/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 '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-channel-sum.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 02:21:59,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 02:21:59,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 02:21:59,225 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 02:21:59,225 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 02:21:59,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 02:21:59,232 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 02:21:59,233 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 02:21:59,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 02:21:59,238 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 02:21:59,239 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 02:21:59,240 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 02:21:59,240 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 02:21:59,242 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 02:21:59,243 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 02:21:59,244 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 02:21:59,244 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 02:21:59,245 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 02:21:59,246 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 02:21:59,250 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 02:21:59,251 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 02:21:59,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 02:21:59,253 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 02:21:59,254 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 02:21:59,259 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 02:21:59,259 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 02:21:59,259 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 02:21:59,260 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 02:21:59,260 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 02:21:59,261 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 02:21:59,261 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 02:21:59,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 02:21:59,263 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 02:21:59,263 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 02:21:59,264 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 02:21:59,264 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 02:21:59,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 02:21:59,265 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 02:21:59,265 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 02:21:59,265 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 02:21:59,266 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 02:21:59,267 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 02:21:59,296 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 02:21:59,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 02:21:59,296 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 02:21:59,296 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 02:21:59,297 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 02:21:59,297 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 02:21:59,297 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 02:21:59,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 02:21:59,298 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 02:21:59,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 02:21:59,298 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 02:21:59,298 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 02:21:59,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 02:21:59,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 02:21:59,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 02:21:59,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 02:21:59,299 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 02:21:59,299 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 02:21:59,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 02:21:59,299 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 02:21:59,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 02:21:59,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 02:21:59,299 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 02:21:59,299 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 02:21:59,300 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 02:21:59,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 02:21:59,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 02:21:59,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 02:21:59,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 02:21:59,300 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 02:21:59,300 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 02:21:59,300 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 02:21:59,300 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 02:21:59,300 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 02:21:59,301 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 02:21:59,301 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 02:21:59,301 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-20 02:21:59,471 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 02:21:59,495 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 02:21:59,497 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 02:21:59,498 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 02:21:59,499 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 02:21:59,500 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-channel-sum.wvr.c [2023-05-20 02:21:59,540 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6692db59d/ec29cfbe460741318b612790abc81a50/FLAG1ec51bc42 [2023-05-20 02:21:59,869 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 02:21:59,870 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-channel-sum.wvr.c [2023-05-20 02:21:59,875 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6692db59d/ec29cfbe460741318b612790abc81a50/FLAG1ec51bc42 [2023-05-20 02:22:00,271 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6692db59d/ec29cfbe460741318b612790abc81a50 [2023-05-20 02:22:00,273 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 02:22:00,274 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 02:22:00,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 02:22:00,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 02:22:00,277 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 02:22:00,277 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 02:22:00" (1/1) ... [2023-05-20 02:22:00,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a8e5a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:22:00, skipping insertion in model container [2023-05-20 02:22:00,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 02:22:00" (1/1) ... [2023-05-20 02:22:00,282 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 02:22:00,293 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 02:22:00,444 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-channel-sum.wvr.c[2947,2960] [2023-05-20 02:22:00,449 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 02:22:00,454 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 02:22:00,468 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-channel-sum.wvr.c[2947,2960] [2023-05-20 02:22:00,470 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 02:22:00,480 INFO L208 MainTranslator]: Completed translation [2023-05-20 02:22:00,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:22:00 WrapperNode [2023-05-20 02:22:00,481 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 02:22:00,481 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 02:22:00,482 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 02:22:00,482 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 02:22:00,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:22:00" (1/1) ... [2023-05-20 02:22:00,491 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:22:00" (1/1) ... [2023-05-20 02:22:00,516 INFO L138 Inliner]: procedures = 24, calls = 45, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 151 [2023-05-20 02:22:00,516 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 02:22:00,517 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 02:22:00,517 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 02:22:00,517 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 02:22:00,523 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:22:00" (1/1) ... [2023-05-20 02:22:00,523 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:22:00" (1/1) ... [2023-05-20 02:22:00,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:22:00" (1/1) ... [2023-05-20 02:22:00,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:22:00" (1/1) ... [2023-05-20 02:22:00,529 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:22:00" (1/1) ... [2023-05-20 02:22:00,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:22:00" (1/1) ... [2023-05-20 