/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 GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/unroll-5.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 18:56:55,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 18:56:55,133 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 18:56:55,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2023-05-04 18:56:55,163 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2023-05-04 18:56:55,166 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2023-05-04 18:56:55,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2023-05-04 18:56:55,169 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2023-05-04 18:56:55,171 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2023-05-04 18:56:55,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2023-05-04 18:56:55,175 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2023-05-04 18:56:55,177 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2023-05-04 18:56:55,177 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 18:56:55,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 18:56:55,179 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 18:56:55,180 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 18:56:55,181 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 18:56:55,181 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 18:56:55,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 18:56:55,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 18:56:55,187 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 18:56:55,188 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 18:56:55,189 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 18:56:55,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 18:56:55,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 18:56:55,194 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 18:56:55,194 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 18:56:55,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 18:56:55,195 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 18:56:55,195 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 18:56:55,195 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 18:56:55,196 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 18:56:55,197 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 18:56:55,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 18:56:55,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 18:56:55,199 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 18:56:55,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 18:56:55,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 18:56:55,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 18:56:55,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 18:56:55,200 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 18:56:55,201 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 18:56:55,226 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 18:56:55,227 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 18:56:55,227 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 18:56:55,227 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 18:56:55,228 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 18:56:55,228 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 18:56:55,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 18:56:55,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 18:56:55,228 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 18:56:55,229 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 18:56:55,229 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 18:56:55,229 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 18:56:55,229 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 18:56:55,229 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 18:56:55,229 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 18:56:55,229 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 18:56:55,230 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 18:56:55,230 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 18:56:55,230 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 18:56:55,230 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 18:56:55,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 18:56:55,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 18:56:55,230 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 18:56:55,231 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 18:56:55,231 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 18:56:55,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 18:56:55,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 18:56:55,231 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 18:56:55,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 18:56:55,232 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 18:56:55,232 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 18:56:55,232 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 18:56:55,232 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 18:56:55,232 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 18:56:55,232 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 18:56:55,232 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 18:56:55,232 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE [2023-05-04 18:56:55,429 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 18:56:55,447 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 18:56:55,449 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 18:56:55,450 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 18:56:55,451 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 18:56:55,451 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/unroll-5.wvr.c [2023-05-04 18:56:55,487 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0febbc791/f6b7bd01d2a741a7b52d9baf9c723f5a/FLAG21f2a817e [2023-05-04 18:56:55,851 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 18:56:55,851 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/unroll-5.wvr.c [2023-05-04 18:56:55,865 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0febbc791/f6b7bd01d2a741a7b52d9baf9c723f5a/FLAG21f2a817e [2023-05-04 18:56:56,272 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0febbc791/f6b7bd01d2a741a7b52d9baf9c723f5a [2023-05-04 18:56:56,274 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 18:56:56,274 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 18:56:56,275 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 18:56:56,275 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 18:56:56,280 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 18:56:56,280 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 06:56:56" (1/1) ... [2023-05-04 18:56:56,281 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22c571a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:56:56, skipping insertion in model container [2023-05-04 18:56:56,281 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 06:56:56" (1/1) ... [2023-05-04 18:56:56,285 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 18:56:56,300 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 18:56:56,459 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/unroll-5.wvr.c[2644,2657] [2023-05-04 18:56:56,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 18:56:56,472 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 18:56:56,505 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/unroll-5.wvr.c[2644,2657] [2023-05-04 18:56:56,507 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 18:56:56,519 INFO L208 MainTranslator]: Completed translation [2023-05-04 18:56:56,519 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:56:56 WrapperNode [2023-05-04 18:56:56,519 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 18:56:56,520 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 18:56:56,520 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 18:56:56,520 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 18:56:56,525 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:56:56" (1/1) ... [2023-05-04 18:56:56,540 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:56:56" (1/1) ... [2023-05-04 18:56:56,566 INFO L138 Inliner]: procedures = 24, calls = 38, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 164 [2023-05-04 18:56:56,566 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 18:56:56,567 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 18:56:56,567 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 18:56:56,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 18:56:56,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:56:56" (1/1) ... [2023-05-04 18:56:56,573 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:56:56" (1/1) ... [2023-05-04 18:56:56,586 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:56:56" (1/1) ... [2023-05-04 18:56:56,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:56:56" (1/1) ... [2023-05-04 18:56:56,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:56:56" (1/1) ... [2023-05-04 18:56:56,593 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:56:56" (1/1) ... [2023-05-04 18:56:56,594 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:56:56" (1/1) ... [2023-05-04 18:56:56,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:56:56" (1/1) ... [2023-05-04 