/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/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf --traceabstraction.use.on-demand.petri.net.difference true --traceabstraction.size.reduction.to.apply.after.petri.net.difference REMOVE_DEAD -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/fib_unsafe-12.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-11 23:14:43,400 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-11 23:14:43,402 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-11 23:14:43,432 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-11 23:14:43,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-11 23:14:43,434 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-11 23:14:43,438 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-11 23:14:43,441 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-11 23:14:43,444 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-11 23:14:43,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-11 23:14:43,448 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-11 23:14:43,450 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-11 23:14:43,450 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-11 23:14:43,452 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-11 23:14:43,452 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-11 23:14:43,455 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-11 23:14:43,455 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-11 23:14:43,456 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-11 23:14:43,457 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-11 23:14:43,461 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-11 23:14:43,462 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-11 23:14:43,463 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-11 23:14:43,463 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-11 23:14:43,464 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-11 23:14:43,469 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-11 23:14:43,470 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-11 23:14:43,470 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-11 23:14:43,471 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-11 23:14:43,471 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-11 23:14:43,472 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-11 23:14:43,472 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-11 23:14:43,473 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-11 23:14:43,474 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-11 23:14:43,475 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-11 23:14:43,475 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-11 23:14:43,476 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-11 23:14:43,476 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-11 23:14:43,476 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-11 23:14:43,476 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-11 23:14:43,477 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-11 23:14:43,477 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-11 23:14:43,478 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-NoLbe.epf [2022-12-11 23:14:43,501 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-11 23:14:43,502 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-11 23:14:43,503 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-11 23:14:43,503 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-11 23:14:43,504 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-11 23:14:43,504 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-11 23:14:43,504 INFO L138 SettingsManager]: * Use SBE=true [2022-12-11 23:14:43,504 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-11 23:14:43,505 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-11 23:14:43,505 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-11 23:14:43,505 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-11 23:14:43,505 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-11 23:14:43,506 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-11 23:14:43,506 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-11 23:14:43,506 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-11 23:14:43,506 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-11 23:14:43,506 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-11 23:14:43,506 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-11 23:14:43,506 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-11 23:14:43,506 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-11 23:14:43,506 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-11 23:14:43,506 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-11 23:14:43,507 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-11 23:14:43,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 23:14:43,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-11 23:14:43,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-11 23:14:43,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-11 23:14:43,507 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-11 23:14:43,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-11 23:14:43,507 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-11 23:14:43,507 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-11 23:14:43,508 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Size reduction to apply after Petri net difference -> REMOVE_DEAD [2022-12-11 23:14:43,805 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-11 23:14:43,818 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-11 23:14:43,820 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-11 23:14:43,821 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-11 23:14:43,821 INFO L275 PluginConnector]: CDTParser initialized [2022-12-11 23:14:43,822 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/fib_unsafe-12.i [2022-12-11 23:14:44,686 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-11 23:14:44,948 INFO L351 CDTParser]: Found 1 translation units. [2022-12-11 23:14:44,948 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_unsafe-12.i [2022-12-11 23:14:44,956 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea1abc32b/a42123eb9adb4ec8858919867b01a9e1/FLAGffc70e2fb [2022-12-11 23:14:44,972 