/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 -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/chl-sre-symm.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-8d0d62b [2022-12-06 17:20:47,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-06 17:20:47,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-06 17:20:47,336 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-06 17:20:47,337 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-06 17:20:47,339 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-06 17:20:47,342 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-06 17:20:47,346 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-06 17:20:47,350 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-06 17:20:47,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-06 17:20:47,355 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-06 17:20:47,356 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-06 17:20:47,356 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-06 17:20:47,357 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-06 17:20:47,357 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-06 17:20:47,358 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-06 17:20:47,358 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-06 17:20:47,359 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-06 17:20:47,360 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-06 17:20:47,361 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-06 17:20:47,362 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-06 17:20:47,367 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-06 17:20:47,368 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-06 17:20:47,370 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-06 17:20:47,378 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-06 17:20:47,378 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-06 17:20:47,379 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-06 17:20:47,379 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-06 17:20:47,380 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-06 17:20:47,380 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-06 17:20:47,380 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-06 17:20:47,381 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-06 17:20:47,381 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-06 17:20:47,382 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-06 17:20:47,382 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-06 17:20:47,382 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-06 17:20:47,383 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-06 17:20:47,383 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-06 17:20:47,383 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-06 17:20:47,384 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-06 17:20:47,384 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-06 17:20:47,387 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 [2022-12-06 17:20:47,416 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-06 17:20:47,416 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-06 17:20:47,417 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-06 17:20:47,417 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-06 17:20:47,418 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-06 17:20:47,418 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-06 17:20:47,418 INFO L138 SettingsManager]: * Use SBE=true [2022-12-06 17:20:47,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-06 17:20:47,419 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-06 17:20:47,419 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-06 17:20:47,419 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-06 17:20:47,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-06 17:20:47,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-06 17:20:47,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-06 17:20:47,420 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-06 17:20:47,420 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-06 17:20:47,420 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-06 17:20:47,420 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-06 17:20:47,420 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-06 17:20:47,420 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-06 17:20:47,421 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-06 17:20:47,421 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-06 17:20:47,421 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-06 17:20:47,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 17:20:47,421 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-06 17:20:47,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-06 17:20:47,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-06 17:20:47,421 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-06 17:20:47,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-06 17:20:47,422 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-06 17:20:47,422 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-06 17:20:47,422 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-06 17:20:47,660 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-06 17:20:47,679 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-06 17:20:47,681 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-06 17:20:47,682 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-06 17:20:47,682 INFO L275 PluginConnector]: CDTParser initialized [2022-12-06 17:20:47,683 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/chl-sre-symm.wvr.c [2022-12-06 17:20:48,664 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-06 17:20:48,811 INFO L351 CDTParser]: Found 1 translation units. [2022-12-06 17:20:48,811 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-symm.wvr.c [2022-12-06 17:20:48,816 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68e782389/af0066f6e1474150ac819f8f242f2bbe/FLAG3e9ecfabb [2022-12-06 17:20:48,829 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68e782389/af0066f6e1474150ac819f8f242f2bbe [2022-12-06 17:20:48,831 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-06 17:20:48,832 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-06 17:20:48,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-06 