/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-bad-three-array-sum-alt.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-32214ab [2023-05-20 17:15:21,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-20 17:15:21,162 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-20 17:15:21,191 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-20 17:15:21,192 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-20 17:15:21,194 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-20 17:15:21,196 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-20 17:15:21,199 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-20 17:15:21,200 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-20 17:15:21,203 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-20 17:15:21,204 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-20 17:15:21,205 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-20 17:15:21,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-20 17:15:21,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-20 17:15:21,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-20 17:15:21,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-20 17:15:21,209 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-20 17:15:21,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-20 17:15:21,211 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-20 17:15:21,214 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-20 17:15:21,215 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-20 17:15:21,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-20 17:15:21,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-20 17:15:21,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-20 17:15:21,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-20 17:15:21,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-20 17:15:21,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-20 17:15:21,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-20 17:15:21,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-20 17:15:21,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-20 17:15:21,226 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-20 17:15:21,226 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-20 17:15:21,227 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-20 17:15:21,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-20 17:15:21,229 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-20 17:15:21,229 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-20 17:15:21,229 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-20 17:15:21,229 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-20 17:15:21,229 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-20 17:15:21,230 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-20 17:15:21,230 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-20 17:15:21,231 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-20 17:15:21,254 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-20 17:15:21,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-20 17:15:21,254 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-20 17:15:21,254 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-20 17:15:21,255 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-20 17:15:21,255 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-20 17:15:21,256 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-20 17:15:21,256 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-20 17:15:21,256 INFO L138 SettingsManager]: * Use SBE=true [2023-05-20 17:15:21,256 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-20 17:15:21,256 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-20 17:15:21,257 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-20 17:15:21,257 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-20 17:15:21,257 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-20 17:15:21,257 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-20 17:15:21,257 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-20 17:15:21,257 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-20 17:15:21,257 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-20 17:15:21,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-20 17:15:21,257 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-20 17:15:21,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-20 17:15:21,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-20 17:15:21,257 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-20 17:15:21,259 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-20 17:15:21,259 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-20 17:15:21,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 17:15:21,259 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-20 17:15:21,259 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-20 17:15:21,259 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-20 17:15:21,259 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-20 17:15:21,259 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-20 17:15:21,259 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-20 17:15:21,259 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-20 17:15:21,260 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-20 17:15:21,260 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-20 17:15:21,260 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-20 17:15:21,260 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-20 17:15:21,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-20 17:15:21,466 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-20 17:15:21,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-20 17:15:21,468 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-20 17:15:21,470 INFO L275 PluginConnector]: CDTParser initialized [2023-05-20 17:15:21,470 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-bad-three-array-sum-alt.wvr.c [2023-05-20 17:15:21,510 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/186fe06fe/c62dd0ff0d5546328424abf450545eb2/FLAG66228a1fd [2023-05-20 17:15:21,863 INFO L306 CDTParser]: Found 1 translation units. [2023-05-20 17:15:21,864 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-bad-three-array-sum-alt.wvr.c [2023-05-20 17:15:21,873 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/186fe06fe/c62dd0ff0d5546328424abf450545eb2/FLAG66228a1fd [2023-05-20 17:15:22,306 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/186fe06fe/c62dd0ff0d5546328424abf450545eb2 [2023-05-20 17:15:22,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-20 17:15:22,309 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-20 17:15:22,311 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-20 17:15:22,311 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-20 17:15:22,314 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-20 17:15:22,314 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 05:15:22" (1/1) ... [2023-05-20 17:15:22,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46b60c26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:15:22, skipping insertion in model container [2023-05-20 17:15:22,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.05 05:15:22" (1/1) ... [2023-05-20 17:15:22,319 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-20 17:15:22,329 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-20 17:15:22,442 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-bad-three-array-sum-alt.wvr.c[2412,2425] [2023-05-20 17:15:22,447 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 17:15:22,451 INFO L203 MainTranslator]: Completed pre-run [2023-05-20 17:15:22,466 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-bad-three-array-sum-alt.wvr.c[2412,2425] [2023-05-20 17:15:22,469 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-20 17:15:22,477 INFO L208 MainTranslator]: Completed translation [2023-05-20 17:15:22,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:15:22 WrapperNode [2023-05-20 17:15:22,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-20 17:15:22,478 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-20 17:15:22,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-20 17:15:22,479 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-20 17:15:22,483 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:15:22" (1/1) ... [2023-05-20 17:15:22,490 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:15:22" (1/1) ... [2023-05-20 17:15:22,510 INFO L138 Inliner]: procedures = 26, calls = 45, calls flagged for inlining = 15, calls inlined = 27, statements flattened = 271 [2023-05-20 17:15:22,510 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-20 17:15:22,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-20 17:15:22,511 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-20 17:15:22,511 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-20 17:15:22,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:15:22" (1/1) ... [2023-05-20 17:15:22,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:15:22" (1/1) ... [2023-05-20 17:15:22,521 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:15:22" (1/1) ... [2023-05-20 17:15:22,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:15:22" (1/1) ... [2023-05-20 17:15:22,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:15:22" (1/1) ... [2023-05-20 17:15:22,530 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:15:22" (1/1) ... [2023-05-20 17:15:22,531 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:15:22" (1/1) ... [2023-05-20 17:15:22,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:15:22" (1/1) ... [2023-05-20 17:15:22,534 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-20 17:15:22,535 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-20 17:15:22,535 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-20 17:15:22,535 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-20 17:15:22,536 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:15:22" (1/1) ... [2023-05-20 17:15:22,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-20 17:15:22,554 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:15:22,564 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 17:15:22,569 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 17:15:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-20 17:15:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-20 17:15:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-20 17:15:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-20 17:15:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-20 17:15:22,600 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-20 17:15:22,600 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-20 17:15:22,601 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-20 17:15:22,601 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-20 17:15:22,601 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-20 17:15:22,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-20 17:15:22,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-20 17:15:22,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-20 17:15:22,601 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-20 17:15:22,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-20 17:15:22,602 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 17:15:22,676 INFO L235 CfgBuilder]: Building ICFG [2023-05-20 17:15:22,677 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-20 17:15:23,081 INFO L276 CfgBuilder]: Performing block encoding [2023-05-20 17:15:23,090 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-20 17:15:23,090 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2023-05-20 17:15:23,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 05:15:23 BoogieIcfgContainer [2023-05-20 17:15:23,092 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-20 17:15:23,099 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-20 17:15:23,099 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-20 17:15:23,102 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-20 17:15:23,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.05 05:15:22" (1/3) ... [2023-05-20 17:15:23,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2beff9eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 05:15:23, skipping insertion in model container [2023-05-20 17:15:23,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.05 05:15:22" (2/3) ... [2023-05-20 17:15:23,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2beff9eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.05 05:15:23, skipping insertion in model container [2023-05-20 17:15:23,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.05 05:15:23" (3/3) ... [2023-05-20 17:15:23,104 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-three-array-sum-alt.wvr.c [2023-05-20 17:15:23,110 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-20 17:15:23,116 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-20 17:15:23,117 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-20 17:15:23,117 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-20 17:15:23,180 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-20 17:15:23,209 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 17:15:23,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-20 17:15:23,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:15:23,211 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 17:15:23,230 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 17:15:23,235 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-20 17:15:23,264 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-20 17:15:23,269 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;@5c6f8d64, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-20 17:15:23,269 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-20 17:15:23,529 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 17:15:23,549 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:15:23,549 INFO L85 PathProgramCache]: Analyzing trace with hash 351467075, now seen corresponding path program 1 times [2023-05-20 17:15:23,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:15:23,556 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730301166] [2023-05-20 17:15:23,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:15:23,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:15:23,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:15:23,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-20 17:15:23,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:15:23,749 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730301166] [2023-05-20 17:15:23,749 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1730301166] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 