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ea1abc32b/a42123eb9adb4ec8858919867b01a9e1 [2022-12-11 23:14:44,977 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-11 23:14:44,978 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-11 23:14:44,978 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-11 23:14:44,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-11 23:14:44,980 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-11 23:14:44,981 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 11:14:44" (1/1) ... [2022-12-11 23:14:44,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e1d030e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:14:44, skipping insertion in model container [2022-12-11 23:14:44,981 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 11:14:44" (1/1) ... [2022-12-11 23:14:44,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-11 23:14:45,012 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-11 23:14:45,197 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_unsafe-12.i[30243,30256] [2022-12-11 23:14:45,204 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 23:14:45,205 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 23:14:45,208 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 23:14:45,208 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 23:14:45,212 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 23:14:45,213 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 23:14:45,213 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 23:14:45,213 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 23:14:45,216 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 23:14:45,217 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 23:14:45,219 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 23:14:45,226 INFO L203 MainTranslator]: Completed pre-run [2022-12-11 23:14:45,257 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_unsafe-12.i[30243,30256] [2022-12-11 23:14:45,258 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 23:14:45,258 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 23:14:45,259 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 23:14:45,265 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 23:14:45,269 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 23:14:45,270 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 23:14:45,270 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 23:14:45,270 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 23:14:45,272 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-11 23:14:45,272 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-11 23:14:45,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 23:14:45,305 INFO L208 MainTranslator]: Completed translation [2022-12-11 23:14:45,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:14:45 WrapperNode [2022-12-11 23:14:45,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-11 23:14:45,307 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-11 23:14:45,307 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-11 23:14:45,308 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-11 23:14:45,313 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:14:45" (1/1) ... [2022-12-11 23:14:45,338 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:14:45" (1/1) ... [2022-12-11 23:14:45,359 INFO L138 Inliner]: procedures = 165, calls = 28, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 76 [2022-12-11 23:14:45,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-11 23:14:45,361 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-11 23:14:45,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-11 23:14:45,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-11 23:14:45,367 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:14:45" (1/1) ... [2022-12-11 23:14:45,367 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:14:45" (1/1) ... [2022-12-11 23:14:45,372 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:14:45" (1/1) ... [2022-12-11 23:14:45,372 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:14:45" (1/1) ... [2022-12-11 23:14:45,386 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:14:45" (1/1) ... [2022-12-11 23:14:45,388 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:14:45" (1/1) ... [2022-12-11 23:14:45,389 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:14:45" (1/1) ... [2022-12-11 23:14:45,390 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:14:45" (1/1) ... [2022-12-11 23:14:45,391 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-11 23:14:45,392 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-11 23:14:45,392 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-11 23:14:45,392 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-11 23:14:45,392 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:14:45" (1/1) ... [2022-12-11 23:14:45,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 23:14:45,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-11 23:14:45,453 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) [2022-12-11 23:14:45,459 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 [2022-12-11 23:14:45,491 INFO L130 BoogieDeclarations]: Found specification of procedure t1 [2022-12-11 23:14:45,492 INFO L138 BoogieDeclarations]: Found implementation of procedure t1 [2022-12-11 23:14:45,492 INFO L130 BoogieDeclarations]: Found specification of procedure t2 [2022-12-11 23:14:45,492 INFO L138 BoogieDeclarations]: Found implementation of procedure t2 [2022-12-11 23:14:45,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-11 23:14:45,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-11 23:14:45,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-11 23:14:45,492 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-11 23:14:45,492 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-11 23:14:45,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-11 23:14:45,492 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-11 23:14:45,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-11 23:14:45,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-11 23:14:45,494 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-11 23:14:45,579 INFO L236 CfgBuilder]: Building ICFG [2022-12-11 23:14:45,580 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-11 23:14:45,734 INFO L277 CfgBuilder]: Performing block encoding [2022-12-11 23:14:45,744 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-11 23:14:45,744 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2022-12-11 23:14:45,746 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 11:14:45 BoogieIcfgContainer [2022-12-11 23:14:45,746 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-11 23:14:45,748 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-11 23:14:45,748 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-11 23:14:45,750 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-11 23:14:45,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.12 11:14:44" (1/3) ... [2022-12-11 23:14:45,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3893ed63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 11:14:45, skipping insertion in model container [2022-12-11 23:14:45,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 11:14:45" (2/3) ... [2022-12-11 23:14:45,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3893ed63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 11:14:45, skipping insertion in model container [2022-12-11 23:14:45,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 11:14:45" (3/3) ... [2022-12-11 23:14:45,752 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_unsafe-12.i [2022-12-11 23:14:45,769 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-11 23:14:45,769 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-11 23:14:45,769 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-11 23:14:45,839 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-11 23:14:45,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 93 places, 93 transitions, 196 flow [2022-12-11 23:14:45,932 INFO L130 PetriNetUnfolder]: 7/91 cut-off events. [2022-12-11 23:14:45,932 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-11 23:14:45,937 INFO L83 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 91 events. 7/91 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 74 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 65. Up to 2 conditions per place. [2022-12-11 23:14:45,937 INFO L82 GeneralOperation]: Start removeDead. Operand has 93 places, 93 transitions, 196 flow [2022-12-11 23:14:45,941 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 91 places, 91 transitions, 188 flow [2022-12-11 23:14:45,951 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-11 23:14:45,956 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=false, mAutomataTypeConcurrency=PETRI_NET, 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;@33efe0ae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-11 23:14:45,957 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-11 23:14:45,983 INFO L130 PetriNetUnfolder]: 6/81 cut-off events. [2022-12-11 23:14:45,983 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-11 23:14:45,983 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 23:14:45,983 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 23:14:45,984 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 23:14:45,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 23:14:45,988 INFO L85 PathProgramCache]: Analyzing trace with hash 95801150, now seen corresponding path program 1 times [2022-12-11 23:14:45,994 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 23:14:45,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535102040] [2022-12-11 23:14:45,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 23:14:45,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 23:14:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 23:14:46,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 23:14:46,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 23:14:46,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535102040] [2022-12-11 23:14:46,275 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1535102040] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 23:14:46,275 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 23:14:46,275 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-11 23:14:46,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916049526] [2022-12-11 23:14:46,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 23:14:46,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-11 23:14:46,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 23:14:46,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-11 23:14:46,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-11 23:14:46,310 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 80 out of 93 [2022-12-11 23:14:46,312 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 91 places, 91 transitions, 188 flow. Second operand has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 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) [2022-12-11 23:14:46,313 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 23:14:46,313 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 80 of 93 [2022-12-11 23:14:46,313 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 23:14:46,347 INFO L130 PetriNetUnfolder]: 3/92 cut-off events. [2022-12-11 23:14:46,347 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-11 23:14:46,348 INFO L83 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 92 events. 3/92 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 63 event pairs, 0 based on Foata normal form. 18/106 useless extension candidates. Maximal degree in co-relation 75. Up to 6 conditions per place. [2022-12-11 23:14:46,349 INFO L137 encePairwiseOnDemand]: 86/93 looper letters, 9 selfloop transitions, 2 changer transitions 0/89 dead transitions. [2022-12-11 23:14:46,349 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 89 transitions, 206 flow [2022-12-11 23:14:46,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-11 23:14:46,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-11 23:14:46,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 259 transitions. [2022-12-11 23:14:46,362 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.9283154121863799 [2022-12-11 23:14:46,367 INFO L295 CegarLoopForPetriNet]: 91 programPoint places, 1 predicate places. [2022-12-11 23:14:46,367 INFO L82 GeneralOperation]: Start removeDead. Operand has 92 places, 89 transitions, 206 flow [2022-12-11 23:14:46,368 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 92 places, 89 transitions, 206 flow [2022-12-11 23:14:46,369 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 89 transitions, 206 flow [2022-12-11 23:14:46,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 81.66666666666667) internal successors, (245), 3 states have internal predecessors, (245), 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) [2022-12-11 23:14:46,370 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 23:14:46,370 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 23:14:46,370 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-11 23:14:46,370 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 23:14:46,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 23:14:46,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1875915451, now seen corresponding path program 1 times [2022-12-11 23:14:46,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 23:14:46,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165655421] [2022-12-11 23:14:46,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 23:14:46,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 23:14:46,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 23:14:46,539 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 23:14:46,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 23:14:46,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165655421] [2022-12-11 23:14:46,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165655421] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-11 23:14:46,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1000734700] [2022-12-11 23:14:46,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 23:14:46,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-11 23:14:46,540 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-11 23:14:46,544 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-11 23:14:46,545 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-11 23:14:46,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 23:14:46,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-11 23:14:46,668 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-11 23:14:46,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 23:14:46,748 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-11 23:14:46,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 23:14:46,789 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1000734700] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-11 23:14:46,789 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-11 23:14:46,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-12-11 23:14:46,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640367308] [2022-12-11 23:14:46,790 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-11 23:14:46,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-11 23:14:46,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 23:14:46,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-11 23:14:46,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-12-11 23:14:46,795 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 93 [2022-12-11 23:14:46,796 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 92 places, 89 transitions, 206 flow. Second operand has 10 states, 10 states have (on average 80.0) internal successors, (800), 10 states have internal predecessors, (800), 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) [2022-12-11 23:14:46,796 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 23:14:46,796 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 93 [2022-12-11 23:14:46,796 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 23:14:46,900 INFO L130 PetriNetUnfolder]: 3/101 cut-off events. [2022-12-11 23:14:46,900 INFO L131 PetriNetUnfolder]: For 10/10 co-relation queries the response was YES. [2022-12-11 23:14:46,905 INFO L83 FinitePrefix]: Finished finitePrefix Result has 144 conditions, 101 events. 3/101 cut-off events. For 10/10 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 55 event pairs, 0 based on Foata normal form. 0/97 useless extension candidates. Maximal degree in co-relation 105. Up to 10 conditions per place. [2022-12-11 23:14:46,906 INFO L137 encePairwiseOnDemand]: 87/93 looper letters, 10 selfloop transitions, 9 changer transitions 0/95 dead transitions. [2022-12-11 23:14:46,906 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 100 places, 95 transitions, 264 flow [2022-12-11 23:14:46,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-11 23:14:46,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-11 23:14:46,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 723 transitions. [2022-12-11 23:14:46,910 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8637992831541219 [2022-12-11 23:14:46,910 INFO L295 CegarLoopForPetriNet]: 91 programPoint places, 9 predicate places. [2022-12-11 23:14:46,911 INFO L82 GeneralOperation]: Start removeDead. Operand has 100 places, 95 transitions, 264 flow [2022-12-11 23:14:46,914 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 100 places, 95 transitions, 264 flow [2022-12-11 23:14:46,914 INFO L495 AbstractCegarLoop]: Abstraction has has 100 places, 95 transitions, 264 flow [2022-12-11 23:14:46,914 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 80.0) internal successors, (800), 10 states have internal predecessors, (800), 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) [2022-12-11 23:14:46,914 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 23:14:46,915 INFO L214 CegarLoopForPetriNet]: trace histogram [3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 23:14:46,938 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-12-11 23:14:47,120 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-11 23:14:47,120 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 23:14:47,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 23:14:47,121 INFO L85 PathProgramCache]: Analyzing trace with hash -1869128357, now seen corresponding path program 2 times [2022-12-11 23:14:47,121 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 23:14:47,122 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [562914476] [2022-12-11 23:14:47,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 23:14:47,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 23:14:47,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 23:14:47,244 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 23:14:47,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 23:14:47,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [562914476] [2022-12-11 23:14:47,244 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [562914476] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-11 23:14:47,244 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [500158220] [2022-12-11 23:14:47,245 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-12-11 23:14:47,245 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-11 23:14:47,245 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-11 23:14:47,246 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) [2022-12-11 23:14:47,283 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-11 23:14:47,328 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-12-11 23:14:47,328 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-11 23:14:47,329 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 8 conjunts are in the unsatisfiable core [2022-12-11 23:14:47,331 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-11 23:14:47,370 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 23:14:47,370 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-11 23:14:47,439 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 23:14:47,439 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [500158220] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-11 23:14:47,439 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-11 23:14:47,439 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-12-11 23:14:47,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [254105182] [2022-12-11 23:14:47,439 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-11 23:14:47,440 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-12-11 23:14:47,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 23:14:47,440 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-12-11 23:14:47,440 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-12-11 23:14:47,442 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 93 [2022-12-11 23:14:47,443 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 100 places, 95 transitions, 264 flow. Second operand has 18 states, 18 states have (on average 80.0) internal successors, (1440), 18 states have internal predecessors, (1440), 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) [2022-12-11 23:14:47,443 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 23:14:47,443 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 93 [2022-12-11 23:14:47,443 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 23:14:47,586 INFO L130 PetriNetUnfolder]: 3/129 cut-off events. [2022-12-11 23:14:47,586 INFO L131 PetriNetUnfolder]: For 37/37 co-relation queries the response was YES. [2022-12-11 23:14:47,587 INFO L83 FinitePrefix]: Finished finitePrefix Result has 236 conditions, 129 events. 3/129 cut-off events. For 37/37 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 55 event pairs, 0 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 194. Up to 22 conditions per place. [2022-12-11 23:14:47,587 INFO L137 encePairwiseOnDemand]: 87/93 looper letters, 14 selfloop transitions, 21 changer transitions 0/111 dead transitions. [2022-12-11 23:14:47,587 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 111 transitions, 422 flow [2022-12-11 23:14:47,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-12-11 23:14:47,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2022-12-11 23:14:47,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 1677 transitions. [2022-12-11 23:14:47,590 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.858678955453149 [2022-12-11 23:14:47,591 INFO L295 CegarLoopForPetriNet]: 91 programPoint places, 29 predicate places. [2022-12-11 23:14:47,591 INFO L82 GeneralOperation]: Start removeDead. Operand has 120 places, 111 transitions, 422 flow [2022-12-11 23:14:47,592 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 120 places, 111 transitions, 422 flow [2022-12-11 23:14:47,592 INFO L495 AbstractCegarLoop]: Abstraction has has 120 places, 111 transitions, 422 flow [2022-12-11 23:14:47,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 80.0) internal successors, (1440), 18 states have internal predecessors, (1440), 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) [2022-12-11 23:14:47,593 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 23:14:47,593 INFO L214 CegarLoopForPetriNet]: trace histogram [7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 23:14:47,600 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-12-11 23:14:47,797 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 [2022-12-11 23:14:47,798 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 23:14:47,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 23:14:47,798 INFO L85 PathProgramCache]: Analyzing trace with hash 526543515, now seen corresponding path program 3 times [2022-12-11 23:14:47,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 23:14:47,799 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [355608228] [2022-12-11 23:14:47,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 23:14:47,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 23:14:47,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 23:14:48,035 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 23:14:48,035 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 23:14:48,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [355608228] [2022-12-11 23:14:48,036 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [355608228] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-11 23:14:48,036 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1734939881] [2022-12-11 23:14:48,036 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-12-11 23:14:48,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-11 23:14:48,036 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-11 23:14:48,037 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) [2022-12-11 23:14:48,040 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-11 23:14:48,113 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2022-12-11 23:14:48,113 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-11 23:14:48,114 INFO L263 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 16 conjunts are in the unsatisfiable core [2022-12-11 