02:22:00,533 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:22:00" (1/1) ... [2023-05-20 02:22:00,534 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:22:00" (1/1) ... [2023-05-20 02:22:00,536 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 02:22:00,536 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 02:22:00,537 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 02:22:00,537 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 02:22:00,537 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:22:00" (1/1) ... [2023-05-20 02:22:00,558 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 02:22:00,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:22:00,576 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-20 02:22:00,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-20 02:22:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 02:22:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 02:22:00,609 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 02:22:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 02:22:00,609 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 02:22:00,609 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 02:22:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 02:22:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 02:22:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-20 02:22:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-20 02:22:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-20 02:22:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 02:22:00,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 02:22:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 02:22:00,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 02:22:00,611 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-20 02:22:00,689 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 02:22:00,691 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 02:22:00,911 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 02:22:01,011 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 02:22:01,011 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-20 02:22:01,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 02:22:01 BoogieIcfgContainer [2023-05-20 02:22:01,013 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 02:22:01,015 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 02:22:01,015 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 02:22:01,017 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 02:22:01,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 02:22:00" (1/3) ... [2023-05-20 02:22:01,018 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46351fd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 02:22:01, skipping insertion in model container [2023-05-20 02:22:01,018 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 02:22:00" (2/3) ... [2023-05-20 02:22:01,019 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46351fd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 02:22:01, skipping insertion in model container [2023-05-20 02:22:01,019 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 02:22:01" (3/3) ... [2023-05-20 02:22:01,020 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-channel-sum.wvr.c [2023-05-20 02:22:01,025 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 02:22:01,031 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 02:22:01,031 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 02:22:01,032 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 02:22:01,113 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-20 02:22:01,155 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 02:22:01,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 02:22:01,155 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:22:01,161 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-20 02:22:01,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-20 02:22:01,213 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 02:22:01,255 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 02:22:01,261 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;@3d957cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 02:22:01,261 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-20 02:22:01,398 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 02:22:01,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:22:01,402 INFO L85 PathProgramCache]: Analyzing trace with hash -1549352033, now seen corresponding path program 1 times [2023-05-20 02:22:01,408 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:22:01,408 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486767276] [2023-05-20 02:22:01,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:22:01,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:22:01,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:22:01,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 02:22:01,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:22:01,613 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486767276] [2023-05-20 02:22:01,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486767276] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 02:22:01,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 02:22:01,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 02:22:01,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640790328] [2023-05-20 02:22:01,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 02:22:01,618 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 02:22:01,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:22:01,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 02:22:01,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 02:22:01,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:01,635 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:22:01,636 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 43.5) internal successors, (87), 2 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 02:22:01,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:01,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:01,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 02:22:01,670 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 02:22:01,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:22:01,671 INFO L85 PathProgramCache]: Analyzing trace with hash -353699964, now seen corresponding path program 1 times [2023-05-20 02:22:01,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:22:01,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [486756183] [2023-05-20 02:22:01,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:22:01,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:22:01,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:22:02,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 02:22:02,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:22:02,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [486756183] [2023-05-20 02:22:02,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [486756183] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 02:22:02,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 02:22:02,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-20 02:22:02,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26187645] [2023-05-20 02:22:02,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 02:22:02,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-20 02:22:02,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:22:02,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-20 02:22:02,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-05-20 02:22:02,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:02,006 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:22:02,006 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.6) internal successors, (88), 5 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 02:22:02,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:02,006 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:02,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:02,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:22:02,243 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 02:22:02,243 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 02:22:02,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:22:02,243 INFO L85 PathProgramCache]: Analyzing trace with hash 751603994, now seen corresponding path program 1 times [2023-05-20 02:22:02,243 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:22:02,244 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93121313] [2023-05-20 02:22:02,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:22:02,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:22:02,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:22:02,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 02:22:02,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:22:02,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [93121313] [2023-05-20 02:22:02,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [93121313] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 