17:20:48,832 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-06 17:20:48,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-06 17:20:48,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:20:48" (1/1) ... [2022-12-06 17:20:48,835 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@192f63c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:48, skipping insertion in model container [2022-12-06 17:20:48,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:20:48" (1/1) ... [2022-12-06 17:20:48,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-06 17:20:48,869 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-06 17:20:48,993 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-symm.wvr.c[2133,2146] [2022-12-06 17:20:48,996 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 17:20:49,004 INFO L203 MainTranslator]: Completed pre-run [2022-12-06 17:20:49,019 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/chl-sre-symm.wvr.c[2133,2146] [2022-12-06 17:20:49,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-06 17:20:49,045 INFO L208 MainTranslator]: Completed translation [2022-12-06 17:20:49,047 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:49 WrapperNode [2022-12-06 17:20:49,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-06 17:20:49,048 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-06 17:20:49,048 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-06 17:20:49,048 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-06 17:20:49,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:49" (1/1) ... [2022-12-06 17:20:49,066 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:49" (1/1) ... [2022-12-06 17:20:49,080 INFO L138 Inliner]: procedures = 21, calls = 21, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 60 [2022-12-06 17:20:49,081 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-06 17:20:49,081 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-06 17:20:49,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-06 17:20:49,081 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-06 17:20:49,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:49" (1/1) ... [2022-12-06 17:20:49,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:49" (1/1) ... [2022-12-06 17:20:49,098 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:49" (1/1) ... [2022-12-06 17:20:49,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:49" (1/1) ... [2022-12-06 17:20:49,101 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:49" (1/1) ... [2022-12-06 17:20:49,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:49" (1/1) ... [2022-12-06 17:20:49,103 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:49" (1/1) ... [2022-12-06 17:20:49,104 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:49" (1/1) ... [2022-12-06 17:20:49,105 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-06 17:20:49,106 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-06 17:20:49,106 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-06 17:20:49,106 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-06 17:20:49,106 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:49" (1/1) ... [2022-12-06 17:20:49,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-06 17:20:49,122 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-06 17:20:49,132 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 17:20:49,135 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 17:20:49,176 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-06 17:20:49,177 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-12-06 17:20:49,177 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-12-06 17:20:49,177 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-12-06 17:20:49,177 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-12-06 17:20:49,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-06 17:20:49,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-06 17:20:49,177 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-06 17:20:49,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-06 17:20:49,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-06 17:20:49,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-06 17:20:49,177 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-06 17:20:49,178 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 17:20:49,284 INFO L236 CfgBuilder]: Building ICFG [2022-12-06 17:20:49,286 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-06 17:20:49,427 INFO L277 CfgBuilder]: Performing block encoding [2022-12-06 17:20:49,432 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-06 17:20:49,432 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-06 17:20:49,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:20:49 BoogieIcfgContainer [2022-12-06 17:20:49,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-06 17:20:49,435 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-06 17:20:49,435 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-06 17:20:49,437 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-06 17:20:49,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 05:20:48" (1/3) ... [2022-12-06 17:20:49,437 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cbda1da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:20:49, skipping insertion in model container [2022-12-06 17:20:49,437 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:20:49" (2/3) ... [2022-12-06 17:20:49,438 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7cbda1da and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 05:20:49, skipping insertion in model container [2022-12-06 17:20:49,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:20:49" (3/3) ... [2022-12-06 17:20:49,438 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-sre-symm.wvr.c [2022-12-06 17:20:49,453 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-06 17:20:49,453 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-06 17:20:49,453 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-06 17:20:49,511 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2022-12-06 17:20:49,532 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 77 places, 73 transitions, 162 flow [2022-12-06 17:20:49,566 INFO L130 PetriNetUnfolder]: 3/71 cut-off events. [2022-12-06 17:20:49,566 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 17:20:49,569 INFO L83 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 71 events. 