23:14:48,116 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-11 23:14:48,200 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 23:14:48,200 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-11 23:14:48,417 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 23:14:48,418 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1734939881] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-11 23:14:48,418 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-11 23:14:48,418 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 34 [2022-12-11 23:14:48,419 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [720541360] [2022-12-11 23:14:48,420 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-11 23:14:48,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2022-12-11 23:14:48,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 23:14:48,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2022-12-11 23:14:48,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=306, Invalid=816, Unknown=0, NotChecked=0, Total=1122 [2022-12-11 23:14:48,430 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 93 [2022-12-11 23:14:48,432 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 111 transitions, 422 flow. Second operand has 34 states, 34 states have (on average 80.0) internal successors, (2720), 34 states have internal predecessors, (2720), 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) [2022-12-11 23:14:48,432 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 23:14:48,433 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 93 [2022-12-11 23:14:48,433 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 23:14:48,868 INFO L130 PetriNetUnfolder]: 3/185 cut-off events. [2022-12-11 23:14:48,868 INFO L131 PetriNetUnfolder]: For 119/119 co-relation queries the response was YES. [2022-12-11 23:14:48,871 INFO L83 FinitePrefix]: Finished finitePrefix Result has 448 conditions, 185 events. 3/185 cut-off events. For 119/119 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 55 event pairs, 0 based on Foata normal form. 0/181 useless extension candidates. Maximal degree in co-relation 403. Up to 46 conditions per place. [2022-12-11 23:14:48,872 INFO L137 encePairwiseOnDemand]: 87/93 looper letters, 22 selfloop transitions, 45 changer transitions 0/143 dead transitions. [2022-12-11 23:14:48,872 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 164 places, 143 transitions, 796 flow [2022-12-11 23:14:48,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2022-12-11 23:14:48,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2022-12-11 23:14:48,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 3585 transitions. [2022-12-11 23:14:48,878 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8566308243727598 [2022-12-11 23:14:48,879 INFO L295 CegarLoopForPetriNet]: 91 programPoint places, 73 predicate places. [2022-12-11 23:14:48,879 INFO L82 GeneralOperation]: Start removeDead. Operand has 164 places, 143 transitions, 796 flow [2022-12-11 23:14:48,881 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 164 places, 143 transitions, 796 flow [2022-12-11 23:14:48,881 INFO L495 AbstractCegarLoop]: Abstraction has has 164 places, 143 transitions, 796 flow [2022-12-11 23:14:48,882 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 80.0) internal successors, (2720), 34 states have internal predecessors, (2720), 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) [2022-12-11 23:14:48,882 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 23:14:48,884 INFO L214 CegarLoopForPetriNet]: trace histogram [15, 15, 15, 15, 15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 23:14:48,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-11 23:14:49,089 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 [2022-12-11 23:14:49,089 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 23:14:49,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 23:14:49,090 INFO L85 PathProgramCache]: Analyzing trace with hash -578591461, now seen corresponding path program 4 times [2022-12-11 23:14:49,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 23:14:49,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406996554] [2022-12-11 23:14:49,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 23:14:49,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 23:14:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 23:14:49,696 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 0 proven. 750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 23:14:49,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 23:14:49,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406996554] [2022-12-11 23:14:49,697 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406996554] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-11 23:14:49,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [159757010] [2022-12-11 23:14:49,697 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2022-12-11 23:14:49,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-11 23:14:49,697 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-11 23:14:49,698 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) [2022-12-11 23:14:49,750 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-11 23:14:49,826 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2022-12-11 23:14:49,827 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-11 23:14:49,828 INFO L263 TraceCheckSpWp]: Trace formula consists of 321 conjuncts, 32 conjunts are in the unsatisfiable core [2022-12-11 23:14:49,831 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-11 23:14:49,949 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 0 proven. 750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 23:14:49,949 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-11 23:14:50,641 INFO L134 CoverageAnalysis]: Checked inductivity of 750 backedges. 0 proven. 750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 23:14:50,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [159757010] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-11 23:14:50,641 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-11 23:14:50,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 33, 33] total 55 [2022-12-11 23:14:50,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665271344] [2022-12-11 23:14:50,642 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-11 23:14:50,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2022-12-11 23:14:50,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 23:14:50,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2022-12-11 23:14:50,644 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=783, Invalid=2187, Unknown=0, NotChecked=0, Total=2970 [2022-12-11 23:14:50,647 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 78 out of 93 [2022-12-11 23:14:50,650 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 143 transitions, 796 flow. Second operand has 55 states, 55 states have (on average 80.03636363636363) internal successors, (4402), 55 states have internal predecessors, (4402), 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) [2022-12-11 23:14:50,650 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 23:14:50,650 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 78 of 93 [2022-12-11 23:14:50,650 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 23:14:51,720 INFO L130 PetriNetUnfolder]: 3/262 cut-off events. [2022-12-11 23:14:51,721 INFO L131 PetriNetUnfolder]: For 306/306 co-relation queries the response was YES. [2022-12-11 23:14:51,722 INFO L83 FinitePrefix]: Finished finitePrefix Result has 802 conditions, 262 events. 3/262 cut-off events. For 306/306 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 55 event pairs, 0 based on Foata normal form. 0/258 useless extension candidates. Maximal degree in co-relation 754. Up to 79 conditions per place. [2022-12-11 23:14:51,723 INFO L137 encePairwiseOnDemand]: 87/93 looper letters, 33 selfloop transitions, 78 changer transitions 0/187 dead transitions. [2022-12-11 23:14:51,723 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 241 places, 187 transitions, 1436 flow [2022-12-11 23:14:51,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2022-12-11 23:14:51,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2022-12-11 23:14:51,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 6206 transitions. [2022-12-11 23:14:51,730 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.8555279845602426 [2022-12-11 23:14:51,731 INFO L295 CegarLoopForPetriNet]: 91 programPoint places, 150 predicate places. [2022-12-11 23:14:51,731 INFO L82 GeneralOperation]: Start removeDead. Operand has 241 places, 187 transitions, 1436 flow [2022-12-11 23:14:51,732 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 241 places, 187 transitions, 1436 flow [2022-12-11 23:14:51,733 INFO L495 AbstractCegarLoop]: Abstraction has has 241 places, 187 transitions, 1436 flow [2022-12-11 23:14:51,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 80.03636363636363) internal successors, (4402), 55 states have internal predecessors, (4402), 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) [2022-12-11 23:14:51,734 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 23:14:51,735 INFO L214 CegarLoopForPetriNet]: trace histogram [26, 26, 26, 26, 26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 23:14:51,742 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-11 23:14:51,940 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 [2022-12-11 23:14:51,940 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 23:14:51,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 23:14:51,941 INFO L85 PathProgramCache]: Analyzing trace with hash -2110187234, now seen corresponding path program 5 times [2022-12-11 23:14:51,941 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 23:14:51,941 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [567820606] [2022-12-11 23:14:51,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 23:14:51,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 23:14:52,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 23:14:56,582 INFO L134 CoverageAnalysis]: Checked inductivity of 2301 backedges. 0 proven. 2301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 23:14:56,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 23:14:56,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [567820606] [2022-12-11 23:14:56,582 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [567820606] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-11 23:14:56,582 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [896220398] [2022-12-11 23:14:56,582 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2022-12-11 23:14:56,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-11 23:14:56,583 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-11 23:14:56,609 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) [2022-12-11 23:14:56,610 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-11 23:14:56,709 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 27 check-sat command(s) [2022-12-11 23:14:56,710 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-12-11 23:14:56,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 87 conjunts are in the unsatisfiable core [2022-12-11 23:14:56,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-11 23:15:04,874 INFO L134 CoverageAnalysis]: Checked inductivity of 2301 backedges. 1980 proven. 321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 23:15:04,875 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-11 23:15:13,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2301 backedges. 0 proven. 2301 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 23:15:13,986 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [896220398] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-11 23:15:13,986 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-11 23:15:13,986 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [87, 87, 87] total 253 [2022-12-11 23:15:13,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [655600156] [2022-12-11 23:15:13,986 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-11 23:15:13,989 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 253 states [2022-12-11 23:15:13,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 23:15:13,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 253 interpolants. [2022-12-11 23:15:14,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3643, Invalid=60113, Unknown=0, NotChecked=0, Total=63756 [2022-12-11 23:15:14,029 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 61 out of 93 [2022-12-11 23:15:14,040 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 241 places, 187 transitions, 1436 flow. Second operand has 253 states, 253 states have (on average 62.13833992094862) internal successors, (15721), 253 states have internal predecessors, (15721), 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) [2022-12-11 23:15:14,040 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 23:15:14,040 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 61 of 93 [2022-12-11 23:15:14,040 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 23:16:44,134 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [] Received shutdown request... [2022-12-11 23:28:50,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 1229 states. [2022-12-11 23:28:50,154 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-11 23:28:50,159 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-11 23:28:50,164 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 [2022-12-11 23:28:50,164 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-12-11 23:28:50,354 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 [2022-12-11 23:28:50,355 WARN L619 AbstractCegarLoop]: Verification canceled: while PredicateComparison was comparing new predicate (quantifier-free) to 1473 known predicates. [2022-12-11 23:28:50,356 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-12-11 23:28:50,356 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-12-11 23:28:50,357 INFO L445 BasicCegarLoop]: Path program histogram: [5, 1] [2022-12-11 23:28:50,359 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-11 23:28:50,359 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-11 23:28:50,362 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.12 11:28:50 BasicIcfg [2022-12-11 23:28:50,362 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-11 23:28:50,363 INFO L158 Benchmark]: Toolchain (without parser) took 845385.29ms. Allocated memory was 181.4MB in the beginning and 3.6GB in the end (delta: 3.5GB). Free memory was 154.5MB in the beginning and 2.7GB in the end (delta: -2.6GB). Peak memory consumption was 883.2MB. Max. memory is 8.0GB. [2022-12-11 23:28:50,363 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 181.4MB. Free memory is still 157.3MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-11 23:28:50,363 INFO L158 Benchmark]: CACSL2BoogieTranslator took 327.18ms. Allocated memory is still 181.4MB. Free memory was 154.5MB in the beginning and 134.1MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. [2022-12-11 23:28:50,364 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.08ms. Allocated memory is still 181.4MB. Free memory was 134.1MB in the beginning and 132.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-11 23:28:50,364 INFO L158 Benchmark]: Boogie Preprocessor took 30.65ms. Allocated memory is still 181.4MB. Free memory was 132.5MB in the beginning and 130.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-11 23:28:50,364 INFO L158 Benchmark]: RCFGBuilder took 354.44ms. Allocated memory is still 181.4MB. Free memory was 130.9MB in the beginning and 116.8MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-12-11 23:28:50,364 INFO L158 Benchmark]: TraceAbstraction took 844614.38ms. Allocated memory was 181.4MB in the beginning and 3.6GB in the end (delta: 3.5GB). Free memory was 115.7MB in the beginning and 2.7GB in the end (delta: -2.6GB). Peak memory consumption was 844.4MB. Max. memory is 8.0GB. [2022-12-11 23:28:50,366 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 181.4MB. Free memory is still 157.3MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 327.18ms. Allocated memory is still 181.4MB. Free memory was 154.5MB in the beginning and 134.1MB in the end (delta: 20.4MB). Peak memory consumption was 21.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 53.08ms. Allocated memory is still 181.4MB. Free memory was 134.1MB in the beginning and 132.5MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.65ms. Allocated memory is still 181.4MB. Free memory was 132.5MB in the beginning and 130.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 354.44ms. Allocated memory is still 181.4MB. Free memory was 130.9MB in the beginning and 116.8MB in the end (delta: 14.2MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 844614.38ms. Allocated memory was 181.4MB in the beginning and 3.6GB in the end (delta: 3.5GB). Free memory was 115.7MB in the beginning and 2.7GB in the end (delta: -2.6GB). Peak memory consumption was 844.4MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 681]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1473 known predicates. - TimeoutResultAtElement [Line: 720]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1473 known predicates. - TimeoutResultAtElement [Line: 721]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PredicateComparison was comparing new predicate (quantifier-free) to 1473 known predicates. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 109 locations, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 844.5s, OverallIterations: 6, TraceHistogramMax: 26, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 818.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 8347 SdHoareTripleChecker+Valid, 21.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8347 mSDsluCounter, 597 SdHoareTripleChecker+Invalid, 18.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 564 mSDsCounter, 27886 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 17635 IncrementalHoareTripleChecker+Invalid, 45522 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 27886 mSolverCounterUnsat, 33 mSDtfsCounter, 17635 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2697 GetRequests, 1006 SyntacticMatches, 15 SemanticMatches, 1675 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1002267 ImplicationChecksByTransitivity, 794.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1436occurred in iteration=5, InterpolantAutomatonStates: 156, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 24.3s InterpolantComputationTime, 1289 NumberOfCodeBlocks, 1289 NumberOfCodeBlocksAsserted, 46 NumberOfCheckSat, 1892 ConstructedInterpolants, 0 QuantifiedInterpolants, 11933 SizeOfPredicates, 136 NumberOfNonLiveVariables, 1329 ConjunctsInSsa, 147 ConjunctsInUnsatCore, 16 InterpolantComputations, 1 PerfectInterpolantSequences, 1980/9690 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