/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/unroll-2.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 18:54:22,523 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 18:54:22,524 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 18:54:22,540 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 18:54:22,540 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 18:54:22,541 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 18:54:22,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 18:54:22,543 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 18:54:22,544 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 18:54:22,544 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 18:54:22,545 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 18:54:22,545 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 18:54:22,546 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 18:54:22,546 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 18:54:22,547 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 18:54:22,547 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 18:54:22,548 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 18:54:22,549 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 18:54:22,549 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 18:54:22,551 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 18:54:22,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 18:54:22,552 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 18:54:22,553 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 18:54:22,553 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 18:54:22,555 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 18:54:22,556 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 18:54:22,556 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 18:54:22,556 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 18:54:22,556 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 18:54:22,557 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 18:54:22,557 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 18:54:22,558 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 18:54:22,558 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 18:54:22,559 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 18:54:22,559 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 18:54:22,559 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 18:54:22,560 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 18:54:22,560 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 18:54:22,560 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 18:54:22,561 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 18:54:22,561 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 18:54:22,562 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 18:54:22,574 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 18:54:22,575 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 18:54:22,575 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 18:54:22,575 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 18:54:22,575 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 18:54:22,575 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 18:54:22,576 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 18:54:22,576 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 18:54:22,576 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 18:54:22,576 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 18:54:22,576 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 18:54:22,576 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 18:54:22,576 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 18:54:22,577 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 18:54:22,577 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 18:54:22,577 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 18:54:22,577 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 18:54:22,577 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 18:54:22,577 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 18:54:22,577 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 18:54:22,577 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 18:54:22,577 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 18:54:22,578 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 18:54:22,578 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 18:54:22,578 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 18:54:22,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 18:54:22,578 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 18:54:22,578 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 18:54:22,578 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 18:54:22,578 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 18:54:22,578 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 18:54:22,579 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 18:54:22,579 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 18:54:22,579 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 18:54:22,579 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 18:54:22,579 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 18:54:22,579 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-04 18:54:22,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 18:54:22,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 18:54:22,767 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 18:54:22,768 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 18:54:22,768 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 18:54:22,769 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/unroll-2.wvr.c [2023-05-04 18:54:22,810 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06375f16a/82aaee28b4684dcb8afad7fe95b70b7f/FLAGf314a3a62 [2023-05-04 18:54:23,151 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 18:54:23,151 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-2.wvr.c [2023-05-04 18:54:23,155 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06375f16a/82aaee28b4684dcb8afad7fe95b70b7f/FLAGf314a3a62 [2023-05-04 18:54:23,175 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/06375f16a/82aaee28b4684dcb8afad7fe95b70b7f [2023-05-04 18:54:23,178 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 18:54:23,180 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 18:54:23,183 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 18:54:23,183 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 18:54:23,185 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 18:54:23,189 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 06:54:23" (1/1) ... [2023-05-04 18:54:23,195 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6192a10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:54:23, skipping insertion in model container [2023-05-04 18:54:23,195 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 06:54:23" (1/1) ... [2023-05-04 18:54:23,201 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 18:54:23,225 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 18:54:23,414 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-2.wvr.c[2428,2441] [2023-05-04 18:54:23,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 18:54:23,422 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 18:54:23,433 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-2.wvr.c[2428,2441] [2023-05-04 18:54:23,435 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 18:54:23,442 INFO L208 MainTranslator]: Completed translation [2023-05-04 18:54:23,443 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:54:23 WrapperNode [2023-05-04 18:54:23,443 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 18:54:23,443 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 18:54:23,443 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 18:54:23,443 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 18:54:23,448 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:54:23" (1/1) ... [2023-05-04 18:54:23,452 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:54:23" (1/1) ... [2023-05-04 18:54:23,465 INFO L138 Inliner]: procedures = 24, calls = 32, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 134 [2023-05-04 18:54:23,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 18:54:23,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 18:54:23,465 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 18:54:23,465 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 18:54:23,476 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:54:23" (1/1) ... [2023-05-04 18:54:23,477 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:54:23" (1/1) ... [2023-05-04 18:54:23,479 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:54:23" (1/1) ... [2023-05-04 18:54:23,479 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:54:23" (1/1) ... [2023-05-04 18:54:23,483 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:54:23" (1/1) ... [2023-05-04 18:54:23,486 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:54:23" (1/1) ... [2023-05-04 18:54:23,487 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:54:23" (1/1) ... [2023-05-04 18:54:23,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:54:23" (1/1) ... [2023-05-04 18:54:23,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 18:54:23,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 18:54:23,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 18:54:23,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 18:54:23,490 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:54:23" (1/1) ... [2023-05-04 18:54:23,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 