/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-RepeatedSemanticLbe.epf --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/rfi007_tso.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 01:10:11,308 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 01:10:11,310 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 01:10:11,347 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 01:10:11,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 01:10:11,350 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 01:10:11,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 01:10:11,357 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 01:10:11,361 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 01:10:11,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 01:10:11,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 01:10:11,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 01:10:11,369 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 01:10:11,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 01:10:11,372 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 01:10:11,376 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 01:10:11,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 01:10:11,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 01:10:11,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 01:10:11,384 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 01:10:11,385 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 01:10:11,386 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 01:10:11,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 01:10:11,388 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 01:10:11,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 01:10:11,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 01:10:11,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 01:10:11,394 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 01:10:11,395 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 01:10:11,395 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 01:10:11,396 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 01:10:11,396 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 01:10:11,397 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 01:10:11,397 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 01:10:11,398 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 01:10:11,398 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 01:10:11,399 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 01:10:11,399 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 01:10:11,399 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 01:10:11,400 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 01:10:11,401 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 01:10:11,401 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-RepeatedSemanticLbe.epf [2022-12-06 01:10:11,433 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 01:10:11,434 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 01:10:11,435 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 01:10:11,436 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 01:10:11,436 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 01:10:11,436 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 01:10:11,437 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 01:10:11,437 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 01:10:11,437 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 01:10:11,437 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 01:10:11,438 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 01:10:11,438 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 01:10:11,438 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 01:10:11,438 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 01:10:11,438 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 01:10:11,438 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 01:10:11,438 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 01:10:11,439 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 01:10:11,439 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 01:10:11,439 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 01:10:11,439 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 01:10:11,439 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 01:10:11,439 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 01:10:11,439 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 01:10:11,440 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 01:10:11,440 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 01:10:11,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 01:10:11,440 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=REPEATED_LIPTON_PN [2022-12-06 01:10:11,440 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-06 01:10:11,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 01:10:11,774 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 01:10:11,777 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 01:10:11,778 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 01:10:11,778 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 01:10:11,779 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi007_tso.i [2022-12-06 01:10:12,951 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 01:10:13,245 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 01:10:13,246 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi007_tso.i [2022-12-06 01:10:13,265 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d10eaaa57/ba17ac2507af44f59fda061324cdef96/FLAGbd90b7f0e [2022-12-06 01:10:13,277 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d10eaaa57/ba17ac2507af44f59fda061324cdef96 [2022-12-06 01:10:13,279 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 01:10:13,280 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 01:10:13,281 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 01:10:13,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 01:10:13,284 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 01:10:13,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:10:13" (1/1) ... [2022-12-06 01:10:13,285 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42d0c8c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:13, skipping insertion in model container [2022-12-06 01:10:13,285 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:10:13" (1/1) ... [2022-12-06 01:10:13,291 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 01:10:13,339 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 01:10:13,470 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-wmm/rfi007_tso.i[944,957] [2022-12-06 01:10:13,622 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:10:13,623 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:10:13,624 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:10:13,624 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:10:13,624 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:10:13,631 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:10:13,631 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:10:13,632 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:10:13,633 