/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/unroll-3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 16:09:13,402 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 16:09:13,404 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 16:09:13,440 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 16:09:13,441 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 16:09:13,446 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 16:09:13,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 16:09:13,451 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 16:09:13,452 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 16:09:13,457 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 16:09:13,458 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 16:09:13,460 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 16:09:13,460 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 16:09:13,462 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 16:09:13,463 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 16:09:13,464 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 16:09:13,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 16:09:13,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 16:09:13,468 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 16:09:13,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 16:09:13,474 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 16:09:13,475 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 16:09:13,477 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 16:09:13,478 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 16:09:13,485 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 16:09:13,486 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 16:09:13,486 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 16:09:13,487 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 16:09:13,488 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 16:09:13,489 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 16:09:13,489 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 16:09:13,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 16:09:13,491 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 16:09:13,492 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 16:09:13,493 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 16:09:13,493 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 16:09:13,494 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 16:09:13,494 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 16:09:13,494 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 16:09:13,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 16:09:13,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 16:09:13,496 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 16:09:13,526 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 16:09:13,527 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 16:09:13,527 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 16:09:13,527 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 16:09:13,528 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 16:09:13,529 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 16:09:13,529 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 16:09:13,529 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 16:09:13,529 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 16:09:13,530 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 16:09:13,530 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 16:09:13,530 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 16:09:13,531 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 16:09:13,531 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 16:09:13,531 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 16:09:13,531 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 16:09:13,531 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 16:09:13,531 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 16:09:13,531 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 16:09:13,532 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 16:09:13,532 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 16:09:13,532 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 16:09:13,532 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 16:09:13,532 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 16:09:13,532 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 16:09:13,532 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 16:09:13,533 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 16:09:13,533 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 16:09:13,533 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 16:09:13,533 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 16:09:13,533 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 16:09:13,533 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 16:09:13,534 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 16:09:13,534 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 16:09:13,534 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 16:09:13,534 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 16:09:13,534 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-04 16:09:13,790 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 16:09:13,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 16:09:13,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 16:09:13,821 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 16:09:13,822 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 16:09:13,823 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/unroll-3.wvr.c [2023-05-04 16:09:13,880 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcba7ce62/083b5073e5294ebb97efc8be319cd7ab/FLAG7839b0c2a [2023-05-04 16:09:14,307 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 16:09:14,308 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-3.wvr.c [2023-05-04 16:09:14,326 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcba7ce62/083b5073e5294ebb97efc8be319cd7ab/FLAG7839b0c2a [2023-05-04 16:09:14,347 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fcba7ce62/083b5073e5294ebb97efc8be319cd7ab [2023-05-04 16:09:14,350 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 16:09:14,353 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 16:09:14,356 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 16:09:14,356 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 16:09:14,359 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 16:09:14,359 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 04:09:14" (1/1) ... [2023-05-04 16:09:14,360 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@594ef176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:09:14, skipping insertion in model container [2023-05-04 16:09:14,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 04:09:14" (1/1) ... [2023-05-04 16:09:14,367 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 16:09:14,386 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 16:09:14,630 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-3.wvr.c[2500,2513] [2023-05-04 16:09:14,644 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 16:09:14,652 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 16:09:14,688 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-3.wvr.c[2500,2513] [2023-05-04 16:09:14,691 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 16:09:14,705 INFO L208 MainTranslator]: Completed translation [2023-05-04 16:09:14,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:09:14 WrapperNode [2023-05-04 16:09:14,706 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 16:09:14,708 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 16:09:14,708 