3/71 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 18 event pairs, 0 based on Foata normal form. 0/67 useless extension candidates. Maximal degree in co-relation 36. Up to 2 conditions per place. [2022-12-06 17:20:49,569 INFO L82 GeneralOperation]: Start removeDead. Operand has 77 places, 73 transitions, 162 flow [2022-12-06 17:20:49,581 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 67 places, 63 transitions, 138 flow [2022-12-06 17:20:49,588 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-06 17:20:49,595 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;@350dbba5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-06 17:20:49,595 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-06 17:20:49,613 INFO L130 PetriNetUnfolder]: 3/62 cut-off events. [2022-12-06 17:20:49,613 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-12-06 17:20:49,613 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 17:20:49,614 INFO L213 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] [2022-12-06 17:20:49,614 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 17:20:49,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 17:20:49,618 INFO L85 PathProgramCache]: Analyzing trace with hash 29212282, now seen corresponding path program 1 times [2022-12-06 17:20:49,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 17:20:49,628 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013867930] [2022-12-06 17:20:49,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 17:20:49,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 17:20:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 17:20:51,006 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 17:20:51,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 17:20:51,007 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013867930] [2022-12-06 17:20:51,007 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013867930] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 17:20:51,008 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 17:20:51,008 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-06 17:20:51,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809059471] [2022-12-06 17:20:51,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 17:20:51,015 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-06 17:20:51,015 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 17:20:51,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-06 17:20:51,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2022-12-06 17:20:51,042 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 73 [2022-12-06 17:20:51,045 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 67 places, 63 transitions, 138 flow. Second operand has 12 states, 12 states have (on average 44.0) internal successors, (528), 12 states have internal predecessors, (528), 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 17:20:51,045 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 17:20:51,045 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 73 [2022-12-06 17:20:51,046 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 17:20:52,082 INFO L130 PetriNetUnfolder]: 2/93 cut-off events. [2022-12-06 17:20:52,082 INFO L131 PetriNetUnfolder]: For 21/24 co-relation queries the response was YES. [2022-12-06 17:20:52,082 INFO L83 FinitePrefix]: Finished finitePrefix Result has 157 conditions, 93 events. 2/93 cut-off events. For 21/24 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 117 event pairs, 0 based on Foata normal form. 7/95 useless extension candidates. Maximal degree in co-relation 36. Up to 19 conditions per place. [2022-12-06 17:20:52,085 INFO L137 encePairwiseOnDemand]: 56/73 looper letters, 23 selfloop transitions, 1 changer transitions 21/78 dead transitions. [2022-12-06 17:20:52,085 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 81 places, 78 transitions, 267 flow [2022-12-06 17:20:52,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-06 17:20:52,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2022-12-06 17:20:52,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 682 transitions. [2022-12-06 17:20:52,111 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6228310502283105 [2022-12-06 17:20:52,114 INFO L294 CegarLoopForPetriNet]: 67 programPoint places, 14 predicate places. [2022-12-06 17:20:52,114 INFO L495 AbstractCegarLoop]: Abstraction has has 81 places, 78 transitions, 267 flow [2022-12-06 17:20:52,114 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 44.0) internal successors, (528), 12 states have internal predecessors, (528), 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 17:20:52,114 INFO L205 CegarLoopForPetriNet]: Found error trace [2022-12-06 17:20:52,115 INFO L213 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] [2022-12-06 17:20:52,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-06 17:20:52,115 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-06 17:20:52,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-06 17:20:52,115 INFO L85 PathProgramCache]: Analyzing trace with hash -981002220, now seen corresponding path program 2 times [2022-12-06 17:20:52,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-06 17:20:52,116 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909212861] [2022-12-06 17:20:52,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-06 17:20:52,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-06 17:20:52,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-06 17:20:52,580 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 17:20:52,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-06 17:20:52,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909212861] [2022-12-06 17:20:52,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909212861] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-06 17:20:52,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-06 17:20:52,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-12-06 17:20:52,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299539399] [2022-12-06 17:20:52,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-06 17:20:52,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-12-06 17:20:52,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-06 17:20:52,582 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-12-06 