02:22:02,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 02:22:02,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-20 02:22:02,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491823028] [2023-05-20 02:22:02,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 02:22:02,397 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-20 02:22:02,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:22:02,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-20 02:22:02,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-05-20 02:22:02,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:02,398 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:22:02,398 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 25.75) internal successors, (103), 4 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) [2023-05-20 02:22:02,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:02,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:22:02,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:02,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:02,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:22:02,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:22:02,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-20 02:22:02,468 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 02:22:02,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:22:02,469 INFO L85 PathProgramCache]: Analyzing trace with hash -200692795, now seen corresponding path program 1 times [2023-05-20 02:22:02,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:22:02,469 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856200126] [2023-05-20 02:22:02,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:22:02,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:22:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:22:02,768 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 02:22:02,769 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:22:02,769 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856200126] [2023-05-20 02:22:02,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856200126] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:22:02,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [440375009] [2023-05-20 02:22:02,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:22:02,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:22:02,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:22:02,773 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 02:22:02,848 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-20 02:22:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:22:02,899 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 9 conjunts are in the unsatisfiable core [2023-05-20 02:22:02,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:22:03,105 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 02:22:03,105 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-05-20 02:22:03,105 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [440375009] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 02:22:03,106 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-05-20 02:22:03,106 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [10] total 14 [2023-05-20 02:22:03,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202612065] [2023-05-20 02:22:03,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 02:22:03,107 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-20 02:22:03,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:22:03,107 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-20 02:22:03,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=155, Unknown=0, NotChecked=0, Total=182 [2023-05-20 02:22:03,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:03,108 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:22:03,108 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.75) internal successors, (110), 8 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 02:22:03,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:03,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:22:03,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:22:03,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:03,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:03,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:22:03,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:22:03,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:22:03,273 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-05-20 02:22:03,445 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,SelfDestructingSolverStorable3 [2023-05-20 02:22:03,445 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 02:22:03,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:22:03,446 INFO L85 PathProgramCache]: Analyzing trace with hash 2093523581, now seen corresponding path program 1 times [2023-05-20 02:22:03,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:22:03,446 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1283794906] [2023-05-20 02:22:03,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:22:03,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:22:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:22:03,817 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 02:22:03,818 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:22:03,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1283794906] [2023-05-20 02:22:03,818 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1283794906] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:22:03,818 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1672388043] [2023-05-20 02:22:03,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:22:03,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:22:03,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:22:03,819 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 02:22:03,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-20 02:22:03,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:22:03,904 INFO L263 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 52 conjunts are in the unsatisfiable core [2023-05-20 02:22:03,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:22:04,360 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-20 02:22:04,636 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 02:22:04,691 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 02:22:04,973 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 7 [2023-05-20 02:22:05,019 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 02:22:05,020 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:22:06,392 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 02:22:06,393 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 63 treesize of output 51 [2023-05-20 02:22:06,412 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 02:22:06,413 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 325 treesize of output 305 [2023-05-20 02:22:06,422 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 02:22:06,422 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 293 treesize of output 257 [2023-05-20 02:22:06,432 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 02:22:06,432 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 245 treesize of output 233 [2023-05-20 02:22:06,592 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 02:22:06,593 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 63 treesize of output 51 [2023-05-20 02:22:06,603 INFO L356 Elim1Store]: treesize reduction 8, result has 33.3 percent of original size [2023-05-20 02:22:06,604 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 153 treesize of output 141 [2023-05-20 02:22:06,611 INFO L356 Elim1Store]: treesize reduction 8, result has 33.3 percent of original size [2023-05-20 02:22:06,611 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 137 treesize of output 117 [2023-05-20 02:22:06,622 INFO L356 Elim1Store]: treesize reduction 8, result has 33.3 percent of original size [2023-05-20 02:22:06,622 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 113 treesize of output 105 [2023-05-20 02:22:07,166 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 02:22:07,166 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1672388043] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 02:22:07,166 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 02:22:07,167 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 28, 25] total 52 [2023-05-20 02:22:07,167 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061479217] [2023-05-20 02:22:07,167 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 02:22:07,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2023-05-20 02:22:07,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:22:07,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2023-05-20 02:22:07,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=465, Invalid=2159, Unknown=28, NotChecked=0, Total=2652 [2023-05-20 02:22:07,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:07,170 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:22:07,171 