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 16:09:14,708 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 16:09:14,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:09:14" (1/1) ... [2023-05-04 16:09:14,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:09:14" (1/1) ... [2023-05-04 16:09:14,760 INFO L138 Inliner]: procedures = 24, calls = 34, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 144 [2023-05-04 16:09:14,760 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 16:09:14,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 16:09:14,762 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 16:09:14,762 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 16:09:14,769 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:09:14" (1/1) ... [2023-05-04 16:09:14,770 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:09:14" (1/1) ... [2023-05-04 16:09:14,772 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:09:14" (1/1) ... [2023-05-04 16:09:14,777 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:09:14" (1/1) ... [2023-05-04 16:09:14,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:09:14" (1/1) ... [2023-05-04 16:09:14,801 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:09:14" (1/1) ... [2023-05-04 16:09:14,807 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:09:14" (1/1) ... [2023-05-04 16:09:14,808 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:09:14" (1/1) ... [2023-05-04 16:09:14,810 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 16:09:14,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 16:09:14,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 16:09:14,811 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 16:09:14,814 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:09:14" (1/1) ... [2023-05-04 16:09:14,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 16:09:14,832 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:09:14,846 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-04 16:09:14,853 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-04 16:09:14,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 16:09:14,883 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 16:09:14,883 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 16:09:14,883 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 16:09:14,883 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 16:09:14,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 16:09:14,883 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 16:09:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 16:09:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-04 16:09:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 16:09:14,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 16:09:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 16:09:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 16:09:14,885 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 16:09:14,989 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 16:09:14,991 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 16:09:15,353 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 16:09:15,362 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 16:09:15,362 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-04 16:09:15,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 04:09:15 BoogieIcfgContainer [2023-05-04 16:09:15,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 16:09:15,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 16:09:15,366 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 16:09:15,379 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 16:09:15,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 04:09:14" (1/3) ... [2023-05-04 16:09:15,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37c45503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 04:09:15, skipping insertion in model container [2023-05-04 16:09:15,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:09:14" (2/3) ... [2023-05-04 16:09:15,381 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@37c45503 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 04:09:15, skipping insertion in model container [2023-05-04 16:09:15,381 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 04:09:15" (3/3) ... [2023-05-04 16:09:15,382 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-3.wvr.c [2023-05-04 16:09:15,389 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 16:09:15,398 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 16:09:15,398 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 16:09:15,398 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 16:09:15,527 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 16:09:15,582 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 16:09:15,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 16:09:15,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:09:15,589 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-04 16:09:15,616 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-04 16:09:15,644 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 16:09:15,665 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 16:09:15,674 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;@40dec2b2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 16:09:15,674 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 16:09:15,853 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 16:09:15,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:09:15,857 INFO L85 PathProgramCache]: Analyzing trace with hash -1602932741, now seen corresponding path program 1 times [2023-05-04 16:09:15,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:09:15,867 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375928686] [2023-05-04 16:09:15,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:09:15,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:09:15,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:09:16,159 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 16:09:16,160 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:09:16,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375928686] [2023-05-04 16:09:16,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375928686] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 16:09:16,161 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 16:09:16,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 16:09:16,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422929701] [2023-05-04 16:09:16,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 16:09:16,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 16:09:16,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:09:16,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 16:09:16,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 16:09:16,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:09:16,187 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:09:16,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 67.0) internal successors, (134), 2 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 16:09:16,188 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:09:16,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:09:16,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 16:09:16,225 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 16:09:16,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:09:16,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1774791623, now seen corresponding path program 1 times [2023-05-04 16:09:16,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:09:16,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [679170051] [2023-05-04 