18:56:56,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 18:56:56,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 18:56:56,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 18:56:56,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 18:56:56,608 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:56:56" (1/1) ... [2023-05-04 18:56:56,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 18:56:56,620 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 18:56:56,628 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 18:56:56,644 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 18:56:56,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 18:56:56,654 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 18:56:56,654 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 18:56:56,654 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 18:56:56,654 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 18:56:56,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 18:56:56,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 18:56:56,654 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 18:56:56,654 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-04 18:56:56,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 18:56:56,655 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 18:56:56,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 18:56:56,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 18:56:56,656 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 18:56:56,746 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 18:56:56,748 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 18:56:57,035 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 18:56:57,047 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 18:56:57,047 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-04 18:56:57,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 06:56:57 BoogieIcfgContainer [2023-05-04 18:56:57,049 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 18:56:57,051 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 18:56:57,051 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 18:56:57,055 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 18:56:57,055 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 06:56:56" (1/3) ... [2023-05-04 18:56:57,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@246677e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 06:56:57, skipping insertion in model container [2023-05-04 18:56:57,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 06:56:56" (2/3) ... [2023-05-04 18:56:57,056 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@246677e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 06:56:57, skipping insertion in model container [2023-05-04 18:56:57,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 06:56:57" (3/3) ... [2023-05-04 18:56:57,057 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-5.wvr.c [2023-05-04 18:56:57,063 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 18:56:57,069 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 18:56:57,070 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 18:56:57,070 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 18:56:57,141 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 18:56:57,184 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 18:56:57,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 18:56:57,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 18:56:57,205 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 18:56:57,214 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 18:56:57,241 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 18:56:57,269 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 18:56:57,289 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;@29a4408c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 18:56:57,290 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 18:56:57,439 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 18:56:57,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 18:56:57,442 INFO L85 PathProgramCache]: Analyzing trace with hash -187124155, now seen corresponding path program 1 times [2023-05-04 18:56:57,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 18:56:57,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51209428] [2023-05-04 18:56:57,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 18:56:57,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 18:56:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 18:56:57,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 18:56:57,704 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 18:56:57,704 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [51209428] [2023-05-04 18:56:57,706 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [51209428] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 18:56:57,706 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 18:56:57,706 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 18:56:57,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770774086] [2023-05-04 18:56:57,707 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 18:56:57,711 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 18:56:57,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 18:56:57,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 18:56:57,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 18:56:57,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:56:57,729 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 18:56:57,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 79.0) internal successors, (158), 2 states have internal predecessors, (158), 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 18:56:57,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:56:57,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:56:57,797 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 18:56:57,797 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 18:56:57,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 18:56:57,797 INFO L85 PathProgramCache]: Analyzing trace with hash 410709266, now seen corresponding path program 1 times [2023-05-04 18:56:57,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 18:56:57,798 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594996024] [2023-05-04 18:56:57,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 18:56:57,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 18:56:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 18:56:58,040 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 18:56:58,041 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 18:56:58,041 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594996024] [2023-05-04 18:56:58,041 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594996024] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 18:56:58,041 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 18:56:58,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-05-04 18:56:58,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1190732388] [2023-05-04 18:56:58,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 18:56:58,057 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-05-04 18:56:58,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 18:56:58,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-05-04 18:56:58,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-05-04 18:56:58,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:56:58,058 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 18:56:58,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 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 18:56:58,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:56:58,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:56:58,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:56:58,097 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 18:56:58,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 18:56:58,098 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 18:56:58,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 18:56:58,098 INFO L85 PathProgramCache]: Analyzing trace with hash -207203761, now seen corresponding path program 1 times [2023-05-04 18:56:58,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 18:56:58,098 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56751647] [2023-05-04 18:56:58,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 18:56:58,099 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 18:56:58,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 18:56:58,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 18:56:58,374 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 18:56:58,374 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56751647] [2023-05-04 18:56:58,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56751647] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 18:56:58,375 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 18:56:58,375 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-05-04 18:56:58,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20346181] [2023-05-04 18:56:58,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 18:56:58,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-05-04 18:56:58,376 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 18:56:58,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-05-04 