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:10:13,635 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:10:13,635 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:10:13,658 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:10:13,658 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:10:13,659 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:10:13,659 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:10:13,661 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:10:13,661 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:10:13,661 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:10:13,670 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:10:13,670 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:10:13,670 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:10:13,672 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:10:13,672 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:10:13,678 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:10:13,681 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 01:10:13,693 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 01:10:13,708 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-wmm/rfi007_tso.i[944,957] [2022-12-06 01:10:13,733 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:10:13,733 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:10:13,733 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:10:13,733 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:10:13,734 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:10:13,735 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:10:13,735 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:10:13,736 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:10:13,736 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:10:13,737 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:10:13,737 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:10:13,742 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:10:13,742 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:10:13,743 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:10:13,743 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:10:13,744 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:10:13,745 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:10:13,745 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:10:13,748 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:10:13,748 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:10:13,748 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:10:13,750 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:10:13,750 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_begin [2022-12-06 01:10:13,755 WARN L623 FunctionHandler]: Unknown extern function __VERIFIER_atomic_end [2022-12-06 01:10:13,756 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 01:10:13,792 INFO L208 MainTranslator]: Completed translation [2022-12-06 01:10:13,793 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:13 WrapperNode [2022-12-06 01:10:13,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 01:10:13,794 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 01:10:13,795 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 01:10:13,795 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 01:10:13,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:13" (1/1) ... [2022-12-06 01:10:13,815 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:13" (1/1) ... [2022-12-06 01:10:13,861 INFO L138 Inliner]: procedures = 175, calls = 43, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 146 [2022-12-06 01:10:13,861 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 01:10:13,862 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 01:10:13,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 01:10:13,862 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 01:10:13,871 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:13" (1/1) ... [2022-12-06 01:10:13,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:13" (1/1) ... [2022-12-06 01:10:13,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:13" (1/1) ... [2022-12-06 01:10:13,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:13" (1/1) ... [2022-12-06 01:10:13,896 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:13" (1/1) ... [2022-12-06 01:10:13,898 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:13" (1/1) ... [2022-12-06 01:10:13,899 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:13" (1/1) ... [2022-12-06 01:10:13,901 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:13" (1/1) ... [2022-12-06 01:10:13,921 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 01:10:13,922 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 01:10:13,922 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 01:10:13,922 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 01:10:13,923 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:13" (1/1) ... [2022-12-06 01:10:13,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 01:10:13,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 01:10:13,948 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) [2022-12-06 01:10:13,955 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 [2022-12-06 01:10:13,978 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 01:10:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-12-06 01:10:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 01:10:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 01:10:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 01:10:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2022-12-06 01:10:13,979 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2022-12-06 01:10:13,979 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2022-12-06 01:10:13,979 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2022-12-06 01:10:13,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 01:10:13,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-12-06 01:10:13,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 01:10:13,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 01:10:13,981 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-06 01:10:14,187 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 01:10:14,189 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 01:10:14,435 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 01:10:14,616 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 01:10:14,617 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 01:10:14,619 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:10:14 BoogieIcfgContainer [2022-12-06 01:10:14,619 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 01:10:14,621 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 01:10:14,621 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 01:10:14,624 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 01:10:14,624 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 01:10:13" (1/3) ... [2022-12-06 01:10:14,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b3d3ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 01:10:14, skipping insertion in model container [2022-12-06 01:10:14,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:10:13" (2/3) ... [2022-12-06 01:10:14,625 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63b3d3ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 01:10:14, skipping insertion in model container [2022-12-06 01:10:14,625 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:10:14" (3/3) ... [2022-12-06 01:10:14,627 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi007_tso.i [2022-12-06 01:10:14,641 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 01:10:14,641 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-06 01:10:14,642 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 01:10:14,693 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-12-06 01:10:14,734 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 94 places, 89 transitions, 188 flow [2022-12-06 01:10:14,787 INFO L130 PetriNetUnfolder]: 2/87 cut-off events. [2022-12-06 01:10:14,787 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:10:14,794 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 87 events. 