16:09:16,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:09:16,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:09:16,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:09:16,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:09:16,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:09:16,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [679170051] [2023-05-04 16:09:16,804 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [679170051] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 16:09:16,804 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 16:09:16,804 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 16:09:16,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613273038] [2023-05-04 16:09:16,804 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 16:09:16,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 16:09:16,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:09:16,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 16:09:16,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-04 16:09:16,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:09:16,807 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:09:16,807 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 16:09:16,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:09:16,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:09:16,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:09:16,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 16:09:16,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 16:09:16,905 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 16:09:16,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:09:16,906 INFO L85 PathProgramCache]: Analyzing trace with hash -879358802, now seen corresponding path program 1 times [2023-05-04 16:09:16,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:09:16,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424241719] [2023-05-04 16:09:16,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:09:16,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:09:16,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:09:17,249 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:09:17,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:09:17,251 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424241719] [2023-05-04 16:09:17,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424241719] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 16:09:17,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 16:09:17,252 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-05-04 16:09:17,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377636492] [2023-05-04 16:09:17,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 16:09:17,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-04 16:09:17,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:09:17,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-04 16:09:17,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-05-04 16:09:17,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:09:17,258 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:09:17,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 8 states have internal predecessors, (96), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 16:09:17,258 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:09:17,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 16:09:17,263 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:09:17,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:09:17,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 16:09:17,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 16:09:17,386 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 16:09:17,386 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 16:09:17,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:09:17,389 INFO L85 PathProgramCache]: Analyzing trace with hash -1190976265, now seen corresponding path program 1 times [2023-05-04 16:09:17,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:09:17,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726555743] [2023-05-04 16:09:17,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:09:17,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:09:17,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:09:17,659 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 16:09:17,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:09:17,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726555743] [2023-05-04 16:09:17,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726555743] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 16:09:17,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 16:09:17,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 16:09:17,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836442829] [2023-05-04 16:09:17,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 16:09:17,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 16:09:17,661 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:09:17,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 16:09:17,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-05-04 16:09:17,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:09:17,662 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:09:17,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 16:09:17,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:09:17,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 16:09:17,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 16:09:17,662 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:09:17,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:09:17,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 16:09:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 16:09:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 16:09:17,862 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-04 16:09:17,862 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 16:09:17,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:09:17,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1543734078, now seen corresponding path program 1 times [2023-05-04 16:09:17,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:09:17,864 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699457953] [2023-05-04 16:09:17,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:09:17,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:09:17,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:09:18,117 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 16:09:18,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:09:18,118 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699457953] [2023-05-04 16:09:18,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699457953] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 16:09:18,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 16:09:18,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-04 16:09:18,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002269122] [2023-05-04 16:09:18,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 16:09:18,120 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-04 16:09:18,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:09:18,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-04 16:09:18,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-05-04 16:09:18,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:09:18,121 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:09:18,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 16:09:18,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:09:18,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 16:09:18,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 16:09:18,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 16:09:18,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:09:18,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:09:18,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 16:09:18,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 16:09:18,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 16:09:18,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 16:09:18,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-04 16:09:18,237 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 16:09:18,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:09:18,237 INFO L85 PathProgramCache]: Analyzing trace with hash 1192472774, now seen corresponding path program 1 times [2023-05-04 16:09:18,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:09:18,238 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758545338] [2023-05-04 16:09:18,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:09:18,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:09:18,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:09:18,893 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 25 proven. 50 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 16:09:18,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:09:18,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758545338] [2023-05-04 16:09:18,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758545338] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 16:09:18,894 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [154666220] [2023-05-04 16:09:18,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:09:18,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:09:18,894 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:09:18,901 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 16:09:18,938 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 16:09:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:09:19,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 30 conjunts are in the unsatisfiable core [2023-05-04 16:09:19,069 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 16:09:19,769 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 25 proven. 58 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 16:09:19,770 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 16:09:21,699 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 25 proven. 58 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 16:09:21,700 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [154666220] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 16:09:21,700 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 16:09:21,700 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 17, 17] total 39 [2023-05-04 16:09:21,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151204840] [2023-05-04 16:09:21,700 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 16:09:21,701 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 39 states [2023-05-04 16:09:21,701 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:09:21,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2023-05-04 16:09:21,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=1332, Unknown=0, NotChecked=0, Total=1482 [2023-05-04 16:09:21,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:09:21,703 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:09:21,704 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 39 states, 39 states have (on average 8.512820512820513) internal successors, (332), 39 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 16:09:21,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:09:21,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 16:09:21,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 16:09:21,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 16:09:21,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 16:09:21,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:09:22,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:09:22,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 16:09:22,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 16:09:22,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 16:09:22,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 16:09:22,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 16:09:23,001 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-04 16:09:23,189 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,SelfDestructingSolverStorable5 [2023-05-04 16:09:23,189 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 16:09:23,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:09:23,190 INFO L85 PathProgramCache]: Analyzing trace with hash 1508704054, now seen corresponding path program 2 times [2023-05-04 16:09:23,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:09:23,190 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563526019] [2023-05-04 16:09:23,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:09:23,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:09:23,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:09:24,141 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 61 proven. 152 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2023-05-04 16:09:24,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:09:24,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563526019] [2023-05-04 16:09:24,142 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563526019] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 16:09:24,142 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [972920099] [2023-05-04 16:09:24,142 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 16:09:24,142 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:09:24,143 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:09:24,144 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 16:09:24,163 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 16:09:24,292 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 16:09:24,292 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 16:09:24,296 INFO L263 TraceCheckSpWp]: Trace formula consists of 470 conjuncts, 55 conjunts are in the unsatisfiable core [2023-05-04 16:09:24,314 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 16:09:24,338 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 16:09:24,363 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2023-05-04 16:09:24,364 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 12 treesize of output 14 [2023-05-04 16:09:24,555 INFO L356 Elim1Store]: treesize reduction 16, result has 36.0 percent of original size [2023-05-04 16:09:24,555 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 16 treesize of output 18 [2023-05-04 16:09:24,663 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-04 16:09:24,937 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 16:09:25,002 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 16:09:26,120 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-04 16:09:26,121 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 10 [2023-05-04 16:09:26,281 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 64 proven. 99 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-05-04 16:09:26,282 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 16:09:29,174 WARN L833 $PredicateComparison]: unable to prove that (forall ((~x1~0 Int) (v_ArrVal_108 (Array Int Int)) (~x2~0 Int) (v_ArrVal_107 (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_107) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_108) 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 [2023-05-04 16:09:29,476 WARN L833 $PredicateComparison]: unable to prove that (forall ((~x1~0 Int) (v_ArrVal_108 (Array Int Int)) (~x2~0 Int) (v_ArrVal_107 (Array Int Int))) (or (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_107) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_108) |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|)))) (< ~x1~0 0) (<= c_~size~0 ~x1~0) (< ~x2~0 0) (<= c_~size~0 ~x2~0))) is different from false [2023-05-04 16:09:30,336 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 16:09:30,337 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 [2023-05-04 16:09:30,348 INFO L356 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2023-05-04 16:09:30,348 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 [2023-05-04 16:09:30,358 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-05-04 16:09:30,358 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 166 treesize of output 142 [2023-05-04 16:09:30,366 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-05-04 16:09:30,367 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 [2023-05-04 16:09:30,785 INFO L134 CoverageAnalysis]: Checked inductivity of 320 backedges. 