17:15:23,749 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 17:15:23,749 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-20 17:15:23,750 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1802191799] [2023-05-20 17:15:23,751 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 17:15:23,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-20 17:15:23,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:15:23,766 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-20 17:15:23,767 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-20 17:15:23,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:23,768 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:15:23,768 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 103.5) internal successors, (207), 2 states have internal predecessors, (207), 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 17:15:23,769 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:23,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:23,938 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-20 17:15:23,938 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 17:15:23,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:15:23,940 INFO L85 PathProgramCache]: Analyzing trace with hash -582500652, now seen corresponding path program 1 times [2023-05-20 17:15:23,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:15:23,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547619801] [2023-05-20 17:15:23,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:15:23,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:15:24,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:15:24,443 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 17:15:24,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:15:24,444 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547619801] [2023-05-20 17:15:24,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547619801] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-20 17:15:24,445 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-20 17:15:24,445 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-05-20 17:15:24,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002189928] [2023-05-20 17:15:24,446 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 17:15:24,448 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-20 17:15:24,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:15:24,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-20 17:15:24,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-05-20 17:15:24,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:24,451 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:15:24,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 37.57142857142857) internal successors, (263), 7 states have internal predecessors, (263), 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 17:15:24,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:24,451 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:24,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:24,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:24,587 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-20 17:15:24,587 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 17:15:24,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:15:24,588 INFO L85 PathProgramCache]: Analyzing trace with hash 1147272497, now seen corresponding path program 1 times [2023-05-20 17:15:24,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:15:24,589 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403501481] [2023-05-20 17:15:24,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:15:24,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:15:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:15:24,849 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 17:15:24,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:15:24,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403501481] [2023-05-20 17:15:24,850 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403501481] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:15:24,850 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [498519573] [2023-05-20 17:15:24,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:15:24,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:15:24,851 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:15:24,869 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 17:15:24,937 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 17:15:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:15:25,083 INFO L263 TraceCheckSpWp]: Trace formula consists of 577 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-20 17:15:25,098 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:15:25,408 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 17:15:25,408 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:15:25,630 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 17:15:25,631 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [498519573] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-20 17:15:25,631 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-20 17:15:25,631 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2023-05-20 17:15:25,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1627603941] [2023-05-20 17:15:25,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 17:15:25,632 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-20 17:15:25,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:15:25,632 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-20 17:15:25,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-05-20 17:15:25,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:25,633 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:15:25,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 40.57142857142857) internal successors, (284), 7 states have internal predecessors, (284), 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 17:15:25,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:25,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:25,633 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:25,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:25,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:25,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:25,761 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-20 17:15:25,950 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2023-05-20 17:15:25,951 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 17:15:25,951 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:15:25,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1167914819, now seen corresponding path program 1 times [2023-05-20 17:15:25,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:15:25,952 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168595852] [2023-05-20 17:15:25,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:15:25,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:15:25,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:15:26,147 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 17:15:26,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:15:26,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168595852] [2023-05-20 17:15:26,147 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168595852] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:15:26,147 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743331086] [2023-05-20 17:15:26,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:15:26,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:15:26,148 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:15:26,149 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 17:15:26,176 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 17:15:26,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:15:26,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 578 conjuncts, 6 conjunts are in the unsatisfiable core [2023-05-20 17:15:26,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:15:26,469 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 17:15:26,469 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:15:26,691 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 17:15:26,691 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743331086] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-20 17:15:26,691 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-20 17:15:26,691 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8, 7] total 14 [2023-05-20 17:15:26,691 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151744421] [2023-05-20 17:15:26,691 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-20 17:15:26,692 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-05-20 17:15:26,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:15:26,692 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-05-20 17:15:26,693 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2023-05-20 17:15:26,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:26,693 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:15:26,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 40.857142857142854) internal successors, (286), 7 states have internal predecessors, (286), 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 17:15:26,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:26,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:26,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:26,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:26,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:26,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:26,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:26,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:26,847 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 17:15:27,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:15:27,046 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 17:15:27,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:15:27,046 INFO L85 PathProgramCache]: Analyzing trace with hash -275315413, now seen corresponding path program 1 times [2023-05-20 17:15:27,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:15:27,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956789003] [2023-05-20 17:15:27,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:15:27,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:15:27,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:15:27,396 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 91 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 17:15:27,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:15:27,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956789003] [2023-05-20 17:15:27,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956789003] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:15:27,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739614807] [2023-05-20 17:15:27,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:15:27,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:15:27,397 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:15:27,411 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 17:15:27,459 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 17:15:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:15:27,577 INFO L263 TraceCheckSpWp]: Trace formula consists of 760 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-20 17:15:27,581 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:15:28,039 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 92 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 17:15:28,039 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:15:28,374 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 92 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-05-20 17:15:28,374 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [739614807] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 17:15:28,374 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 17:15:28,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2023-05-20 17:15:28,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2005133830] [2023-05-20 17:15:28,375 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 17:15:28,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-05-20 17:15:28,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:15:28,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-05-20 17:15:28,376 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=434, Unknown=0, NotChecked=0, Total=552 [2023-05-20 17:15:28,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:28,376 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:15:28,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 25.958333333333332) internal successors, (623), 24 states have internal predecessors, (623), 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 17:15:28,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:28,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:28,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:28,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:28,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:28,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:28,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:28,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:28,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:28,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:15:28,743 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 17:15:28,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:15:28,930 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 17:15:28,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:15:28,931 INFO L85 PathProgramCache]: Analyzing trace with hash -1275313106, now seen corresponding path program 2 times [2023-05-20 17:15:28,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:15:28,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83341429] [2023-05-20 17:15:28,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:15:28,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:15:28,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:15:29,330 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 61 proven. 