18:56:58,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2023-05-04 18:56:58,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:56:58,379 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 18:56:58,379 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 12.0) internal successors, (96), 8 states have internal predecessors, (96), 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 18:56:58,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:56:58,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 18:56:58,383 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:56:58,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:56:58,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 18:56:58,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:56:58,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 18:56:58,504 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 18:56:58,504 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 18:56:58,504 INFO L85 PathProgramCache]: Analyzing trace with hash 1028076374, now seen corresponding path program 1 times [2023-05-04 18:56:58,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 18:56:58,504 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211720181] [2023-05-04 18:56:58,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 18:56:58,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 18:56:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 18:56:58,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 18:56:58,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 18:56:58,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211720181] [2023-05-04 18:56:58,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [211720181] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 18:56:58,682 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 18:56:58,682 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 18:56:58,682 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [493200633] [2023-05-04 18:56:58,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 18:56:58,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 18:56:58,683 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 18:56:58,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 18:56:58,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-05-04 18:56:58,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:56:58,683 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 18:56:58,684 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 17.166666666666668) internal successors, (103), 6 states have internal predecessors, (103), 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 18:56:58,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:56:58,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 18:56:58,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:56:58,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:56:58,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:56:58,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 18:56:58,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:56:58,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:56:58,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-04 18:56:58,803 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 18:56:58,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 18:56:58,804 INFO L85 PathProgramCache]: Analyzing trace with hash 1070136999, now seen corresponding path program 1 times [2023-05-04 18:56:58,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 18:56:58,804 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088616142] [2023-05-04 18:56:58,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 18:56:58,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 18:56:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 18:56:59,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 18:56:59,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 18:56:59,002 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088616142] [2023-05-04 18:56:59,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088616142] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 18:56:59,002 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 18:56:59,002 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-05-04 18:56:59,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410557795] [2023-05-04 18:56:59,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 18:56:59,002 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-05-04 18:56:59,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 18:56:59,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-05-04 18:56:59,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-05-04 18:56:59,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:56:59,003 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 18:56:59,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 23.2) internal successors, (116), 5 states have internal predecessors, (116), 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 18:56:59,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:56:59,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 18:56:59,004 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:56:59,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:56:59,005 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:56:59,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:56:59,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 18:56:59,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:56:59,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:56:59,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 18:56:59,128 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-05-04 18:56:59,128 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 18:56:59,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 18:56:59,129 INFO L85 PathProgramCache]: Analyzing trace with hash -1439991122, now seen corresponding path program 1 times [2023-05-04 18:56:59,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 18:56:59,129 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353730746] [2023-05-04 18:56:59,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 18:56:59,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 18:56:59,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 18:57:00,355 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 3 proven. 86 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-05-04 18:57:00,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 18:57:00,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353730746] [2023-05-04 18:57:00,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353730746] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 18:57:00,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [975534612] [2023-05-04 18:57:00,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 18:57:00,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 18:57:00,356 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 18:57:00,357 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 18:57:00,404 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 18:57:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 18:57:00,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 413 conjuncts, 38 conjunts are in the unsatisfiable core [2023-05-04 18:57:00,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 18:57:01,596 INFO L356 Elim1Store]: treesize reduction 9, result has 25.0 percent of original size [2023-05-04 18:57:01,596 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 10 [2023-05-04 18:57:01,616 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 43 proven. 46 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-05-04 18:57:01,616 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 18:57:01,881 INFO L356 Elim1Store]: treesize reduction 5, result has 58.3 percent of original size [2023-05-04 18:57:01,881 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 11 [2023-05-04 18:57:02,364 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2023-05-04 18:57:02,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [975534612] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 18:57:02,365 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 18:57:02,365 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 20, 20] total 52 [2023-05-04 18:57:02,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1792559880] [2023-05-04 18:57:02,365 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 18:57:02,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2023-05-04 18:57:02,366 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 18:57:02,366 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2023-05-04 18:57:02,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=2403, Unknown=0, NotChecked=0, Total=2652 [2023-05-04 18:57:02,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:57:02,367 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 18:57:02,368 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 7.5576923076923075) internal successors, (393), 52 states have internal predecessors, (393), 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 18:57:02,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:57:02,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 18:57:02,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:57:02,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:57:02,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2023-05-04 