41 proven. 122 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2023-05-04 16:09:30,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [972920099] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 16:09:30,785 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 16:09:30,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 29, 27] total 63 [2023-05-04 16:09:30,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740772940] [2023-05-04 16:09:30,786 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 16:09:30,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 63 states [2023-05-04 16:09:30,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:09:30,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2023-05-04 16:09:30,789 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=310, Invalid=3321, Unknown=37, NotChecked=238, Total=3906 [2023-05-04 16:09:30,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:09:30,789 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:09:30,790 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 63 states, 63 states have (on average 8.301587301587302) internal successors, (523), 63 states have internal predecessors, (523), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 16:09:30,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:09:30,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 16:09:30,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 16:09:30,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 16:09:30,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 16:09:30,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 16:09:30,790 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:09:35,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:09:35,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 16:09:35,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 16:09:35,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 16:09:35,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 16:09:35,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 16:09:35,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-05-04 16:09:35,040 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 16:09:35,229 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:09:35,229 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 16:09:35,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:09:35,230 INFO L85 PathProgramCache]: Analyzing trace with hash -422539077, now seen corresponding path program 3 times [2023-05-04 16:09:35,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:09:35,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85891530] [2023-05-04 16:09:35,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:09:35,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:09:35,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:09:36,745 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 118 proven. 301 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2023-05-04 16:09:36,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:09:36,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85891530] [2023-05-04 16:09:36,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85891530] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 16:09:36,746 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [802952139] [2023-05-04 16:09:36,746 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 16:09:36,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:09:36,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:09:36,749 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 16:09:36,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 16:09:39,207 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-05-04 16:09:39,208 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 16:09:39,214 INFO L263 TraceCheckSpWp]: Trace formula consists of 595 conjuncts, 78 conjunts are in the unsatisfiable core [2023-05-04 16:09:39,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 16:09:40,809 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 118 proven. 591 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 16:09:40,809 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 16:09:49,336 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 118 proven. 591 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 16:09:49,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [802952139] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 16:09:49,337 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 16:09:49,337 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 41, 41] total 89 [2023-05-04 16:09:49,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451980058] [2023-05-04 16:09:49,337 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 16:09:49,338 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 89 states [2023-05-04 16:09:49,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:09:49,339 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2023-05-04 16:09:49,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=654, Invalid=7177, Unknown=1, NotChecked=0, Total=7832 [2023-05-04 16:09:49,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:09:49,342 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:09:49,343 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 89 states, 89 states have (on average 7.561797752808989) internal successors, (673), 89 states have internal predecessors, (673), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 16:09:49,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:09:49,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 16:09:49,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 16:09:49,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 16:09:49,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 16:09:49,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 16:09:49,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2023-05-04 16:09:49,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:09:54,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:09:54,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 16:09:54,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 16:09:54,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 16:09:54,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 16:09:54,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 16:09:54,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-05-04 16:09:54,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-05-04 16:09:54,017 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-04 16:09:54,214 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:09:54,214 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 16:09:54,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:09:54,215 INFO L85 PathProgramCache]: Analyzing trace with hash 1452622559, now seen corresponding path program 4 times [2023-05-04 16:09:54,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:09:54,215 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61169812] [2023-05-04 16:09:54,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:09:54,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:09:54,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:09:57,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1262 backedges. 157 proven. 1096 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 16:09:57,739 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:09:57,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61169812] [2023-05-04 16:09:57,739 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61169812] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 16:09:57,739 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [368373492] [2023-05-04 16:09:57,739 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 16:09:57,739 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:09:57,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:09:57,740 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 16:09:57,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-04 16:09:58,008 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 16:09:58,008 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 16:09:58,012 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 102 conjunts are in the unsatisfiable core [2023-05-04 16:09:58,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 16:09:59,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1262 backedges. 157 proven. 1096 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 16:09:59,495 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 16:10:26,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1262 backedges. 157 proven. 1084 refuted. 12 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 16:10:26,669 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [368373492] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 16:10:26,669 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 16:10:26,669 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [54, 53, 53] total 110 [2023-05-04 16:10:26,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905148071] [2023-05-04 16:10:26,670 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 16:10:26,671 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 110 states [2023-05-04 16:10:26,671 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:10:26,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2023-05-04 16:10:26,674 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=862, Invalid=11124, Unknown=4, NotChecked=0, Total=11990 [2023-05-04 16:10:26,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:10:26,674 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:10:26,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 110 states, 110 states have (on average 6.963636363636364) internal successors, (766), 110 states have internal predecessors, (766), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 16:10:26,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:10:26,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 16:10:26,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 16:10:26,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 16:10:26,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 16:10:26,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2023-05-04 16:10:26,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 60 states. [2023-05-04 16:10:26,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 83 states. [2023-05-04 16:10:26,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:11:59,840 WARN L233 SmtUtils]: Spent 7.84s on a formula simplification. DAG size of input: 132 DAG size of output: 28 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 16:12:46,344 WARN L233 SmtUtils]: Spent 7.24s on a formula simplification. DAG size of input: 147 DAG size of output: 27 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 16:12:49,636 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse3 (mod (+ |c_thread2Thread1of1ForFork1_~i~1#1| 8) 4294967296)) (.cse11 (mod (+ 9 |c_thread2Thread1of1ForFork1_~i~1#1|) 4294967296)) (.cse6 (mod (+ |c_thread2Thread1of1ForFork1_~i~1#1| 6) 4294967296)) (.cse4 (mod (+ 7 |c_thread2Thread1of1ForFork1_~i~1#1|) 4294967296)) (.cse0 (mod (+ |c_thread2Thread1of1ForFork1_~i~1#1| 1) 4294967296)) (.cse15 (mod (+ |c_thread2Thread1of1ForFork1_~i~1#1| 11) 4294967296)) (.cse25 (mod (+ |c_thread2Thread1of1ForFork1_~i~1#1| 10) 4294967296)) (.cse22 (mod (+ |c_thread2Thread1of1ForFork1_~i~1#1| 12) 4294967296)) (.cse9 (mod (+ 5 |c_thread2Thread1of1ForFork1_~i~1#1|) 4294967296))) (and (forall ((~n~0 Int)) (let ((.cse1 (* 3 ~n~0))) (or (< .cse0 (mod .cse1 4294967296)) (<= (+ (* (div (+ 2 |c_thread1Thread1of1ForFork0_#t~post2#1|) 4294967296) 4294967296) .cse1) (+ (* 4294967296 (div .cse1 4294967296)) 2 |c_thread1Thread1of1ForFork0_#t~post2#1|))))) (forall ((~n~0 Int)) (let ((.cse2 (* 3 ~n~0))) (or (<= (+ (* 4294967296 (div (+ 7 |c_thread1Thread1of1ForFork0_~i~0#1|) 4294967296)) .cse2) (+ (* 4294967296 (div .cse2 4294967296)) 7 |c_thread1Thread1of1ForFork0_~i~0#1|)) (< .cse3 (mod .cse2 4294967296))))) (<= |c_thread1Thread1of1ForFork0_#t~post2#1| 10) (<= (+ |c_thread2Thread1of1ForFork1_~i~1#1| (* (div |c_thread1Thread1of1ForFork0_~i~0#1| 4294967296) 4294967296)) |c_thread1Thread1of1ForFork0_~i~0#1|) (forall ((~n~0 Int)) (let ((.cse5 (* 3 ~n~0))) (or (< .cse4 (mod .cse5 4294967296)) (<= (+ (* (div (+ 7 |c_thread1Thread1of1ForFork0_#t~post2#1|) 4294967296) 4294967296) .cse5) (+ (* 4294967296 (div .cse5 4294967296)) 7 |c_thread1Thread1of1ForFork0_#t~post2#1|))))) (<= |c_thread2Thread1of1ForFork1_#t~post6#1| |c_thread1Thread1of1ForFork0_#t~post2#1|) (forall ((~n~0 Int)) (let ((.cse7 (* 3 ~n~0))) (or (< .cse6 (mod .cse7 4294967296)) (<= (+ (* (div (+ 6 |c_thread1Thread1of1ForFork0_#t~post2#1|) 4294967296) 4294967296) .cse7) (+ (* 4294967296 (div .cse7 4294967296)) 6 |c_thread1Thread1of1ForFork0_#t~post2#1|))))) (<= 10 |c_thread2Thread1of1ForFork1_#t~post6#1|) (forall ((~n~0 Int)) (let ((.cse8 (* 3 ~n~0))) (or (< (mod (+ |c_thread2Thread1of1ForFork1_~i~1#1| 4) 4294967296) (mod .cse8 4294967296)) (<= (+ .cse8 (* (div (+ 4 |c_thread1Thread1of1ForFork0_#t~post2#1|) 4294967296) 4294967296)) (+ (* 4294967296 (div .cse8 4294967296)) 4 |c_thread1Thread1of1ForFork0_#t~post2#1|))))) (forall ((~n~0 Int)) (let ((.cse10 (* 3 ~n~0))) (or (< .cse9 (mod .cse10 4294967296)) (<= (+ .cse10 (* (div (+ |c_thread1Thread1of1ForFork0_~i~0#1| 4) 4294967296) 4294967296)) (+ (* 4294967296 (div .cse10 4294967296)) |c_thread1Thread1of1ForFork0_~i~0#1| 4))))) (forall ((~n~0 Int)) (let ((.cse12 (* 3 ~n~0))) (or (< .cse11 (mod .cse12 4294967296)) (<= (+ (* (div (+ 9 |c_thread1Thread1of1ForFork0_#t~post2#1|) 4294967296) 4294967296) .cse12) (+ (* 4294967296 (div .cse12 4294967296)) 9 |c_thread1Thread1of1ForFork0_#t~post2#1|))))) (forall ((~n~0 Int)) (let ((.cse13 (* 3 ~n~0))) (or (<= (+ (* (div (+ 8 |c_thread1Thread1of1ForFork0_#t~post2#1|) 4294967296) 4294967296) .cse13) (+ (* 4294967296 (div .cse13 4294967296)) 8 |c_thread1Thread1of1ForFork0_#t~post2#1|)) (< .cse3 (mod .cse13 4294967296))))) (forall ((~n~0 Int)) (let ((.cse14 (* 3 ~n~0))) (or (<= (+ (* 4294967296 (div (+ |c_thread1Thread1of1ForFork0_#t~post2#1| 11) 4294967296)) .cse14) (+ (* 4294967296 (div .cse14 4294967296)) |c_thread1Thread1of1ForFork0_#t~post2#1| 11)) (< .cse15 (mod .cse14 4294967296))))) (forall ((~n~0 Int)) (let ((.cse16 (* 3 ~n~0))) (or (< .cse11 (mod .cse16 4294967296)) (<= (+ (* (div (+ |c_thread1Thread1of1ForFork0_~i~0#1| 8) 4294967296) 4294967296) .cse16) (+ (* 4294967296 (div .cse16 4294967296)) |c_thread1Thread1of1ForFork0_~i~0#1| 8))))) (forall ((~n~0 Int)) (let ((.cse17 (* 3 ~n~0))) (or (<= (+ .cse17 (* (div (+ 5 |c_thread1Thread1of1ForFork0_~i~0#1|) 4294967296) 4294967296)) (+ (* 4294967296 (div .cse17 4294967296)) 5 |c_thread1Thread1of1ForFork0_~i~0#1|)) (< .cse6 (mod .cse17 4294967296))))) (forall ((~n~0 Int)) (let ((.cse18 (* 3 ~n~0))) (or (<= (+ (* 4294967296 (div (+ 6 |c_thread1Thread1of1ForFork0_~i~0#1|) 4294967296)) .cse18) (+ (* 4294967296 (div .cse18 4294967296)) 6 |c_thread1Thread1of1ForFork0_~i~0#1|)) (< .cse4 (mod .cse18 4294967296))))) (<= |c_thread1Thread1of1ForFork0_#t~post2#1| (+ 4294967294 (* 4294967296 (div (+ |c_thread1Thread1of1ForFork0_#t~post2#1| (- |c_thread2Thread1of1ForFork1_~i~1#1|) 1) 4294967296)))) (forall ((~n~0 Int)) (let ((.cse19 (* 3 ~n~0))) (or (<= (+ (* (div (+ |c_thread1Thread1of1ForFork0_~i~0#1| 1) 4294967296) 4294967296) .cse19) (+ (* 4294967296 (div .cse19 4294967296)) |c_thread1Thread1of1ForFork0_~i~0#1| 1)) (< .cse0 (mod .cse19 4294967296))))) (forall ((~n~0 Int)) (let ((.cse20 (* 3 ~n~0))) (or (< .cse15 (mod .cse20 4294967296)) (<= (+ (* (div (+ |c_thread1Thread1of1ForFork0_~i~0#1| 10) 4294967296) 4294967296) .cse20) (+ (* 4294967296 (div .cse20 4294967296)) |c_thread1Thread1of1ForFork0_~i~0#1| 10))))) (forall ((~n~0 Int)) (let ((.cse21 (* 3 ~n~0))) (or (<= (+ (* 4294967296 (div (+ |c_thread1Thread1of1ForFork0_~i~0#1| 11) 4294967296)) .cse21) (+ (* 4294967296 (div .cse21 4294967296)) |c_thread1Thread1of1ForFork0_~i~0#1| 11)) (< .cse22 (mod .cse21 4294967296))))) (forall ((~n~0 Int)) (let ((.cse23 (* 3 ~n~0))) (or (< (mod (+ |c_thread2Thread1of1ForFork1_~i~1#1| 3) 4294967296) (mod .cse23 4294967296)) (<= (+ (* (div (+ 3 |c_thread1Thread1of1ForFork0_#t~post2#1|) 4294967296) 4294967296) .cse23) (+ (* 4294967296 (div .cse23 4294967296)) 3 |c_thread1Thread1of1ForFork0_#t~post2#1|))))) (forall ((~n~0 Int)) (let ((.cse24 (* 3 ~n~0))) (or (<= (+ .cse24 (* (div (+ 10 |c_thread1Thread1of1ForFork0_#t~post2#1|) 4294967296) 4294967296)) (+ (* 4294967296 (div .cse24 4294967296)) 10 |c_thread1Thread1of1ForFork0_#t~post2#1|)) (< .cse25 (mod .cse24 4294967296))))) (forall ((~n~0 Int)) (let ((.cse26 (* 3 ~n~0))) (or (<= (+ (* (div (+ 9 |c_thread1Thread1of1ForFork0_~i~0#1|) 4294967296) 4294967296) .cse26) (+ (* 4294967296 (div .cse26 4294967296)) 9 |c_thread1Thread1of1ForFork0_~i~0#1|)) (< .cse25 (mod .cse26 4294967296))))) (forall ((~n~0 Int)) (let ((.cse27 (* 3 ~n~0))) (or (< .cse22 (mod .cse27 4294967296)) (<= (+ .cse27 (* (div (+ 12 |c_thread1Thread1of1ForFork0_#t~post2#1|) 4294967296) 4294967296)) (+ (* 4294967296 (div .cse27 4294967296)) 12 |c_thread1Thread1of1ForFork0_#t~post2#1|))))) (forall ((~n~0 Int)) (let ((.cse28 (* 3 ~n~0))) (or (< .cse9 (mod .cse28 4294967296)) (<= (+ (* 4294967296 (div (+ 5 |c_thread1Thread1of1ForFork0_#t~post2#1|) 4294967296)) .cse28) (+ (* 4294967296 (div .cse28 4294967296)) 5 |c_thread1Thread1of1ForFork0_#t~post2#1|))))) (not (<= (+ (div |c_thread2Thread1of1ForFork1_~i~1#1| 4294967296) 1) 0)))) is different from false [2023-05-04 16:14:30,262 WARN L233 SmtUtils]: Spent 6.07s on a formula simplification that was a NOOP. DAG size: 57 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-05-04 16:14:30,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:14:30,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 16:14:30,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 16:14:30,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 16:14:30,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 16:14:30,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2023-05-04 16:14:30,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2023-05-04 16:14:30,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2023-05-04 16:14:30,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2023-05-04 16:14:30,308 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-04 16:14:30,496 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:14:30,497 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 16:14:30,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:14:30,497 INFO L85 PathProgramCache]: Analyzing trace with hash 563808664, now seen corresponding path program 5 times [2023-05-04 16:14:30,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:14:30,497 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [470806183] [2023-05-04 16:14:30,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:14:30,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:14:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:15:14,810 INFO L134 CoverageAnalysis]: Checked inductivity of 1105 backedges. 0 proven. 1105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 16:15:14,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:15:14,810 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [470806183] [2023-05-04 16:15:14,811 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [470806183] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 16:15:14,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [64118543] [2023-05-04 16:15:14,811 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 16:15:14,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:15:14,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:15:14,812 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 16:15:14,812 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-04 16:15:18,419 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 13 check-sat command(s) [2023-05-04 16:15:18,419 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 16:15:18,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 688 conjuncts, 198 conjunts are in the unsatisfiable core [2023-05-04 16:15:18,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 16:15:36,299 INFO L356 Elim1Store]: treesize reduction 34, result has 30.6 percent of original size [2023-05-04 16:15:36,300 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 91 treesize of output 48 [2023-05-04 16:15:36,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1105 backedges. 84 proven. 929 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-05-04 16:15:36,672 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 16:18:39,650 WARN L233 SmtUtils]: Spent 34.03s on a formula simplification. DAG size of input: 1159 DAG size of output: 1123 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-05-04 16:18:39,654 INFO L356 Elim1Store]: treesize reduction 60, result has 97.5 percent of original size [2023-05-04 16:18:39,655 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 24 select indices, 24 select index equivalence classes, 0 disjoint index pairs (out of 276 index pairs), introduced 46 new quantified variables, introduced 276 case distinctions, treesize of input 1688 treesize of output 2592 [2023-05-04 16:20:57,109 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-04 16:20:59,180 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-04 16:21:12,006 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-04 16:21:13,782 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-04 16:21:16,283 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-04 16:21:19,198 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. Received shutdown request... [2023-05-04 16:22:49,306 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 16:22:49,306 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 16:22:49,308 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 16:22:49,338 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-04 16:22:49,340 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-04 16:22:49,346 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-04 16:22:49,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:22:49,541 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 415 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 34ms.. [2023-05-04 16:22:49,542 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-04 16:22:49,542 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-04 16:22:49,546 INFO L444 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1] [2023-05-04 16:22:49,549 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 16:22:49,549 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 16:22:49,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 04:22:49 BasicIcfg [2023-05-04 16:22:49,552 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 16:22:49,552 INFO L158 Benchmark]: Toolchain (without parser) took 815199.83ms. Allocated memory was 202.4MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 146.6MB in the beginning and 964.8MB in the end (delta: -818.2MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2023-05-04 16:22:49,553 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 202.4MB. Free memory is still 162.9MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 16:22:49,553 INFO L158 Benchmark]: CACSL2BoogieTranslator took 350.67ms. Allocated memory is still 202.4MB. Free memory was 146.3MB in the beginning and 175.9MB in the end (delta: -29.6MB). Peak memory consumption was 11.8MB. Max. memory is 8.0GB. [2023-05-04 16:22:49,553 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.57ms. Allocated memory is still 202.4MB. Free memory was 175.9MB in the beginning and 174.2MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 16:22:49,554 INFO L158 Benchmark]: Boogie Preprocessor took 48.71ms. Allocated memory is still 202.4MB. Free memory was 174.2MB in the beginning and 172.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 16:22:49,554 INFO L158 Benchmark]: RCFGBuilder took 553.36ms. Allocated memory is still 202.4MB. Free memory was 172.4MB in the beginning and 155.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2023-05-04 16:22:49,554 INFO L158 Benchmark]: TraceAbstraction took 814186.01ms. Allocated memory was 202.4MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 154.5MB in the beginning and 964.8MB in the end (delta: -810.3MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. [2023-05-04 16:22:49,556 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 202.4MB. Free memory is still 162.9MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 350.67ms. Allocated memory is still 202.4MB. Free memory was 146.3MB in the beginning and 175.9MB in the end (delta: -29.6MB). Peak memory consumption was 11.8MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 52.57ms. Allocated memory is still 202.4MB. Free memory was 175.9MB in the beginning and 174.2MB in the end (delta: 1.7MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 48.71ms. Allocated memory is still 202.4MB. Free memory was 174.2MB in the beginning and 172.4MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 553.36ms. Allocated memory is still 202.4MB. Free memory was 172.4MB in the beginning and 155.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 814186.01ms. Allocated memory was 202.4MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 154.5MB in the beginning and 964.8MB in the end (delta: -810.3MB). Peak memory consumption was 1.2GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8475, independent: 7279, independent conditional: 2300, independent unconditional: 4979, dependent: 1196, dependent conditional: 1189, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7286, independent: 7279, independent conditional: 2300, independent unconditional: 4979, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7286, independent: 7279, independent conditional: 2300, independent unconditional: 4979, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7286, independent: 7279, independent conditional: 0, independent unconditional: 7279, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7286, independent: 7279, independent conditional: 0, independent unconditional: 7279, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7286, independent: 7279, independent conditional: 0, independent unconditional: 7279, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3162, independent: 3155, independent conditional: 0, independent unconditional: 3155, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3162, independent: 3154, independent conditional: 0, independent unconditional: 3154, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7286, independent: 4124, independent conditional: 0, independent unconditional: 4124, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 3162, unknown conditional: 0, unknown unconditional: 3162] , Statistics on independence cache: Total cache size (in pairs): 3162, Positive cache size: 3155, Positive conditional cache size: 0, Positive unconditional cache size: 3155, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1189 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 558, Number of trivial persistent sets: 195, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 4986, independent: 4979, independent conditional: 0, independent unconditional: 4979, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8475, independent: 7279, independent conditional: 2300, independent unconditional: 4979, dependent: 1196, dependent conditional: 1189, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7286, independent: 7279, independent conditional: 2300, independent unconditional: 4979, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7286, independent: 7279, independent conditional: 2300, independent unconditional: 4979, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7286, independent: 7279, independent conditional: 0, independent unconditional: 7279, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7286, independent: 7279, independent conditional: 0, independent unconditional: 7279, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7286, independent: 7279, independent conditional: 0, independent unconditional: 7279, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3162, independent: 3155, independent conditional: 0, independent unconditional: 3155, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3162, independent: 3154, independent conditional: 0, independent unconditional: 3154, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 66, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 32, dependent conditional: 0, dependent unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7286, independent: 4124, independent conditional: 0, independent unconditional: 4124, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 3162, unknown conditional: 0, unknown unconditional: 3162] , Statistics on independence cache: Total cache size (in pairs): 3162, Positive cache size: 3155, Positive conditional cache size: 0, Positive unconditional cache size: 3155, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 1189 - TimeoutResultAtElement [Line: 91]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 415 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 34ms.. - TimeoutResultAtElement [Line: 85]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 415 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 34ms.. - TimeoutResultAtElement [Line: 86]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 415 with TraceHistMax 12,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 4 for 34ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 235 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 813.9s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 254.5s, 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: 319, 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: 0.1s SsaConstructionTime, 3.3s SatisfiabilityAnalysisTime, 55.5s InterpolantComputationTime, 3058 NumberOfCodeBlocks, 3058 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 4279 ConstructedInterpolants, 856 QuantifiedInterpolants, 44661 SizeOfPredicates, 141 NumberOfNonLiveVariables, 2130 ConjunctsInSsa, 265 ConjunctsInUnsatCore, 17 InterpolantComputations, 5 PerfectInterpolantSequences, 1847/7157 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