/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/unroll-cond-4.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 15:13:11,542 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 15:13:11,544 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 15:13:11,585 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 15:13:11,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 15:13:11,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 15:13:11,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 15:13:11,595 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 15:13:11,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 15:13:11,601 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 15:13:11,602 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 15:13:11,604 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 15:13:11,604 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 15:13:11,606 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 15:13:11,608 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 15:13:11,609 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 15:13:11,609 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 15:13:11,610 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 15:13:11,612 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 15:13:11,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 15:13:11,618 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 15:13:11,619 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 15:13:11,620 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 15:13:11,621 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 15:13:11,628 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 15:13:11,628 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 15:13:11,628 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 15:13:11,630 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 15:13:11,630 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 15:13:11,630 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 15:13:11,631 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 15:13:11,631 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 15:13:11,633 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 15:13:11,634 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 15:13:11,635 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 15:13:11,635 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 15:13:11,635 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 15:13:11,635 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 15:13:11,636 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 15:13:11,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 15:13:11,637 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 15:13:11,638 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 15:13:11,667 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 15:13:11,667 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 15:13:11,667 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 15:13:11,667 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 15:13:11,668 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 15:13:11,668 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 15:13:11,669 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 15:13:11,669 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 15:13:11,669 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 15:13:11,669 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 15:13:11,670 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 15:13:11,670 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 15:13:11,670 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 15:13:11,670 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 15:13:11,671 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 15:13:11,671 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 15:13:11,671 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 15:13:11,671 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 15:13:11,671 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 15:13:11,671 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 15:13:11,671 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 15:13:11,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 15:13:11,671 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 15:13:11,672 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 15:13:11,672 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 15:13:11,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 15:13:11,672 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 15:13:11,672 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 15:13:11,672 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 15:13:11,672 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 15:13:11,672 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 15:13:11,673 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 15:13:11,673 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 15:13:11,673 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 15:13:11,673 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 15:13:11,673 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 15:13:11,673 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-20 15:13:11,888 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 15:13:11,912 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 15:13:11,914 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 15:13:11,915 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 15:13:11,916 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 15:13:11,917 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/unroll-cond-4.wvr.c [2023-05-20 15:13:11,966 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec686437b/770e24636a09400fae37736ed79ea028/FLAG604f3b05f [2023-05-20 15:13:12,292 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 15:13:12,292 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-cond-4.wvr.c [2023-05-20 15:13:12,298 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec686437b/770e24636a09400fae37736ed79ea028/FLAG604f3b05f [2023-05-20 15:13:12,702 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec686437b/770e24636a09400fae37736ed79ea028 [2023-05-20 15:13:12,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 15:13:12,706 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 15:13:12,707 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 15:13:12,707 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 15:13:12,711 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 15:13:12,711 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 03:13:12" (1/1) ... [2023-05-20 15:13:12,712 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fd7602f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:13:12, skipping insertion in model container [2023-05-20 15:13:12,713 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 03:13:12" (1/1) ... [2023-05-20 15:13:12,722 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 15:13:12,744 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 15:13:12,884 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/unroll-cond-4.wvr.c[2808,2821] [2023-05-20 15:13:12,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 15:13:12,896 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 15:13:12,914 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/unroll-cond-4.wvr.c[2808,2821] [2023-05-20 15:13:12,916 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 15:13:12,926 INFO L208 MainTranslator]: Completed translation [2023-05-20 15:13:12,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:13:12 WrapperNode [2023-05-20 15:13:12,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 15:13:12,928 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 15:13:12,928 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 15:13:12,928 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 15:13:12,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:13:12" (1/1) ... [2023-05-20 15:13:12,944 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:13:12" (1/1) ... [2023-05-20 15:13:12,970 INFO L138 Inliner]: procedures = 24, calls = 41, calls flagged for inlining = 15, calls inlined = 15, statements flattened = 183 [2023-05-20 15:13:12,970 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 15:13:12,971 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 15:13:12,971 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 15:13:12,971 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 15:13:12,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:13:12" (1/1) ... [2023-05-20 15:13:12,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:13:12" (1/1) ... [2023-05-20 15:13:12,982 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:13:12" (1/1) ... [2023-05-20 15:13:12,982 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:13:12" (1/1) ... [2023-05-20 15:13:13,007 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:13:12" (1/1) ... [2023-05-20 15:13:13,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:13:12" (1/1) ... [2023-05-20 15:13:13,013 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:13:12" (1/1) ... [2023-05-20 15:13:13,014 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:13:12" (1/1) ... [2023-05-20 15:13:13,025 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 15:13:13,026 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 15:13:13,026 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 15:13:13,026 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 15:13:13,035 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:13:12" (1/1) ... [2023-05-20 15:13:13,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 15:13:13,050 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:13:13,070 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 15:13:13,085 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 15:13:13,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 15:13:13,114 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 15:13:13,114 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 15:13:13,114 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 15:13:13,119 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 15:13:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 15:13:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 15:13:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 15:13:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-20 15:13:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 15:13:13,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 15:13:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 15:13:13,119 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 15:13:13,121 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 15:13:13,218 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 15:13:13,219 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 15:13:13,605 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 15:13:13,615 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 15:13:13,616 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-20 15:13:13,618 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 03:13:13 BoogieIcfgContainer [2023-05-20 15:13:13,618 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 15:13:13,620 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 15:13:13,621 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 15:13:13,624 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 15:13:13,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 03:13:12" (1/3) ... [2023-05-20 15:13:13,624 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@557afffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 03:13:13, skipping insertion in model container [2023-05-20 15:13:13,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 03:13:12" (2/3) ... [2023-05-20 15:13:13,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@557afffa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 03:13:13, skipping insertion in model container [2023-05-20 15:13:13,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 03:13:13" (3/3) ... [2023-05-20 15:13:13,626 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-cond-4.wvr.c [2023-05-20 15:13:13,633 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 15:13:13,642 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 15:13:13,642 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 15:13:13,642 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 15:13:13,722 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-20 15:13:13,766 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 15:13:13,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 15:13:13,766 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:13:13,768 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 15:13:13,777 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 15:13:13,813 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 15:13:13,831 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 15:13:13,841 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;@4b3797e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 15:13:13,841 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-20 15:13:14,030 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 15:13:14,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:13:14,035 INFO L85 PathProgramCache]: Analyzing trace with hash 536962844, now seen corresponding path program 1 times [2023-05-20 15:13:14,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:13:14,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033111035] [2023-05-20 15:13:14,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:13:14,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:13:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:13:14,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 15:13:14,341 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:13:14,341 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033111035] [2023-05-20 15:13:14,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033111035] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 15:13:14,342 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 15:13:14,342 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 15:13:14,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [904819610] [2023-05-20 15:13:14,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 15:13:14,349 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 15:13:14,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:13:14,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 15:13:14,365 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 15:13:14,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:13:14,366 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:13:14,367 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 71.5) internal successors, (143), 2 states have internal predecessors, (143), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 15:13:14,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:13:14,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:13:14,455 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 15:13:14,456 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 15:13:14,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:13:14,456 INFO L85 PathProgramCache]: Analyzing trace with hash -1358213995, now seen corresponding path program 1 times [2023-05-20 15:13:14,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:13:14,457 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435415935] [2023-05-20 15:13:14,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:13:14,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:13:14,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:13:15,580 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 15:13:15,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:13:15,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435415935] [2023-05-20 15:13:15,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435415935] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 15:13:15,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [210774036] [2023-05-20 15:13:15,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:13:15,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 15:13:15,582 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:13:15,585 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 15:13:15,606 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 15:13:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:13:15,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-20 15:13:15,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 15:13:16,038 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 15:13:16,039 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 15:13:16,039 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [210774036] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 15:13:16,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 15:13:16,040 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2023-05-20 15:13:16,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570591359] [2023-05-20 15:13:16,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 