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 5.711538461538462) internal successors, (297), 52 states have internal predecessors, (297), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 02:22:07,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:07,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:22:07,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:22:07,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:22:07,171 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:08,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:08,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:22:08,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:22:08,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:22:08,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-05-20 02:22:08,452 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-20 02:22:08,595 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:22:08,596 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 02:22:08,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:22:08,599 INFO L85 PathProgramCache]: Analyzing trace with hash 1166730007, now seen corresponding path program 2 times [2023-05-20 02:22:08,599 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:22:08,600 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071055131] [2023-05-20 02:22:08,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:22:08,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:22:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:22:08,792 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 02:22:08,793 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:22:08,793 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071055131] [2023-05-20 02:22:08,794 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2071055131] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:22:08,794 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1711461555] [2023-05-20 02:22:08,794 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 02:22:08,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:22:08,795 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:22:08,800 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 02:22:08,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-20 02:22:08,886 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 02:22:08,886 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 02:22:08,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 296 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-20 02:22:08,897 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:22:08,988 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 17 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 02:22:08,988 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:22:09,123 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 02:22:09,123 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1711461555] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 02:22:09,123 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 02:22:09,123 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 8] total 9 [2023-05-20 02:22:09,123 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125303560] [2023-05-20 02:22:09,123 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 02:22:09,124 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-05-20 02:22:09,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:22:09,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-05-20 02:22:09,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2023-05-20 02:22:09,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:09,124 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:22:09,125 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 15.444444444444445) internal successors, (139), 9 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 02:22:09,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:09,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:22:09,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:22:09,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:22:09,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2023-05-20 02:22:09,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:09,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:09,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:22:09,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:22:09,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:22:09,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-05-20 02:22:09,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-20 02:22:09,381 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-05-20 02:22:09,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:22:09,573 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 02:22:09,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:22:09,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1508905995, now seen corresponding path program 1 times [2023-05-20 02:22:09,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:22:09,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203925973] [2023-05-20 02:22:09,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:22:09,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:22:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:22:09,769 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 02:22:09,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:22:09,770 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1203925973] [2023-05-20 02:22:09,771 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1203925973] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:22:09,771 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [327607832] [2023-05-20 02:22:09,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:22:09,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:22:09,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:22:09,778 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 02:22:09,805 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-20 02:22:09,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:22:09,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 11 conjunts are in the unsatisfiable core [2023-05-20 02:22:09,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:22:09,963 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 02:22:09,963 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:22:10,091 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 02:22:10,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [327607832] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 02:22:10,092 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 02:22:10,092 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 11 [2023-05-20 02:22:10,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403210185] [2023-05-20 02:22:10,092 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 02:22:10,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-05-20 02:22:10,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:22:10,093 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-05-20 02:22:10,093 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2023-05-20 02:22:10,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:10,094 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:22:10,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 12.909090909090908) internal successors, (142), 11 states have internal predecessors, (142), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 02:22:10,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:10,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:22:10,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:22:10,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:22:10,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-05-20 02:22:10,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-20 02:22:10,094 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:10,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:10,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:22:10,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:22:10,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:22:10,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-05-20 02:22:10,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-20 02:22:10,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:22:10,267 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-05-20 02:22:10,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:22:10,465 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 02:22:10,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:22:10,466 INFO L85 PathProgramCache]: Analyzing trace with hash -734804207, now seen corresponding path program 2 times [2023-05-20 02:22:10,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:22:10,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [319582068] [2023-05-20 02:22:10,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:22:10,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:22:10,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:22:11,188 