2/87 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 47 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 52. Up to 2 conditions per place. [2022-12-06 01:10:14,795 INFO L82 GeneralOperation]: Start removeDead. Operand has 94 places, 89 transitions, 188 flow [2022-12-06 01:10:14,799 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 92 places, 87 transitions, 180 flow [2022-12-06 01:10:14,801 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:10:14,829 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 92 places, 87 transitions, 180 flow [2022-12-06 01:10:14,837 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 92 places, 87 transitions, 180 flow [2022-12-06 01:10:14,876 INFO L130 PetriNetUnfolder]: 2/87 cut-off events. [2022-12-06 01:10:14,876 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:10:14,876 INFO L83 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 87 events. 2/87 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 47 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 52. Up to 2 conditions per place. [2022-12-06 01:10:14,879 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 92 places, 87 transitions, 180 flow [2022-12-06 01:10:14,879 INFO L188 LiptonReduction]: Number of co-enabled transitions 1088 [2022-12-06 01:10:19,746 INFO L203 LiptonReduction]: Total number of compositions: 69 [2022-12-06 01:10:19,759 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 01:10:19,765 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=REPEATED_LIPTON_PN, 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;@63c11958, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 01:10:19,765 INFO L358 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2022-12-06 01:10:19,768 INFO L130 PetriNetUnfolder]: 1/10 cut-off events. [2022-12-06 01:10:19,768 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-06 01:10:19,768 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:10:19,769 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2022-12-06 01:10:19,769 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 01:10:19,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:10:19,773 INFO L85 PathProgramCache]: Analyzing trace with hash 418254998, now seen corresponding path program 1 times [2022-12-06 01:10:19,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:10:19,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253966267] [2022-12-06 01:10:19,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:10:19,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:10:19,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:10:20,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:10:20,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:10:20,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253966267] [2022-12-06 01:10:20,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253966267] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:10:20,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:10:20,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 01:10:20,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912444005] [2022-12-06 01:10:20,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:10:20,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 01:10:20,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:10:20,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 01:10:20,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 01:10:20,151 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 2 out of 21 [2022-12-06 01:10:20,152 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 21 transitions, 48 flow. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-12-06 01:10:20,152 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:10:20,152 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 2 of 21 [2022-12-06 01:10:20,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:10:20,275 INFO L130 PetriNetUnfolder]: 173/327 cut-off events. [2022-12-06 01:10:20,275 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-06 01:10:20,276 INFO L83 FinitePrefix]: Finished finitePrefix Result has 643 conditions, 327 events. 173/327 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1369 event pairs, 21 based on Foata normal form. 0/286 useless extension candidates. Maximal degree in co-relation 633. Up to 249 conditions per place. [2022-12-06 01:10:20,278 INFO L137 encePairwiseOnDemand]: 16/21 looper letters, 18 selfloop transitions, 2 changer transitions 4/26 dead transitions. [2022-12-06 01:10:20,279 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 26 transitions, 106 flow [2022-12-06 01:10:20,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 01:10:20,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 01:10:20,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 35 transitions. [2022-12-06 01:10:20,289 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5555555555555556 [2022-12-06 01:10:20,292 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 0 predicate places. [2022-12-06 01:10:20,293 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:10:20,293 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 27 places, 26 transitions, 106 flow [2022-12-06 01:10:20,297 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 27 places, 26 transitions, 106 flow [2022-12-06 01:10:20,297 INFO L188 LiptonReduction]: Number of co-enabled transitions 50 [2022-12-06 01:10:20,618 INFO L203 LiptonReduction]: Total number of compositions: 2 [2022-12-06 01:10:20,620 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 328 [2022-12-06 01:10:20,620 INFO L495 AbstractCegarLoop]: Abstraction has has 25 places, 24 transitions, 102 flow [2022-12-06 01:10:20,620 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 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) [2022-12-06 01:10:20,620 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:10:20,620 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:10:20,621 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 01:10:20,621 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 01:10:20,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:10:20,621 INFO L85 PathProgramCache]: Analyzing trace with hash -1783865152, now seen corresponding