40 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-05-20 17:15:29,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:15:29,330 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83341429] [2023-05-20 17:15:29,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83341429] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:15:29,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1859642115] [2023-05-20 17:15:29,334 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 17:15:29,334 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:15:29,335 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:15:29,362 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 17:15:29,426 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 17:15:29,579 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 17:15:29,579 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 17:15:29,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 799 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-20 17:15:29,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:15:30,147 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 62 proven. 39 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-05-20 17:15:30,147 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:15:30,464 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 70 proven. 31 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-05-20 17:15:30,464 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1859642115] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 17:15:30,464 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 17:15:30,464 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2023-05-20 17:15:30,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104920465] [2023-05-20 17:15:30,464 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 17:15:30,465 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-05-20 17:15:30,465 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:15:30,465 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-05-20 17:15:30,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2023-05-20 17:15:30,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:30,466 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:15:30,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 28.166666666666668) internal successors, (676), 24 states have internal predecessors, (676), 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 17:15:30,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:30,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:30,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:30,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:30,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:15:30,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:30,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:30,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:30,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:30,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:30,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:15:30,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:15:30,981 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 17:15:31,176 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:15:31,177 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 17:15:31,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:15:31,177 INFO L85 PathProgramCache]: Analyzing trace with hash 935424768, now seen corresponding path program 3 times [2023-05-20 17:15:31,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:15:31,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096280613] [2023-05-20 17:15:31,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:15:31,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:15:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:15:31,522 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 64 proven. 70 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-05-20 17:15:31,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:15:31,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096280613] [2023-05-20 17:15:31,522 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096280613] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:15:31,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [720715455] [2023-05-20 17:15:31,522 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 17:15:31,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:15:31,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:15:31,523 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 17:15:31,548 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 17:15:31,722 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2023-05-20 17:15:31,722 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 17:15:31,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 10 conjunts are in the unsatisfiable core [2023-05-20 17:15:31,728 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:15:32,276 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 65 proven. 69 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-05-20 17:15:32,276 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:15:32,644 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 73 proven. 61 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-05-20 17:15:32,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [720715455] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 17:15:32,644 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 17:15:32,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 24 [2023-05-20 17:15:32,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287114795] [2023-05-20 17:15:32,644 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 17:15:32,645 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2023-05-20 17:15:32,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:15:32,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2023-05-20 17:15:32,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=435, Unknown=0, NotChecked=0, Total=552 [2023-05-20 17:15:32,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:32,646 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:15:32,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 34.958333333333336) internal successors, (839), 24 states have internal predecessors, (839), 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 17:15:32,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:32,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:32,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:32,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:32,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:15:32,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:15:32,647 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:33,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:33,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:33,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:33,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:33,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:15:33,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:15:33,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:15:33,185 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 17:15:33,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:15:33,369 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 17:15:33,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:15:33,369 INFO L85 PathProgramCache]: Analyzing trace with hash 37790824, now seen corresponding path program 4 times [2023-05-20 17:15:33,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:15:33,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046832559] [2023-05-20 17:15:33,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:15:33,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:15:33,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:15:33,867 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 271 proven. 39 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-05-20 17:15:33,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:15:33,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046832559] [2023-05-20 17:15:33,868 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046832559] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:15:33,868 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1110095583] [2023-05-20 17:15:33,868 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 17:15:33,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:15:33,868 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:15:33,871 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 17:15:33,872 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 17:15:34,046 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 17:15:34,046 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 17:15:34,049 INFO L263 TraceCheckSpWp]: Trace formula consists of 830 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-20 17:15:34,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:15:34,765 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 301 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-05-20 17:15:34,765 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:15:35,350 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 301 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2023-05-20 17:15:35,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1110095583] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 17:15:35,351 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 17:15:35,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 34 [2023-05-20 17:15:35,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915370665] [2023-05-20 17:15:35,351 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 17:15:35,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-05-20 17:15:35,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:15:35,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-05-20 17:15:35,353 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=915, Unknown=0, NotChecked=0, Total=1122 [2023-05-20 17:15:35,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:35,353 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:15:35,354 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 25.88235294117647) internal successors, (880), 34 states have internal predecessors, (880), 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 17:15:35,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:35,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:35,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:35,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:35,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:15:35,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:15:35,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:15:35,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:35,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:35,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:35,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:35,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:35,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:15:35,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:15:35,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:15:35,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 17:15:35,787 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 17:15:35,973 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:15:35,973 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 17:15:35,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:15:35,974 INFO L85 PathProgramCache]: Analyzing trace with hash 2034526981, now seen corresponding path program 5 times [2023-05-20 17:15:35,974 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:15:35,974 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778920986] [2023-05-20 17:15:35,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:15:35,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:15:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:15:36,528 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 123 proven. 202 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-05-20 17:15:36,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:15:36,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778920986] [2023-05-20 17:15:36,528 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778920986] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:15:36,528 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461053940] [2023-05-20 17:15:36,528 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 17:15:36,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:15:36,528 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:15:36,541 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 17:15:36,544 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 17:15:36,865 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2023-05-20 17:15:36,865 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 17:15:36,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 1021 conjuncts, 12 conjunts are in the unsatisfiable core [2023-05-20 17:15:36,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:15:37,558 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 121 proven. 180 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2023-05-20 17:15:37,558 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:15:37,866 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 121 proven. 60 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2023-05-20 17:15:37,867 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461053940] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 17:15:37,867 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 17:15:37,867 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 8] total 30 [2023-05-20 17:15:37,869 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [274669895] [2023-05-20 17:15:37,870 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 17:15:37,872 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2023-05-20 17:15:37,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:15:37,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2023-05-20 17:15:37,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=92, Invalid=778, Unknown=0, NotChecked=0, Total=870 [2023-05-20 17:15:37,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:37,873 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:15:37,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 30 states have (on average 35.13333333333333) internal successors, (1054), 30 states have internal predecessors, (1054), 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 17:15:37,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:37,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:37,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:37,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:37,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:15:37,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:15:37,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:15:37,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 17:15:37,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:39,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:39,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:39,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:39,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:39,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:15:39,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:15:39,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:15:39,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 17:15:39,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-05-20 17:15:39,874 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-20 17:15:40,058 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-05-20 17:15:40,058 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 17:15:40,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:15:40,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1422355083, now seen corresponding path program 6 times [2023-05-20 17:15:40,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:15:40,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128852320] [2023-05-20 17:15:40,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:15:40,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:15:40,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:15:40,608 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 98 proven. 