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-20 02:22:11,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:22:11,189 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [319582068] [2023-05-20 02:22:11,190 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [319582068] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:22:11,190 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1417668205] [2023-05-20 02:22:11,190 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 02:22:11,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:22:11,190 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:22:11,206 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 02:22:11,246 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-20 02:22:11,336 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 02:22:11,336 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 02:22:11,338 INFO L263 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 78 conjunts are in the unsatisfiable core [2023-05-20 02:22:11,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:22:12,016 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-20 02:22:12,282 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 02:22:12,338 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 02:22:13,362 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 02:22:13,363 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 49 treesize of output 15 [2023-05-20 02:22:13,433 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 02:22:13,434 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:22:15,596 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 02:22:15,596 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 124 treesize of output 88 [2023-05-20 02:22:15,615 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 02:22:15,616 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 271 treesize of output 289 [2023-05-20 02:22:15,645 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 02:22:15,646 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 237 treesize of output 237 [2023-05-20 02:22:15,668 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 02:22:15,668 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 185 treesize of output 211 [2023-05-20 02:22:16,652 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 02:22:16,653 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 124 treesize of output 88 [2023-05-20 02:22:16,669 INFO L356 Elim1Store]: treesize reduction 44, result has 17.0 percent of original size [2023-05-20 02:22:16,669 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 271 treesize of output 245 [2023-05-20 02:22:16,685 INFO L356 Elim1Store]: treesize reduction 44, result has 17.0 percent of original size [2023-05-20 02:22:16,685 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 237 treesize of output 193 [2023-05-20 02:22:16,700 INFO L356 Elim1Store]: treesize reduction 44, result has 17.0 percent of original size [2023-05-20 02:22:16,700 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 185 treesize of output 167 [2023-05-20 02:22:17,511 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 02:22:17,512 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1417668205] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 02:22:17,512 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 02:22:17,512 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 39, 36] total 83 [2023-05-20 02:22:17,512 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [328335987] [2023-05-20 02:22:17,512 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 02:22:17,513 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 83 states [2023-05-20 02:22:17,513 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:22:17,513 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2023-05-20 02:22:17,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=812, Invalid=5951, Unknown=43, NotChecked=0, Total=6806 [2023-05-20 02:22:17,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:17,515 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:22:17,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 83 states, 83 states have (on average 4.614457831325301) internal successors, (383), 83 states have internal predecessors, (383), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 02:22:17,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:17,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:22:17,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:22:17,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:22:17,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-05-20 02:22:17,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-20 02:22:17,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:22:17,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:21,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:21,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:22:21,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:22:21,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:22:21,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-05-20 02:22:21,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-20 02:22:21,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:22:21,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-05-20 02:22:21,745 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-20 02:22:21,914 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:22:21,915 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 02:22:21,915 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:22:21,915 INFO L85 PathProgramCache]: Analyzing trace with hash -1784207981, now seen corresponding path program 3 times [2023-05-20 02:22:21,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:22:21,916 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720166446] [2023-05-20 02:22:21,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:22:21,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:22:21,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:22:22,139 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 45 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-05-20 02:22:22,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:22:22,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720166446] [2023-05-20 02:22:22,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720166446] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:22:22,139 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [988667408] [2023-05-20 02:22:22,139 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 02:22:22,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:22:22,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:22:22,141 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 02:22:22,175 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-20 02:22:22,342 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2023-05-20 02:22:22,343 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 02:22:22,344 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 15 conjunts are in the unsatisfiable core [2023-05-20 02:22:22,346 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:22:22,481 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 45 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-05-20 02:22:22,481 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:22:22,661 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 34 proven. 18 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2023-05-20 02:22:22,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [988667408] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 02:22:22,661 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 02:22:22,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 10] total 11 [2023-05-20 02:22:22,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993974978] [2023-05-20 02:22:22,662 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 02:22:22,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-05-20 02:22:22,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:22:22,663 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-05-20 02:22:22,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-05-20 02:22:22,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:22,665 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:22:22,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 14.363636363636363) internal successors, (158), 11 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 02:22:22,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:22,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:22:22,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:22:22,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:22:22,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-05-20 02:22:22,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-20 02:22:22,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:22:22,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2023-05-20 02:22:22,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:23,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:23,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:22:23,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:22:23,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:22:23,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-05-20 02:22:23,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-20 02:22:23,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:22:23,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2023-05-20 02:22:23,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 02:22:23,453 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-20 02:22:23,653 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:22:23,653 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 02:22:23,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:22:23,653 INFO L85 PathProgramCache]: Analyzing trace with hash 1165578097, now seen corresponding path program 4 times [2023-05-20 02:22:23,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:22:23,653 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830716255] [2023-05-20 02:22:23,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:22:23,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:22:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:22:23,766 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2023-05-20 02:22:23,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:22:23,766 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830716255] [2023-05-20 02:22:23,766 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830716255] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 02:22:23,767 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 02:22:23,767 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-20 02:22:23,768 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241270562] [2023-05-20 02:22:23,768 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 02:22:23,768 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-20 02:22:23,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:22:23,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-20 02:22:23,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-20 02:22:23,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:23,769 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:22:23,769 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 02:22:23,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:23,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:22:23,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:22:23,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:22:23,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-05-20 02:22:23,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-20 02:22:23,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:22:23,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2023-05-20 02:22:23,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 02:22:23,770 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:23,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:23,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:22:23,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:22:23,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:22:23,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-05-20 02:22:23,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-20 02:22:23,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:22:23,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2023-05-20 02:22:23,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 02:22:23,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:22:23,827 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-05-20 02:22:23,827 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 02:22:23,828 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:22:23,828 INFO L85 PathProgramCache]: Analyzing trace with hash 1775773746, now seen corresponding path program 5 times [2023-05-20 02:22:23,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:22:23,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988522419] [2023-05-20 02:22:23,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:22:23,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:22:23,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:22:27,082 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 02:22:27,082 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:22:27,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988522419] [2023-05-20 02:22:27,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988522419] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:22:27,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1894759573] [2023-05-20 02:22:27,082 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 02:22:27,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:22:27,083 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:22:27,084 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 02:22:27,085 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-20 02:22:27,218 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2023-05-20 02:22:27,218 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 02:22:27,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 84 conjunts are in the unsatisfiable core [2023-05-20 02:22:27,223 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:22:29,323 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 02:22:29,323 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 72 treesize of output 20 [2023-05-20 02:22:29,466 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 02:22:29,466 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:22:30,826 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-20 02:22:30,826 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 110 treesize of output 152 [2023-05-20 02:22:32,161 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 02:22:32,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1894759573] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 02:22:32,161 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 02:22:32,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 36, 36] total 110 [2023-05-20 02:22:32,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349317872] [2023-05-20 02:22:32,161 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 02:22:32,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 110 states [2023-05-20 02:22:32,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:22:32,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2023-05-20 02:22:32,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1105, Invalid=10885, Unknown=0, NotChecked=0, Total=11990 [2023-05-20 02:22:32,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:32,166 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:22:32,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 110 states, 110 states have (on average 4.336363636363636) internal successors, (477), 110 states have internal predecessors, (477), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 02:22:32,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:32,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:22:32,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:22:32,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:22:32,166 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-05-20 02:22:32,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-20 02:22:32,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:22:32,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2023-05-20 02:22:32,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 02:22:32,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:22:32,167 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:37,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:37,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:22:37,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:22:37,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:22:37,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2023-05-20 02:22:37,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-20 02:22:37,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:22:37,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2023-05-20 02:22:37,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 02:22:37,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:22:37,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2023-05-20 02:22:37,324 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-05-20 02:22:37,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-05-20 02:22:37,508 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 02:22:37,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:22:37,508 INFO L85 PathProgramCache]: Analyzing trace with hash 108185282, now seen corresponding path program 6 times [2023-05-20 02:22:37,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:22:37,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455495792] [2023-05-20 02:22:37,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:22:37,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:22:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:22:37,772 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 83 proven. 23 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-05-20 02:22:37,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:22:37,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [455495792] [2023-05-20 02:22:37,773 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [455495792] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:22:37,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1677305789] [2023-05-20 02:22:37,773 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-20 02:22:37,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:22:37,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:22:37,774 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 02:22:37,801 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-20 02:22:38,004 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2023-05-20 02:22:38,004 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 02:22:38,006 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-20 02:22:38,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:22:38,147 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 83 proven. 23 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-05-20 02:22:38,148 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:22:38,359 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 67 proven. 39 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2023-05-20 02:22:38,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1677305789] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 02:22:38,360 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 02:22:38,360 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 12] total 13 [2023-05-20 02:22:38,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810273957] [2023-05-20 02:22:38,360 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 02:22:38,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-05-20 02:22:38,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 02:22:38,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-05-20 02:22:38,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2023-05-20 02:22:38,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:38,362 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 02:22:38,362 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 13.461538461538462) internal successors, (175), 13 states have internal predecessors, (175), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-20 02:22:38,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:38,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:22:38,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:22:38,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:22:38,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2023-05-20 02:22:38,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2023-05-20 02:22:38,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:22:38,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 88 states. [2023-05-20 02:22:38,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2023-05-20 02:22:38,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:22:38,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2023-05-20 02:22:38,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:38,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 02:22:38,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 02:22:38,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:22:38,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-20 02:22:38,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-20 02:22:38,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-05-20 02:22:38,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-05-20 02:22:38,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2023-05-20 02:22:38,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-20 02:22:38,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-05-20 02:22:38,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-05-20 02:22:38,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2023-05-20 02:22:38,784 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-20 02:22:38,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:22:38,981 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-20 02:22:38,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 02:22:38,982 INFO L85 PathProgramCache]: Analyzing trace with hash 915415468, now seen corresponding path program 7 times [2023-05-20 02:22:38,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 02:22:38,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1862845485] [2023-05-20 02:22:38,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 02:22:38,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 02:22:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:22:43,053 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 9 proven. 169 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 02:22:43,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 02:22:43,054 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1862845485] [2023-05-20 02:22:43,054 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1862845485] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 02:22:43,055 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [978848324] [2023-05-20 02:22:43,055 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-20 02:22:43,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 02:22:43,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 02:22:43,065 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 02:22:43,067 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-20 02:22:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 02:22:43,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 118 conjunts are in the unsatisfiable core [2023-05-20 02:22:43,171 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 02:22:43,706 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-20 02:22:43,843 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-20 02:22:44,015 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-20 02:22:44,328 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 02:22:44,385 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-20 02:22:47,820 INFO L356 Elim1Store]: treesize reduction 114, result has 5.8 percent of original size [2023-05-20 02:22:47,821 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 95 treesize of output 32 [2023-05-20 02:22:47,964 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 178 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-20 02:22:47,965 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 02:24:13,073 INFO L356 Elim1Store]: treesize reduction 68, result has 48.1 percent of original size [2023-05-20 02:24:13,073 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 3 case distinctions, treesize of input 354 treesize of output 208 [2023-05-20 02:24:13,531 INFO L356 Elim1Store]: treesize reduction 64, result has 87.2 percent of original size [2023-05-20 02:24:13,532 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 541 treesize of output 893 [2023-05-20 02:24:13,705 INFO L356 Elim1Store]: treesize reduction 64, result has 77.2 percent of original size [2023-05-20 02:24:13,706 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 8 new quantified variables, introduced 28 case distinctions, treesize of input 423 treesize of output 535 [2023-05-20 02:24:13,891 INFO L356 Elim1Store]: treesize reduction 64, result has 77.2 percent of original size [2023-05-20 02:24:13,892 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 8 new quantified variables, introduced 28 case distinctions, treesize of input 319 treesize of output 483 Received shutdown request... [2023-05-20 02:36:12,020 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-20 02:36:12,022 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-20 02:36:12,032 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 02:36:12,032 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 02:36:12,032 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 02:36:12,038 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-05-20 02:36:12,237 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-05-20 02:36:12,237 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 205 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 19ms.. [2023-05-20 02:36:12,239 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-20 02:36:12,239 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-20 02:36:12,241 INFO L444 BasicCegarLoop]: Path program histogram: [7, 2, 1, 1, 1, 1] [2023-05-20 02:36:12,243 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 02:36:12,243 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 02:36:12,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 02:36:12 BasicIcfg [2023-05-20 02:36:12,244 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 02:36:12,245 INFO L158 Benchmark]: Toolchain (without parser) took 851970.89ms. Allocated memory was 196.1MB in the beginning and 1.1GB in the end (delta: 879.8MB). Free memory was 169.7MB in the beginning and 855.0MB in the end (delta: -685.3MB). Peak memory consumption was 693.8MB. Max. memory is 8.0GB. [2023-05-20 02:36:12,245 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 196.1MB. Free memory is still 154.5MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 02:36:12,245 INFO L158 Benchmark]: CACSL2BoogieTranslator took 206.18ms. Allocated memory was 196.1MB in the beginning and 235.9MB in the end (delta: 39.8MB). Free memory was 169.4MB in the beginning and 208.7MB in the end (delta: -39.4MB). Peak memory consumption was 9.3MB. Max. memory is 8.0GB. [2023-05-20 02:36:12,245 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.67ms. Allocated memory is still 235.9MB. Free memory was 208.7MB in the beginning and 207.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 02:36:12,245 INFO L158 Benchmark]: Boogie Preprocessor took 19.22ms. Allocated memory is still 235.9MB. Free memory was 207.1MB in the beginning and 205.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-20 02:36:12,245 INFO L158 Benchmark]: RCFGBuilder took 476.34ms. Allocated memory is still 235.9MB. Free memory was 205.5MB in the beginning and 184.6MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2023-05-20 02:36:12,246 INFO L158 Benchmark]: TraceAbstraction took 851229.78ms. Allocated memory was 235.9MB in the beginning and 1.1GB in the end (delta: 839.9MB). Free memory was 183.6MB in the beginning and 855.0MB in the end (delta: -671.4MB). Peak memory consumption was 668.8MB. Max. memory is 8.0GB. [2023-05-20 02:36:12,246 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 196.1MB. Free memory is still 154.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 206.18ms. Allocated memory was 196.1MB in the beginning and 235.9MB in the end (delta: 39.8MB). Free memory was 169.4MB in the beginning and 208.7MB in the end (delta: -39.4MB). Peak memory consumption was 9.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.67ms. Allocated memory is still 235.9MB. Free memory was 208.7MB in the beginning and 207.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 19.22ms. Allocated memory is still 235.9MB. Free memory was 207.1MB in the beginning and 205.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 476.34ms. Allocated memory is still 235.9MB. Free memory was 205.5MB in the beginning and 184.6MB in the end (delta: 20.9MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * TraceAbstraction took 851229.78ms. Allocated memory was 235.9MB in the beginning and 1.1GB in the end (delta: 839.9MB). Free memory was 183.6MB in the beginning and 855.0MB in the end (delta: -671.4MB). Peak memory consumption was 668.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 12189, independent: 7715, independent conditional: 5600, independent unconditional: 2115, dependent: 4474, dependent conditional: 4460, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7749, independent: 7715, independent conditional: 5600, independent unconditional: 2115, dependent: 34, dependent conditional: 20, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7749, independent: 7715, independent conditional: 5600, independent unconditional: 2115, dependent: 34, dependent conditional: 20, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7879, independent: 7715, independent conditional: 0, independent unconditional: 7715, dependent: 164, dependent conditional: 130, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7879, independent: 7715, independent conditional: 0, independent unconditional: 7715, dependent: 164, dependent conditional: 86, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7879, independent: 7715, independent conditional: 0, independent unconditional: 7715, dependent: 164, dependent conditional: 86, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1540, independent: 1518, independent conditional: 0, independent unconditional: 1518, dependent: 22, dependent conditional: 8, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1540, independent: 1517, independent conditional: 0, independent unconditional: 1517, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 23, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 22, dependent conditional: 8, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 22, dependent conditional: 8, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 116, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 83, dependent conditional: 25, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7879, independent: 6197, independent conditional: 0, independent unconditional: 6197, dependent: 142, dependent conditional: 78, dependent unconditional: 64, unknown: 1540, unknown conditional: 8, unknown unconditional: 1532] , Statistics on independence cache: Total cache size (in pairs): 1540, Positive cache size: 1518, Positive conditional cache size: 0, Positive unconditional cache size: 1518, Negative cache size: 22, Negative conditional cache size: 8, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 44, Maximal queried relation: 11, Independence queries for same thread: 4440 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 402, Number of trivial persistent sets: 256, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2129, independent: 2115, independent conditional: 0, independent unconditional: 2115, dependent: 14, dependent conditional: 0, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 12189, independent: 7715, independent conditional: 5600, independent unconditional: 2115, dependent: 4474, dependent conditional: 4460, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7749, independent: 7715, independent conditional: 5600, independent unconditional: 2115, dependent: 34, dependent conditional: 20, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7749, independent: 7715, independent conditional: 5600, independent unconditional: 2115, dependent: 34, dependent conditional: 20, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7879, independent: 7715, independent conditional: 0, independent unconditional: 7715, dependent: 164, dependent conditional: 130, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7879, independent: 7715, independent conditional: 0, independent unconditional: 7715, dependent: 164, dependent conditional: 86, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7879, independent: 7715, independent conditional: 0, independent unconditional: 7715, dependent: 164, dependent conditional: 86, dependent unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1540, independent: 1518, independent conditional: 0, independent unconditional: 1518, dependent: 22, dependent conditional: 8, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1540, independent: 1517, independent conditional: 0, independent unconditional: 1517, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 23, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 22, dependent conditional: 8, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 23, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 22, dependent conditional: 8, dependent unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 116, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 83, dependent conditional: 25, dependent unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 7879, independent: 6197, independent conditional: 0, independent unconditional: 6197, dependent: 142, dependent conditional: 78, dependent unconditional: 64, unknown: 1540, unknown conditional: 8, unknown unconditional: 1532] , Statistics on independence cache: Total cache size (in pairs): 1540, Positive cache size: 1518, Positive conditional cache size: 0, Positive unconditional cache size: 1518, Negative cache size: 22, Negative conditional cache size: 8, Negative unconditional cache size: 14, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 44, Maximal queried relation: 11, Independence queries for same thread: 4440 - TimeoutResultAtElement [Line: 105]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 205 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 19ms.. - TimeoutResultAtElement [Line: 99]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 205 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 19ms.. - TimeoutResultAtElement [Line: 100]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 205 with TraceHistMax 4,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 6 for 19ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 168 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 851.0s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 7, EmptinessCheckTime: 12.8s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 287, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 21.5s InterpolantComputationTime, 2819 NumberOfCodeBlocks, 2812 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 3865 ConstructedInterpolants, 38 QuantifiedInterpolants, 40306 SizeOfPredicates, 147 NumberOfNonLiveVariables, 2515 ConjunctsInSsa, 279 ConjunctsInUnsatCore, 27 InterpolantComputations, 5 PerfectInterpolantSequences, 822/1330 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown