/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 16:02:41,185 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 16:02:41,187 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 16:02:41,221 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 16:02:41,221 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 16:02:41,224 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 16:02:41,227 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 16:02:41,230 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 16:02:41,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 16:02:41,236 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 16:02:41,237 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 16:02:41,239 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 16:02:41,239 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 16:02:41,241 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 16:02:41,245 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 16:02:41,246 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 16:02:41,246 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 16:02:41,247 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 16:02:41,249 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 16:02:41,253 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 16:02:41,255 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 16:02:41,256 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 16:02:41,258 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 16:02:41,259 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 16:02:41,265 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 16:02:41,265 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 16:02:41,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 16:02:41,266 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 16:02:41,267 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 16:02:41,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 16:02:41,268 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 16:02:41,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 16:02:41,270 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 16:02:41,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 16:02:41,271 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 16:02:41,271 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 16:02:41,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 16:02:41,272 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 16:02:41,272 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 16:02:41,273 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 16:02:41,273 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 16:02:41,274 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 16:02:41,304 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 16:02:41,305 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 16:02:41,305 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 16:02:41,305 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 16:02:41,306 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 16:02:41,306 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 16:02:41,307 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 16:02:41,307 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 16:02:41,307 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 16:02:41,307 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 16:02:41,308 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 16:02:41,308 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 16:02:41,308 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 16:02:41,308 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 16:02:41,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 16:02:41,309 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 16:02:41,309 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 16:02:41,309 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 16:02:41,309 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 16:02:41,309 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 16:02:41,309 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 16:02:41,309 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 16:02:41,309 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 16:02:41,310 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 16:02:41,310 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 16:02:41,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 16:02:41,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 16:02:41,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 16:02:41,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 16:02:41,311 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 16:02:41,311 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 16:02:41,311 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 16:02:41,312 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 16:02:41,312 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 16:02:41,312 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 16:02:41,312 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 16:02:41,312 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE [2023-05-04 16:02:41,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 16:02:41,549 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 16:02:41,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 16:02:41,552 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 16:02:41,553 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 16:02:41,554 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c [2023-05-04 16:02:41,609 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/190b78e7a/ad04386bebde401a93d467bebe1d67fc/FLAGbe96ef797 [2023-05-04 16:02:41,983 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 16:02:41,983 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c [2023-05-04 16:02:41,991 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/190b78e7a/ad04386bebde401a93d467bebe1d67fc/FLAGbe96ef797 [2023-05-04 16:02:42,002 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/190b78e7a/ad04386bebde401a93d467bebe1d67fc [2023-05-04 16:02:42,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 16:02:42,005 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 16:02:42,006 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 16:02:42,006 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 16:02:42,011 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 16:02:42,012 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 04:02:42" (1/1) ... [2023-05-04 16:02:42,013 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ab17c87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:02:42, skipping insertion in model container [2023-05-04 16:02:42,013 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 04:02:42" (1/1) ... [2023-05-04 16:02:42,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 16:02:42,044 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 16:02:42,202 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c[2957,2970] [2023-05-04 16:02:42,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 16:02:42,215 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 16:02:42,235 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/weaver/popl20-threaded-sum-3.wvr.c[2957,2970] [2023-05-04 16:02:42,236 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 16:02:42,247 INFO L208 MainTranslator]: Completed translation [2023-05-04 16:02:42,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:02:42 