18:54:23,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 18:54:23,524 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 18:54:23,526 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 18:54:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 18:54:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 18:54:23,547 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 18:54:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 18:54:23,547 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 18:54:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 18:54:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 18:54:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 18:54:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-04 18:54:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 18:54:23,547 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 18:54:23,547 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 18:54:23,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 18:54:23,548 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 18:54:23,612 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 18:54:23,613 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 18:54:23,784 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 18:54:23,790 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 18:54:23,791 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-04 18:54:23,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 06:54:23 BoogieIcfgContainer [2023-05-04 18:54:23,792 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 18:54:23,794 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 18:54:23,794 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 18:54:23,801 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 18:54:23,801 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 06:54:23" (1/3) ... [2023-05-04 18:54:23,801 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b6a75a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 06:54:23, skipping insertion in model container [2023-05-04 18:54:23,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:54:23" (2/3) ... [2023-05-04 18:54:23,802 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b6a75a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 06:54:23, skipping insertion in model container [2023-05-04 18:54:23,802 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 06:54:23" (3/3) ... [2023-05-04 18:54:23,803 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-2.wvr.c [2023-05-04 18:54:23,808 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 18:54:23,814 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 18:54:23,814 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 18:54:23,814 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 18:54:23,867 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 18:54:23,894 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 18:54:23,894 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 18:54:23,895 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 18:54:23,896 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 18:54:23,910 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 18:54:23,931 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 18:54:23,942 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 18:54:23,946 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;@7572c2cd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 18:54:23,946 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 18:54:24,060 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 18:54:24,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 18:54:24,064 INFO L85 PathProgramCache]: Analyzing trace with hash 715318502, now seen corresponding path program 1 times [2023-05-04 18:54:24,070 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 18:54:24,070 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [383117858] [2023-05-04 18:54:24,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 18:54:24,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 18:54:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 18:54:24,295 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 18:54:24,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 18:54:24,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [383117858] [2023-05-04 18:54:24,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [383117858] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 18:54:24,298 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 18:54:24,298 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 18:54:24,299 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142714088] [2023-05-04 18:54:24,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 18:54:24,304 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 18:54:24,304 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 18:54:24,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 18:54:24,320 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 18:54:24,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:54:24,321 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 18:54:24,322 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 61.0) internal successors, (122), 2 states have internal predecessors, (122), 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 18:54:24,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:54:24,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:54:24,388 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 18:54:24,388 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 18:54:24,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 18:54:24,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1134769642, now seen corresponding path program 1 times [2023-05-04 18:54:24,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 18:54:24,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781479681] [2023-05-04 18:54:24,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 18:54:24,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 18:54:24,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 18:54:24,892 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 18:54:24,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 18:54:24,893 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781479681] [2023-05-04 18:54:24,893 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781479681] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 18:54:24,893 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 18:54:24,893 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-04 18:54:24,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918433304] [2023-05-04 18:54:24,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 18:54:24,898 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-04 18:54:24,898 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 18:54:24,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-04 18:54:24,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-05-04 18:54:24,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:54:24,900 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 18:54:24,900 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 24.2) internal successors, (121), 5 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 18:54:24,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:54:24,901 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:54:24,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:54:24,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 18:54:24,970 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 18:54:24,970 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 18:54:24,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 18:54:24,970 INFO L85 PathProgramCache]: Analyzing trace with hash -1194140714, now seen corresponding path program 1 times [2023-05-04 18:54:24,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 18:54:24,971 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599419586] [2023-05-04 18:54:24,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 18:54:24,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 18:54:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 18:54:25,153 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 18:54:25,153 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 18:54:25,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599419586] [2023-05-04 18:54:25,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599419586] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 18:54:25,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 18:54:25,155 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-05-04 18:54:25,155 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818773563] [2023-05-04 18:54:25,155 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 18:54:25,156 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-04 18:54:25,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 18:54:25,159 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-04 18:54:25,159 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-05-04 18:54:25,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:54:25,160 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 18:54:25,160 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 18:54:25,160 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:54:25,162 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 18:54:25,163 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:54:25,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:54:25,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 18:54:25,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:54:25,257 