15:13:16,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-20 15:13:16,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:13:16,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-20 15:13:16,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=302, Unknown=0, NotChecked=0, Total=342 [2023-05-20 15:13:16,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:13:16,044 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:13:16,044 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 17.75) internal successors, (142), 8 states have internal predecessors, (142), 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 15:13:16,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:13:16,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:13:16,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:13:16,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-20 15:13:16,297 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 15:13:16,489 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-05-20 15:13:16,489 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 15:13:16,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:13:16,490 INFO L85 PathProgramCache]: Analyzing trace with hash 826882970, now seen corresponding path program 1 times [2023-05-20 15:13:16,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:13:16,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435473522] [2023-05-20 15:13:16,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:13:16,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:13:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:13:16,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 15:13:16,708 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:13:16,709 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435473522] [2023-05-20 15:13:16,713 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435473522] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 15:13:16,714 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 15:13:16,714 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-20 15:13:16,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88481564] [2023-05-20 15:13:16,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 15:13:16,715 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-20 15:13:16,715 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:13:16,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-20 15:13:16,716 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-05-20 15:13:16,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:13:16,716 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:13:16,717 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 23.25) internal successors, (93), 4 states have internal predecessors, (93), 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 15:13:16,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:13:16,717 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-20 15:13:16,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:13:17,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:13:17,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:13:17,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 15:13:17,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-20 15:13:17,215 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 15:13:17,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:13:17,215 INFO L85 PathProgramCache]: Analyzing trace with hash -1396057238, now seen corresponding path program 1 times [2023-05-20 15:13:17,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:13:17,216 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713478107] [2023-05-20 15:13:17,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:13:17,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:13:17,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:13:17,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 15:13:17,858 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:13:17,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713478107] [2023-05-20 15:13:17,858 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [713478107] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 15:13:17,858 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [456656552] [2023-05-20 15:13:17,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:13:17,858 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 15:13:17,858 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:13:17,861 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 15:13:17,890 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 15:13:17,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:13:17,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 40 conjunts are in the unsatisfiable core [2023-05-20 15:13:17,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 15:13:19,302 INFO L356 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2023-05-20 15:13:19,303 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 15:13:19,471 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 15:13:19,472 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 15:13:20,187 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 15:13:20,188 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 22 [2023-05-20 15:13:21,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 15:13:21,738 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [456656552] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 15:13:21,738 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 15:13:21,738 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 21, 22] total 48 [2023-05-20 15:13:21,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238037826] [2023-05-20 15:13:21,738 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 15:13:21,740 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-05-20 15:13:21,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:13:21,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-05-20 15:13:21,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=174, Invalid=2082, Unknown=0, NotChecked=0, Total=2256 [2023-05-20 15:13:21,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:13:21,742 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:13:21,743 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 8.3125) internal successors, (399), 48 states have internal predecessors, (399), 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 15:13:21,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:13:21,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:13:21,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 15:13:21,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:13:27,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:13:27,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:13:27,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 15:13:27,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-20 15:13:27,379 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 15:13:27,553 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 15:13:27,554 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 15:13:27,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:13:27,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1727139331, now seen corresponding path program 1 times [2023-05-20 15:13:27,554 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:13:27,554 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160449806] [2023-05-20 15:13:27,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:13:27,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:13:27,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:13:28,725 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 15:13:28,725 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:13:28,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160449806] [2023-05-20 15:13:28,725 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160449806] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 15:13:28,725 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1834893146] [2023-05-20 15:13:28,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:13:28,726 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 15:13:28,726 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:13:28,729 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 15:13:28,755 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 15:13:28,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:13:28,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 40 conjunts are in the unsatisfiable core [2023-05-20 15:13:28,852 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 15:13:30,338 INFO L356 Elim1Store]: treesize reduction 7, result has 30.0 percent of original size [2023-05-20 15:13:30,338 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 15:13:30,454 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-05-20 15:13:30,454 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 15:13:31,429 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 15:13:31,430 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 22 [2023-05-20 15:13:32,659 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 10 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2023-05-20 15:13:32,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1834893146] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 15:13:32,659 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 15:13:32,659 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 21, 22] total 56 [2023-05-20 15:13:32,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1504423508] [2023-05-20 15:13:32,660 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 15:13:32,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2023-05-20 15:13:32,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:13:32,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2023-05-20 15:13:32,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=2870, Unknown=0, NotChecked=0, Total=3080 [2023-05-20 15:13:32,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:13:32,662 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:13:32,663 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 9.285714285714286) internal successors, (520), 56 states have internal predecessors, (520), 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 15:13:32,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:13:32,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:13:32,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 15:13:32,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-20 15:13:32,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:13:40,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:13:40,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:13:40,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 15:13:40,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2023-05-20 15:13:40,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-05-20 15:13:40,688 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-05-20 15:13:40,873 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 15:13:40,874 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 15:13:40,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:13:40,874 INFO L85 PathProgramCache]: Analyzing trace with hash -1607524114, now seen corresponding path program 1 times [2023-05-20 15:13:40,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:13:40,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383616223] [2023-05-20 15:13:40,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:13:40,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:13:40,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:13:42,480 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 15:13:42,481 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:13:42,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383616223] [2023-05-20 15:13:42,481 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383616223] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 15:13:42,481 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648846958] [2023-05-20 15:13:42,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:13:42,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 15:13:42,482 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:13:42,483 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 15:13:42,484 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 15:13:42,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:13:42,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 459 conjuncts, 45 conjunts are in the unsatisfiable core [2023-05-20 15:13:42,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 15:13:45,193 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 15:13:45,194 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 13 [2023-05-20 15:13:45,373 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 79 proven. 28 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-05-20 15:13:45,373 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 15:13:46,469 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 15:13:46,470 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 34 treesize of output 22 [2023-05-20 15:13:47,665 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 17 proven. 90 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-05-20 15:13:47,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [648846958] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 15:13:47,665 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 15:13:47,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 24, 24] total 71 [2023-05-20 15:13:47,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307633053] [2023-05-20 15:13:47,666 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 15:13:47,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2023-05-20 15:13:47,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:13:47,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2023-05-20 15:13:47,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=4663, Unknown=0, NotChecked=0, Total=4970 [2023-05-20 15:13:47,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:13:47,671 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:13:47,672 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 9.056338028169014) internal successors, (643), 71 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 15:13:47,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:13:47,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:13:47,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 15:13:47,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 73 states. [2023-05-20 15:13:47,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-05-20 15:13:47,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:13:56,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:13:56,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:13:56,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 15:13:56,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-20 15:13:56,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-05-20 15:13:56,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2023-05-20 15:13:56,301 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 15:13:56,490 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 15:13:56,491 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 15:13:56,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:13:56,491 INFO L85 PathProgramCache]: Analyzing trace with hash 195571179, now seen corresponding path program 1 times [2023-05-20 15:13:56,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:13:56,492 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688693183] [2023-05-20 15:13:56,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:13:56,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:13:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:13:57,168 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 40 proven. 42 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 15:13:57,169 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:13:57,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [688693183] [2023-05-20 15:13:57,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [688693183] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 15:13:57,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [829853259] [2023-05-20 15:13:57,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:13:57,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 15:13:57,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:13:57,173 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 15:13:57,192 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 15:13:57,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:13:57,276 INFO L263 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 38 conjunts are in the unsatisfiable core [2023-05-20 15:13:57,279 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 15:13:58,055 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 15:13:58,055 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 15:13:58,186 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 6 proven. 