262 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2023-05-20 17:15:40,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:15:40,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128852320] [2023-05-20 17:15:40,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128852320] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:15:40,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1620061509] [2023-05-20 17:15:40,609 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-20 17:15:40,609 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:15:40,609 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:15:40,618 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 17:15:40,619 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 17:15:40,846 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2023-05-20 17:15:40,847 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 17:15:40,850 INFO L263 TraceCheckSpWp]: Trace formula consists of 1022 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-20 17:15:40,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:15:41,715 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 337 proven. 24 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-05-20 17:15:41,715 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:15:42,435 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 337 proven. 24 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-05-20 17:15:42,435 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1620061509] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 17:15:42,435 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 17:15:42,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 19, 19] total 48 [2023-05-20 17:15:42,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893767126] [2023-05-20 17:15:42,436 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 17:15:42,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2023-05-20 17:15:42,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:15:42,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2023-05-20 17:15:42,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=265, Invalid=1991, Unknown=0, NotChecked=0, Total=2256 [2023-05-20 17:15:42,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:42,441 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:15:42,441 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 48 states have (on average 27.875) internal successors, (1338), 48 states have internal predecessors, (1338), 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 17:15:42,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:42,441 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:42,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:42,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:42,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:15:42,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:15:42,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:15:42,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 17:15:42,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-05-20 17:15:42,442 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:43,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:43,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:43,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:43,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:43,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:15:43,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:15:43,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:15:43,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 17:15:43,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-05-20 17:15:43,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 17:15:43,817 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 17:15:44,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-05-20 17:15:44,017 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 17:15:44,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:15:44,018 INFO L85 PathProgramCache]: Analyzing trace with hash 2026301938, now seen corresponding path program 7 times [2023-05-20 17:15:44,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:15:44,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023596359] [2023-05-20 17:15:44,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:15:44,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:15:44,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:15:44,696 INFO L134 CoverageAnalysis]: Checked inductivity of 804 backedges. 139 proven. 572 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-05-20 17:15:44,697 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:15:44,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023596359] [2023-05-20 17:15:44,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023596359] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:15:44,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [290876516] [2023-05-20 17:15:44,697 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-20 17:15:44,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:15:44,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:15:44,703 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 17:15:44,708 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 17:15:44,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:15:44,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 1244 conjuncts, 18 conjunts are in the unsatisfiable core [2023-05-20 17:15:44,970 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:15:46,112 INFO L134 CoverageAnalysis]: Checked inductivity of 804 backedges. 152 proven. 559 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-05-20 17:15:46,112 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:15:46,918 INFO L134 CoverageAnalysis]: Checked inductivity of 804 backedges. 174 proven. 537 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2023-05-20 17:15:46,918 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [290876516] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 17:15:46,918 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 17:15:46,919 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19, 19] total 44 [2023-05-20 17:15:46,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440894391] [2023-05-20 17:15:46,919 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 17:15:46,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 44 states [2023-05-20 17:15:46,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:15:46,920 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2023-05-20 17:15:46,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=317, Invalid=1575, Unknown=0, NotChecked=0, Total=1892 [2023-05-20 17:15:46,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:46,921 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:15:46,921 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 44 states, 44 states have (on average 28.772727272727273) internal successors, (1266), 44 states have internal predecessors, (1266), 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 17:15:46,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:46,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:46,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:46,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:46,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:15:46,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:15:46,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:15:46,921 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 17:15:46,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-05-20 17:15:46,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 17:15:46,922 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:48,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:48,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:48,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:48,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:48,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:15:48,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:15:48,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:15:48,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 17:15:48,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-05-20 17:15:48,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 17:15:48,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-20 17:15:48,017 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 17:15:48,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-05-20 17:15:48,217 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 17:15:48,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:15:48,218 INFO L85 PathProgramCache]: Analyzing trace with hash -711717716, now seen corresponding path program 8 times [2023-05-20 17:15:48,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:15:48,218 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712009179] [2023-05-20 17:15:48,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:15:48,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:15:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:15:49,268 INFO L134 CoverageAnalysis]: Checked inductivity of 1251 backedges. 993 proven. 134 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-05-20 17:15:49,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:15:49,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712009179] [2023-05-20 17:15:49,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712009179] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:15:49,270 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1897454586] [2023-05-20 17:15:49,270 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 17:15:49,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:15:49,270 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:15:49,293 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 17:15:49,350 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-05-20 17:15:49,585 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 17:15:49,586 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 17:15:49,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 1427 conjuncts, 22 conjunts are in the unsatisfiable core [2023-05-20 17:15:49,597 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:15:50,919 INFO L134 CoverageAnalysis]: Checked inductivity of 1251 backedges. 1081 proven. 46 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-05-20 17:15:50,919 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:15:51,814 INFO L134 CoverageAnalysis]: Checked inductivity of 1251 backedges. 1081 proven. 46 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2023-05-20 17:15:51,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1897454586] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 17:15:51,815 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 17:15:51,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 54 [2023-05-20 17:15:51,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449122432] [2023-05-20 17:15:51,815 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 17:15:51,829 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-05-20 17:15:51,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:15:51,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-05-20 17:15:51,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=463, Invalid=2399, Unknown=0, NotChecked=0, Total=2862 [2023-05-20 17:15:51,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:51,830 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:15:51,831 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 25.296296296296298) internal successors, (1366), 54 states have internal predecessors, (1366), 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 17:15:51,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:51,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:51,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:51,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:51,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:15:51,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:15:51,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:15:51,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 17:15:51,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-05-20 17:15:51,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 17:15:51,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-20 17:15:51,832 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:52,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:52,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:52,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:52,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:52,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:15:52,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:15:52,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:15:52,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 17:15:52,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-05-20 17:15:52,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 17:15:52,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-20 17:15:52,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 17:15:52,341 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2023-05-20 17:15:52,517 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-05-20 17:15:52,517 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 17:15:52,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:15:52,518 INFO L85 PathProgramCache]: Analyzing trace with hash -1370593207, now seen corresponding path program 9 times [2023-05-20 17:15:52,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:15:52,518 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [606616362] [2023-05-20 17:15:52,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:15:52,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:15:52,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:15:53,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1338 backedges. 