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 18:54:25,257 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 18:54:25,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 18:54:25,260 INFO L85 PathProgramCache]: Analyzing trace with hash 760967812, now seen corresponding path program 1 times [2023-05-04 18:54:25,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 18:54:25,261 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211876933] [2023-05-04 18:54:25,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 18:54:25,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 18:54:25,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 18:54:25,425 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 18:54:25,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 18:54:25,426 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211876933] [2023-05-04 18:54:25,428 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211876933] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 18:54:25,429 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 18:54:25,429 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 18:54:25,429 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [687315391] [2023-05-04 18:54:25,429 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 18:54:25,430 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 18:54:25,430 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 18:54:25,430 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 18:54:25,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-05-04 18:54:25,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:54:25,431 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 18:54:25,431 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 18:54:25,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:54:25,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 18:54:25,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:54:25,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:54:25,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:54:25,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 18:54:25,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:54:25,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:54:25,560 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-04 18:54:25,560 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 18:54:25,561 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 18:54:25,561 INFO L85 PathProgramCache]: Analyzing trace with hash -1780592453, now seen corresponding path program 1 times [2023-05-04 18:54:25,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 18:54:25,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806803382] [2023-05-04 18:54:25,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 18:54:25,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 18:54:25,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 18:54:25,752 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 18:54:25,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 18:54:25,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806803382] [2023-05-04 18:54:25,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806803382] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 18:54:25,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 18:54:25,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-04 18:54:25,752 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221383410] [2023-05-04 18:54:25,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 18:54:25,753 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-04 18:54:25,753 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 18:54:25,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-04 18:54:25,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-05-04 18:54:25,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:54:25,754 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 18:54:25,754 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 18:54:25,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:54:25,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 18:54:25,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:54:25,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:54:25,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:54:25,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:54:25,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 18:54:25,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:54:25,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:54:25,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 18:54:25,824 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-04 18:54:25,824 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 18:54:25,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 18:54:25,826 INFO L85 PathProgramCache]: Analyzing trace with hash -576725981, now seen corresponding path program 1 times [2023-05-04 18:54:25,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 18:54:25,826 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1974917179] [2023-05-04 18:54:25,826 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 18:54:25,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 18:54:25,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 18:54:26,247 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 18:54:26,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 18:54:26,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1974917179] [2023-05-04 18:54:26,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1974917179] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 18:54:26,248 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2040693095] [2023-05-04 18:54:26,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 18:54:26,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 18:54:26,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 18:54:26,249 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 18:54:26,359 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 18:54:26,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 18:54:26,415 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-04 18:54:26,420 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 18:54:26,695 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 18:54:26,695 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 18:54:27,099 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 27 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 18:54:27,100 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2040693095] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 18:54:27,100 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 18:54:27,100 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 13, 13] total 33 [2023-05-04 18:54:27,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98191648] [2023-05-04 18:54:27,100 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 18:54:27,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2023-05-04 18:54:27,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 18:54:27,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2023-05-04 18:54:27,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=923, Unknown=0, NotChecked=0, Total=1056 [2023-05-04 18:54:27,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:54:27,102 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 18:54:27,102 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 33 states have (on average 8.181818181818182) internal successors, (270), 33 states have internal predecessors, (270), 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 18:54:27,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:54:27,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 18:54:27,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:54:27,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:54:27,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 18:54:27,102 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:54:27,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:54:27,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 18:54:27,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:54:27,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:54:27,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 18:54:27,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 18:54:27,942 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 18:54:28,116 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 18:54:28,116 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 18:54:28,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 18:54:28,117 INFO L85 PathProgramCache]: Analyzing trace with hash -2013766591, now seen corresponding path program 2 times [2023-05-04 18:54:28,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 18:54:28,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [61582960] [2023-05-04 18:54:28,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 18:54:28,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 18:54:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 18:54:28,869 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 53 proven. 