WrapperNode [2023-05-04 16:02:42,247 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 16:02:42,248 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 16:02:42,248 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 16:02:42,248 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 16:02:42,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:02:42" (1/1) ... [2023-05-04 16:02:42,261 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:02:42" (1/1) ... [2023-05-04 16:02:42,277 INFO L138 Inliner]: procedures = 22, calls = 46, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 79 [2023-05-04 16:02:42,278 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 16:02:42,278 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 16:02:42,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 16:02:42,279 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 16:02:42,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:02:42" (1/1) ... [2023-05-04 16:02:42,286 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:02:42" (1/1) ... [2023-05-04 16:02:42,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:02:42" (1/1) ... [2023-05-04 16:02:42,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:02:42" (1/1) ... [2023-05-04 16:02:42,294 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:02:42" (1/1) ... [2023-05-04 16:02:42,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:02:42" (1/1) ... [2023-05-04 16:02:42,299 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:02:42" (1/1) ... [2023-05-04 16:02:42,300 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:02:42" (1/1) ... [2023-05-04 16:02:42,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 16:02:42,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 16:02:42,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 16:02:42,303 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 16:02:42,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:02:42" (1/1) ... [2023-05-04 16:02:42,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 16:02:42,319 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:02:42,328 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-05-04 16:02:42,336 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-05-04 16:02:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 16:02:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 16:02:42,361 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 16:02:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 16:02:42,361 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 16:02:42,361 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2023-05-04 16:02:42,361 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2023-05-04 16:02:42,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 16:02:42,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 16:02:42,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 16:02:42,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-05-04 16:02:42,362 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-05-04 16:02:42,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 16:02:42,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 16:02:42,363 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 16:02:42,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 16:02:42,364 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2023-05-04 16:02:42,434 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 16:02:42,436 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 16:02:42,703 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 16:02:42,766 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 16:02:42,766 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-04 16:02:42,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 04:02:42 BoogieIcfgContainer [2023-05-04 16:02:42,768 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 16:02:42,770 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 16:02:42,770 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 16:02:42,773 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 16:02:42,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 04:02:42" (1/3) ... [2023-05-04 16:02:42,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@286a39a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 04:02:42, skipping insertion in model container [2023-05-04 16:02:42,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 04:02:42" (2/3) ... [2023-05-04 16:02:42,775 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@286a39a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 04:02:42, skipping insertion in model container [2023-05-04 16:02:42,775 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 04:02:42" (3/3) ... [2023-05-04 16:02:42,776 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-threaded-sum-3.wvr.c [2023-05-04 16:02:42,782 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 16:02:42,791 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 16:02:42,791 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 16:02:42,791 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 16:02:42,877 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2023-05-04 16:02:42,912 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 16:02:42,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 16:02:42,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:02:42,914 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2023-05-04 16:02:42,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2023-05-04 16:02:42,940 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 16:02:42,953 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 16:02:42,959 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@c41331f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 16:02:42,959 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2023-05-04 16:02:43,278 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 16:02:43,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:02:43,284 INFO L85 PathProgramCache]: Analyzing trace with hash -1741876110, now seen corresponding path program 1 times [2023-05-04 16:02:43,292 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:02:43,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [940065607] [2023-05-04 16:02:43,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:02:43,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:02:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:02:43,641 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2023-05-04 16:02:43,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:02:43,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [940065607] [2023-05-04 16:02:43,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [940065607] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 16:02:43,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 16:02:43,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 16:02:43,646 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328619094] [2023-05-04 16:02:43,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 16:02:43,653 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 16:02:43,653 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:02:43,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 16:02:43,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 16:02:43,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:02:43,674 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:02:43,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 43.5) internal successors, (87), 2 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 16:02:43,676 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:02:43,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:02:43,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 16:02:43,725 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 16:02:43,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:02:43,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1683768812, now seen corresponding path program 1 times [2023-05-04 16:02:43,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:02:43,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008505557] [2023-05-04 16:02:43,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:02:43,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:02:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:02:44,803 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 16:02:44,803 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 16:02:44,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008505557] [2023-05-04 16:02:44,803 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008505557] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 16:02:44,803 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1054605848] [2023-05-04 16:02:44,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:02:44,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 16:02:44,804 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 16:02:44,812 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 16:02:44,826 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-05-04 16:02:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:02:44,935 INFO L263 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-04 16:02:44,944 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 16:02:45,279 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-05-04 16:02:45,280 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 16:02:45,722 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-05-04 16:02:45,723 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1054605848] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 16:02:45,723 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 16:02:45,723 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9, 10] total 20 [2023-05-04 16:02:45,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747079714] [2023-05-04 16:02:45,724 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 16:02:45,725 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2023-05-04 16:02:45,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 16:02:45,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-05-04 16:02:45,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=313, Unknown=0, NotChecked=0, Total=380 [2023-05-04 16:02:45,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:02:45,727 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 16:02:45,727 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 7.6) internal successors, (152), 20 states have internal predecessors, (152), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-05-04 16:02:45,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:02:45,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:02:46,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 16:02:46,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2023-05-04 16:02:46,610 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-05-04 16:02:46,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-05-04 16:02:46,789 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] === [2023-05-04 16:02:46,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 16:02:46,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1151832343, now seen corresponding path program 1 times [2023-05-04 16:02:46,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 16:02:46,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460056794] [2023-05-04 16:02:46,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 16:02:46,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 16:02:47,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 16:08:41,147 WARN L233 SmtUtils]: Spent 19.23s on a formula simplification. DAG size of input: 152 DAG size of output: 151 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2023-05-04 16:16:56,069 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 16:16:56,073 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 16:16:56,109 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-04 16:16:56,111 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2023-05-04 16:16:56,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 16:16:56,112 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 122 with TraceHistMax 7,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 2272ms.. [2023-05-04 16:16:56,113 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 4 remaining) [2023-05-04 16:16:56,113 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining) [2023-05-04 16:16:56,113 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining) [2023-05-04 16:16:56,118 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-05-04 16:16:56,120 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 16:16:56,120 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 16:16:56,122 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 04:16:56 BasicIcfg [2023-05-04 16:16:56,122 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 16:16:56,123 INFO L158 Benchmark]: Toolchain (without parser) took 854117.46ms. Allocated memory was 189.8MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 159.7MB in the beginning and 1.1GB in the end (delta: -913.1MB). Peak memory consumption was 791.5MB. Max. memory is 8.0GB. [2023-05-04 16:16:56,123 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 189.8MB. Free memory is still 146.7MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 16:16:56,123 INFO L158 Benchmark]: CACSL2BoogieTranslator took 241.34ms. Allocated memory was 189.8MB in the beginning and 274.7MB in the end (delta: 84.9MB). Free memory was 159.5MB in the beginning and 246.3MB in the end (delta: -86.8MB). Peak memory consumption was 9.2MB. Max. memory is 8.0GB. [2023-05-04 16:16:56,124 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.88ms. Allocated memory is still 274.7MB. Free memory was 246.3MB in the beginning and 244.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 16:16:56,128 INFO L158 Benchmark]: Boogie Preprocessor took 24.07ms. Allocated memory is still 274.7MB. Free memory was 244.7MB in the beginning and 243.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 16:16:56,129 INFO L158 Benchmark]: RCFGBuilder took 464.93ms. Allocated memory is still 274.7MB. Free memory was 243.2MB in the beginning and 224.8MB in the end (delta: 18.4MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-05-04 16:16:56,129 INFO L158 Benchmark]: TraceAbstraction took 853351.87ms. Allocated memory was 274.7MB in the beginning and 1.3GB in the end (delta: 993.0MB). Free memory was 223.5MB in the beginning and 1.1GB in the end (delta: -849.3MB). Peak memory consumption was 771.8MB. Max. memory is 8.0GB. [2023-05-04 16:16:56,131 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 189.8MB. Free memory is still 146.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 241.34ms. Allocated memory was 189.8MB in the beginning and 274.7MB in the end (delta: 84.9MB). Free memory was 159.5MB in the beginning and 246.3MB in the end (delta: -86.8MB). Peak memory consumption was 9.2MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 29.88ms. Allocated memory is still 274.7MB. Free memory was 246.3MB in the beginning and 244.7MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 24.07ms. Allocated memory is still 274.7MB. Free memory was 244.7MB in the beginning and 243.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 464.93ms. Allocated memory is still 274.7MB. Free memory was 243.2MB in the beginning and 224.8MB in the end (delta: 18.4MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 853351.87ms. Allocated memory was 274.7MB in the beginning and 1.3GB in the end (delta: 993.0MB). Free memory was 223.5MB in the beginning and 1.1GB in the end (delta: -849.3MB). Peak memory consumption was 771.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3239, independent: 2866, independent conditional: 1341, independent unconditional: 1525, dependent: 373, dependent conditional: 348, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2929, independent: 2866, independent conditional: 1341, independent unconditional: 1525, dependent: 63, dependent conditional: 38, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2929, independent: 2866, independent conditional: 1341, independent unconditional: 1525, dependent: 63, dependent conditional: 38, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2991, independent: 2866, independent conditional: 24, independent unconditional: 2842, dependent: 125, dependent conditional: 38, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2991, independent: 2866, independent conditional: 24, independent unconditional: 2842, dependent: 125, dependent conditional: 35, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2991, independent: 2866, independent conditional: 24, independent unconditional: 2842, dependent: 125, dependent conditional: 35, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1361, independent: 1330, independent conditional: 5, independent unconditional: 1325, dependent: 31, dependent conditional: 6, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1361, independent: 1323, independent conditional: 0, independent unconditional: 1323, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 38, independent: 7, independent conditional: 5, independent unconditional: 2, dependent: 31, dependent conditional: 6, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, independent: 7, independent conditional: 5, independent unconditional: 2, dependent: 31, dependent conditional: 6, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 278, independent: 70, independent conditional: 16, independent unconditional: 55, dependent: 208, dependent conditional: 66, dependent unconditional: 142, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2991, independent: 1536, independent conditional: 19, independent unconditional: 1517, dependent: 94, dependent conditional: 29, dependent unconditional: 65, unknown: 1361, unknown conditional: 11, unknown unconditional: 1350] , Statistics on independence cache: Total cache size (in pairs): 1361, Positive cache size: 1330, Positive conditional cache size: 5, Positive unconditional cache size: 1325, Negative cache size: 31, Negative conditional cache size: 6, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3, Maximal queried relation: 1, Independence queries for same thread: 310 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 283, Number of trivial persistent sets: 205, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1550, independent: 1525, independent conditional: 0, independent unconditional: 1525, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3239, independent: 2866, independent conditional: 1341, independent unconditional: 1525, dependent: 373, dependent conditional: 348, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2929, independent: 2866, independent conditional: 1341, independent unconditional: 1525, dependent: 63, dependent conditional: 38, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 2929, independent: 2866, independent conditional: 1341, independent unconditional: 1525, dependent: 63, dependent conditional: 38, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2991, independent: 2866, independent conditional: 24, independent unconditional: 2842, dependent: 125, dependent conditional: 38, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 2991, independent: 2866, independent conditional: 24, independent unconditional: 2842, dependent: 125, dependent conditional: 35, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2991, independent: 2866, independent conditional: 24, independent unconditional: 2842, dependent: 125, dependent conditional: 35, dependent unconditional: 90, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1361, independent: 1330, independent conditional: 5, independent unconditional: 1325, dependent: 31, dependent conditional: 6, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1361, independent: 1323, independent conditional: 0, independent unconditional: 1323, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 38, independent: 7, independent conditional: 5, independent unconditional: 2, dependent: 31, dependent conditional: 6, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, independent: 7, independent conditional: 5, independent unconditional: 2, dependent: 31, dependent conditional: 6, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 278, independent: 70, independent conditional: 16, independent unconditional: 55, dependent: 208, dependent conditional: 66, dependent unconditional: 142, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 2991, independent: 1536, independent conditional: 19, independent unconditional: 1517, dependent: 94, dependent conditional: 29, dependent unconditional: 65, unknown: 1361, unknown conditional: 11, unknown unconditional: 1350] , Statistics on independence cache: Total cache size (in pairs): 1361, Positive cache size: 1330, Positive conditional cache size: 5, Positive unconditional cache size: 1325, Negative cache size: 31, Negative conditional cache size: 6, Negative unconditional cache size: 25, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 3, Maximal queried relation: 1, Independence queries for same thread: 310 - TimeoutResultAtElement [Line: 118]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 122 with TraceHistMax 7,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 2272ms.. - TimeoutResultAtElement [Line: 112]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 122 with TraceHistMax 7,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 2272ms.. - TimeoutResultAtElement [Line: 111]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 122 with TraceHistMax 7,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 2272ms.. - TimeoutResultAtElement [Line: 110]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while PartialOrderCegarLoop was analyzing trace of length 122 with TraceHistMax 7,while InterpolatingTraceCheckCraig was constructing Craig interpolants,while SimplifyDDAWithTimeout was simplifying term of DAG size 3 for 2272ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 133 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 853.2s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 18, 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, 0.2s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 380 ConstructedInterpolants, 0 QuantifiedInterpolants, 1416 SizeOfPredicates, 16 NumberOfNonLiveVariables, 228 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 70/88 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