187 proven. 1000 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-05-20 17:15:53,509 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:15:53,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [606616362] [2023-05-20 17:15:53,509 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [606616362] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:15:53,509 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1755147871] [2023-05-20 17:15:53,509 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 17:15:53,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:15:53,509 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:15:53,510 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 17:15:53,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-05-20 17:15:53,955 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-05-20 17:15:53,955 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 17:15:53,962 INFO L263 TraceCheckSpWp]: Trace formula consists of 1466 conjuncts, 24 conjunts are in the unsatisfiable core [2023-05-20 17:15:53,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:15:55,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1338 backedges. 151 proven. 962 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2023-05-20 17:15:55,433 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:15:56,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1338 backedges. 151 proven. 5 refuted. 0 times theorem prover too weak. 1182 trivial. 0 not checked. [2023-05-20 17:15:56,116 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1755147871] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 17:15:56,116 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 17:15:56,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 25, 8] total 51 [2023-05-20 17:15:56,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078910594] [2023-05-20 17:15:56,116 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 17:15:56,117 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 51 states [2023-05-20 17:15:56,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:15:56,118 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2023-05-20 17:15:56,118 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=2382, Unknown=0, NotChecked=0, Total=2550 [2023-05-20 17:15:56,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:56,118 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:15:56,119 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 51 states, 51 states have (on average 31.176470588235293) internal successors, (1590), 51 states have internal predecessors, (1590), 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 17:15:56,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:15:56,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:56,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:56,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:15:56,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:15:56,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:15:56,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:15:56,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 17:15:56,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-05-20 17:15:56,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 17:15:56,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-20 17:15:56,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 17:15:56,120 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:16:00,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:16:00,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:16:00,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:16:00,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:16:00,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:16:00,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:16:00,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:16:00,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 17:16:00,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-05-20 17:16:00,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 17:16:00,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-20 17:16:00,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 17:16:00,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2023-05-20 17:16:00,648 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2023-05-20 17:16:00,841 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-05-20 17:16:00,841 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 17:16:00,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:16:00,842 INFO L85 PathProgramCache]: Analyzing trace with hash -124691919, now seen corresponding path program 10 times [2023-05-20 17:16:00,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:16:00,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460900983] [2023-05-20 17:16:00,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:16:00,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:16:00,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:16:02,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 1379 proven. 192 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-05-20 17:16:02,151 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:16:02,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460900983] [2023-05-20 17:16:02,151 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1460900983] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:16:02,151 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198165558] [2023-05-20 17:16:02,151 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 17:16:02,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:16:02,151 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:16:02,152 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 17:16:02,178 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-05-20 17:16:02,372 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 17:16:02,372 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 17:16:02,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 1367 conjuncts, 26 conjunts are in the unsatisfiable core [2023-05-20 17:16:02,382 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:16:03,786 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 1496 proven. 75 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-05-20 17:16:03,786 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:16:04,849 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 1496 proven. 75 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2023-05-20 17:16:04,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198165558] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 17:16:04,849 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 17:16:04,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27, 27] total 64 [2023-05-20 17:16:04,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398600648] [2023-05-20 17:16:04,849 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 17:16:04,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 64 states [2023-05-20 17:16:04,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:16:04,851 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2023-05-20 17:16:04,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=630, Invalid=3402, Unknown=0, NotChecked=0, Total=4032 [2023-05-20 17:16:04,852 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:16:04,852 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:16:04,853 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 64 states, 64 states have (on average 25.359375) internal successors, (1623), 64 states have internal predecessors, (1623), 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 17:16:04,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:16:04,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:16:04,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:16:04,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:16:04,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:16:04,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:16:04,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:16:04,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 17:16:04,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-05-20 17:16:04,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 17:16:04,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-20 17:16:04,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 17:16:04,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2023-05-20 17:16:04,853 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:16:05,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:16:05,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:16:05,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:16:05,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:16:05,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:16:05,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:16:05,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:16:05,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 17:16:05,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-05-20 17:16:05,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 17:16:05,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-20 17:16:05,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 17:16:05,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2023-05-20 17:16:05,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-20 17:16:05,373 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-05-20 17:16:05,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-05-20 17:16:05,573 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 17:16:05,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:16:05,574 INFO L85 PathProgramCache]: Analyzing trace with hash 70564660, now seen corresponding path program 11 times [2023-05-20 17:16:05,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:16:05,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745587474] [2023-05-20 17:16:05,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:16:05,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:16:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:16:06,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 62 proven. 1546 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2023-05-20 17:16:06,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:16:06,801 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745587474] [2023-05-20 17:16:06,801 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745587474] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:16:06,802 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868427740] [2023-05-20 17:16:06,802 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 17:16:06,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:16:06,802 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:16:06,817 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 17:16:06,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-05-20 17:16:13,711 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2023-05-20 17:16:13,711 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 17:16:13,724 INFO L263 TraceCheckSpWp]: Trace formula consists of 1642 conjuncts, 24 conjunts are in the unsatisfiable core [2023-05-20 17:16:13,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:16:15,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 12 proven. 1485 refuted. 0 times theorem prover too weak. 333 trivial. 0 not checked. [2023-05-20 17:16:15,086 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:16:15,857 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 12 proven. 300 refuted. 0 times theorem prover too weak. 1518 trivial. 0 not checked. [2023-05-20 17:16:15,857 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868427740] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 17:16:15,857 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 17:16:15,857 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 25, 8] total 54 [2023-05-20 17:16:15,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758648361] [2023-05-20 17:16:15,857 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 17:16:15,858 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2023-05-20 17:16:15,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:16:15,859 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2023-05-20 17:16:15,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=2656, Unknown=0, NotChecked=0, Total=2862 [2023-05-20 17:16:15,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:16:15,859 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:16:15,860 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 32.925925925925924) internal successors, (1778), 54 states have internal predecessors, (1778), 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 17:16:15,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:16:15,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:16:15,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:16:15,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:16:15,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:16:15,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:16:15,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:16:15,860 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 17:16:15,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-05-20 17:16:15,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 17:16:15,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-20 17:16:15,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 17:16:15,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 131 states. [2023-05-20 17:16:15,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-20 17:16:15,861 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:16:20,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:16:20,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:16:20,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:16:20,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:16:20,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:16:20,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:16:20,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:16:20,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 17:16:20,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-05-20 17:16:20,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 17:16:20,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-20 17:16:20,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 17:16:20,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2023-05-20 17:16:20,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-20 17:16:20,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2023-05-20 17:16:20,566 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2023-05-20 17:16:20,759 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:16:20,760 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 17:16:20,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:16:20,760 INFO L85 PathProgramCache]: Analyzing trace with hash -1082796676, now seen corresponding path program 12 times [2023-05-20 17:16:20,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:16:20,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248866716] [2023-05-20 17:16:20,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:16:20,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:16:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:16:22,760 INFO L134 CoverageAnalysis]: Checked inductivity of 4126 backedges. 3408 proven. 257 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2023-05-20 17:16:22,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:16:22,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248866716] [2023-05-20 17:16:22,760 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248866716] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:16:22,760 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1588321218] [2023-05-20 17:16:22,760 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-05-20 17:16:22,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:16:22,760 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:16:22,761 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 17:16:22,763 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-05-20 17:16:24,051 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2023-05-20 17:16:24,051 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 17:16:24,061 INFO L263 TraceCheckSpWp]: Trace formula consists of 2190 conjuncts, 32 conjunts are in the unsatisfiable core [2023-05-20 17:16:24,079 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:16:26,136 INFO L134 CoverageAnalysis]: Checked inductivity of 4126 backedges. 3667 proven. 111 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2023-05-20 17:16:26,136 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:16:27,727 INFO L134 CoverageAnalysis]: Checked inductivity of 4126 backedges. 3667 proven. 111 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2023-05-20 17:16:27,727 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1588321218] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 17:16:27,727 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 17:16:27,728 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 33, 33] total 90 [2023-05-20 17:16:27,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721671415] [2023-05-20 17:16:27,728 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 17:16:27,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 90 states [2023-05-20 17:16:27,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:16:27,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2023-05-20 17:16:27,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1017, Invalid=6993, Unknown=0, NotChecked=0, Total=8010 [2023-05-20 17:16:27,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:16:27,732 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:16:27,733 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 90 states, 90 states have (on average 32.51111111111111) internal successors, (2926), 90 states have internal predecessors, (2926), 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 17:16:27,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:16:27,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:16:27,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:16:27,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:16:27,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:16:27,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:16:27,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:16:27,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 17:16:27,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-05-20 17:16:27,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 17:16:27,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-20 17:16:27,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 17:16:27,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2023-05-20 17:16:27,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-20 17:16:27,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2023-05-20 17:16:27,733 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:16:28,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:16:28,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:16:28,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:16:28,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:16:28,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:16:28,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:16:28,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:16:28,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 17:16:28,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-05-20 17:16:28,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 17:16:28,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-20 17:16:28,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 17:16:28,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2023-05-20 17:16:28,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-20 17:16:28,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2023-05-20 17:16:28,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-20 17:16:28,831 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-05-20 17:16:29,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2023-05-20 17:16:29,023 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 17:16:29,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:16:29,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1569883364, now seen corresponding path program 13 times [2023-05-20 17:16:29,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:16:29,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581130258] [2023-05-20 17:16:29,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:16:29,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:16:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:16:31,620 INFO L134 CoverageAnalysis]: Checked inductivity of 4405 backedges. 2911 proven. 1026 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2023-05-20 17:16:31,621 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:16:31,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581130258] [2023-05-20 17:16:31,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581130258] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:16:31,621 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [889929144] [2023-05-20 17:16:31,621 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2023-05-20 17:16:31,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:16:31,621 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:16:31,622 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 17:16:31,623 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2023-05-20 17:16:31,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:16:31,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 2268 conjuncts, 38 conjunts are in the unsatisfiable core [2023-05-20 17:16:31,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:16:34,214 INFO L134 CoverageAnalysis]: Checked inductivity of 4405 backedges. 3733 proven. 204 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2023-05-20 17:16:34,214 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:16:36,042 INFO L134 CoverageAnalysis]: Checked inductivity of 4405 backedges. 3733 proven. 204 refuted. 0 times theorem prover too weak. 468 trivial. 0 not checked. [2023-05-20 17:16:36,043 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [889929144] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 17:16:36,043 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 17:16:36,043 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39, 39] total 94 [2023-05-20 17:16:36,043 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533055433] [2023-05-20 17:16:36,043 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 17:16:36,045 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2023-05-20 17:16:36,045 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:16:36,045 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2023-05-20 17:16:36,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1287, Invalid=7455, Unknown=0, NotChecked=0, Total=8742 [2023-05-20 17:16:36,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:16:36,047 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:16:36,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 24.93617021276596) internal successors, (2344), 94 states have internal predecessors, (2344), 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 17:16:36,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:16:36,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:16:36,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:16:36,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:16:36,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:16:36,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:16:36,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:16:36,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 17:16:36,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-05-20 17:16:36,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 17:16:36,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-20 17:16:36,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 17:16:36,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2023-05-20 17:16:36,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-20 17:16:36,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2023-05-20 17:16:36,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-20 17:16:36,049 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:16:37,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:16:37,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:16:37,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:16:37,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:16:37,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:16:37,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:16:37,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:16:37,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 17:16:37,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-05-20 17:16:37,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 17:16:37,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-20 17:16:37,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 17:16:37,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2023-05-20 17:16:37,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-20 17:16:37,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2023-05-20 17:16:37,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-20 17:16:37,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-20 17:16:37,194 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2023-05-20 17:16:37,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2023-05-20 17:16:37,394 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 17:16:37,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:16:37,395 INFO L85 PathProgramCache]: Analyzing trace with hash -212661447, now seen corresponding path program 14 times [2023-05-20 17:16:37,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:16:37,395 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080758718] [2023-05-20 17:16:37,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:16:37,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:16:37,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:16:40,087 INFO L134 CoverageAnalysis]: Checked inductivity of 4576 backedges. 988 proven. 3006 refuted. 0 times theorem prover too weak. 582 trivial. 0 not checked. [2023-05-20 17:16:40,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:16:40,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080758718] [2023-05-20 17:16:40,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080758718] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:16:40,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1493479385] [2023-05-20 17:16:40,087 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-20 17:16:40,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:16:40,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:16:40,088 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 17:16:40,089 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2023-05-20 17:16:40,458 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-20 17:16:40,458 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 17:16:40,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 2307 conjuncts, 38 conjunts are in the unsatisfiable core [2023-05-20 17:16:40,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:16:43,094 INFO L134 CoverageAnalysis]: Checked inductivity of 4576 backedges. 1031 proven. 2963 refuted. 0 times theorem prover too weak. 582 trivial. 0 not checked. [2023-05-20 17:16:43,094 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:16:44,332 INFO L134 CoverageAnalysis]: Checked inductivity of 4576 backedges. 1088 proven. 2906 refuted. 0 times theorem prover too weak. 582 trivial. 