17:20:52,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-12-06 17:20:52,583 INFO L490 CegarLoopForPetriNet]: Number of universal loopers: 42 out of 73 [2022-12-06 17:20:52,584 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 81 places, 78 transitions, 267 flow. Second operand has 12 states, 12 states have (on average 44.0) internal successors, (528), 12 states have internal predecessors, (528), 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 17:20:52,584 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-06 17:20:52,584 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 42 of 73 [2022-12-06 17:20:52,584 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-06 17:20:53,421 INFO L130 PetriNetUnfolder]: 2/90 cut-off events. [2022-12-06 17:20:53,421 INFO L131 PetriNetUnfolder]: For 47/62 co-relation queries the response was YES. [2022-12-06 17:20:53,422 INFO L83 FinitePrefix]: Finished finitePrefix Result has 202 conditions, 90 events. 2/90 cut-off events. For 47/62 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 114 event pairs, 0 based on Foata normal form. 4/90 useless extension candidates. Maximal degree in co-relation 44. Up to 18 conditions per place. [2022-12-06 17:20:53,422 INFO L137 encePairwiseOnDemand]: 59/73 looper letters, 0 selfloop transitions, 0 changer transitions 77/77 dead transitions. [2022-12-06 17:20:53,422 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 77 transitions, 362 flow [2022-12-06 17:20:53,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-12-06 17:20:53,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2022-12-06 17:20:53,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 675 transitions. [2022-12-06 17:20:53,425 INFO L535 CegarLoopForPetriNet]: DFA transition density 0.6164383561643836 [2022-12-06 17:20:53,425 INFO L294 CegarLoopForPetriNet]: 67 programPoint places, 25 predicate places. [2022-12-06 17:20:53,425 INFO L495 AbstractCegarLoop]: Abstraction has has 92 places, 77 transitions, 362 flow [2022-12-06 17:20:53,426 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 44.0) internal successors, (528), 12 states have internal predecessors, (528), 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 17:20:53,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-06 17:20:53,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-12-06 17:20:53,428 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-12-06 17:20:53,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-06 17:20:53,429 INFO L458 BasicCegarLoop]: Path program histogram: [2] [2022-12-06 17:20:53,431 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-06 17:20:53,431 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-06 17:20:53,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.12 05:20:53 BasicIcfg [2022-12-06 17:20:53,434 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-06 17:20:53,435 INFO L158 Benchmark]: Toolchain (without parser) took 4602.98ms. Allocated memory was 198.2MB in the beginning and 302.0MB in the end (delta: 103.8MB). Free memory was 174.3MB in the beginning and 272.2MB in the end (delta: -97.9MB). Peak memory consumption was 143.3MB. Max. memory is 8.0GB. [2022-12-06 17:20:53,435 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 198.2MB. Free memory is still 174.8MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-06 17:20:53,435 INFO L158 Benchmark]: CACSL2BoogieTranslator took 215.04ms. Allocated memory is still 198.2MB. Free memory was 174.3MB in the beginning and 163.3MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-12-06 17:20:53,436 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.46ms. Allocated memory is still 198.2MB. Free memory was 163.3MB in the beginning and 161.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-06 17:20:53,436 INFO L158 Benchmark]: Boogie Preprocessor took 24.06ms. Allocated memory is still 198.2MB. Free memory was 161.8MB in the beginning and 160.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-06 17:20:53,436 INFO L158 Benchmark]: RCFGBuilder took 327.84ms. Allocated memory is still 198.2MB. Free memory was 160.7MB in the beginning and 148.7MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-12-06 17:20:53,437 INFO L158 Benchmark]: TraceAbstraction took 3999.45ms. Allocated memory was 198.2MB in the beginning and 302.0MB in the end (delta: 103.8MB). Free memory was 148.1MB in the beginning and 272.2MB in the end (delta: -124.1MB). Peak memory consumption was 117.1MB. Max. memory is 8.0GB. [2022-12-06 17:20:53,438 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 198.2MB. Free memory is still 174.8MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 215.04ms. Allocated memory is still 198.2MB. Free memory was 174.3MB in the beginning and 163.3MB in the end (delta: 11.0MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 32.46ms. Allocated memory is still 198.2MB. Free memory was 163.3MB in the beginning and 161.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.06ms. Allocated memory is still 198.2MB. Free memory was 161.8MB in the beginning and 160.7MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 327.84ms. Allocated memory is still 198.2MB. Free memory was 160.7MB in the beginning and 148.7MB in the end (delta: 12.1MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 3999.45ms. Allocated memory was 198.2MB in the beginning and 302.0MB in the end (delta: 103.8MB). Free memory was 148.1MB in the beginning and 272.2MB in the end (delta: -124.1MB). Peak memory consumption was 117.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 69]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 81 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: 3.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 123 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 123 mSDsluCounter, 165 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 120 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 299 IncrementalHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 45 mSDtfsCounter, 299 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=362occurred in iteration=2, InterpolantAutomatonStates: 30, 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, 1.6s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 2091 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-12-06 17:20:53,467 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...