109 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 18:54:28,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 18:54:28,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [61582960] [2023-05-04 18:54:28,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [61582960] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 18:54:28,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [913888776] [2023-05-04 18:54:28,870 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 18:54:28,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 18:54:28,870 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 18:54:28,872 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 18:54:28,885 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 18:54:28,982 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 18:54:28,982 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 18:54:28,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 396 conjuncts, 50 conjunts are in the unsatisfiable core [2023-05-04 18:54:28,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 18:54:29,317 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-04 18:54:29,585 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 18:54:29,633 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 18:54:30,484 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-04 18:54:30,484 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 10 [2023-05-04 18:54:30,621 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 57 proven. 52 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-05-04 18:54:30,621 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 18:54:32,309 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_106 (Array Int Int)) (v_ArrVal_105 (Array Int Int)) (~x1~0 Int) (~x2~0 Int)) (or (< ~x1~0 0) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_105) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_106) 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 ~x1~0) (< ~x2~0 0) (<= c_~size~0 ~x2~0))) is different from false [2023-05-04 18:54:32,413 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_106 (Array Int Int)) (v_ArrVal_105 (Array Int Int)) (~x1~0 Int) (~x2~0 Int)) (or (< ~x1~0 0) (<= c_~size~0 ~x1~0) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_105) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_106) |c_ULTIMATE.start_main_#t~ret9#1.base|))) (= (select .cse0 (+ (* ~x2~0 4) |c_ULTIMATE.start_main_#t~ret9#1.offset|)) (select .cse0 (+ (* ~x1~0 4) |c_ULTIMATE.start_main_#t~ret9#1.offset|)))) (< ~x2~0 0) (<= c_~size~0 ~x2~0))) is different from false [2023-05-04 18:54:32,546 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_106 (Array Int Int)) (v_ArrVal_105 (Array Int Int)) (~x1~0 Int) (~x2~0 Int)) (or (< ~x1~0 0) (<= c_~size~0 ~x1~0) (< ~x2~0 0) (<= c_~size~0 ~x2~0) (let ((.cse0 (select (store (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_105) |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_106) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|))) (= (select .cse0 (+ (* ~x2~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)) (select .cse0 (+ (* ~x1~0 4) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))))) is different from false [2023-05-04 18:54:32,854 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 18:54:32,854 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 18:54:32,862 INFO L356 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2023-05-04 18:54:32,863 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 18:54:32,870 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-05-04 18:54:32,870 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 18:54:32,876 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-05-04 18:54:32,877 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 18:54:33,081 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 48 proven. 61 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-05-04 18:54:33,081 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [913888776] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 18:54:33,081 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 18:54:33,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 29, 26] total 69 [2023-05-04 18:54:33,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59208282] [2023-05-04 18:54:33,082 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 18:54:33,082 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 69 states [2023-05-04 18:54:33,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 18:54:33,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2023-05-04 18:54:33,084 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=289, Invalid=3989, Unknown=24, NotChecked=390, Total=4692 [2023-05-04 18:54:33,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:54:33,084 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 18:54:33,085 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 69 states, 69 states have (on average 7.304347826086956) internal successors, (504), 69 states have internal predecessors, (504), 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 18:54:33,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:54:33,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 18:54:33,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:54:33,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:54:33,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 18:54:33,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 18:54:33,085 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:54:35,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:54:35,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 18:54:35,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:54:35,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:54:35,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 18:54:35,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2023-05-04 18:54:35,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2023-05-04 18:54:35,463 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 18:54:35,638 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 18:54:35,639 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 18:54:35,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 18:54:35,639 INFO L85 PathProgramCache]: Analyzing trace with hash -228531730, now seen corresponding path program 3 times [2023-05-04 18:54:35,639 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 18:54:35,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49718289] [2023-05-04 18:54:35,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 18:54:35,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 18:54:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 18:54:40,879 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 18:54:40,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 18:54:40,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49718289] [2023-05-04 18:54:40,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49718289] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 18:54:40,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1260694177] [2023-05-04 18:54:40,882 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 18:54:40,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 18:54:40,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 18:54:40,901 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 18:54:40,902 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 18:54:41,158 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-05-04 18:54:41,158 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 18:54:41,161 INFO L263 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 83 conjunts are in the unsatisfiable core [2023-05-04 18:54:41,165 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 18:54:41,748 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-04 18:54:42,173 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 18:54:42,265 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 18:54:43,358 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 18:54:43,359 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 77 treesize of output 76 [2023-05-04 18:54:43,405 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 0 proven. 118 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 18:54:43,405 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 18:54:45,844 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 18:54:45,845 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 322 treesize of output 190 [2023-05-04 18:54:46,204 INFO L356 Elim1Store]: treesize reduction 5, result has 98.2 percent of original size [2023-05-04 18:54:46,204 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 14 new quantified variables, introduced 28 case distinctions, treesize of input 904 treesize of output 1031 [2023-05-04 18:54:46,249 INFO L173 IndexEqualityManager]: detected equality via solver [2023-05-04 18:54:46,454 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 18:54:46,454 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 1 disjoint index pairs (out of 28 index pairs), introduced 14 new quantified variables, introduced 27 case distinctions, treesize of input 358 treesize of output 526 [2023-05-04 18:54:46,980 INFO L356 Elim1Store]: treesize reduction 12, result has 95.7 percent of original size [2023-05-04 18:54:46,980 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 14 new quantified variables, introduced 28 case distinctions, treesize of input 568 treesize of output 592 [2023-05-04 18:55:48,393 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 12 proven. 