35 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-05-20 15:13:58,186 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 15:13:58,314 INFO L356 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2023-05-20 15:13:58,315 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 19 treesize of output 11 [2023-05-20 15:13:58,835 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 0 proven. 41 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-05-20 15:13:58,836 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [829853259] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 15:13:58,836 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 15:13:58,836 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 20, 20] total 42 [2023-05-20 15:13:58,836 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497763655] [2023-05-20 15:13:58,836 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 15:13:58,837 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 42 states [2023-05-20 15:13:58,837 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:13:58,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2023-05-20 15:13:58,838 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=1594, Unknown=0, NotChecked=0, Total=1722 [2023-05-20 15:13:58,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:13:58,838 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:13:58,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 42 states, 42 states have (on average 8.5) internal successors, (357), 42 states have internal predecessors, (357), 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 15:13:58,838 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:13:58,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:13:58,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 15:13:58,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-20 15:13:58,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-05-20 15:13:58,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2023-05-20 15:13:58,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:14:08,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:14:08,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:14:08,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 15:14:08,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-20 15:14:08,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-05-20 15:14:08,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2023-05-20 15:14:08,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-05-20 15:14:08,057 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2023-05-20 15:14:08,242 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 15:14:08,242 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 15:14:08,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:14:08,243 INFO L85 PathProgramCache]: Analyzing trace with hash -719795172, now seen corresponding path program 2 times [2023-05-20 15:14:08,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:14:08,243 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945297091] [2023-05-20 15:14:08,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:14:08,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:14:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:14:09,775 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 30 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 15:14:09,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:14:09,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945297091] [2023-05-20 15:14:09,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945297091] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 15:14:09,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2082395283] [2023-05-20 15:14:09,776 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 15:14:09,776 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 15:14:09,776 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:14:09,777 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 15:14:09,799 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 15:14:09,874 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 15:14:09,875 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 15:14:09,876 INFO L263 TraceCheckSpWp]: Trace formula consists of 333 conjuncts, 53 conjunts are in the unsatisfiable core [2023-05-20 15:14:09,881 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 15:14:10,183 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-20 15:14:10,437 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 15:14:10,483 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 15:14:11,422 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 15:14:11,422 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 15:14:11,439 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-05-20 15:14:11,439 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 15:14:12,610 WARN L833 $PredicateComparison]: unable to prove that (forall ((~x1~0 Int) (~x2~0 Int) (v_ArrVal_164 (Array Int Int))) (or (< ~x1~0 0) (<= c_~size~0 ~x1~0) (< ~x2~0 0) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_164) c_~f~0.base))) (= (select .cse0 (+ c_~f~0.offset (* ~x2~0 4))) (select .cse0 (+ (* ~x1~0 4) c_~f~0.offset)))) (<= c_~size~0 ~x2~0))) is different from false [2023-05-20 15:14:12,726 WARN L833 $PredicateComparison]: unable to prove that (forall ((~x1~0 Int) (~x2~0 Int) (v_ArrVal_164 (Array Int Int)) (v_ArrVal_163 (Array Int Int))) (or (< ~x1~0 0) (<= c_~size~0 ~x1~0) (< ~x2~0 0) (<= c_~size~0 ~x2~0) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_163) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_164) c_~f~0.base))) (= (select .cse0 (+ (* ~x1~0 4) c_~f~0.offset)) (select .cse0 (+ c_~f~0.offset (* ~x2~0 4))))))) is different from false [2023-05-20 15:14:12,781 WARN L833 $PredicateComparison]: unable to prove that (forall ((~x1~0 Int) (~x2~0 Int) (v_ArrVal_164 (Array Int Int)) (v_ArrVal_163 (Array Int Int))) (or (< ~x1~0 0) (<= c_~size~0 ~x1~0) (< ~x2~0 0) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_163) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_164) |c_ULTIMATE.start_main_#t~ret19#1.base|))) (= (select .cse0 (+ (* ~x2~0 4) |c_ULTIMATE.start_main_#t~ret19#1.offset|)) (select .cse0 (+ (* ~x1~0 4) |c_ULTIMATE.start_main_#t~ret19#1.offset|)))) (<= c_~size~0 ~x2~0))) is different from false [2023-05-20 15:14:12,816 WARN L833 $PredicateComparison]: unable to prove that (forall ((~x1~0 Int) (~x2~0 Int) (v_ArrVal_164 (Array Int Int)) (v_ArrVal_163 (Array Int Int))) (or (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_163) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_164) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (= (select .cse0 (+ (* ~x1~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (select .cse0 (+ (* ~x2~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)))) (< ~x1~0 0) (<= c_~size~0 ~x1~0) (< ~x2~0 0) (<= c_~size~0 ~x2~0))) is different from false [2023-05-20 15:14:12,833 WARN L833 $PredicateComparison]: unable to prove that (forall ((~x1~0 Int) (~x2~0 Int) (v_ArrVal_164 (Array Int Int)) (v_ArrVal_163 (Array Int Int))) (or (< ~x1~0 0) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_163) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_164) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (= (select .cse0 (+ (* ~x1~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (select .cse0 (+ (* ~x2~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))) (<= c_~size~0 ~x1~0) (< ~x2~0 0) (<= c_~size~0 ~x2~0))) is different from false [2023-05-20 15:14:13,185 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 15:14:13,186 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 55 treesize of output 44 [2023-05-20 15:14:13,198 INFO L356 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2023-05-20 15:14:13,198 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 198 treesize of output 173 [2023-05-20 15:14:13,205 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-20 15:14:13,206 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 59 [2023-05-20 15:14:13,215 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-05-20 15:14:13,215 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 142 treesize of output 94 [2023-05-20 15:14:13,436 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 3 not checked. [2023-05-20 15:14:13,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2082395283] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 15:14:13,436 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 15:14:13,437 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 29, 26] total 71 [2023-05-20 15:14:13,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634227472] [2023-05-20 15:14:13,437 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 15:14:13,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 71 states [2023-05-20 15:14:13,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:14:13,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2023-05-20 15:14:13,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=361, Invalid=3942, Unknown=7, NotChecked=660, Total=4970 [2023-05-20 15:14:13,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:14:13,439 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:14:13,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 71 states, 71 states have (on average 5.76056338028169) internal successors, (409), 71 states have internal predecessors, (409), 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 15:14:13,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:14:13,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:14:13,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 15:14:13,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-20 15:14:13,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-05-20 15:14:13,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2023-05-20 15:14:13,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-05-20 15:14:13,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:14:20,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:14:20,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:14:20,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 15:14:20,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2023-05-20 15:14:20,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2023-05-20 15:14:20,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2023-05-20 15:14:20,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2023-05-20 15:14:20,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2023-05-20 15:14:20,668 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-20 15:14:20,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 15:14:20,854 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 15:14:20,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:14:20,854 INFO L85 PathProgramCache]: Analyzing trace with hash -1466170536, now seen corresponding path program 1 times [2023-05-20 15:14:20,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:14:20,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878471286] [2023-05-20 15:14:20,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:14:20,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:14:20,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:14:21,313 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 13 proven. 29 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 15:14:21,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:14:21,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878471286] [2023-05-20 15:14:21,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878471286] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 15:14:21,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652230857] [2023-05-20 15:14:21,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:14:21,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 15:14:21,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:14:21,315 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 15:14:21,341 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 15:14:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:14:21,410 INFO L263 TraceCheckSpWp]: Trace formula consists of 315 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-20 15:14:21,413 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 15:14:21,705 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 13 proven. 29 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 15:14:21,705 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 15:14:22,159 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 13 proven. 29 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 15:14:22,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [652230857] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 15:14:22,160 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 15:14:22,160 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 13, 13] total 31 [2023-05-20 15:14:22,160 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212956389] [2023-05-20 15:14:22,160 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 15:14:22,161 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2023-05-20 15:14:22,161 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:14:22,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2023-05-20 15:14:22,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=819, Unknown=0, NotChecked=0, Total=930 [2023-05-20 15:14:22,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:14:22,162 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:14:22,162 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 31 states have (on average 9.548387096774194) internal successors, (296), 31 states have internal predecessors, (296), 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 15:14:22,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:14:22,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:14:22,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 15:14:22,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 79 states. [2023-05-20 15:14:22,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 103 states. [2023-05-20 15:14:22,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2023-05-20 15:14:22,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2023-05-20 15:14:22,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2023-05-20 15:14:22,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:14:30,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:14:30,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:14:30,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 15:14:30,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-05-20 15:14:30,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-05-20 15:14:30,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-20 15:14:30,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2023-05-20 15:14:30,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-20 15:14:30,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-20 15:14:30,142 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 15:14:30,328 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,SelfDestructingSolverStorable8 [2023-05-20 15:14:30,328 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 15:14:30,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:14:30,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1293275758, now seen corresponding path program 1 times [2023-05-20 15:14:30,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:14:30,329 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020039485] [2023-05-20 15:14:30,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:14:30,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:14:30,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:14:31,886 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 92 proven. 274 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-05-20 15:14:31,886 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:14:31,886 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020039485] [2023-05-20 15:14:31,886 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020039485] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 15:14:31,887 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [512182035] [2023-05-20 15:14:31,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:14:31,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 15:14:31,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:14:31,888 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 15:14:31,889 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 15:14:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:14:31,997 INFO L263 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 38 conjunts are in the unsatisfiable core [2023-05-20 15:14:32,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 15:14:33,183 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 15:14:33,183 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 15:14:33,362 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 91 proven. 81 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2023-05-20 15:14:33,362 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 15:14:33,740 INFO L356 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2023-05-20 15:14:33,741 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 19 treesize of output 11 [2023-05-20 15:14:34,526 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2023-05-20 15:14:34,527 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [512182035] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 15:14:34,527 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 15:14:34,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 20, 20] total 57 [2023-05-20 15:14:34,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23272123] [2023-05-20 15:14:34,527 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 15:14:34,528 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2023-05-20 15:14:34,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:14:34,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2023-05-20 15:14:34,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=3005, Unknown=0, NotChecked=0, Total=3192 [2023-05-20 15:14:34,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:14:34,529 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:14:34,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 9.350877192982455) internal successors, (533), 57 states have internal predecessors, (533), 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 15:14:34,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:14:34,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:14:34,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 15:14:34,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-05-20 15:14:34,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-05-20 15:14:34,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-20 15:14:34,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2023-05-20 15:14:34,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-05-20 15:14:34,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-05-20 15:14:34,530 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:15:15,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:15:15,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:15:15,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 15:15:15,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-05-20 15:15:15,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-05-20 15:15:15,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-20 15:15:15,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2023-05-20 15:15:15,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-20 15:15:15,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-20 15:15:15,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 220 states. [2023-05-20 15:15:15,141 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 15:15:15,324 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-05-20 15:15:15,325 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 15:15:15,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:15:15,325 INFO L85 PathProgramCache]: Analyzing trace with hash -2110310791, now seen corresponding path program 1 times [2023-05-20 15:15:15,325 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:15:15,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [532901287] [2023-05-20 15:15:15,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:15:15,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:15:15,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:15:16,585 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 104 proven. 164 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-05-20 15:15:16,585 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:15:16,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [532901287] [2023-05-20 15:15:16,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [532901287] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 15:15:16,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [209431239] [2023-05-20 15:15:16,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:15:16,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 15:15:16,586 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:15:16,591 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 15:15:16,591 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 15:15:16,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:15:16,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 38 conjunts are in the unsatisfiable core [2023-05-20 15:15:16,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 15:15:17,658 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 15:15:17,659 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 15:15:17,794 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 76 proven. 70 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-05-20 15:15:17,794 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 15:15:18,144 INFO L356 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2023-05-20 15:15:18,144 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 19 treesize of output 11 [2023-05-20 15:15:18,772 INFO L134 CoverageAnalysis]: Checked inductivity of 282 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-05-20 15:15:18,772 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [209431239] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 15:15:18,772 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 15:15:18,772 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 20, 20] total 56 [2023-05-20 15:15:18,772 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891630760] [2023-05-20 15:15:18,772 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 15:15:18,773 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 56 states [2023-05-20 15:15:18,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:15:18,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2023-05-20 15:15:18,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=2892, Unknown=0, NotChecked=0, Total=3080 [2023-05-20 15:15:18,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:15:18,774 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:15:18,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 56 states, 56 states have (on average 8.785714285714286) internal successors, (492), 56 states have internal predecessors, (492), 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 15:15:18,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:15:18,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:15:18,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 15:15:18,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-05-20 15:15:18,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-05-20 15:15:18,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-20 15:15:18,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2023-05-20 15:15:18,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-05-20 15:15:18,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-05-20 15:15:18,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 220 states. [2023-05-20 15:15:18,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:15:31,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:15:31,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:15:31,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 15:15:31,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-05-20 15:15:31,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-05-20 15:15:31,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-20 15:15:31,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2023-05-20 15:15:31,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-20 15:15:31,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-20 15:15:31,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 224 states. [2023-05-20 15:15:31,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2023-05-20 15:15:31,943 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-05-20 15:15:32,125 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,SelfDestructingSolverStorable10 [2023-05-20 15:15:32,126 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 15:15:32,126 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:15:32,126 INFO L85 PathProgramCache]: Analyzing trace with hash 1163482973, now seen corresponding path program 2 times [2023-05-20 15:15:32,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:15:32,126 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408295830] [2023-05-20 15:15:32,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:15:32,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:15:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:15:39,309 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 15:15:39,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:15:39,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408295830] [2023-05-20 15:15:39,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408295830] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 15:15:39,310 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770857440] [2023-05-20 15:15:39,310 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 15:15:39,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 15:15:39,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:15:39,311 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 15:15:39,312 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 15:15:39,515 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 15:15:39,516 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 15:15:39,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 50 conjunts are in the unsatisfiable core [2023-05-20 15:15:39,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 15:15:40,008 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-20 15:15:40,446 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 15:15:40,513 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 15:15:41,661 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 15:15:41,662 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 15:15:41,889 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 44 proven. 6 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-05-20 15:15:41,889 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 15:15:44,205 WARN L833 $PredicateComparison]: unable to prove that (forall ((~x1~0 Int) (~x2~0 Int) (v_ArrVal_263 (Array Int Int)) (v_ArrVal_264 (Array Int Int))) (or (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_263) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_264) c_~f~0.base))) (= (select .cse0 (+ (* ~x1~0 4) c_~f~0.offset)) (select .cse0 (+ c_~f~0.offset (* ~x2~0 4))))) (< ~x1~0 0) (<= c_~size~0 ~x1~0) (< ~x2~0 0) (<= c_~size~0 ~x2~0))) is different from false [2023-05-20 15:15:44,421 WARN L833 $PredicateComparison]: unable to prove that (forall ((~x1~0 Int) (~x2~0 Int) (v_ArrVal_263 (Array Int Int)) (v_ArrVal_264 (Array Int Int))) (or (< ~x1~0 0) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_263) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_264) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (= (select .cse0 (+ (* ~x2~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (select .cse0 (+ (* ~x1~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)))) (<= c_~size~0 ~x1~0) (< ~x2~0 0) (<= c_~size~0 ~x2~0))) is different from false [2023-05-20 15:15:44,435 WARN L833 $PredicateComparison]: unable to prove that (forall ((~x1~0 Int) (~x2~0 Int) (v_ArrVal_263 (Array Int Int)) (v_ArrVal_264 (Array Int Int))) (or (< ~x1~0 0) (<= c_~size~0 ~x1~0) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_263) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_264) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (= (select .cse0 (+ (* ~x1~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (select .cse0 (+ (* ~x2~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))) (< ~x2~0 0) (<= c_~size~0 ~x2~0))) is different from false [2023-05-20 15:15:44,860 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 15:15:44,860 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 55 treesize of output 44 [2023-05-20 15:15:44,870 INFO L356 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2023-05-20 15:15:44,871 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 94 treesize of output 85 [2023-05-20 15:15:44,878 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-05-20 15:15:44,878 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 54 [2023-05-20 15:15:44,886 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-05-20 15:15:44,886 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 20 [2023-05-20 15:15:45,198 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 32 proven. 18 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-05-20 15:15:45,198 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [770857440] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 15:15:45,199 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 15:15:45,199 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 29, 26] total 74 [2023-05-20 15:15:45,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1196309591] [2023-05-20 15:15:45,199 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 15:15:45,199 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 74 states [2023-05-20 15:15:45,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:15:45,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2023-05-20 15:15:45,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=311, Invalid=4648, Unknown=23, NotChecked=420, Total=5402 [2023-05-20 15:15:45,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:15:45,201 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:15:45,201 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 74 states, 74 states have (on average 8.162162162162161) internal successors, (604), 74 states have internal predecessors, (604), 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 15:15:45,201 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:15:45,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:15:45,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 15:15:45,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-05-20 15:15:45,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-05-20 15:15:45,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-20 15:15:45,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2023-05-20 15:15:45,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-05-20 15:15:45,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-05-20 15:15:45,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 224 states. [2023-05-20 15:15:45,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2023-05-20 15:15:45,202 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:16:13,802 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 15:16:17,796 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 15:16:18,955 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-05-20 15:16:34,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 15:16:37,821 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 15:16:40,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:16:40,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:16:40,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 15:16:40,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-05-20 15:16:40,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-05-20 15:16:40,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-20 15:16:40,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2023-05-20 15:16:40,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-20 15:16:40,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-20 15:16:40,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 242 states. [2023-05-20 15:16:40,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2023-05-20 15:16:40,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2023-05-20 15:16:40,385 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 15:16:40,577 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,SelfDestructingSolverStorable11 [2023-05-20 15:16:40,577 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 15:16:40,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:16:40,577 INFO L85 PathProgramCache]: Analyzing trace with hash -601358982, now seen corresponding path program 1 times [2023-05-20 15:16:40,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:16:40,578 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1119221695] [2023-05-20 15:16:40,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:16:40,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:16:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:16:41,743 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 158 proven. 202 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-05-20 15:16:41,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:16:41,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1119221695] [2023-05-20 15:16:41,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1119221695] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 15:16:41,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1015636483] [2023-05-20 15:16:41,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:16:41,744 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 15:16:41,744 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:16:41,745 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 15:16:41,746 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 15:16:41,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:16:41,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 483 conjuncts, 38 conjunts are in the unsatisfiable core [2023-05-20 15:16:41,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 15:16:42,817 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 15:16:42,817 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 15:16:42,945 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 136 proven. 90 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-05-20 15:16:42,945 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 15:16:43,346 INFO L356 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2023-05-20 15:16:43,346 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 19 treesize of output 11 [2023-05-20 15:16:43,923 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 226 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-05-20 15:16:43,923 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1015636483] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 15:16:43,923 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 15:16:43,924 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 20, 20] total 58 [2023-05-20 15:16:43,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050999551] [2023-05-20 15:16:43,924 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 15:16:43,925 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 58 states [2023-05-20 15:16:43,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:16:43,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2023-05-20 15:16:43,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=3119, Unknown=0, NotChecked=0, Total=3306 [2023-05-20 15:16:43,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:16:43,926 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:16:43,926 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 58 states, 58 states have (on average 9.03448275862069) internal successors, (524), 58 states have internal predecessors, (524), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 15:16:43,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:16:43,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:16:43,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 15:16:43,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-05-20 15:16:43,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-05-20 15:16:43,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-20 15:16:43,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2023-05-20 15:16:43,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-05-20 15:16:43,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-05-20 15:16:43,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 242 states. [2023-05-20 15:16:43,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 155 states. [2023-05-20 15:16:43,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2023-05-20 15:16:43,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:16:54,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:16:54,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:16:54,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 15:16:54,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-05-20 15:16:54,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-05-20 15:16:54,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-20 15:16:54,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2023-05-20 15:16:54,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-20 15:16:54,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-20 15:16:54,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 242 states. [2023-05-20 15:16:54,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2023-05-20 15:16:54,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2023-05-20 15:16:54,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2023-05-20 15:16:54,460 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 15:16:54,653 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,SelfDestructingSolverStorable12 [2023-05-20 15:16:54,653 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 15:16:54,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:16:54,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1844452996, now seen corresponding path program 2 times [2023-05-20 15:16:54,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:16:54,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [313997043] [2023-05-20 15:16:54,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:16:54,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:16:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:16:56,552 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 27 proven. 167 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 15:16:56,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:16:56,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [313997043] [2023-05-20 15:16:56,552 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [313997043] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 15:16:56,552 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1571213411] [2023-05-20 15:16:56,552 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 15:16:56,553 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 15:16:56,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:16:56,561 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 15:16:56,572 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 15:16:56,664 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 15:16:56,664 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 15:16:56,666 INFO L263 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 50 conjunts are in the unsatisfiable core [2023-05-20 15:16:56,671 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 15:16:56,990 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-20 15:16:57,212 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 15:16:57,256 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 15:16:58,094 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 15:16:58,094 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 15:16:58,118 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2023-05-20 15:16:58,118 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 15:16:59,850 WARN L833 $PredicateComparison]: unable to prove that (forall ((~x1~0 Int) (~x2~0 Int) (v_ArrVal_316 (Array Int Int))) (or (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_316) c_~f~0.base))) (= (select .cse0 (+ (* ~x1~0 4) c_~f~0.offset)) (select .cse0 (+ c_~f~0.offset (* ~x2~0 4))))) (< ~x1~0 0) (<= c_~size~0 ~x1~0) (< ~x2~0 0) (<= c_~size~0 ~x2~0))) is different from false [2023-05-20 15:16:59,928 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_315 (Array Int Int)) (~x1~0 Int) (~x2~0 Int) (v_ArrVal_316 (Array Int Int))) (or (< ~x1~0 0) (<= c_~size~0 ~x1~0) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_315) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_316) c_~f~0.base))) (= (select .cse0 (+ (* ~x1~0 4) c_~f~0.offset)) (select .cse0 (+ c_~f~0.offset (* ~x2~0 4))))) (< ~x2~0 0) (<= c_~size~0 ~x2~0))) is different from false [2023-05-20 15:17:02,145 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_315 (Array Int Int)) (~x1~0 Int) (~x2~0 Int) (v_ArrVal_316 (Array Int Int))) (or (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_315) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_316) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (= (select .cse0 (+ (* ~x1~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (select .cse0 (+ (* ~x2~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)))) (< ~x1~0 0) (<= c_~size~0 ~x1~0) (< ~x2~0 0) (<= c_~size~0 ~x2~0))) is different from false [2023-05-20 15:17:02,159 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_315 (Array Int Int)) (~x1~0 Int) (~x2~0 Int) (v_ArrVal_316 (Array Int Int))) (or (< ~x1~0 0) (<= c_~size~0 ~x1~0) (< ~x2~0 0) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_315) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_316) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (= (select .cse0 (+ (* ~x1~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (select .cse0 (+ (* ~x2~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))) (<= c_~size~0 ~x2~0))) is different from false [2023-05-20 15:17:02,470 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 15:17:02,470 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 55 treesize of output 44 [2023-05-20 15:17:02,482 INFO L356 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2023-05-20 15:17:02,483 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 94 treesize of output 85 [2023-05-20 15:17:02,491 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-05-20 15:17:02,492 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 54 [2023-05-20 15:17:02,501 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-05-20 15:17:02,502 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 20 [2023-05-20 15:17:02,742 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 141 trivial. 6 not checked. [2023-05-20 15:17:02,743 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1571213411] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 15:17:02,743 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 15:17:02,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [36, 29, 26] total 77 [2023-05-20 15:17:02,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14610937] [2023-05-20 15:17:02,743 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 15:17:02,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2023-05-20 15:17:02,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:17:02,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2023-05-20 15:17:02,746 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=431, Invalid=4824, Unknown=17, NotChecked=580, Total=5852 [2023-05-20 15:17:02,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:17:02,746 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:17:02,747 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 7.246753246753247) internal successors, (558), 77 states have internal predecessors, (558), 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 15:17:02,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:17:02,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:17:02,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 15:17:02,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-05-20 15:17:02,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-05-20 15:17:02,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-20 15:17:02,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2023-05-20 15:17:02,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-05-20 15:17:02,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-05-20 15:17:02,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 242 states. [2023-05-20 15:17:02,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 155 states. [2023-05-20 15:17:02,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2023-05-20 15:17:02,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2023-05-20 15:17:02,747 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:17:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:17:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:17:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 15:17:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-05-20 15:17:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-05-20 15:17:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-20 15:17:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2023-05-20 15:17:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-20 15:17:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-20 15:17:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 245 states. [2023-05-20 15:17:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2023-05-20 15:17:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2023-05-20 15:17:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2023-05-20 15:17:19,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2023-05-20 15:17:19,495 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 15:17:19,681 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,SelfDestructingSolverStorable13 [2023-05-20 15:17:19,681 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 15:17:19,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:17:19,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1297636418, now seen corresponding path program 1 times [2023-05-20 15:17:19,682 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:17:19,682 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1567552503] [2023-05-20 15:17:19,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:17:19,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:17:19,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:17:21,979 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 66 proven. 136 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 15:17:21,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:17:21,979 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1567552503] [2023-05-20 15:17:21,979 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1567552503] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 15:17:21,980 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [479685645] [2023-05-20 15:17:21,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:17:21,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 15:17:21,980 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:17:21,981 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 15:17:21,982 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 15:17:22,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:17:22,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 38 conjunts are in the unsatisfiable core [2023-05-20 15:17:22,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 15:17:23,379 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 15:17:23,380 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 15:17:23,584 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 55 proven. 57 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-05-20 15:17:23,584 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 15:17:24,020 INFO L356 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2023-05-20 15:17:24,020 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 19 treesize of output 11 [2023-05-20 15:17:24,806 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-05-20 15:17:24,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [479685645] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 15:17:24,807 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 15:17:24,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 20, 20] total 59 [2023-05-20 15:17:24,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794001148] [2023-05-20 15:17:24,807 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 15:17:24,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 59 states [2023-05-20 15:17:24,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:17:24,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2023-05-20 15:17:24,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=3229, Unknown=0, NotChecked=0, Total=3422 [2023-05-20 15:17:24,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:17:24,809 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:17:24,810 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 59 states, 59 states have (on average 7.8474576271186445) internal successors, (463), 59 states have internal predecessors, (463), 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 15:17:24,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:17:24,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:17:24,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 15:17:24,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-05-20 15:17:24,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-05-20 15:17:24,810 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-20 15:17:24,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2023-05-20 15:17:24,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-05-20 15:17:24,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-05-20 15:17:24,811 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 245 states. [2023-05-20 15:17:24,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 155 states. [2023-05-20 15:17:24,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2023-05-20 15:17:24,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 154 states. [2023-05-20 15:17:24,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2023-05-20 15:17:24,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:17:47,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:17:47,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:17:47,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 15:17:47,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-05-20 15:17:47,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-05-20 15:17:47,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-20 15:17:47,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2023-05-20 15:17:47,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-20 15:17:47,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-20 15:17:47,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 251 states. [2023-05-20 15:17:47,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2023-05-20 15:17:47,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2023-05-20 15:17:47,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2023-05-20 15:17:47,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2023-05-20 15:17:47,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2023-05-20 15:17:47,255 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 15:17:47,439 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 15:17:47,440 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 15:17:47,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:17:47,440 INFO L85 PathProgramCache]: Analyzing trace with hash -706815363, now seen corresponding path program 3 times [2023-05-20 15:17:47,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:17:47,440 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661488850] [2023-05-20 15:17:47,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:17:47,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:17:47,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:17:48,586 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 15:17:48,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:17:48,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661488850] [2023-05-20 15:17:48,586 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661488850] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 15:17:48,586 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704130797] [2023-05-20 15:17:48,587 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 15:17:48,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 15:17:48,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:17:48,588 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 15:17:48,589 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 15:17:48,725 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2023-05-20 15:17:48,726 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 15:17:48,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 50 conjunts are in the unsatisfiable core [2023-05-20 15:17:48,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 15:17:49,048 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-20 15:17:49,315 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 15:17:49,370 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 15:17:50,266 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 15:17:50,266 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 15:17:50,425 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 44 proven. 6 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-05-20 15:17:50,425 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 15:17:54,405 WARN L833 $PredicateComparison]: unable to prove that (forall ((~x1~0 Int) (~x2~0 Int) (v_ArrVal_368 (Array Int Int)) (v_ArrVal_367 (Array Int Int))) (or (< ~x1~0 0) (<= c_~size~0 ~x1~0) (< ~x2~0 0) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_367) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_368) c_~f~0.base))) (= (select .cse0 (+ (* ~x1~0 4) c_~f~0.offset)) (select .cse0 (+ c_~f~0.offset (* ~x2~0 4))))) (<= c_~size~0 ~x2~0))) is different from false [2023-05-20 15:17:54,590 WARN L833 $PredicateComparison]: unable to prove that (forall ((~x1~0 Int) (~x2~0 Int) (v_ArrVal_368 (Array Int Int)) (v_ArrVal_367 (Array Int Int))) (or (< ~x1~0 0) (<= c_~size~0 ~x1~0) (< ~x2~0 0) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_367) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_368) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|))) (= (select .cse0 (+ (* ~x1~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)) (select .cse0 (+ (* ~x2~0 4) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)))) (<= c_~size~0 ~x2~0))) is different from false [2023-05-20 15:17:54,605 WARN L833 $PredicateComparison]: unable to prove that (forall ((~x1~0 Int) (~x2~0 Int) (v_ArrVal_368 (Array Int Int)) (v_ArrVal_367 (Array Int Int))) (or (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_367) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_368) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (= (select .cse0 (+ (* ~x1~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (select .cse0 (+ (* ~x2~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))) (< ~x1~0 0) (<= c_~size~0 ~x1~0) (< ~x2~0 0) (<= c_~size~0 ~x2~0))) is different from false [2023-05-20 15:17:56,943 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 15:17:56,943 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 55 treesize of output 44 [2023-05-20 15:17:56,951 INFO L356 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2023-05-20 15:17:56,952 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 94 treesize of output 85 [2023-05-20 15:17:56,958 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-05-20 15:17:56,959 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 54 [2023-05-20 15:17:56,967 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-05-20 15:17:56,967 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 20 [2023-05-20 15:17:57,190 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 32 proven. 18 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-05-20 15:17:57,191 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [704130797] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 15:17:57,191 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 15:17:57,191 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 29, 26] total 73 [2023-05-20 15:17:57,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1448276978] [2023-05-20 15:17:57,191 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 15:17:57,192 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2023-05-20 15:17:57,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:17:57,192 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2023-05-20 15:17:57,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=4512, Unknown=30, NotChecked=414, Total=5256 [2023-05-20 15:17:57,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:17:57,194 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:17:57,194 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 7.780821917808219) internal successors, (568), 73 states have internal predecessors, (568), 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 15:17:57,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:17:57,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:17:57,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 15:17:57,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-05-20 15:17:57,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-05-20 15:17:57,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-20 15:17:57,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2023-05-20 15:17:57,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-05-20 15:17:57,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-05-20 15:17:57,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 251 states. [2023-05-20 15:17:57,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 155 states. [2023-05-20 15:17:57,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2023-05-20 15:17:57,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2023-05-20 15:17:57,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2023-05-20 15:17:57,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 145 states. [2023-05-20 15:17:57,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:18:16,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:18:16,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:18:16,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 15:18:16,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-05-20 15:18:16,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-05-20 15:18:16,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-20 15:18:16,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2023-05-20 15:18:16,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-20 15:18:16,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-20 15:18:16,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 258 states. [2023-05-20 15:18:16,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2023-05-20 15:18:16,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2023-05-20 15:18:16,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2023-05-20 15:18:16,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2023-05-20 15:18:16,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2023-05-20 15:18:16,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2023-05-20 15:18:16,362 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-05-20 15:18:16,547 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,SelfDestructingSolverStorable15 [2023-05-20 15:18:16,547 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 15:18:16,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:18:16,548 INFO L85 PathProgramCache]: Analyzing trace with hash -84560828, now seen corresponding path program 1 times [2023-05-20 15:18:16,548 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:18:16,548 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057908434] [2023-05-20 15:18:16,548 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:18:16,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:18:16,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:18:17,519 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 66 proven. 136 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 15:18:17,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:18:17,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057908434] [2023-05-20 15:18:17,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057908434] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 15:18:17,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186853814] [2023-05-20 15:18:17,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:18:17,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 15:18:17,520 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:18:17,521 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 15:18:17,521 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 15:18:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:18:17,620 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 38 conjunts are in the unsatisfiable core [2023-05-20 15:18:17,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 15:18:18,656 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 15:18:18,656 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 15:18:18,790 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 35 proven. 57 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2023-05-20 15:18:18,790 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 15:18:19,039 INFO L356 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2023-05-20 15:18:19,039 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 19 treesize of output 11 [2023-05-20 15:18:19,648 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2023-05-20 15:18:19,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1186853814] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 15:18:19,648 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 15:18:19,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 20, 20] total 55 [2023-05-20 15:18:19,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [435122192] [2023-05-20 15:18:19,649 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 15:18:19,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2023-05-20 15:18:19,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:18:19,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2023-05-20 15:18:19,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=2791, Unknown=0, NotChecked=0, Total=2970 [2023-05-20 15:18:19,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:18:19,650 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:18:19,650 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 8.218181818181819) internal successors, (452), 55 states have internal predecessors, (452), 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 15:18:19,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:18:19,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:18:19,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 15:18:19,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-05-20 15:18:19,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-05-20 15:18:19,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-20 15:18:19,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2023-05-20 15:18:19,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-05-20 15:18:19,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-05-20 15:18:19,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 258 states. [2023-05-20 15:18:19,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2023-05-20 15:18:19,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 125 states. [2023-05-20 15:18:19,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 165 states. [2023-05-20 15:18:19,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2023-05-20 15:18:19,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2023-05-20 15:18:19,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2023-05-20 15:18:19,651 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:18:30,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:18:30,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:18:30,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 15:18:30,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-05-20 15:18:30,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-05-20 15:18:30,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-20 15:18:30,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2023-05-20 15:18:30,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-20 15:18:30,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-20 15:18:30,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 258 states. [2023-05-20 15:18:30,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2023-05-20 15:18:30,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2023-05-20 15:18:30,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2023-05-20 15:18:30,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2023-05-20 15:18:30,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2023-05-20 15:18:30,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2023-05-20 15:18:30,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2023-05-20 15:18:30,867 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 15:18:31,052 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,SelfDestructingSolverStorable16 [2023-05-20 15:18:31,053 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 15:18:31,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:18:31,053 INFO L85 PathProgramCache]: Analyzing trace with hash 1145076411, now seen corresponding path program 2 times [2023-05-20 15:18:31,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:18:31,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549482562] [2023-05-20 15:18:31,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:18:31,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:18:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:18:32,471 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-05-20 15:18:32,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:18:32,471 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549482562] [2023-05-20 15:18:32,471 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [549482562] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 15:18:32,472 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489384391] [2023-05-20 15:18:32,472 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 15:18:32,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 15:18:32,472 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:18:32,473 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 15:18:32,474 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 15:18:32,570 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 15:18:32,570 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 15:18:32,572 INFO L263 TraceCheckSpWp]: Trace formula consists of 408 conjuncts, 42 conjunts are in the unsatisfiable core [2023-05-20 15:18:32,575 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 15:18:33,707 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 15 treesize of output 7 [2023-05-20 15:18:33,734 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 20 proven. 26 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-05-20 15:18:33,734 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 15:18:33,984 INFO L356 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2023-05-20 15:18:33,985 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 19 treesize of output 11 [2023-05-20 15:18:34,507 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 8 proven. 38 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-05-20 15:18:34,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489384391] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 15:18:34,508 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 15:18:34,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 25, 20] total 55 [2023-05-20 15:18:34,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877723489] [2023-05-20 15:18:34,508 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 15:18:34,508 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2023-05-20 15:18:34,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:18:34,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2023-05-20 15:18:34,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=265, Invalid=2705, Unknown=0, NotChecked=0, Total=2970 [2023-05-20 15:18:34,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:18:34,510 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:18:34,510 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 6.927272727272728) internal successors, (381), 55 states have internal predecessors, (381), 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 15:18:34,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:18:34,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:18:34,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 15:18:34,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-05-20 15:18:34,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-05-20 15:18:34,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-20 15:18:34,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2023-05-20 15:18:34,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-05-20 15:18:34,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-05-20 15:18:34,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 258 states. [2023-05-20 15:18:34,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 156 states. [2023-05-20 15:18:34,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 126 states. [2023-05-20 15:18:34,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 166 states. [2023-05-20 15:18:34,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2023-05-20 15:18:34,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 151 states. [2023-05-20 15:18:34,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 168 states. [2023-05-20 15:18:34,510 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 138 states. [2023-05-20 15:18:34,511 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:18:40,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:18:40,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:18:40,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 15:18:40,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-05-20 15:18:40,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-05-20 15:18:40,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-20 15:18:40,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2023-05-20 15:18:40,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-20 15:18:40,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-20 15:18:40,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 260 states. [2023-05-20 15:18:40,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2023-05-20 15:18:40,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2023-05-20 15:18:40,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2023-05-20 15:18:40,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2023-05-20 15:18:40,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2023-05-20 15:18:40,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2023-05-20 15:18:40,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2023-05-20 15:18:40,227 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-05-20 15:18:40,243 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 15:18:40,427 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-05-20 15:18:40,428 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 15:18:40,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:18:40,428 INFO L85 PathProgramCache]: Analyzing trace with hash 1016289728, now seen corresponding path program 1 times [2023-05-20 15:18:40,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:18:40,428 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1610716653] [2023-05-20 15:18:40,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:18:40,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:18:40,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:18:42,370 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 15:18:42,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:18:42,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1610716653] [2023-05-20 15:18:42,371 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1610716653] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 15:18:42,371 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [540881665] [2023-05-20 15:18:42,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:18:42,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 15:18:42,371 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:18:42,377 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 15:18:42,381 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 15:18:42,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:18:42,471 INFO L263 TraceCheckSpWp]: Trace formula consists of 371 conjuncts, 38 conjunts are in the unsatisfiable core [2023-05-20 15:18:42,473 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 15:18:43,502 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 15:18:43,502 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 10 [2023-05-20 15:18:43,524 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 19 proven. 36 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-05-20 15:18:43,524 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 15:18:43,753 INFO L356 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2023-05-20 15:18:43,754 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 19 treesize of output 11 [2023-05-20 15:18:44,285 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2023-05-20 15:18:44,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [540881665] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 15:18:44,285 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 15:18:44,285 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 20, 20] total 65 [2023-05-20 15:18:44,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2102596186] [2023-05-20 15:18:44,285 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 15:18:44,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2023-05-20 15:18:44,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:18:44,286 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2023-05-20 15:18:44,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=373, Invalid=3787, Unknown=0, NotChecked=0, Total=4160 [2023-05-20 15:18:44,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:18:44,287 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:18:44,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 6.138461538461539) internal successors, (399), 65 states have internal predecessors, (399), 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 15:18:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:18:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:18:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 15:18:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-05-20 15:18:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-05-20 15:18:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-20 15:18:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2023-05-20 15:18:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-05-20 15:18:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-05-20 15:18:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 260 states. [2023-05-20 15:18:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2023-05-20 15:18:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2023-05-20 15:18:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 167 states. [2023-05-20 15:18:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2023-05-20 15:18:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 153 states. [2023-05-20 15:18:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 170 states. [2023-05-20 15:18:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 139 states. [2023-05-20 15:18:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-05-20 15:18:44,288 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:18:55,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:18:55,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:18:55,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 15:18:55,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-05-20 15:18:55,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-05-20 15:18:55,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-20 15:18:55,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2023-05-20 15:18:55,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-20 15:18:55,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-20 15:18:55,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 264 states. [2023-05-20 15:18:55,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2023-05-20 15:18:55,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2023-05-20 15:18:55,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2023-05-20 15:18:55,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2023-05-20 15:18:55,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2023-05-20 15:18:55,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2023-05-20 15:18:55,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2023-05-20 15:18:55,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-05-20 15:18:55,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2023-05-20 15:18:55,484 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-05-20 15:18:55,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 15:18:55,670 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 15:18:55,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:18:55,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1969362687, now seen corresponding path program 3 times [2023-05-20 15:18:55,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:18:55,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432505154] [2023-05-20 15:18:55,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:18:55,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:18:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:18:58,027 INFO L134 CoverageAnalysis]: Checked inductivity of 922 backedges. 144 proven. 731 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-05-20 15:18:58,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:18:58,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432505154] [2023-05-20 15:18:58,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1432505154] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 15:18:58,027 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [615203451] [2023-05-20 15:18:58,027 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 15:18:58,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 15:18:58,028 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:18:58,028 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 15:18:58,031 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 15:18:58,220 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2023-05-20 15:18:58,220 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 15:18:58,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 49 conjunts are in the unsatisfiable core [2023-05-20 15:18:58,227 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 15:18:58,707 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-20 15:18:59,068 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 15:18:59,140 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 15:19:00,322 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-20 15:19:00,322 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 15:19:00,529 INFO L134 CoverageAnalysis]: Checked inductivity of 922 backedges. 252 proven. 143 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked. [2023-05-20 15:19:00,529 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 15:19:03,969 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_468 (Array Int Int)) (~x1~0 Int) (~x2~0 Int) (v_ArrVal_467 (Array Int Int))) (or (< ~x1~0 0) (<= c_~size~0 ~x1~0) (< ~x2~0 0) (<= c_~size~0 ~x2~0) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_467) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_468) c_~f~0.base))) (= (select .cse0 (+ (* ~x1~0 4) c_~f~0.offset)) (select .cse0 (+ c_~f~0.offset (* ~x2~0 4))))))) is different from false [2023-05-20 15:19:04,058 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_468 (Array Int Int)) (~x1~0 Int) (~x2~0 Int) (v_ArrVal_467 (Array Int Int))) (or (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_467) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_468) |c_ULTIMATE.start_main_#t~ret19#1.base|))) (= (select .cse0 (+ (* ~x1~0 4) |c_ULTIMATE.start_main_#t~ret19#1.offset|)) (select .cse0 (+ (* ~x2~0 4) |c_ULTIMATE.start_main_#t~ret19#1.offset|)))) (< ~x1~0 0) (<= c_~size~0 ~x1~0) (< ~x2~0 0) (<= c_~size~0 ~x2~0))) is different from false [2023-05-20 15:19:04,234 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_468 (Array Int Int)) (~x1~0 Int) (~x2~0 Int) (v_ArrVal_467 (Array Int Int))) (or (< ~x1~0 0) (<= c_~size~0 ~x1~0) (< ~x2~0 0) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_467) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_468) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (= (select .cse0 (+ (* ~x2~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (select .cse0 (+ (* ~x1~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))) (<= c_~size~0 ~x2~0))) is different from false [2023-05-20 15:19:04,614 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 15:19:04,614 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 55 treesize of output 44 [2023-05-20 15:19:04,621 INFO L356 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2023-05-20 15:19:04,622 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 94 treesize of output 85 [2023-05-20 15:19:04,627 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-05-20 15:19:04,627 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 78 treesize of output 54 [2023-05-20 15:19:04,633 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-05-20 15:19:04,634 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 20 [2023-05-20 15:19:04,889 INFO L134 CoverageAnalysis]: Checked inductivity of 922 backedges. 234 proven. 161 refuted. 0 times theorem prover too weak. 527 trivial. 0 not checked. [2023-05-20 15:19:04,889 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [615203451] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 15:19:04,889 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 15:19:04,890 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 29, 26] total 81 [2023-05-20 15:19:04,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [776516372] [2023-05-20 15:19:04,890 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 15:19:04,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 81 states [2023-05-20 15:19:04,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:19:04,891 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2023-05-20 15:19:04,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=316, Invalid=5677, Unknown=25, NotChecked=462, Total=6480 [2023-05-20 15:19:04,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:19:04,892 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:19:04,893 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 81 states, 81 states have (on average 9.222222222222221) internal successors, (747), 81 states have internal predecessors, (747), 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 15:19:04,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:19:04,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:19:04,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 15:19:04,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-05-20 15:19:04,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-05-20 15:19:04,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-20 15:19:04,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2023-05-20 15:19:04,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-05-20 15:19:04,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-05-20 15:19:04,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 264 states. [2023-05-20 15:19:04,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 162 states. [2023-05-20 15:19:04,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2023-05-20 15:19:04,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2023-05-20 15:19:04,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2023-05-20 15:19:04,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2023-05-20 15:19:04,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2023-05-20 15:19:04,893 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 142 states. [2023-05-20 15:19:04,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-05-20 15:19:04,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2023-05-20 15:19:04,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:21:04,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:21:04,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:21:04,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 15:21:04,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-05-20 15:21:04,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2023-05-20 15:21:04,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2023-05-20 15:21:04,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2023-05-20 15:21:04,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2023-05-20 15:21:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2023-05-20 15:21:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 266 states. [2023-05-20 15:21:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2023-05-20 15:21:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2023-05-20 15:21:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2023-05-20 15:21:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2023-05-20 15:21:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2023-05-20 15:21:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2023-05-20 15:21:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2023-05-20 15:21:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-05-20 15:21:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2023-05-20 15:21:04,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 312 states. [2023-05-20 15:21:04,696 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2023-05-20 15:21:04,881 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 15:21:04,882 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 15:21:04,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 15:21:04,882 INFO L85 PathProgramCache]: Analyzing trace with hash -509637182, now seen corresponding path program 2 times [2023-05-20 15:21:04,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 15:21:04,882 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623072212] [2023-05-20 15:21:04,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 15:21:04,882 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 15:21:04,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 15:21:06,661 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 273 proven. 433 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-05-20 15:21:06,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 15:21:06,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1623072212] [2023-05-20 15:21:06,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1623072212] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 15:21:06,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [642513161] [2023-05-20 15:21:06,661 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 15:21:06,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 15:21:06,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 15:21:06,662 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 15:21:06,663 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 15:21:06,796 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 15:21:06,796 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 15:21:06,799 INFO L263 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 86 conjunts are in the unsatisfiable core [2023-05-20 15:21:06,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 15:21:09,240 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 131 proven. 646 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 15:21:09,241 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 15:21:14,072 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 131 proven. 646 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 15:21:14,072 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [642513161] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 15:21:14,072 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 15:21:14,072 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 45, 45] total 115 [2023-05-20 15:21:14,072 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600453079] [2023-05-20 15:21:14,072 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 15:21:14,073 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2023-05-20 15:21:14,073 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 15:21:14,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2023-05-20 15:21:14,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=662, Invalid=12448, Unknown=0, NotChecked=0, Total=13110 [2023-05-20 15:21:14,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:21:14,075 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 15:21:14,076 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 7.3304347826086955) internal successors, (843), 115 states have internal predecessors, (843), 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 15:21:14,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:21:14,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2023-05-20 15:21:14,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 15:21:14,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-05-20 15:21:14,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 107 states. [2023-05-20 15:21:14,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 114 states. [2023-05-20 15:21:14,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 147 states. [2023-05-20 15:21:14,076 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2023-05-20 15:21:14,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2023-05-20 15:21:14,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 266 states. [2023-05-20 15:21:14,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 171 states. [2023-05-20 15:21:14,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 127 states. [2023-05-20 15:21:14,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 176 states. [2023-05-20 15:21:14,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 135 states. [2023-05-20 15:21:14,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 159 states. [2023-05-20 15:21:14,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 172 states. [2023-05-20 15:21:14,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 143 states. [2023-05-20 15:21:14,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-05-20 15:21:14,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 121 states. [2023-05-20 15:21:14,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 312 states. [2023-05-20 15:21:14,077 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 15:22:59,526 WARN L233 SmtUtils]: Spent 11.21s on a formula simplification. DAG size of input: 100 DAG size of output: 24 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 15:23:22,221 WARN L233 SmtUtils]: Spent 11.52s on a formula simplification. DAG size of input: 110 DAG size of output: 38 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 15:23:24,316 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-05-20 15:24:23,934 WARN L233 SmtUtils]: Spent 8.29s on a formula simplification. DAG size of input: 142 DAG size of output: 36 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 15:24:46,072 WARN L233 SmtUtils]: Spent 8.81s on a formula simplification. DAG size of input: 107 DAG size of output: 32 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-20 15:26:10,321 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Received shutdown request... [2023-05-20 15:26:23,134 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 15:26:23,134 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 15:26:23,134 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 15:26:23,269 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2023-05-20 15:26:23,455 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,SelfDestructingSolverStorable20 [2023-05-20 15:26:23,455 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 271 known predicates. [2023-05-20 15:26:23,457 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-20 15:26:23,457 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-20 15:26:23,457 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-20 15:26:23,461 INFO L444 BasicCegarLoop]: Path program histogram: [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-05-20 15:26:23,463 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 15:26:23,463 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 15:26:23,464 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 03:26:23 BasicIcfg [2023-05-20 15:26:23,464 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 15:26:23,465 INFO L158 Benchmark]: Toolchain (without parser) took 790758.98ms. Allocated memory was 229.6MB in the beginning and 1.0GB in the end (delta: 782.2MB). Free memory was 204.2MB in the beginning and 388.5MB in the end (delta: -184.3MB). Peak memory consumption was 597.5MB. Max. memory is 8.0GB. [2023-05-20 15:26:23,465 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 179.3MB. Free memory is still 132.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 15:26:23,465 INFO L158 Benchmark]: CACSL2BoogieTranslator took 220.24ms. Allocated memory is still 229.6MB. Free memory was 204.2MB in the beginning and 198.1MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-05-20 15:26:23,465 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.25ms. Allocated memory is still 229.6MB. Free memory was 197.9MB in the beginning and 196.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 15:26:23,465 INFO L158 Benchmark]: Boogie Preprocessor took 53.80ms. Allocated memory is still 229.6MB. Free memory was 195.5MB in the beginning and 193.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 15:26:23,466 INFO L158 Benchmark]: RCFGBuilder took 592.56ms. Allocated memory is still 229.6MB. Free memory was 193.9MB in the beginning and 175.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2023-05-20 15:26:23,466 INFO L158 Benchmark]: TraceAbstraction took 789844.08ms. Allocated memory was 229.6MB in the beginning and 1.0GB in the end (delta: 782.2MB). Free memory was 173.5MB in the beginning and 388.5MB in the end (delta: -215.0MB). Peak memory consumption was 568.3MB. Max. memory is 8.0GB. [2023-05-20 15:26:23,467 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 179.3MB. Free memory is still 132.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 220.24ms. Allocated memory is still 229.6MB. Free memory was 204.2MB in the beginning and 198.1MB in the end (delta: 6.1MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.25ms. Allocated memory is still 229.6MB. Free memory was 197.9MB in the beginning and 196.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 53.80ms. Allocated memory is still 229.6MB. Free memory was 195.5MB in the beginning and 193.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 592.56ms. Allocated memory is still 229.6MB. Free memory was 193.9MB in the beginning and 175.1MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * TraceAbstraction took 789844.08ms. Allocated memory was 229.6MB in the beginning and 1.0GB in the end (delta: 782.2MB). Free memory was 173.5MB in the beginning and 388.5MB in the end (delta: -215.0MB). Peak memory consumption was 568.3MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 244461, independent: 231547, independent conditional: 221382, independent unconditional: 10165, dependent: 12914, dependent conditional: 12905, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 231569, independent: 231547, independent conditional: 221382, independent unconditional: 10165, dependent: 22, dependent conditional: 13, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 231569, independent: 231547, independent conditional: 221382, independent unconditional: 10165, dependent: 22, dependent conditional: 13, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 231710, independent: 231547, independent conditional: 42, independent unconditional: 231505, dependent: 163, dependent conditional: 99, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 231710, independent: 231547, independent conditional: 42, independent unconditional: 231505, dependent: 163, dependent conditional: 42, dependent unconditional: 121, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 231710, independent: 231547, independent conditional: 42, independent unconditional: 231505, dependent: 163, dependent conditional: 42, dependent unconditional: 121, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7144, independent: 7120, independent conditional: 8, independent unconditional: 7112, dependent: 24, dependent conditional: 15, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7144, independent: 7111, independent conditional: 0, independent unconditional: 7111, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 33, independent: 9, independent conditional: 8, independent unconditional: 1, dependent: 24, dependent conditional: 15, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 33, independent: 9, independent conditional: 8, independent unconditional: 1, dependent: 24, dependent conditional: 15, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 124, independent: 58, independent conditional: 18, independent unconditional: 40, dependent: 67, dependent conditional: 30, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 231710, independent: 224427, independent conditional: 34, independent unconditional: 224393, dependent: 139, dependent conditional: 27, dependent unconditional: 112, unknown: 7144, unknown conditional: 23, unknown unconditional: 7121] , Statistics on independence cache: Total cache size (in pairs): 7144, Positive cache size: 7120, Positive conditional cache size: 8, Positive unconditional cache size: 7112, Negative cache size: 24, Negative conditional cache size: 15, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 57, Maximal queried relation: 6, Independence queries for same thread: 12892 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.4s, Number of persistent set computation: 3778, Number of trivial persistent sets: 3144, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10174, independent: 10165, independent conditional: 0, independent unconditional: 10165, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 244461, independent: 231547, independent conditional: 221382, independent unconditional: 10165, dependent: 12914, dependent conditional: 12905, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 231569, independent: 231547, independent conditional: 221382, independent unconditional: 10165, dependent: 22, dependent conditional: 13, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 231569, independent: 231547, independent conditional: 221382, independent unconditional: 10165, dependent: 22, dependent conditional: 13, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 231710, independent: 231547, independent conditional: 42, independent unconditional: 231505, dependent: 163, dependent conditional: 99, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 231710, independent: 231547, independent conditional: 42, independent unconditional: 231505, dependent: 163, dependent conditional: 42, dependent unconditional: 121, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 231710, independent: 231547, independent conditional: 42, independent unconditional: 231505, dependent: 163, dependent conditional: 42, dependent unconditional: 121, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7144, independent: 7120, independent conditional: 8, independent unconditional: 7112, dependent: 24, dependent conditional: 15, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7144, independent: 7111, independent conditional: 0, independent unconditional: 7111, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 33, independent: 9, independent conditional: 8, independent unconditional: 1, dependent: 24, dependent conditional: 15, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 33, independent: 9, independent conditional: 8, independent unconditional: 1, dependent: 24, dependent conditional: 15, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 124, independent: 58, independent conditional: 18, independent unconditional: 40, dependent: 67, dependent conditional: 30, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 231710, independent: 224427, independent conditional: 34, independent unconditional: 224393, dependent: 139, dependent conditional: 27, dependent unconditional: 112, unknown: 7144, unknown conditional: 23, unknown unconditional: 7121] , Statistics on independence cache: Total cache size (in pairs): 7144, Positive cache size: 7120, Positive conditional cache size: 8, Positive unconditional cache size: 7112, Negative cache size: 24, Negative conditional cache size: 15, Negative unconditional cache size: 9, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 57, Maximal queried relation: 6, Independence queries for same thread: 12892 - TimeoutResultAtElement [Line: 107]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 271 known predicates. - TimeoutResultAtElement [Line: 102]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 271 known predicates. - TimeoutResultAtElement [Line: 101]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 271 known predicates. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 338 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 789.7s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 682.4s, 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: 2636, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 99.8s InterpolantComputationTime, 9266 NumberOfCodeBlocks, 8965 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 13581 ConstructedInterpolants, 1619 QuantifiedInterpolants, 162829 SizeOfPredicates, 546 NumberOfNonLiveVariables, 7635 ConjunctsInSsa, 802 ConjunctsInUnsatCore, 58 InterpolantComputations, 3 PerfectInterpolantSequences, 6309/12627 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