path program 1 times [2022-12-06 01:10:20,622 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:10:20,622 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978320166] [2022-12-06 01:10:20,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:10:20,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:10:20,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:10:20,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:10:20,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:10:20,854 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978320166] [2022-12-06 01:10:20,854 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978320166] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:10:20,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:10:20,854 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-06 01:10:20,854 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113708309] [2022-12-06 01:10:20,854 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:10:20,856 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-06 01:10:20,856 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:10:20,856 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-06 01:10:20,856 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-06 01:10:20,857 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 17 [2022-12-06 01:10:20,857 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 25 places, 24 transitions, 102 flow. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2022-12-06 01:10:20,857 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:10:20,857 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 17 [2022-12-06 01:10:20,857 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:10:20,940 INFO L130 PetriNetUnfolder]: 159/280 cut-off events. [2022-12-06 01:10:20,941 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-06 01:10:20,942 INFO L83 FinitePrefix]: Finished finitePrefix Result has 855 conditions, 280 events. 159/280 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 958 event pairs, 26 based on Foata normal form. 0/248 useless extension candidates. Maximal degree in co-relation 842. Up to 234 conditions per place. [2022-12-06 01:10:20,943 INFO L137 encePairwiseOnDemand]: 14/17 looper letters, 22 selfloop transitions, 2 changer transitions 6/30 dead transitions. [2022-12-06 01:10:20,943 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 30 transitions, 186 flow [2022-12-06 01:10:20,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-06 01:10:20,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2022-12-06 01:10:20,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 25 transitions. [2022-12-06 01:10:20,945 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.49019607843137253 [2022-12-06 01:10:20,946 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 0 predicate places. [2022-12-06 01:10:20,946 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:10:20,946 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 27 places, 30 transitions, 186 flow [2022-12-06 01:10:20,949 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 27 places, 30 transitions, 186 flow [2022-12-06 01:10:20,949 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:10:20,950 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:10:20,951 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 5 [2022-12-06 01:10:20,951 INFO L495 AbstractCegarLoop]: Abstraction has has 27 places, 30 transitions, 186 flow [2022-12-06 01:10:20,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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) [2022-12-06 01:10:20,952 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:10:20,952 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:10:20,952 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 01:10:20,952 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 01:10:20,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:10:20,953 INFO L85 PathProgramCache]: Analyzing trace with hash -602456466, now seen corresponding path program 1 times [2022-12-06 01:10:20,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:10:20,953 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981619678] [2022-12-06 01:10:20,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:10:20,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:10:21,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:10:21,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:10:21,268 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:10:21,268 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981619678] [2022-12-06 01:10:21,270 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981619678] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:10:21,271 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:10:21,271 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-06 01:10:21,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333972721] [2022-12-06 01:10:21,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:10:21,272 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-06 01:10:21,272 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:10:21,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-06 01:10:21,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-06 01:10:21,273 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 17 [2022-12-06 01:10:21,273 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 30 transitions, 186 flow. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) [2022-12-06 01:10:21,273 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:10:21,273 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 17 [2022-12-06 01:10:21,273 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:10:21,381 INFO L130 PetriNetUnfolder]: 98/197 cut-off events. [2022-12-06 01:10:21,381 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 01:10:21,382 INFO L83 FinitePrefix]: Finished finitePrefix Result has 804 conditions, 197 events. 98/197 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 650 event pairs, 10 based on Foata normal form. 20/191 useless extension candidates. Maximal degree in co-relation 788. Up to 163 conditions per place. [2022-12-06 01:10:21,383 INFO L137 encePairwiseOnDemand]: 12/17 looper letters, 32 selfloop transitions, 8 changer transitions 12/52 dead transitions. [2022-12-06 01:10:21,383 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 52 transitions, 425 flow [2022-12-06 01:10:21,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-06 01:10:21,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2022-12-06 01:10:21,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 37 transitions. [2022-12-06 01:10:21,384 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.5441176470588235 [2022-12-06 01:10:21,385 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 3 predicate places. [2022-12-06 01:10:21,385 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:10:21,386 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 30 places, 52 transitions, 425 flow [2022-12-06 01:10:21,387 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 30 places, 52 transitions, 425 flow [2022-12-06 01:10:21,388 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:10:21,388 INFO L203 LiptonReduction]: Total number of compositions: 0 [2022-12-06 01:10:21,389 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 4 [2022-12-06 01:10:21,389 INFO L495 AbstractCegarLoop]: Abstraction has has 30 places, 52 transitions, 425 flow [2022-12-06 01:10:21,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) [2022-12-06 01:10:21,389 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:10:21,390 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:10:21,390 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-06 01:10:21,390 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 01:10:21,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:10:21,390 INFO L85 PathProgramCache]: Analyzing trace with hash -92734384, now seen corresponding path program 1 times [2022-12-06 01:10:21,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:10:21,391 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172118427] [2022-12-06 01:10:21,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:10:21,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:10:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 01:10:21,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-06 01:10:21,646 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 01:10:21,646 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172118427] [2022-12-06 01:10:21,646 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172118427] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 01:10:21,646 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 01:10:21,647 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-06 01:10:21,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812223026] [2022-12-06 01:10:21,650 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 01:10:21,652 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-06 01:10:21,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 01:10:21,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-06 01:10:21,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-06 01:10:21,654 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 0 out of 17 [2022-12-06 01:10:21,654 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 52 transitions, 425 flow. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-12-06 01:10:21,654 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 01:10:21,654 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 0 of 17 [2022-12-06 01:10:21,654 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 01:10:21,765 INFO L130 PetriNetUnfolder]: 78/159 cut-off events. [2022-12-06 01:10:21,765 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-12-06 01:10:21,765 INFO L83 FinitePrefix]: Finished finitePrefix Result has 812 conditions, 159 events. 78/159 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 509 event pairs, 8 based on Foata normal form. 8/146 useless extension candidates. Maximal degree in co-relation 793. Up to 127 conditions per place. [2022-12-06 01:10:21,766 INFO L137 encePairwiseOnDemand]: 12/17 looper letters, 21 selfloop transitions, 8 changer transitions 21/50 dead transitions. [2022-12-06 01:10:21,766 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 34 places, 50 transitions, 509 flow [2022-12-06 01:10:21,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-06 01:10:21,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2022-12-06 01:10:21,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 32 transitions. [2022-12-06 01:10:21,768 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.3764705882352941 [2022-12-06 01:10:21,769 INFO L294 CegarLoopForPetriNet]: 27 programPoint places, 7 predicate places. [2022-12-06 01:10:21,769 INFO L195 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-12-06 01:10:21,770 INFO L167 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 34 places, 50 transitions, 509 flow [2022-12-06 01:10:21,772 INFO L184 LiptonReduction]: Starting Lipton reduction on Petri net that has 34 places, 50 transitions, 509 flow [2022-12-06 01:10:21,772 INFO L188 LiptonReduction]: Number of co-enabled transitions 0 [2022-12-06 01:10:23,378 INFO L203 LiptonReduction]: Total number of compositions: 1 [2022-12-06 01:10:23,395 INFO L143 eatedLiptonReduction]: Time needed for LBE in milliseconds: 1626 [2022-12-06 01:10:23,396 INFO L495 AbstractCegarLoop]: Abstraction has has 33 places, 49 transitions, 499 flow [2022-12-06 01:10:23,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-12-06 01:10:23,396 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 01:10:23,396 INFO L213 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-06 01:10:23,396 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-06 01:10:23,396 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] === [2022-12-06 01:10:23,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 01:10:23,397 INFO L85 PathProgramCache]: Analyzing trace with hash 363694932, now seen corresponding path program 1 times [2022-12-06 01:10:23,397 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 01:10:23,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595417349] [2022-12-06 01:10:23,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 01:10:23,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 01:10:23,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2022-12-06 01:24:50,882 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining) [2022-12-06 01:24:50,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-06 01:24:50,884 WARN L619 AbstractCegarLoop]: Verification canceled: while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 14 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-4-3-4-3-3-3-4-3-4-3-3-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-8-3-7-3-7-3-8-3-6-3-5-3-4-3-4-3-4-3-8-3-7-3-4-3-4-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. [2022-12-06 01:24:50,886 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining) [2022-12-06 01:24:50,886 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining) [2022-12-06 01:24:50,886 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining) [2022-12-06 01:24:50,886 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 5 remaining) [2022-12-06 01:24:50,887 INFO L458 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-12-06 01:24:50,891 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 01:24:50,891 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 01:24:50,893 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 01:24:50 BasicIcfg [2022-12-06 01:24:50,894 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 01:24:50,894 INFO L158 Benchmark]: Toolchain (without parser) took 877614.18ms. Allocated memory was 184.5MB in the beginning and 704.6MB in the end (delta: 520.1MB). Free memory was 159.7MB in the beginning and 520.4MB in the end (delta: -360.8MB). Peak memory consumption was 445.2MB. Max. memory is 8.0GB. [2022-12-06 01:24:50,894 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 184.5MB. Free memory is still 161.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 01:24:50,895 INFO L158 Benchmark]: CACSL2BoogieTranslator took 512.61ms. Allocated memory is still 184.5MB. Free memory was 159.3MB in the beginning and 133.1MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2022-12-06 01:24:50,895 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.83ms. Allocated memory is still 184.5MB. Free memory was 133.1MB in the beginning and 130.5MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-12-06 01:24:50,895 INFO L158 Benchmark]: Boogie Preprocessor took 59.16ms. Allocated memory is still 184.5MB. Free memory was 130.5MB in the beginning and 128.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 01:24:50,895 INFO L158 Benchmark]: RCFGBuilder took 697.39ms. Allocated memory is still 184.5MB. Free memory was 128.4MB in the beginning and 90.1MB in the end (delta: 38.3MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. [2022-12-06 01:24:50,896 INFO L158 Benchmark]: TraceAbstraction took 876272.43ms. Allocated memory was 184.5MB in the beginning and 704.6MB in the end (delta: 520.1MB). Free memory was 89.1MB in the beginning and 520.4MB in the end (delta: -431.3MB). Peak memory consumption was 374.9MB. Max. memory is 8.0GB. [2022-12-06 01:24:50,897 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 184.5MB. Free memory is still 161.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 512.61ms. Allocated memory is still 184.5MB. Free memory was 159.3MB in the beginning and 133.1MB in the end (delta: 26.2MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 66.83ms. Allocated memory is still 184.5MB. Free memory was 133.1MB in the beginning and 130.5MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 59.16ms. Allocated memory is still 184.5MB. Free memory was 130.5MB in the beginning and 128.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 697.39ms. Allocated memory is still 184.5MB. Free memory was 128.4MB in the beginning and 90.1MB in the end (delta: 38.3MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB. * TraceAbstraction took 876272.43ms. Allocated memory was 184.5MB in the beginning and 704.6MB in the end (delta: 520.1MB). Free memory was 89.1MB in the beginning and 520.4MB in the end (delta: -431.3MB). Peak memory consumption was 374.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.9s, 92 PlacesBefore, 27 PlacesAfterwards, 87 TransitionsBefore, 21 TransitionsAfterwards, 1088 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 1 ConcurrentSequentialCompositions, 35 TrivialYvCompositions, 32 ConcurrentYvCompositions, 1 ChoiceCompositions, 69 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 960, independent: 914, independent conditional: 914, independent unconditional: 0, dependent: 46, dependent conditional: 46, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 960, independent: 914, independent conditional: 0, independent unconditional: 914, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 960, independent: 914, independent conditional: 0, independent unconditional: 914, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 960, independent: 914, independent conditional: 0, independent unconditional: 914, dependent: 46, dependent conditional: 0, dependent unconditional: 46, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 719, independent: 686, independent conditional: 0, independent unconditional: 686, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 719, independent: 669, independent conditional: 0, independent unconditional: 669, dependent: 50, dependent conditional: 0, dependent unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 50, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 284, independent: 17, independent conditional: 0, independent unconditional: 17, dependent: 267, dependent conditional: 0, dependent unconditional: 267, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 960, independent: 228, independent conditional: 0, independent unconditional: 228, dependent: 13, dependent conditional: 0, dependent unconditional: 13, unknown: 719, unknown conditional: 0, unknown unconditional: 719] , Statistics on independence cache: Total cache size (in pairs): 1141, Positive cache size: 1108, Positive conditional cache size: 0, Positive unconditional cache size: 1108, Negative cache size: 33, Negative conditional cache size: 0, Negative unconditional cache size: 33, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.3s, 27 PlacesBefore, 25 PlacesAfterwards, 26 TransitionsBefore, 24 TransitionsAfterwards, 50 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 2 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 27 PlacesBefore, 27 PlacesAfterwards, 30 TransitionsBefore, 30 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 0.0s, 30 PlacesBefore, 30 PlacesAfterwards, 52 TransitionsBefore, 52 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 1 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 0 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks [2022-12-06 01:24:50,904 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 Lipton Reduction Statistics: ReductionTime: 1.6s, 34 PlacesBefore, 33 PlacesAfterwards, 50 TransitionsBefore, 49 TransitionsAfterwards, 0 CoEnabledTransitionPairs, 2 FixpointIterations, 0 TrivialSequentialCompositions, 0 ConcurrentSequentialCompositions, 1 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 1 TotalNumberOfCompositions, Independence Relation Statistics: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1 - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 14 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-4-3-4-3-3-3-4-3-4-3-3-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-8-3-7-3-7-3-8-3-6-3-5-3-4-3-4-3-4-3-8-3-7-3-4-3-4-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 14 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-4-3-4-3-3-3-4-3-4-3-3-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-8-3-7-3-7-3-8-3-6-3-5-3-4-3-4-3-4-3-8-3-7-3-4-3-4-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 813]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 14 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-4-3-4-3-3-3-4-3-4-3-3-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-8-3-7-3-7-3-8-3-6-3-5-3-4-3-4-3-4-3-8-3-7-3-4-3-4-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - TimeoutResultAtElement [Line: 811]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while CegarLoopForPetriNetWithRepeatedLiptonReduction was analyzing trace of length 14 with TraceHistMax 1,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while PolyPacSimplificationTermWalker was simplifying a ∨-2-2-4-3-4-3-3-3-4-3-4-3-3-3-4-3-4-3-4-3-4-3-4-3-4-3-4-3-8-3-7-3-7-3-8-3-6-3-5-3-4-3-4-3-4-3-8-3-7-3-4-3-4-2-2-1 term,while PolyPacSimplificationTermWalker was simplifying 2 xjuncts wrt. a ∨-2-1 context. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 108 locations, 5 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: 876.2s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 79 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 79 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 140 IncrementalHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 0 mSDtfsCounter, 140 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=509occurred in iteration=4, InterpolantAutomatonStates: 15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 28 ConstructedInterpolants, 0 QuantifiedInterpolants, 84 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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