0 not checked. [2023-05-20 17:16:44,333 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1493479385] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 17:16:44,333 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 17:16:44,333 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39, 39] total 94 [2023-05-20 17:16:44,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11838814] [2023-05-20 17:16:44,333 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 17:16:44,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 94 states [2023-05-20 17:16:44,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:16:44,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2023-05-20 17:16:44,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1272, Invalid=7470, Unknown=0, NotChecked=0, Total=8742 [2023-05-20 17:16:44,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:16:44,337 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:16:44,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 94 states, 94 states have (on average 24.28723404255319) internal successors, (2283), 94 states have internal predecessors, (2283), 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 17:16:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:16:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:16:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:16:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:16:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:16:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:16:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:16:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 17:16:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-05-20 17:16:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 17:16:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-20 17:16:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 17:16:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2023-05-20 17:16:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-20 17:16:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 112 states. [2023-05-20 17:16:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-20 17:16:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-20 17:16:44,338 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:16:47,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:16:47,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:16:47,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:16:47,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:16:47,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:16:47,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:16:47,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:16:47,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 17:16:47,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-05-20 17:16:47,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 17:16:47,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-20 17:16:47,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 17:16:47,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2023-05-20 17:16:47,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-20 17:16:47,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-05-20 17:16:47,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-20 17:16:47,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-20 17:16:47,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2023-05-20 17:16:47,851 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2023-05-20 17:16:48,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2023-05-20 17:16:48,034 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 17:16:48,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:16:48,035 INFO L85 PathProgramCache]: Analyzing trace with hash 279592463, now seen corresponding path program 15 times [2023-05-20 17:16:48,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:16:48,035 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956334292] [2023-05-20 17:16:48,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:16:48,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:16:48,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:16:51,645 INFO L134 CoverageAnalysis]: Checked inductivity of 6704 backedges. 5627 proven. 494 refuted. 0 times theorem prover too weak. 583 trivial. 0 not checked. [2023-05-20 17:16:51,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:16:51,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956334292] [2023-05-20 17:16:51,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [956334292] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:16:51,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1669777454] [2023-05-20 17:16:51,646 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-20 17:16:51,646 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:16:51,646 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:16:51,647 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 17:16:51,673 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-05-20 17:16:57,285 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-05-20 17:16:57,285 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 17:16:57,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 2673 conjuncts, 126 conjunts are in the unsatisfiable core [2023-05-20 17:16:57,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:17:01,554 INFO L134 CoverageAnalysis]: Checked inductivity of 6704 backedges. 5917 proven. 261 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2023-05-20 17:17:01,554 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:17:07,488 INFO L134 CoverageAnalysis]: Checked inductivity of 6704 backedges. 350 proven. 5889 refuted. 0 times theorem prover too weak. 465 trivial. 0 not checked. [2023-05-20 17:17:07,489 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1669777454] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 17:17:07,489 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 17:17:07,489 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 58, 69] total 157 [2023-05-20 17:17:07,489 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [848239872] [2023-05-20 17:17:07,489 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 17:17:07,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 157 states [2023-05-20 17:17:07,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:17:07,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2023-05-20 17:17:07,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2204, Invalid=22288, Unknown=0, NotChecked=0, Total=24492 [2023-05-20 17:17:07,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:17:07,496 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:17:07,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 157 states, 157 states have (on average 23.43312101910828) internal successors, (3679), 157 states have internal predecessors, (3679), 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 17:17:07,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:17:07,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:17:07,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:17:07,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:17:07,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:17:07,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:17:07,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:17:07,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 17:17:07,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-05-20 17:17:07,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 17:17:07,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-20 17:17:07,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 17:17:07,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2023-05-20 17:17:07,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-20 17:17:07,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2023-05-20 17:17:07,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-20 17:17:07,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-20 17:17:07,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2023-05-20 17:17:07,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:17:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:17:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:17:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:17:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:17:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:17:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:17:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:17:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 17:17:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-05-20 17:17:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 17:17:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-20 17:17:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 17:17:11,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2023-05-20 17:17:11,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-20 17:17:11,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-05-20 17:17:11,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-20 17:17:11,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-20 17:17:11,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2023-05-20 17:17:11,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-20 17:17:11,665 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-05-20 17:17:11,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:17:11,853 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 17:17:11,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:17:11,854 INFO L85 PathProgramCache]: Analyzing trace with hash 1638279036, now seen corresponding path program 16 times [2023-05-20 17:17:11,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:17:11,854 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599667284] [2023-05-20 17:17:11,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:17:11,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:17:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:17:17,528 INFO L134 CoverageAnalysis]: Checked inductivity of 9980 backedges. 7656 proven. 1642 refuted. 0 times theorem prover too weak. 682 trivial. 0 not checked. [2023-05-20 17:17:17,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:17:17,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599667284] [2023-05-20 17:17:17,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599667284] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:17:17,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1713962991] [2023-05-20 17:17:17,529 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-05-20 17:17:17,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:17:17,529 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:17:17,531 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 17:17:17,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2023-05-20 17:17:17,945 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-05-20 17:17:17,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-20 17:17:17,953 INFO L263 TraceCheckSpWp]: Trace formula consists of 2683 conjuncts, 46 conjunts are in the unsatisfiable core [2023-05-20 17:17:17,974 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-20 17:17:20,354 INFO L134 CoverageAnalysis]: Checked inductivity of 9980 backedges. 8564 proven. 325 refuted. 0 times theorem prover too weak. 1091 trivial. 0 not checked. [2023-05-20 17:17:20,354 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-20 17:17:21,841 INFO L134 CoverageAnalysis]: Checked inductivity of 9980 backedges. 8564 proven. 325 refuted. 0 times theorem prover too weak. 1091 trivial. 0 not checked. [2023-05-20 17:17:21,841 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1713962991] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-20 17:17:21,841 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-20 17:17:21,849 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 47, 47] total 120 [2023-05-20 17:17:21,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855441251] [2023-05-20 17:17:21,849 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-20 17:17:21,851 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 120 states [2023-05-20 17:17:21,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:17:21,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2023-05-20 17:17:21,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1936, Invalid=12344, Unknown=0, NotChecked=0, Total=14280 [2023-05-20 17:17:21,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:17:21,853 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:17:21,854 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 120 states, 120 states have (on average 27.033333333333335) internal successors, (3244), 120 states have internal predecessors, (3244), 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 17:17:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:17:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:17:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:17:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:17:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:17:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:17:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:17:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 17:17:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-05-20 17:17:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 17:17:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-20 17:17:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 17:17:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2023-05-20 17:17:21,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-20 17:17:21,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2023-05-20 17:17:21,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-20 17:17:21,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-20 17:17:21,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2023-05-20 17:17:21,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-05-20 17:17:21,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:17:22,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:17:22,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:17:22,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:17:22,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:17:22,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:17:22,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:17:22,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:17:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-20 17:17:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2023-05-20 17:17:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2023-05-20 17:17:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2023-05-20 17:17:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-20 17:17:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2023-05-20 17:17:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2023-05-20 17:17:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2023-05-20 17:17:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2023-05-20 17:17:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2023-05-20 17:17:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2023-05-20 17:17:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-20 17:17:22,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2023-05-20 17:17:22,883 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2023-05-20 17:17:23,081 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:17:23,082 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-20 17:17:23,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-20 17:17:23,082 INFO L85 PathProgramCache]: Analyzing trace with hash -1233050919, now seen corresponding path program 17 times [2023-05-20 17:17:23,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-20 17:17:23,082 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1945819821] [2023-05-20 17:17:23,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-20 17:17:23,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-20 17:17:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-20 17:17:28,051 INFO L134 CoverageAnalysis]: Checked inductivity of 10193 backedges. 