106 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 18:55:48,393 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1260694177] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 18:55:48,393 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 18:55:48,394 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [56, 42, 38] total 115 [2023-05-04 18:55:48,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754881360] [2023-05-04 18:55:48,394 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 18:55:48,394 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2023-05-04 18:55:48,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 18:55:48,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2023-05-04 18:55:48,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1186, Invalid=11884, Unknown=40, NotChecked=0, Total=13110 [2023-05-04 18:55:48,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:55:48,398 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 18:55:48,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 115 states have (on average 4.565217391304348) internal successors, (525), 115 states have internal predecessors, (525), 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 18:55:48,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:55:48,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 18:55:48,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:55:48,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:55:48,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 18:55:48,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2023-05-04 18:55:48,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2023-05-04 18:55:48,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:55:53,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:55:53,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 18:55:53,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:55:53,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:55:53,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 18:55:53,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 18:55:53,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-04 18:55:53,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-05-04 18:55:53,282 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-05-04 18:55:53,479 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 18:55:53,479 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 18:55:53,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 18:55:53,480 INFO L85 PathProgramCache]: Analyzing trace with hash -489997156, now seen corresponding path program 4 times [2023-05-04 18:55:53,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 18:55:53,480 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903235945] [2023-05-04 18:55:53,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 18:55:53,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 18:55:53,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 18:59:02,746 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 0 proven. 303 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 18:59:02,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 18:59:02,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903235945] [2023-05-04 18:59:02,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903235945] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 18:59:02,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1493373842] [2023-05-04 18:59:02,747 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-04 18:59:02,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 18:59:02,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 18:59:02,748 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 18:59:02,749 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 18:59:02,905 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-04 18:59:02,905 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 18:59:02,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 133 conjunts are in the unsatisfiable core [2023-05-04 18:59:02,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 18:59:15,045 INFO L356 Elim1Store]: treesize reduction 40, result has 66.9 percent of original size [2023-05-04 18:59:15,046 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 185 treesize of output 140 [2023-05-04 18:59:15,505 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 0 proven. 303 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 18:59:15,505 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 18:59:43,385 INFO L356 Elim1Store]: treesize reduction 30, result has 95.1 percent of original size [2023-05-04 18:59:43,385 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 22 new quantified variables, introduced 66 case distinctions, treesize of input 618 treesize of output 720 [2023-05-04 18:59:57,375 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-05-04 19:00:06,283 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-05-04 19:00:35,725 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-04 19:00:55,335 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 17 proven. 286 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 19:00:55,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1493373842] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 19:00:55,338 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 19:00:55,338 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [81, 71, 70] total 209 [2023-05-04 19:00:55,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693180976] [2023-05-04 19:00:55,338 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 19:00:55,339 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 209 states [2023-05-04 19:00:55,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 19:00:55,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 209 interpolants. [2023-05-04 19:00:55,371 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3243, Invalid=40229, Unknown=0, NotChecked=0, Total=43472 [2023-05-04 19:00:55,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:00:55,371 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 19:00:55,372 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 209 states, 209 states have (on average 3.61244019138756) internal successors, (755), 209 states have internal predecessors, (755), 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 19:00:55,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:00:55,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2023-05-04 19:00:55,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 19:00:55,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 19:00:55,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 19:00:55,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-04 19:00:55,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2023-05-04 19:00:55,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2023-05-04 19:00:55,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:01:34,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 19:01:34,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-05-04 19:01:34,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 19:01:34,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 19:01:34,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 19:01:34,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-04 19:01:34,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2023-05-04 19:01:34,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2023-05-04 19:01:34,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2023-05-04 19:01:34,886 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 19:01:35,071 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 19:01:35,071 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 19:01:35,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 19:01:35,072 INFO L85 PathProgramCache]: Analyzing trace with hash -92247702, now seen corresponding path program 5 times [2023-05-04 19:01:35,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 19:01:35,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614216012] [2023-05-04 19:01:35,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 19:01:35,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 19:01:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 19:01:36,077 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 92 proven. 358 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-05-04 19:01:36,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 19:01:36,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614216012] [2023-05-04 19:01:36,078 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614216012] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 19:01:36,078 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1928400659] [2023-05-04 19:01:36,078 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-04 19:01:36,078 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 19:01:36,078 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 19:01:36,085 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 19:01:36,086 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 19:01:37,033 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2023-05-04 19:01:37,033 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 19:01:37,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 58 conjunts are in the unsatisfiable core [2023-05-04 19:01:37,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 19:01:41,175 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 111 proven. 339 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2023-05-04 19:01:41,175 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 19:02:13,176 WARN L233 SmtUtils]: Spent 16.99s on a formula simplification. DAG size of input: 4448 DAG size of output: 4264 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) Received shutdown request... [2023-05-04 19:08:08,437 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 19:08:08,437 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 19:08:08,437 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 19:08:09,474 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 19:08:09,477 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2023-05-04 19:08:09,482 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown