 107 states have internal predecessors, (499), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:12:21,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:12:21,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:12:21,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:12:21,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:12:21,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:12:21,381 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:12:25,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:12:25,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:12:25,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:12:25,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:12:25,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:12:25,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-20 14:12:25,822 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-20 14:12:26,006 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:12:26,007 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 2 more)] === [2023-05-20 14:12:26,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:12:26,007 INFO L85 PathProgramCache]: Analyzing trace with hash -2024847486, now seen corresponding path program 5 times [2023-05-20 14:12:26,007 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:12:26,007 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607355992] [2023-05-20 14:12:26,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:12:26,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:12:26,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:12:32,406 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 14 proven. 117 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:12:32,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:12:32,406 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607355992] [2023-05-20 14:12:32,409 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607355992] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:12:32,414 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [492200933] [2023-05-20 14:12:32,414 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 14:12:32,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:12:32,415 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:12:32,416 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 14:12:32,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-20 14:12:32,732 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2023-05-20 14:12:32,732 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 14:12:32,736 INFO L263 TraceCheckSpWp]: Trace formula consists of 676 conjuncts, 158 conjunts are in the unsatisfiable core [2023-05-20 14:12:32,741 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:12:32,744 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 14:12:32,793 INFO L356 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2023-05-20 14:12:32,793 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2023-05-20 14:12:32,999 INFO L356 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2023-05-20 14:12:32,999 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 16 treesize of output 18 [2023-05-20 14:12:33,660 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-20 14:12:33,836 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 20 treesize of output 22 [2023-05-20 14:12:35,013 INFO L356 Elim1Store]: treesize reduction 70, result has 4.1 percent of original size [2023-05-20 14:12:35,025 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 69 treesize of output 20 [2023-05-20 14:12:35,171 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-05-20 14:12:35,171 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:12:36,246 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 214 treesize of output 160 [2023-05-20 14:12:36,248 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 160 treesize of output 132 [2023-05-20 14:12:36,249 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 118 [2023-05-20 14:12:37,348 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2023-05-20 14:12:37,348 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [492200933] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:12:37,348 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:12:37,348 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 32, 23] total 96 [2023-05-20 14:12:37,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239850016] [2023-05-20 14:12:37,348 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:12:37,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2023-05-20 14:12:37,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:12:37,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2023-05-20 14:12:37,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=481, Invalid=8631, Unknown=8, NotChecked=0, Total=9120 [2023-05-20 14:12:37,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:12:37,351 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:12:37,352 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 96 states have (on average 5.479166666666667) internal successors, (526), 96 states have internal predecessors, (526), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:12:37,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:12:37,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:12:37,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:12:37,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:12:37,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:12:37,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-20 14:12:37,352 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:12:44,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:12:44,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:12:44,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:12:44,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:12:44,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:12:44,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-20 14:12:44,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-05-20 14:12:44,549 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-20 14:12:44,733 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:12:44,734 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 2 more)] === [2023-05-20 14:12:44,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:12:44,734 INFO L85 PathProgramCache]: Analyzing trace with hash 593779409, now seen corresponding path program 6 times [2023-05-20 14:12:44,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:12:44,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1093762013] [2023-05-20 14:12:44,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:12:44,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:12:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:12:45,142 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2023-05-20 14:12:45,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:12:45,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1093762013] [2023-05-20 14:12:45,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1093762013] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 14:12:45,142 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 14:12:45,142 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-05-20 14:12:45,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74462450] [2023-05-20 14:12:45,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 14:12:45,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-05-20 14:12:45,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:12:45,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-05-20 14:12:45,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2023-05-20 14:12:45,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:12:45,143 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:12:45,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 18.88888888888889) internal successors, (170), 9 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:12:45,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:12:45,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:12:45,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:12:45,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:12:45,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:12:45,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-20 14:12:45,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-05-20 14:12:45,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:12:45,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:12:45,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:12:45,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:12:45,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:12:45,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:12:45,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2023-05-20 14:12:45,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-05-20 14:12:45,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-05-20 14:12:45,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-05-20 14:12:45,424 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 2 more)] === [2023-05-20 14:12:45,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:12:45,424 INFO L85 PathProgramCache]: Analyzing trace with hash -2040564175, now seen corresponding path program 7 times [2023-05-20 14:12:45,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:12:45,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568911261] [2023-05-20 14:12:45,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:12:45,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:12:45,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:12:45,829 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 42 proven. 13 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2023-05-20 14:12:45,830 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:12:45,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568911261] [2023-05-20 14:12:45,830 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568911261] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:12:45,830 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1807763185] [2023-05-20 14:12:45,830 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-20 14:12:45,830 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:12:45,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:12:45,831 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 14:12:45,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-20 14:12:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:12:46,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 782 conjuncts, 31 conjunts are in the unsatisfiable core [2023-05-20 14:12:46,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:12:46,598 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 69 proven. 150 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 14:12:46,598 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:12:47,152 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 108 proven. 111 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 14:12:47,152 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1807763185] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:12:47,152 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:12:47,152 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 26, 26] total 57 [2023-05-20 14:12:47,152 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [705199724] [2023-05-20 14:12:47,152 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:12:47,153 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2023-05-20 14:12:47,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:12:47,153 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2023-05-20 14:12:47,154 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=489, Invalid=2703, Unknown=0, NotChecked=0, Total=3192 [2023-05-20 14:12:47,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:12:47,154 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:12:47,155 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 8.824561403508772) internal successors, (503), 57 states have internal predecessors, (503), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:12:47,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:12:47,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:12:47,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:12:47,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:12:47,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:12:47,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2023-05-20 14:12:47,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2023-05-20 14:12:47,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2023-05-20 14:12:47,155 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:12:57,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:12:57,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:12:57,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:12:57,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:12:57,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:12:57,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-20 14:12:57,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-05-20 14:12:57,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:12:57,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-20 14:12:57,192 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-05-20 14:12:57,373 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:12:57,374 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 2 more)] === [2023-05-20 14:12:57,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:12:57,374 INFO L85 PathProgramCache]: Analyzing trace with hash 514961622, now seen corresponding path program 1 times [2023-05-20 14:12:57,374 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:12:57,374 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955183707] [2023-05-20 14:12:57,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:12:57,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:12:57,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:12:57,936 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 80 proven. 102 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 14:12:57,937 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:12:57,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1955183707] [2023-05-20 14:12:57,937 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1955183707] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:12:57,937 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [459579894] [2023-05-20 14:12:57,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:12:57,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:12:57,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:12:57,938 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 14:12:57,973 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-20 14:12:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:12:58,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 640 conjuncts, 57 conjunts are in the unsatisfiable core [2023-05-20 14:12:58,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:12:58,942 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 0 proven. 184 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:12:58,942 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:13:00,079 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 154 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:13:00,079 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [459579894] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:13:00,079 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:13:00,080 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 29, 29] total 75 [2023-05-20 14:13:00,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116810291] [2023-05-20 14:13:00,080 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:13:00,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 75 states [2023-05-20 14:13:00,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:13:00,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2023-05-20 14:13:00,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=810, Invalid=4740, Unknown=0, NotChecked=0, Total=5550 [2023-05-20 14:13:00,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:00,082 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:13:00,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 75 states, 75 states have (on average 7.04) internal successors, (528), 75 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:13:00,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:00,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:13:00,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:13:00,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:13:00,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:13:00,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-05-20 14:13:00,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2023-05-20 14:13:00,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:13:00,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-20 14:13:00,083 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:04,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:04,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:13:04,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:13:04,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:13:04,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:13:04,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-20 14:13:04,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-05-20 14:13:04,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:13:04,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-20 14:13:04,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2023-05-20 14:13:04,873 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-20 14:13:05,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-05-20 14:13:05,085 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 2 more)] === [2023-05-20 14:13:05,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:13:05,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1348281900, now seen corresponding path program 2 times [2023-05-20 14:13:05,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:13:05,099 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020915596] [2023-05-20 14:13:05,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:13:05,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:13:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:13:09,722 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2023-05-20 14:13:09,722 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:13:09,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020915596] [2023-05-20 14:13:09,722 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020915596] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:13:09,722 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520340519] [2023-05-20 14:13:09,722 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 14:13:09,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:13:09,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:13:09,723 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 14:13:09,725 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-20 14:13:09,899 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 14:13:09,899 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 14:13:09,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 245 conjunts are in the unsatisfiable core [2023-05-20 14:13:09,908 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:13:10,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:13:10,706 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-20 14:13:10,800 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 14:13:10,801 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 27 treesize of output 14 [2023-05-20 14:13:12,057 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 14:13:12,057 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 12 [2023-05-20 14:13:12,215 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 0 proven. 284 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 14:13:12,215 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:13:12,844 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 27 [2023-05-20 14:13:13,521 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 259 trivial. 0 not checked. [2023-05-20 14:13:13,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520340519] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:13:13,522 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:13:13,522 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 50, 19] total 97 [2023-05-20 14:13:13,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1589026230] [2023-05-20 14:13:13,522 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:13:13,523 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2023-05-20 14:13:13,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:13:13,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2023-05-20 14:13:13,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=525, Invalid=8784, Unknown=3, NotChecked=0, Total=9312 [2023-05-20 14:13:13,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:13,526 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:13:13,526 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 5.443298969072165) internal successors, (528), 97 states have internal predecessors, (528), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:13:13,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:13,526 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:13:13,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:13:13,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:13:13,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:13:13,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-05-20 14:13:13,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2023-05-20 14:13:13,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:13:13,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-20 14:13:13,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 97 states. [2023-05-20 14:13:13,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:29,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:29,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:13:29,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:13:29,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:13:29,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:13:29,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-20 14:13:29,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-05-20 14:13:29,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:13:29,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-20 14:13:29,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-05-20 14:13:29,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2023-05-20 14:13:29,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-20 14:13:30,053 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:13:30,053 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 2 more)] === [2023-05-20 14:13:30,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:13:30,054 INFO L85 PathProgramCache]: Analyzing trace with hash 519217050, now seen corresponding path program 1 times [2023-05-20 14:13:30,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:13:30,054 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681281610] [2023-05-20 14:13:30,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:13:30,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:13:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:13:34,892 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 0 proven. 206 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-05-20 14:13:34,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:13:34,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681281610] [2023-05-20 14:13:34,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681281610] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:13:34,892 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [930666236] [2023-05-20 14:13:34,892 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:13:34,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:13:34,892 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:13:34,893 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 14:13:34,894 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-20 14:13:35,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:13:35,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 826 conjuncts, 239 conjunts are in the unsatisfiable core [2023-05-20 14:13:35,102 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:13:35,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:13:35,803 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-20 14:13:35,876 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 14:13:35,876 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2023-05-20 14:13:36,589 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 14:13:36,590 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 19 [2023-05-20 14:13:36,752 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 14:13:36,752 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 11 [2023-05-20 14:13:36,835 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 14:13:36,836 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 11 [2023-05-20 14:13:36,898 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 14:13:36,898 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 11 [2023-05-20 14:13:36,944 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 14:13:36,944 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 11 [2023-05-20 14:13:36,988 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 14:13:36,988 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 11 [2023-05-20 14:13:37,033 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 14:13:37,034 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 11 [2023-05-20 14:13:37,078 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 14:13:37,078 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 11 [2023-05-20 14:13:37,122 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 14:13:37,122 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 11 [2023-05-20 14:13:37,170 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 14:13:37,170 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 11 [2023-05-20 14:13:37,252 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 14:13:37,252 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 11 [2023-05-20 14:13:37,297 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 14:13:37,297 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 11 [2023-05-20 14:13:37,341 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 14:13:37,342 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 11 [2023-05-20 14:13:37,386 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 14:13:37,388 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 11 [2023-05-20 14:13:37,444 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 14:13:37,445 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 11 [2023-05-20 14:13:37,488 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 14:13:37,491 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 11 [2023-05-20 14:13:37,537 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 14:13:37,539 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 11 [2023-05-20 14:13:37,588 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 14:13:37,589 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 11 [2023-05-20 14:13:37,640 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 14:13:37,640 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 32 treesize of output 29 [2023-05-20 14:13:37,655 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 43 proven. 48 refuted. 0 times theorem prover too weak. 175 trivial. 0 not checked. [2023-05-20 14:13:37,656 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:13:39,270 INFO L356 Elim1Store]: treesize reduction 10, result has 28.6 percent of original size [2023-05-20 14:13:39,270 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 13 [2023-05-20 14:13:39,577 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 27 [2023-05-20 14:13:41,135 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 0 proven. 261 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-05-20 14:13:41,136 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [930666236] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:13:41,136 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:13:41,136 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 30, 51] total 110 [2023-05-20 14:13:41,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657062252] [2023-05-20 14:13:41,136 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:13:41,136 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 110 states [2023-05-20 14:13:41,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:13:41,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2023-05-20 14:13:41,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=678, Invalid=11309, Unknown=3, NotChecked=0, Total=11990 [2023-05-20 14:13:41,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:41,140 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:13:41,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 110 states, 110 states have (on average 5.081818181818182) internal successors, (559), 110 states have internal predecessors, (559), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:13:41,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:41,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:13:41,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:13:41,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:13:41,140 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:13:41,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-05-20 14:13:41,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2023-05-20 14:13:41,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:13:41,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-20 14:13:41,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-05-20 14:13:41,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2023-05-20 14:13:41,141 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:52,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:52,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:13:52,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:13:52,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:13:52,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:13:52,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-20 14:13:52,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-05-20 14:13:52,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:13:52,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-20 14:13:52,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-05-20 14:13:52,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-05-20 14:13:52,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2023-05-20 14:13:52,622 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-05-20 14:13:52,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-05-20 14:13:52,821 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 2 more)] === [2023-05-20 14:13:52,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:13:52,821 INFO L85 PathProgramCache]: Analyzing trace with hash -16499974, now seen corresponding path program 2 times [2023-05-20 14:13:52,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:13:52,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1989649287] [2023-05-20 14:13:52,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:13:52,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:13:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:13:53,161 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 47 proven. 14 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2023-05-20 14:13:53,161 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:13:53,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1989649287] [2023-05-20 14:13:53,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1989649287] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:13:53,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [507264250] [2023-05-20 14:13:53,161 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 14:13:53,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:13:53,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:13:53,174 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 14:13:53,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-20 14:13:53,328 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 14:13:53,328 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 14:13:53,331 INFO L263 TraceCheckSpWp]: Trace formula consists of 733 conjuncts, 19 conjunts are in the unsatisfiable core [2023-05-20 14:13:53,333 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:13:53,688 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 28 proven. 45 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2023-05-20 14:13:53,688 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:13:53,841 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2023-05-20 14:13:53,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [507264250] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:13:53,841 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:13:53,841 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 16, 11] total 28 [2023-05-20 14:13:53,841 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587220867] [2023-05-20 14:13:53,841 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:13:53,842 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2023-05-20 14:13:53,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:13:53,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2023-05-20 14:13:53,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=214, Invalid=542, Unknown=0, NotChecked=0, Total=756 [2023-05-20 14:13:53,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:53,842 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:13:53,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 12.928571428571429) internal successors, (362), 28 states have internal predecessors, (362), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:13:53,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:53,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:13:53,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:13:53,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:13:53,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:13:53,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-05-20 14:13:53,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2023-05-20 14:13:53,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:13:53,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-20 14:13:53,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-05-20 14:13:53,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2023-05-20 14:13:53,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2023-05-20 14:13:53,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:55,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:13:55,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:13:55,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:13:55,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:13:55,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:13:55,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-20 14:13:55,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-05-20 14:13:55,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:13:55,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-20 14:13:55,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-05-20 14:13:55,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-05-20 14:13:55,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2023-05-20 14:13:55,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2023-05-20 14:13:55,884 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-05-20 14:13:56,069 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-05-20 14:13:56,069 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 2 more)] === [2023-05-20 14:13:56,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:13:56,069 INFO L85 PathProgramCache]: Analyzing trace with hash 1486826570, now seen corresponding path program 3 times [2023-05-20 14:13:56,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:13:56,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [364666869] [2023-05-20 14:13:56,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:13:56,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:13:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:13:56,772 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 80 proven. 148 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:13:56,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:13:56,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [364666869] [2023-05-20 14:13:56,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [364666869] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:13:56,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051367206] [2023-05-20 14:13:56,773 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 14:13:56,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:13:56,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:13:56,774 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 14:13:56,776 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-20 14:13:57,021 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-05-20 14:13:57,021 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 14:13:57,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 738 conjuncts, 195 conjunts are in the unsatisfiable core [2023-05-20 14:13:57,031 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:13:57,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:13:57,568 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-20 14:13:57,680 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 14:13:57,682 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 14:13:57,682 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 27 treesize of output 14 [2023-05-20 14:13:58,659 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 14:13:58,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:13:58,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:13:58,661 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 14:13:58,664 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 14:13:58,664 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 38 treesize of output 20 [2023-05-20 14:13:58,860 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 74 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2023-05-20 14:13:58,861 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:13:59,798 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 27 [2023-05-20 14:14:00,270 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2023-05-20 14:14:00,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1051367206] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:14:00,270 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:14:00,270 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 34, 25] total 79 [2023-05-20 14:14:00,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523894441] [2023-05-20 14:14:00,270 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:14:00,271 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 79 states [2023-05-20 14:14:00,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:14:00,271 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2023-05-20 14:14:00,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=439, Invalid=5721, Unknown=2, NotChecked=0, Total=6162 [2023-05-20 14:14:00,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:14:00,273 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:14:00,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 79 states, 79 states have (on average 7.151898734177215) internal successors, (565), 79 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:14:00,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:14:00,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:14:00,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:14:00,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:14:00,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:14:00,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-05-20 14:14:00,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2023-05-20 14:14:00,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:14:00,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-20 14:14:00,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-05-20 14:14:00,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2023-05-20 14:14:00,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2023-05-20 14:14:00,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2023-05-20 14:14:00,274 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:14:32,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:14:32,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:14:32,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:14:32,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:14:32,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:14:32,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-20 14:14:32,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-05-20 14:14:32,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:14:32,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-20 14:14:32,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-05-20 14:14:32,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-05-20 14:14:32,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-20 14:14:32,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2023-05-20 14:14:32,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 289 states. [2023-05-20 14:14:32,603 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-05-20 14:14:32,787 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-05-20 14:14:32,787 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 2 more)] === [2023-05-20 14:14:32,787 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:14:32,787 INFO L85 PathProgramCache]: Analyzing trace with hash -1616968258, now seen corresponding path program 4 times [2023-05-20 14:14:32,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:14:32,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753188956] [2023-05-20 14:14:32,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:14:32,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:14:32,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:14:33,577 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 182 proven. 154 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-20 14:14:33,577 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:14:33,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753188956] [2023-05-20 14:14:33,577 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753188956] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:14:33,577 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [364367496] [2023-05-20 14:14:33,577 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 14:14:33,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:14:33,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:14:33,579 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 14:14:33,579 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-05-20 14:14:33,729 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 14:14:33,729 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 14:14:33,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 524 conjuncts, 34 conjunts are in the unsatisfiable core [2023-05-20 14:14:33,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:14:34,568 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 159 proven. 177 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-20 14:14:34,568 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:14:35,160 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 182 proven. 154 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-05-20 14:14:35,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [364367496] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:14:35,161 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:14:35,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 29, 29] total 72 [2023-05-20 14:14:35,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302797158] [2023-05-20 14:14:35,161 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:14:35,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 72 states [2023-05-20 14:14:35,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:14:35,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2023-05-20 14:14:35,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=834, Invalid=4278, Unknown=0, NotChecked=0, Total=5112 [2023-05-20 14:14:35,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:14:35,163 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:14:35,164 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 72 states, 72 states have (on average 6.583333333333333) internal successors, (474), 72 states have internal predecessors, (474), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:14:35,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:14:35,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:14:35,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:14:35,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:14:35,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:14:35,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-05-20 14:14:35,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2023-05-20 14:14:35,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:14:35,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-20 14:14:35,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-05-20 14:14:35,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2023-05-20 14:14:35,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-20 14:14:35,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2023-05-20 14:14:35,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 289 states. [2023-05-20 14:14:35,164 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:14:36,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:14:36,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:14:36,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:14:36,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:14:36,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:14:36,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-20 14:14:36,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-05-20 14:14:36,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:14:36,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-20 14:14:36,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-05-20 14:14:36,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-05-20 14:14:36,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-20 14:14:36,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2023-05-20 14:14:36,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 289 states. [2023-05-20 14:14:36,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-20 14:14:36,485 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-05-20 14:14:36,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-05-20 14:14:36,668 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 2 more)] === [2023-05-20 14:14:36,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:14:36,668 INFO L85 PathProgramCache]: Analyzing trace with hash -885799499, now seen corresponding path program 5 times [2023-05-20 14:14:36,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:14:36,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168954698] [2023-05-20 14:14:36,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:14:36,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:14:36,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:14:37,709 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 190 proven. 204 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 14:14:37,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:14:37,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168954698] [2023-05-20 14:14:37,709 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168954698] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:14:37,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [128346936] [2023-05-20 14:14:37,709 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 14:14:37,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:14:37,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:14:37,711 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 14:14:37,711 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-05-20 14:14:38,043 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2023-05-20 14:14:38,044 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 14:14:38,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 963 conjuncts, 38 conjunts are in the unsatisfiable core [2023-05-20 14:14:38,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:14:39,008 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 170 proven. 226 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:14:39,008 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:14:39,994 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 171 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:14:39,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [128346936] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:14:39,994 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:14:39,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 35, 35] total 92 [2023-05-20 14:14:39,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914587618] [2023-05-20 14:14:39,995 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:14:39,995 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 92 states [2023-05-20 14:14:39,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:14:39,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2023-05-20 14:14:39,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1093, Invalid=7279, Unknown=0, NotChecked=0, Total=8372 [2023-05-20 14:14:39,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:14:39,997 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:14:39,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 92 states, 92 states have (on average 7.108695652173913) internal successors, (654), 92 states have internal predecessors, (654), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:14:39,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:14:39,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:14:39,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:14:39,997 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:14:39,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:14:39,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-05-20 14:14:39,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2023-05-20 14:14:39,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:14:39,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-20 14:14:39,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-05-20 14:14:39,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2023-05-20 14:14:39,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-20 14:14:39,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2023-05-20 14:14:39,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 289 states. [2023-05-20 14:14:39,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-20 14:14:39,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:14:41,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:14:41,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:14:41,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:14:41,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:14:41,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:14:41,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-20 14:14:41,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-05-20 14:14:41,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:14:41,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-20 14:14:41,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-05-20 14:14:41,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-05-20 14:14:41,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-20 14:14:41,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2023-05-20 14:14:41,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 289 states. [2023-05-20 14:14:41,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-20 14:14:41,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-20 14:14:41,655 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-05-20 14:14:41,846 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:14:41,847 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 14:14:41,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:14:41,847 INFO L85 PathProgramCache]: Analyzing trace with hash 1809609182, now seen corresponding path program 6 times [2023-05-20 14:14:41,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:14:41,848 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120026117] [2023-05-20 14:14:41,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:14:41,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:14:42,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:14:50,534 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 0 proven. 373 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2023-05-20 14:14:50,535 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:14:50,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120026117] [2023-05-20 14:14:50,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120026117] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:14:50,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963897335] [2023-05-20 14:14:50,535 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-20 14:14:50,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:14:50,535 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:14:50,545 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 14:14:50,561 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-05-20 14:14:51,325 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2023-05-20 14:14:51,326 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 14:14:51,334 INFO L263 TraceCheckSpWp]: Trace formula consists of 976 conjuncts, 321 conjunts are in the unsatisfiable core [2023-05-20 14:14:51,339 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:14:52,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:14:52,900 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-20 14:14:53,076 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 14:14:53,078 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 14:14:53,078 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 27 treesize of output 14 [2023-05-20 14:14:55,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:14:55,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:14:55,350 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 14:14:55,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:14:55,351 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 14:14:55,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:14:55,351 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 14:14:55,355 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 14:14:55,355 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 54 treesize of output 23 [2023-05-20 14:14:55,519 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 0 proven. 451 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 14:14:55,519 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:14:56,748 INFO L356 Elim1Store]: treesize reduction 44, result has 17.0 percent of original size [2023-05-20 14:14:56,749 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 46 treesize of output 19 [2023-05-20 14:14:57,037 INFO L356 Elim1Store]: treesize reduction 44, result has 17.0 percent of original size [2023-05-20 14:14:57,037 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 94 treesize of output 57 [2023-05-20 14:14:57,619 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 0 proven. 107 refuted. 0 times theorem prover too weak. 346 trivial. 0 not checked. [2023-05-20 14:14:57,619 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1963897335] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:14:57,619 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:14:57,619 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 62, 28] total 135 [2023-05-20 14:14:57,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [464658636] [2023-05-20 14:14:57,620 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:14:57,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 135 states [2023-05-20 14:14:57,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:14:57,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2023-05-20 14:14:57,622 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1138, Invalid=16951, Unknown=1, NotChecked=0, Total=18090 [2023-05-20 14:14:57,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:14:57,623 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:14:57,623 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 135 states, 135 states have (on average 4.874074074074074) internal successors, (658), 135 states have internal predecessors, (658), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:14:57,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:14:57,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:14:57,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:14:57,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:14:57,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:14:57,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-05-20 14:14:57,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2023-05-20 14:14:57,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:14:57,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-20 14:14:57,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-05-20 14:14:57,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2023-05-20 14:14:57,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-20 14:14:57,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2023-05-20 14:14:57,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 289 states. [2023-05-20 14:14:57,623 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-20 14:14:57,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-20 14:14:57,624 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:15:30,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:15:30,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:15:30,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:15:30,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:15:30,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:15:30,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-20 14:15:30,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-05-20 14:15:30,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:15:30,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-20 14:15:30,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-05-20 14:15:30,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-05-20 14:15:30,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2023-05-20 14:15:30,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2023-05-20 14:15:30,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 295 states. [2023-05-20 14:15:30,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-20 14:15:30,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-20 14:15:30,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2023-05-20 14:15:30,880 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2023-05-20 14:15:31,062 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-05-20 14:15:31,062 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 14:15:31,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:15:31,063 INFO L85 PathProgramCache]: Analyzing trace with hash 605035392, now seen corresponding path program 7 times [2023-05-20 14:15:31,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:15:31,063 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1846143376] [2023-05-20 14:15:31,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:15:31,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:15:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:15:31,991 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 161 proven. 200 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:15:31,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:15:31,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1846143376] [2023-05-20 14:15:31,991 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1846143376] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:15:31,991 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [914902939] [2023-05-20 14:15:31,991 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-20 14:15:31,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:15:31,991 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:15:31,992 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 14:15:31,993 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-05-20 14:15:32,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:15:32,186 INFO L263 TraceCheckSpWp]: Trace formula consists of 852 conjuncts, 77 conjunts are in the unsatisfiable core [2023-05-20 14:15:32,189 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:15:33,199 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 0 proven. 361 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:15:33,199 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:15:34,676 INFO L134 CoverageAnalysis]: Checked inductivity of 361 backedges. 261 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:15:34,676 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [914902939] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:15:34,676 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:15:34,676 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 39, 39] total 102 [2023-05-20 14:15:34,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060040934] [2023-05-20 14:15:34,676 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:15:34,677 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 102 states [2023-05-20 14:15:34,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:15:34,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2023-05-20 14:15:34,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1381, Invalid=8921, Unknown=0, NotChecked=0, Total=10302 [2023-05-20 14:15:34,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:15:34,679 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:15:34,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 102 states, 102 states have (on average 6.303921568627451) internal successors, (643), 102 states have internal predecessors, (643), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:15:34,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:15:34,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:15:34,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:15:34,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:15:34,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:15:34,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-05-20 14:15:34,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2023-05-20 14:15:34,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:15:34,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-20 14:15:34,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-05-20 14:15:34,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2023-05-20 14:15:34,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2023-05-20 14:15:34,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2023-05-20 14:15:34,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 295 states. [2023-05-20 14:15:34,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-20 14:15:34,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-20 14:15:34,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2023-05-20 14:15:34,680 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:15:45,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:15:45,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:15:45,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:15:45,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:15:45,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:15:45,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-20 14:15:45,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-05-20 14:15:45,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:15:45,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-20 14:15:45,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-05-20 14:15:45,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-05-20 14:15:45,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2023-05-20 14:15:45,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2023-05-20 14:15:45,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 296 states. [2023-05-20 14:15:45,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-20 14:15:45,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-20 14:15:45,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2023-05-20 14:15:45,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2023-05-20 14:15:45,265 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-05-20 14:15:45,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-05-20 14:15:45,453 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 14:15:45,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:15:45,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1686685284, now seen corresponding path program 8 times [2023-05-20 14:15:45,453 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:15:45,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916964265] [2023-05-20 14:15:45,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:15:45,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:15:45,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:15:54,439 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 0 proven. 292 refuted. 0 times theorem prover too weak. 161 trivial. 0 not checked. [2023-05-20 14:15:54,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:15:54,439 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916964265] [2023-05-20 14:15:54,440 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916964265] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:15:54,440 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675850503] [2023-05-20 14:15:54,440 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 14:15:54,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:15:54,440 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:15:54,441 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 14:15:54,442 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-05-20 14:15:54,715 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 14:15:54,716 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 14:15:54,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 976 conjuncts, 325 conjunts are in the unsatisfiable core [2023-05-20 14:15:54,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:15:56,789 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-05-20 14:15:57,375 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 14:15:57,509 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 14:15:57,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:15:57,702 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-20 14:15:57,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:15:57,987 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 [2023-05-20 14:16:02,110 INFO L356 Elim1Store]: treesize reduction 311, result has 3.1 percent of original size [2023-05-20 14:16:02,110 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 131 treesize of output 34 [2023-05-20 14:16:02,275 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 0 proven. 453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:16:02,275 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:16:05,181 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1049 (Array Int Int)) (v_ArrVal_1048 (Array Int Int)) (v_ArrVal_1047 (Array Int Int))) (let ((.cse0 (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_1047) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_1048)) (.cse1 (+ |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset| 4))) (= (select (select (store .cse0 |c_ULTIMATE.start_main_~#t3~0#1.base| v_ArrVal_1049) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) .cse1) (select (select .cse0 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) .cse1)))) is different from false [2023-05-20 14:16:05,356 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 14:16:05,357 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 43 [2023-05-20 14:16:05,359 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 610 treesize of output 550 [2023-05-20 14:16:05,374 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 522 treesize of output 458 [2023-05-20 14:16:05,379 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 458 treesize of output 394 [2023-05-20 14:16:05,383 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 394 treesize of output 354 [2023-05-20 14:16:05,826 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 41 proven. 150 refuted. 0 times theorem prover too weak. 262 trivial. 0 not checked. [2023-05-20 14:16:05,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675850503] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:16:05,826 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:16:05,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [55, 69, 35] total 151 [2023-05-20 14:16:05,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965420984] [2023-05-20 14:16:05,826 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:16:05,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 151 states [2023-05-20 14:16:05,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:16:05,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2023-05-20 14:16:05,831 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1297, Invalid=20879, Unknown=178, NotChecked=296, Total=22650 [2023-05-20 14:16:05,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:16:05,831 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:16:05,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 151 states, 151 states have (on average 4.3907284768211925) internal successors, (663), 151 states have internal predecessors, (663), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:16:05,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:16:05,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:16:05,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:16:05,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:16:05,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:16:05,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-05-20 14:16:05,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2023-05-20 14:16:05,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:16:05,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-20 14:16:05,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-05-20 14:16:05,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2023-05-20 14:16:05,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2023-05-20 14:16:05,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2023-05-20 14:16:05,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 296 states. [2023-05-20 14:16:05,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-20 14:16:05,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-20 14:16:05,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2023-05-20 14:16:05,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2023-05-20 14:16:05,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:18:45,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:18:45,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:18:45,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:18:45,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:18:45,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:18:45,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-20 14:18:45,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-05-20 14:18:45,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:18:45,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-20 14:18:45,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-05-20 14:18:45,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-05-20 14:18:45,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2023-05-20 14:18:45,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2023-05-20 14:18:45,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 296 states. [2023-05-20 14:18:45,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-20 14:18:45,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-20 14:18:45,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2023-05-20 14:18:45,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2023-05-20 14:18:45,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 280 states. [2023-05-20 14:18:45,777 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-05-20 14:18:45,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:18:45,977 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 14:18:45,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:18:45,977 INFO L85 PathProgramCache]: Analyzing trace with hash -904493494, now seen corresponding path program 9 times [2023-05-20 14:18:45,977 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:18:45,977 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [645899364] [2023-05-20 14:18:45,977 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:18:45,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:18:46,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:18:47,217 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 234 proven. 261 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:18:47,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:18:47,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [645899364] [2023-05-20 14:18:47,218 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [645899364] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:18:47,218 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1676098171] [2023-05-20 14:18:47,218 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 14:18:47,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:18:47,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:18:47,219 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 14:18:47,221 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-05-20 14:18:47,581 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2023-05-20 14:18:47,582 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 14:18:47,588 INFO L263 TraceCheckSpWp]: Trace formula consists of 1012 conjuncts, 337 conjunts are in the unsatisfiable core [2023-05-20 14:18:47,593 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:18:48,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:18:48,371 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-20 14:18:48,487 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 14:18:48,488 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 14:18:48,489 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 27 treesize of output 14 [2023-05-20 14:18:51,092 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 14:18:51,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:18:51,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:18:51,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:18:51,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:18:51,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:18:51,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:18:51,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:18:51,096 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 14:18:51,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:18:51,097 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 14:18:51,097 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 14:18:51,101 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 14:18:51,101 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 64 treesize of output 28 [2023-05-20 14:18:51,235 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2023-05-20 14:18:51,235 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:18:53,679 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 27 [2023-05-20 14:18:54,487 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 182 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2023-05-20 14:18:54,487 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1676098171] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:18:54,488 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:18:54,488 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 50, 35] total 115 [2023-05-20 14:18:54,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440790409] [2023-05-20 14:18:54,488 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:18:54,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2023-05-20 14:18:54,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:18:54,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2023-05-20 14:18:54,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1152, Invalid=11955, Unknown=3, NotChecked=0, Total=13110 [2023-05-20 14:18:54,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:18:54,490 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:18:54,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 5.773913043478261) internal successors, (664), 115 states have internal predecessors, (664), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:18:54,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:18:54,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:18:54,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:18:54,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:18:54,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:18:54,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-05-20 14:18:54,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2023-05-20 14:18:54,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:18:54,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-20 14:18:54,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-05-20 14:18:54,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2023-05-20 14:18:54,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2023-05-20 14:18:54,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2023-05-20 14:18:54,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 296 states. [2023-05-20 14:18:54,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-20 14:18:54,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-20 14:18:54,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 175 states. [2023-05-20 14:18:54,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 203 states. [2023-05-20 14:18:54,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 280 states. [2023-05-20 14:18:54,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:19:39,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:19:39,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:19:39,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:19:39,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:19:39,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:19:39,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-20 14:19:39,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-05-20 14:19:39,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:19:39,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-20 14:19:39,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-05-20 14:19:39,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-05-20 14:19:39,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2023-05-20 14:19:39,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2023-05-20 14:19:39,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 296 states. [2023-05-20 14:19:39,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-20 14:19:39,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-20 14:19:39,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2023-05-20 14:19:39,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 205 states. [2023-05-20 14:19:39,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 291 states. [2023-05-20 14:19:39,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2023-05-20 14:19:39,211 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2023-05-20 14:19:39,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:19:39,411 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 14:19:39,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:19:39,411 INFO L85 PathProgramCache]: Analyzing trace with hash 22018495, now seen corresponding path program 10 times [2023-05-20 14:19:39,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:19:39,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998657489] [2023-05-20 14:19:39,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:19:39,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:19:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:19:40,421 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 212 proven. 293 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:19:40,422 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:19:40,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998657489] [2023-05-20 14:19:40,422 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998657489] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:19:40,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [227843278] [2023-05-20 14:19:40,422 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 14:19:40,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:19:40,422 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:19:40,423 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 14:19:40,425 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-05-20 14:19:40,605 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 14:19:40,605 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 14:19:40,607 INFO L263 TraceCheckSpWp]: Trace formula consists of 557 conjuncts, 40 conjunts are in the unsatisfiable core [2023-05-20 14:19:40,610 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:19:41,706 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 261 proven. 244 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:19:41,706 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:19:42,818 INFO L134 CoverageAnalysis]: Checked inductivity of 505 backedges. 325 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:19:42,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [227843278] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:19:42,818 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:19:42,818 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 37, 37] total 91 [2023-05-20 14:19:42,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976450237] [2023-05-20 14:19:42,818 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:19:42,819 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 91 states [2023-05-20 14:19:42,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:19:42,819 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2023-05-20 14:19:42,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1146, Invalid=7044, Unknown=0, NotChecked=0, Total=8190 [2023-05-20 14:19:42,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:19:42,821 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:19:42,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 91 states, 91 states have (on average 6.34065934065934) internal successors, (577), 91 states have internal predecessors, (577), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:19:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:19:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:19:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:19:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:19:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:19:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-05-20 14:19:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2023-05-20 14:19:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:19:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-20 14:19:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-05-20 14:19:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2023-05-20 14:19:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2023-05-20 14:19:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2023-05-20 14:19:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 296 states. [2023-05-20 14:19:42,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-20 14:19:42,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-20 14:19:42,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2023-05-20 14:19:42,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 205 states. [2023-05-20 14:19:42,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 291 states. [2023-05-20 14:19:42,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2023-05-20 14:19:42,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:19:47,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:19:47,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:19:47,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:19:47,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:19:47,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:19:47,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-20 14:19:47,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-05-20 14:19:47,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:19:47,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-20 14:19:47,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-05-20 14:19:47,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-05-20 14:19:47,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2023-05-20 14:19:47,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2023-05-20 14:19:47,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 296 states. [2023-05-20 14:19:47,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-20 14:19:47,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-20 14:19:47,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2023-05-20 14:19:47,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 208 states. [2023-05-20 14:19:47,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 291 states. [2023-05-20 14:19:47,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 234 states. [2023-05-20 14:19:47,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-20 14:19:47,431 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-05-20 14:19:47,630 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:19:47,630 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 14:19:47,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:19:47,631 INFO L85 PathProgramCache]: Analyzing trace with hash -794297295, now seen corresponding path program 11 times [2023-05-20 14:19:47,631 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:19:47,631 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176311692] [2023-05-20 14:19:47,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:19:47,631 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:19:47,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:19:56,963 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 0 proven. 539 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-05-20 14:19:56,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:19:56,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176311692] [2023-05-20 14:19:56,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176311692] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:19:56,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1701516912] [2023-05-20 14:19:56,963 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 14:19:56,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:19:56,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:19:56,965 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 14:19:56,966 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2023-05-20 14:19:57,461 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2023-05-20 14:19:57,461 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 14:19:57,469 INFO L263 TraceCheckSpWp]: Trace formula consists of 1051 conjuncts, 358 conjunts are in the unsatisfiable core [2023-05-20 14:19:57,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:19:59,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:19:59,775 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-20 14:19:59,928 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 14:19:59,929 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 21 [2023-05-20 14:20:04,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:20:04,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:20:04,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:20:04,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:20:04,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:20:04,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:20:04,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:20:04,649 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 14:20:04,650 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 16 select indices, 16 select index equivalence classes, 28 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 120 case distinctions, treesize of input 127 treesize of output 701 [2023-05-20 14:20:10,003 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 0 proven. 559 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:20:10,003 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:20:14,976 INFO L356 Elim1Store]: treesize reduction 8, result has 33.3 percent of original size [2023-05-20 14:20:14,976 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 13 [2023-05-20 14:20:15,497 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 27 [2023-05-20 14:20:19,176 INFO L134 CoverageAnalysis]: Checked inductivity of 559 backedges. 325 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:20:19,176 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1701516912] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:20:19,176 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:20:19,176 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [60, 72, 72] total 195 [2023-05-20 14:20:19,176 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076895605] [2023-05-20 14:20:19,176 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:20:19,177 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 195 states [2023-05-20 14:20:19,177 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:20:19,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 195 interpolants. [2023-05-20 14:20:19,181 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2953, Invalid=34874, Unknown=3, NotChecked=0, Total=37830 [2023-05-20 14:20:19,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:20:19,181 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:20:19,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 195 states, 195 states have (on average 3.958974358974359) internal successors, (772), 195 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:20:19,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:20:19,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:20:19,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:20:19,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:20:19,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:20:19,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-05-20 14:20:19,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2023-05-20 14:20:19,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:20:19,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-20 14:20:19,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-05-20 14:20:19,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2023-05-20 14:20:19,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2023-05-20 14:20:19,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2023-05-20 14:20:19,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 296 states. [2023-05-20 14:20:19,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-20 14:20:19,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-20 14:20:19,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 180 states. [2023-05-20 14:20:19,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 208 states. [2023-05-20 14:20:19,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 291 states. [2023-05-20 14:20:19,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 234 states. [2023-05-20 14:20:19,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-05-20 14:20:19,182 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:24:20,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:24:20,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:24:20,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:24:20,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:24:20,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:24:20,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-20 14:24:20,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-05-20 14:24:20,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:24:20,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-20 14:24:20,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-05-20 14:24:20,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-05-20 14:24:20,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2023-05-20 14:24:20,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2023-05-20 14:24:20,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 296 states. [2023-05-20 14:24:20,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-20 14:24:20,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-20 14:24:20,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2023-05-20 14:24:20,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2023-05-20 14:24:20,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 293 states. [2023-05-20 14:24:20,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2023-05-20 14:24:20,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-20 14:24:20,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 589 states. [2023-05-20 14:24:20,045 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2023-05-20 14:24:20,245 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2023-05-20 14:24:20,245 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 14:24:20,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:24:20,245 INFO L85 PathProgramCache]: Analyzing trace with hash 384743049, now seen corresponding path program 12 times [2023-05-20 14:24:20,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:24:20,245 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348438879] [2023-05-20 14:24:20,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:24:20,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:24:20,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:24:21,602 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 332 proven. 325 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-20 14:24:21,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:24:21,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348438879] [2023-05-20 14:24:21,602 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [348438879] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:24:21,602 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375000249] [2023-05-20 14:24:21,603 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-20 14:24:21,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:24:21,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:24:21,604 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 14:24:21,605 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2023-05-20 14:24:22,510 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2023-05-20 14:24:22,510 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 14:24:22,516 INFO L263 TraceCheckSpWp]: Trace formula consists of 1175 conjuncts, 43 conjunts are in the unsatisfiable core [2023-05-20 14:24:22,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:24:23,377 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 283 proven. 358 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-05-20 14:24:23,377 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:24:24,303 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 316 proven. 325 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-05-20 14:24:24,303 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375000249] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:24:24,303 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:24:24,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 38, 38] total 97 [2023-05-20 14:24:24,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572268106] [2023-05-20 14:24:24,304 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:24:24,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 97 states [2023-05-20 14:24:24,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:24:24,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2023-05-20 14:24:24,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1468, Invalid=7844, Unknown=0, NotChecked=0, Total=9312 [2023-05-20 14:24:24,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:24:24,307 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:24:24,307 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 97 states, 97 states have (on average 5.958762886597938) internal successors, (578), 97 states have internal predecessors, (578), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:24:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:24:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:24:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:24:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:24:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:24:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-05-20 14:24:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2023-05-20 14:24:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:24:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-20 14:24:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-05-20 14:24:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2023-05-20 14:24:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2023-05-20 14:24:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2023-05-20 14:24:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 296 states. [2023-05-20 14:24:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-20 14:24:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-20 14:24:24,307 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2023-05-20 14:24:24,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2023-05-20 14:24:24,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 293 states. [2023-05-20 14:24:24,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 236 states. [2023-05-20 14:24:24,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-05-20 14:24:24,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 589 states. [2023-05-20 14:24:24,308 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:24:27,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:24:27,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:24:27,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:24:27,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:24:27,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:24:27,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-20 14:24:27,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-05-20 14:24:27,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:24:27,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-20 14:24:27,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-05-20 14:24:27,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-05-20 14:24:27,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2023-05-20 14:24:27,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2023-05-20 14:24:27,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 296 states. [2023-05-20 14:24:27,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-20 14:24:27,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-20 14:24:27,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2023-05-20 14:24:27,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2023-05-20 14:24:27,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 293 states. [2023-05-20 14:24:27,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2023-05-20 14:24:27,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-20 14:24:27,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 589 states. [2023-05-20 14:24:27,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-05-20 14:24:27,250 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2023-05-20 14:24:27,450 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2023-05-20 14:24:27,450 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 14:24:27,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:24:27,452 INFO L85 PathProgramCache]: Analyzing trace with hash -790758414, now seen corresponding path program 13 times [2023-05-20 14:24:27,452 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:24:27,452 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584893551] [2023-05-20 14:24:27,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:24:27,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:24:27,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:24:28,818 INFO L134 CoverageAnalysis]: Checked inductivity of 746 backedges. 350 proven. 396 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 14:24:28,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:24:28,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584893551] [2023-05-20 14:24:28,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [584893551] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:24:28,823 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048701706] [2023-05-20 14:24:28,823 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-20 14:24:28,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:24:28,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:24:28,825 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 14:24:28,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2023-05-20 14:24:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:24:29,087 INFO L263 TraceCheckSpWp]: Trace formula consists of 1188 conjuncts, 46 conjunts are in the unsatisfiable core [2023-05-20 14:24:29,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:24:30,388 INFO L134 CoverageAnalysis]: Checked inductivity of 746 backedges. 295 proven. 433 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-20 14:24:30,388 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:24:31,887 INFO L134 CoverageAnalysis]: Checked inductivity of 746 backedges. 332 proven. 396 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2023-05-20 14:24:31,887 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048701706] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:24:31,887 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:24:31,888 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 41, 41] total 115 [2023-05-20 14:24:31,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675648661] [2023-05-20 14:24:31,888 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:24:31,888 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2023-05-20 14:24:31,888 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:24:31,889 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2023-05-20 14:24:31,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1747, Invalid=11363, Unknown=0, NotChecked=0, Total=13110 [2023-05-20 14:24:31,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:24:31,891 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:24:31,891 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 6.356521739130435) internal successors, (731), 115 states have internal predecessors, (731), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:24:31,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:24:31,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:24:31,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:24:31,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:24:31,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:24:31,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-05-20 14:24:31,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2023-05-20 14:24:31,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:24:31,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-20 14:24:31,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-05-20 14:24:31,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2023-05-20 14:24:31,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2023-05-20 14:24:31,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2023-05-20 14:24:31,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 296 states. [2023-05-20 14:24:31,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-20 14:24:31,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-20 14:24:31,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2023-05-20 14:24:31,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2023-05-20 14:24:31,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 293 states. [2023-05-20 14:24:31,892 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 236 states. [2023-05-20 14:24:31,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-05-20 14:24:31,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 589 states. [2023-05-20 14:24:31,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-05-20 14:24:31,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:24:34,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:24:34,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:24:34,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:24:34,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:24:34,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:24:34,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2023-05-20 14:24:34,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2023-05-20 14:24:34,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:24:34,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2023-05-20 14:24:34,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-05-20 14:24:34,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2023-05-20 14:24:34,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2023-05-20 14:24:34,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2023-05-20 14:24:34,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 296 states. [2023-05-20 14:24:34,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-20 14:24:34,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2023-05-20 14:24:34,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2023-05-20 14:24:34,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 215 states. [2023-05-20 14:24:34,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 293 states. [2023-05-20 14:24:34,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 236 states. [2023-05-20 14:24:34,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2023-05-20 14:24:34,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 589 states. [2023-05-20 14:24:34,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2023-05-20 14:24:34,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2023-05-20 14:24:34,835 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2023-05-20 14:24:35,033 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:24:35,033 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2023-05-20 14:24:35,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 14:24:35,034 INFO L85 PathProgramCache]: Analyzing trace with hash 679640681, now seen corresponding path program 14 times [2023-05-20 14:24:35,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 14:24:35,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552278938] [2023-05-20 14:24:35,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 14:24:35,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 14:24:35,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 14:24:48,434 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 46 proven. 726 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-05-20 14:24:48,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 14:24:48,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552278938] [2023-05-20 14:24:48,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [552278938] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 14:24:48,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [567250603] [2023-05-20 14:24:48,434 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 14:24:48,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:24:48,434 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 14:24:48,436 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 14:24:48,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-05-20 14:24:48,693 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 14:24:48,693 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 14:24:48,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 1201 conjuncts, 421 conjunts are in the unsatisfiable core [2023-05-20 14:24:48,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 14:24:51,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-20 14:24:51,269 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 20 [2023-05-20 14:24:51,484 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 14:24:51,484 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 10 [2023-05-20 14:24:57,933 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 14:24:57,933 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 12 [2023-05-20 14:24:58,202 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 0 proven. 822 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-20 14:24:58,203 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 14:25:02,571 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 27 [2023-05-20 14:25:02,575 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 14:25:03,483 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 0 proven. 298 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2023-05-20 14:25:03,485 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [567250603] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 14:25:03,485 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 14:25:03,485 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [72, 80, 42] total 184 [2023-05-20 14:25:03,485 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948929580] [2023-05-20 14:25:03,485 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 14:25:03,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 184 states [2023-05-20 14:25:03,487 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 14:25:03,488 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 184 interpolants. [2023-05-20 14:25:03,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1784, Invalid=31886, Unknown=2, NotChecked=0, Total=33672 [2023-05-20 14:25:03,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:25:03,491 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 14:25:03,491 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 184 states, 184 states have (on average 4.195652173913044) internal successors, (772), 184 states have internal predecessors, (772), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 14:25:03,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 14:25:03,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-20 14:25:03,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2023-05-20 14:25:03,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2023-05-20 14:25:03,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-20 14:25:03,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 70 states. [2023-05-20 14:25:03,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 102 states. [2023-05-20 14:25:03,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2023-05-20 14:25:03,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2023-05-20 14:25:03,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-05-20 14:25:03,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 119 states. [2023-05-20 14:25:03,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 120 states. [2023-05-20 14:25:03,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2023-05-20 14:25:03,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 296 states. [2023-05-20 14:25:03,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-20 14:25:03,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2023-05-20 14:25:03,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 181 states. [2023-05-20 14:25:03,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 215 states. [2023-05-20 14:25:03,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 293 states. [2023-05-20 14:25:03,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 236 states. [2023-05-20 14:25:03,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2023-05-20 14:25:03,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 589 states. [2023-05-20 14:25:03,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 53 states. [2023-05-20 14:25:03,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 57 states. [2023-05-20 14:25:03,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2023-05-20 14:25:59,321 WARN L249 SmtUtils]: Removed 25 from assertion stack [2023-05-20 14:25:59,324 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 14:25:59,324 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 [2023-05-20 14:25:59,330 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 [2023-05-20 14:25:59,338 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2023-05-20 14:25:59,522 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 14:25:59,522 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 196 for 96ms.. [2023-05-20 14:25:59,524 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2023-05-20 14:25:59,524 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining) [2023-05-20 14:25:59,524 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2023-05-20 14:25:59,524 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2023-05-20 14:25:59,525 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining) [2023-05-20 14:25:59,530 INFO L444 BasicCegarLoop]: Path program histogram: [14, 7, 2, 1, 1] [2023-05-20 14:25:59,542 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 14:25:59,542 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 14:25:59,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 02:25:59 BasicIcfg [2023-05-20 14:25:59,547 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 14:25:59,547 INFO L158 Benchmark]: Toolchain (without parser) took 837102.19ms. Allocated memory was 239.1MB in the beginning and 2.4GB in the end (delta: 2.1GB). Free memory was 209.9MB in the beginning and 986.3MB in the end (delta: -776.4MB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2023-05-20 14:25:59,547 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 168.8MB. Free memory is still 121.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 14:25:59,547 INFO L158 Benchmark]: CACSL2BoogieTranslator took 255.93ms. Allocated memory is still 239.1MB. Free memory was 209.9MB in the beginning and 207.3MB in the end (delta: 2.6MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-05-20 14:25:59,547 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.55ms. Allocated memory is still 239.1MB. Free memory was 207.3MB in the beginning and 204.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2023-05-20 14:25:59,548 INFO L158 Benchmark]: Boogie Preprocessor took 23.22ms. Allocated memory is still 239.1MB. Free memory was 204.7MB in the beginning and 202.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 14:25:59,548 INFO L158 Benchmark]: RCFGBuilder took 609.43ms. Allocated memory is still 239.1MB. Free memory was 202.6MB in the beginning and 154.4MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 8.0GB. [2023-05-20 14:25:59,548 INFO L158 Benchmark]: TraceAbstraction took 836178.41ms. Allocated memory was 239.1MB in the beginning and 2.4GB in the end (delta: 2.1GB). Free memory was 153.3MB in the beginning and 986.3MB in the end (delta: -833.0MB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. [2023-05-20 14:25:59,549 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 168.8MB. Free memory is still 121.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 255.93ms. Allocated memory is still 239.1MB. Free memory was 209.9MB in the beginning and 207.3MB in the end (delta: 2.6MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.55ms. Allocated memory is still 239.1MB. Free memory was 207.3MB in the beginning and 204.7MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.22ms. Allocated memory is still 239.1MB. Free memory was 204.7MB in the beginning and 202.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 609.43ms. Allocated memory is still 239.1MB. Free memory was 202.6MB in the beginning and 154.4MB in the end (delta: 48.2MB). Peak memory consumption was 48.2MB. Max. memory is 8.0GB. * TraceAbstraction took 836178.41ms. Allocated memory was 239.1MB in the beginning and 2.4GB in the end (delta: 2.1GB). Free memory was 153.3MB in the beginning and 986.3MB in the end (delta: -833.0MB). Peak memory consumption was 1.3GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1121394, independent: 1104910, independent conditional: 1101499, independent unconditional: 3411, dependent: 16484, dependent conditional: 16453, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1104967, independent: 1104910, independent conditional: 1101499, independent unconditional: 3411, dependent: 57, dependent conditional: 26, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1104967, independent: 1104910, independent conditional: 1101499, independent unconditional: 3411, dependent: 57, dependent conditional: 26, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1107788, independent: 1104910, independent conditional: 484, independent unconditional: 1104426, dependent: 2878, dependent conditional: 2337, dependent unconditional: 541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1107788, independent: 1104910, independent conditional: 484, independent unconditional: 1104426, dependent: 2878, dependent conditional: 2027, dependent unconditional: 851, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1107788, independent: 1104910, independent conditional: 484, independent unconditional: 1104426, dependent: 2878, dependent conditional: 2027, dependent unconditional: 851, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3183, independent: 3074, independent conditional: 17, independent unconditional: 3057, dependent: 109, dependent conditional: 78, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3183, independent: 3057, independent conditional: 0, independent unconditional: 3057, dependent: 126, dependent conditional: 0, dependent unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 126, independent: 17, independent conditional: 17, independent unconditional: 0, dependent: 109, dependent conditional: 78, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 126, independent: 17, independent conditional: 17, independent unconditional: 0, dependent: 109, dependent conditional: 78, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 428, independent: 56, independent conditional: 56, independent unconditional: 0, dependent: 371, dependent conditional: 239, dependent unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1107788, independent: 1101836, independent conditional: 467, independent unconditional: 1101369, dependent: 2769, dependent conditional: 1949, dependent unconditional: 820, unknown: 3183, unknown conditional: 95, unknown unconditional: 3088] , Statistics on independence cache: Total cache size (in pairs): 3183, Positive cache size: 3074, Positive conditional cache size: 17, Positive unconditional cache size: 3057, Negative cache size: 109, Negative conditional cache size: 78, Negative unconditional cache size: 31, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 310, Maximal queried relation: 21, Independence queries for same thread: 16427 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 1372, Number of trivial persistent sets: 1166, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 3442, independent: 3411, independent conditional: 0, independent unconditional: 3411, dependent: 31, dependent conditional: 0, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1121394, independent: 1104910, independent conditional: 1101499, independent unconditional: 3411, dependent: 16484, dependent conditional: 16453, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1104967, independent: 1104910, independent conditional: 1101499, independent unconditional: 3411, dependent: 57, dependent conditional: 26, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1104967, independent: 1104910, independent conditional: 1101499, independent unconditional: 3411, dependent: 57, dependent conditional: 26, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1107788, independent: 1104910, independent conditional: 484, independent unconditional: 1104426, dependent: 2878, dependent conditional: 2337, dependent unconditional: 541, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1107788, independent: 1104910, independent conditional: 484, independent unconditional: 1104426, dependent: 2878, dependent conditional: 2027, dependent unconditional: 851, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1107788, independent: 1104910, independent conditional: 484, independent unconditional: 1104426, dependent: 2878, dependent conditional: 2027, dependent unconditional: 851, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3183, independent: 3074, independent conditional: 17, independent unconditional: 3057, dependent: 109, dependent conditional: 78, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3183, independent: 3057, independent conditional: 0, independent unconditional: 3057, dependent: 126, dependent conditional: 0, dependent unconditional: 126, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 126, independent: 17, independent conditional: 17, independent unconditional: 0, dependent: 109, dependent conditional: 78, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 126, independent: 17, independent conditional: 17, independent unconditional: 0, dependent: 109, dependent conditional: 78, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 428, independent: 56, independent conditional: 56, independent unconditional: 0, dependent: 371, dependent conditional: 239, dependent unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1107788, independent: 1101836, independent conditional: 467, independent unconditional: 1101369, dependent: 2769, dependent conditional: 1949, dependent unconditional: 820, unknown: 3183, unknown conditional: 95, unknown unconditional: 3088] , Statistics on independence cache: Total cache size (in pairs): 3183, Positive cache size: 3074, Positive conditional cache size: 17, Positive unconditional cache size: 3057, Negative cache size: 109, Negative conditional cache size: 78, Negative unconditional cache size: 31, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 310, Maximal queried relation: 21, Independence queries for same thread: 16427 - TimeoutResultAtElement [Line: 136]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 196 for 96ms.. - TimeoutResultAtElement [Line: 126]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 196 for 96ms.. - TimeoutResultAtElement [Line: 128]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 196 for 96ms.. - TimeoutResultAtElement [Line: 129]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 196 for 96ms.. - TimeoutResultAtElement [Line: 127]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateUnifier was unifying predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 196 for 96ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 228 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 836.0s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 14, EmptinessCheckTime: 649.2s, 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: 2980, 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: 0.8s SsaConstructionTime, 5.9s SatisfiabilityAnalysisTime, 173.1s InterpolantComputationTime, 11755 NumberOfCodeBlocks, 11602 NumberOfCodeBlocksAsserted, 110 NumberOfCheckSat, 17272 ConstructedInterpolants, 106 QuantifiedInterpolants, 202975 SizeOfPredicates, 1636 NumberOfNonLiveVariables, 18022 ConjunctsInSsa, 3172 ConjunctsInUnsatCore, 69 InterpolantComputations, 3 PerfectInterpolantSequences, 9941/22936 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