3510 proven. 5446 refuted. 0 times theorem prover too weak. 1237 trivial. 0 not checked. [2023-05-20 17:17:28,051 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-20 17:17:28,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1945819821] [2023-05-20 17:17:28,051 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1945819821] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-20 17:17:28,051 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111234722] [2023-05-20 17:17:28,051 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2023-05-20 17:17:28,051 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-20 17:17:28,052 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-20 17:17:28,053 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-20 17:17:28,054 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process Received shutdown request... [2023-05-20 17:29:57,707 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 17:29:57,730 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-20 17:29:57,730 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 17:29:58,724 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-05-20 17:29:58,748 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 [2023-05-20 17:29:58,930 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forcibly destroying the process [2023-05-20 17:29:58,962 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-05-20 17:29:58,962 INFO L184 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2023-05-20 17:29:58,962 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2023-05-20 17:29:58,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181594865] [2023-05-20 17:29:58,963 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2023-05-20 17:29:58,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 47 states [2023-05-20 17:29:58,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-20 17:29:58,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2023-05-20 17:29:58,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=1886, Unknown=0, NotChecked=0, Total=2162 [2023-05-20 17:29:58,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:58,964 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-20 17:29:58,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 47 states, 47 states have (on average 32.638297872340424) internal successors, (1534), 47 states have internal predecessors, (1534), 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 17:29:58,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:58,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:58,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:58,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-20 17:29:58,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2023-05-20 17:29:58,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:29:58,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2023-05-20 17:29:58,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-20 17:29:58,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 64 states. [2023-05-20 17:29:58,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2023-05-20 17:29:58,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2023-05-20 17:29:58,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-20 17:29:58,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 137 states. [2023-05-20 17:29:58,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2023-05-20 17:29:58,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 113 states. [2023-05-20 17:29:58,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2023-05-20 17:29:58,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2023-05-20 17:29:58,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 98 states. [2023-05-20 17:29:58,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-05-20 17:29:58,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2023-05-20 17:29:58,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-20 17:29:58,969 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 137 [2023-05-20 17:29:58,969 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2023-05-20 17:29:58,969 WARN L619 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2023-05-20 17:29:58,971 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-05-20 17:29:58,971 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-20 17:29:58,971 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-20 17:29:58,971 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-20 17:29:58,975 INFO L444 BasicCegarLoop]: Path program histogram: [17, 1, 1, 1, 1] [2023-05-20 17:29:58,976 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-20 17:29:58,976 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-20 17:29:58,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.05 05:29:58 BasicIcfg [2023-05-20 17:29:58,997 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-20 17:29:58,997 INFO L158 Benchmark]: Toolchain (without parser) took 876688.43ms. Allocated memory was 211.8MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 185.1MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 314.5MB. Max. memory is 8.0GB. [2023-05-20 17:29:58,998 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 169.9MB. Free memory is still 124.8MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-20 17:29:58,998 INFO L158 Benchmark]: CACSL2BoogieTranslator took 166.57ms. Allocated memory is still 211.8MB. Free memory was 185.1MB in the beginning and 179.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. [2023-05-20 17:29:58,998 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.94ms. Allocated memory is still 211.8MB. Free memory was 179.9MB in the beginning and 177.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 17:29:58,998 INFO L158 Benchmark]: Boogie Preprocessor took 23.66ms. Allocated memory is still 211.8MB. Free memory was 177.3MB in the beginning and 175.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-20 17:29:58,999 INFO L158 Benchmark]: RCFGBuilder took 556.84ms. Allocated memory is still 211.8MB. Free memory was 175.2MB in the beginning and 150.0MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. [2023-05-20 17:29:58,999 INFO L158 Benchmark]: TraceAbstraction took 875898.15ms. Allocated memory was 211.8MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 149.0MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 280.0MB. Max. memory is 8.0GB. [2023-05-20 17:29:59,000 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 169.9MB. Free memory is still 124.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 166.57ms. Allocated memory is still 211.8MB. Free memory was 185.1MB in the beginning and 179.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 31.94ms. Allocated memory is still 211.8MB. Free memory was 179.9MB in the beginning and 177.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 23.66ms. Allocated memory is still 211.8MB. Free memory was 177.3MB in the beginning and 175.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 556.84ms. Allocated memory is still 211.8MB. Free memory was 175.2MB in the beginning and 150.0MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB. * TraceAbstraction took 875898.15ms. Allocated memory was 211.8MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 149.0MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 280.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 226820, independent: 213216, independent conditional: 186443, independent unconditional: 26773, dependent: 13604, dependent conditional: 13581, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 213265, independent: 213216, independent conditional: 186443, independent unconditional: 26773, dependent: 49, dependent conditional: 26, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 213265, independent: 213216, independent conditional: 186443, independent unconditional: 26773, dependent: 49, dependent conditional: 26, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 213612, independent: 213216, independent conditional: 0, independent unconditional: 213216, dependent: 396, dependent conditional: 347, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 213612, independent: 213216, independent conditional: 0, independent unconditional: 213216, dependent: 396, dependent conditional: 168, dependent unconditional: 228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 213612, independent: 213216, independent conditional: 0, independent unconditional: 213216, dependent: 396, dependent conditional: 168, dependent unconditional: 228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 18544, independent: 18479, independent conditional: 0, independent unconditional: 18479, dependent: 65, dependent conditional: 42, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 18544, independent: 18477, independent conditional: 0, independent unconditional: 18477, dependent: 67, dependent conditional: 0, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 67, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 65, dependent conditional: 42, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 67, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 65, dependent conditional: 42, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 130, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 96, dependent conditional: 54, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 213612, independent: 194737, independent conditional: 0, independent unconditional: 194737, dependent: 331, dependent conditional: 126, dependent unconditional: 205, unknown: 18544, unknown conditional: 42, unknown unconditional: 18502] , Statistics on independence cache: Total cache size (in pairs): 18544, Positive cache size: 18479, Positive conditional cache size: 0, Positive unconditional cache size: 18479, Negative cache size: 65, Negative conditional cache size: 42, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 179, Maximal queried relation: 19, Independence queries for same thread: 13555 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 1179, Number of trivial persistent sets: 591, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26796, independent: 26773, independent conditional: 0, independent unconditional: 26773, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 226820, independent: 213216, independent conditional: 186443, independent unconditional: 26773, dependent: 13604, dependent conditional: 13581, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 213265, independent: 213216, independent conditional: 186443, independent unconditional: 26773, dependent: 49, dependent conditional: 26, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 213265, independent: 213216, independent conditional: 186443, independent unconditional: 26773, dependent: 49, dependent conditional: 26, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 213612, independent: 213216, independent conditional: 0, independent unconditional: 213216, dependent: 396, dependent conditional: 347, dependent unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 213612, independent: 213216, independent conditional: 0, independent unconditional: 213216, dependent: 396, dependent conditional: 168, dependent unconditional: 228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 213612, independent: 213216, independent conditional: 0, independent unconditional: 213216, dependent: 396, dependent conditional: 168, dependent unconditional: 228, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 18544, independent: 18479, independent conditional: 0, independent unconditional: 18479, dependent: 65, dependent conditional: 42, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 18544, independent: 18477, independent conditional: 0, independent unconditional: 18477, dependent: 67, dependent conditional: 0, dependent unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 67, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 65, dependent conditional: 42, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 67, independent: 2, independent conditional: 0, independent unconditional: 2, dependent: 65, dependent conditional: 42, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 130, independent: 34, independent conditional: 0, independent unconditional: 34, dependent: 96, dependent conditional: 54, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 213612, independent: 194737, independent conditional: 0, independent unconditional: 194737, dependent: 331, dependent conditional: 126, dependent unconditional: 205, unknown: 18544, unknown conditional: 42, unknown unconditional: 18502] , Statistics on independence cache: Total cache size (in pairs): 18544, Positive cache size: 18479, Positive conditional cache size: 0, Positive unconditional cache size: 18479, Negative cache size: 65, Negative conditional cache size: 42, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 179, Maximal queried relation: 19, Independence queries for same thread: 13555 - TimeoutResultAtElement [Line: 91]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 84]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 85]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 83]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 481 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 875.8s, OverallIterations: 21, TraceHistogramMax: 0, PathProgramHistogramMax: 17, EmptinessCheckTime: 28.0s, 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: 851, 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: 1.0s SsaConstructionTime, 16.2s SatisfiabilityAnalysisTime, 73.4s InterpolantComputationTime, 32852 NumberOfCodeBlocks, 32504 NumberOfCodeBlocksAsserted, 80 NumberOfCheckSat, 48032 ConstructedInterpolants, 0 QuantifiedInterpolants, 218958 SizeOfPredicates, 420 NumberOfNonLiveVariables, 25654 ConjunctsInSsa, 480 ConjunctsInUnsatCore, 57 InterpolantComputations, 4 PerfectInterpolantSequences, 91139/124970 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