18:57:02,368 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:57:03,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 18:57:03,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 18:57:03,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:57:03,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 18:57:03,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-05-04 18:57:03,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-05-04 18:57:03,188 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-05-04 18:57:03,370 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,SelfDestructingSolverStorable5 [2023-05-04 18:57:03,370 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 18:57:03,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 18:57:03,371 INFO L85 PathProgramCache]: Analyzing trace with hash -896363001, now seen corresponding path program 2 times [2023-05-04 18:57:03,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 18:57:03,371 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168655635] [2023-05-04 18:57:03,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 18:57:03,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 18:57:03,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 18:57:12,341 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 18:57:12,342 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 18:57:12,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168655635] [2023-05-04 18:57:12,342 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168655635] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 18:57:12,342 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1057711292] [2023-05-04 18:57:12,342 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 18:57:12,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 18:57:12,342 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 18:57:12,344 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 18:57:12,345 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-05-04 18:57:12,567 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 18:57:12,567 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 18:57:12,570 INFO L263 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 113 conjunts are in the unsatisfiable core [2023-05-04 18:57:12,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 18:57:13,449 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2023-05-04 18:57:13,911 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 18:57:13,995 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-05-04 18:57:19,229 INFO L356 Elim1Store]: treesize reduction 63, result has 22.2 percent of original size [2023-05-04 18:57:19,229 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 123 treesize of output 64 [2023-05-04 18:57:19,450 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 18:57:19,451 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 18:57:33,270 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 18:57:33,271 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 1080 treesize of output 612 [2023-05-04 18:57:34,189 INFO L356 Elim1Store]: treesize reduction 5, result has 98.8 percent of original size [2023-05-04 18:57:34,190 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 18 new quantified variables, introduced 45 case distinctions, treesize of input 1574 treesize of output 1741 [2023-05-04 18:57:35,353 INFO L356 Elim1Store]: treesize reduction 12, result has 97.6 percent of original size [2023-05-04 18:57:35,354 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 18 new quantified variables, introduced 45 case distinctions, treesize of input 1614 treesize of output 1470 [2023-05-04 18:57:36,802 INFO L356 Elim1Store]: treesize reduction 12, result has 97.6 percent of original size [2023-05-04 18:57:36,802 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 18 new quantified variables, introduced 45 case distinctions, treesize of input 621 treesize of output 837 [2023-05-04 18:58:07,267 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-04 18:58:09,294 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-04 18:58:19,754 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-04 18:58:20,656 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-04 18:58:23,190 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-04 18:58:25,114 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-04 18:58:27,253 WARN L718 sPolynomialRelations]: Constructing 512(two to the power of 9 dual juncts. [2023-05-04 18:58:39,938 WARN L718 sPolynomialRelations]: Constructing 256(two to the power of 8 dual juncts. [2023-05-04 18:58:50,494 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-04 18:59:07,262 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-04 18:59:31,729 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-04 19:00:49,374 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-04 19:01:31,600 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-04 19:01:45,784 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-04 19:01:47,222 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-04 19:04:43,436 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-04 19:05:46,809 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-04 19:06:44,820 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-04 19:06:48,919 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-04 19:06:54,656 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-04 19:07:58,103 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-04 19:08:02,425 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-04 19:08:06,890 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-04 19:08:09,029 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-04 19:08:10,924 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-04 19:08:20,385 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-04 19:09:27,801 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-04 19:09:32,088 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-04 19:09:36,099 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. [2023-05-04 19:09:41,526 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-04 19:10:05,830 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-04 19:10:30,414 WARN L718 sPolynomialRelations]: Constructing 64(two to the power of 6 dual juncts. [2023-05-04 19:10:37,456 WARN L718 sPolynomialRelations]: Constructing 128(two to the power of 7 dual juncts. Received shutdown request... [2023-05-04 19:11:13,088 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 19:11:13,088 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 19:11:13,088 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 19:11:13,089 WARN L249 SmtUtils]: Removed 2 from assertion stack [2023-05-04 19:11:13,100 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-04 19:11:13,123 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-05-04 19:11:13,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 19:11:13,315 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 237 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 30ms.. [2023-05-04 19:11:13,316 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-04 19:11:13,316 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-04 19:11:13,319 INFO L444 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1] [2023-05-04 19:11:13,321 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 19:11:13,321 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 19:11:13,322 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 07:11:13 BasicIcfg [2023-05-04 19:11:13,322 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 19:11:13,323 INFO L158 Benchmark]: Toolchain (without parser) took 857048.26ms. Allocated memory was 247.5MB in the beginning and 1.1GB in the end (delta: 895.5MB). Free memory was 224.1MB in the beginning and 600.0MB in the end (delta: -375.8MB). Peak memory consumption was 717.6MB. Max. memory is 8.0GB. [2023-05-04 19:11:13,323 INFO L158 Benchmark]: CDTParser took 0.08ms. Allocated memory is still 247.5MB. Free memory is still 208.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 19:11:13,323 INFO L158 Benchmark]: CACSL2BoogieTranslator took 244.35ms. Allocated memory was 247.5MB in the beginning and 372.2MB in the end (delta: 124.8MB). Free memory was 224.1MB in the beginning and 344.9MB in the end (delta: -120.8MB). Peak memory consumption was 9.0MB. Max. memory is 8.0GB. [2023-05-04 19:11:13,323 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.34ms. Allocated memory is still 372.2MB. Free memory was 344.9MB in the beginning and 342.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 19:11:13,323 INFO L158 Benchmark]: Boogie Preprocessor took 40.04ms. Allocated memory is still 372.2MB. Free memory was 342.8MB in the beginning and 341.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 19:11:13,323 INFO L158 Benchmark]: RCFGBuilder took 441.44ms. Allocated memory is still 372.2MB. Free memory was 341.0MB in the beginning and 323.2MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. [2023-05-04 19:11:13,324 INFO L158 Benchmark]: TraceAbstraction took 856271.79ms. Allocated memory was 372.2MB in the beginning and 1.1GB in the end (delta: 770.7MB). Free memory was 321.8MB in the beginning and 600.0MB in the end (delta: -278.1MB). Peak memory consumption was 691.8MB. Max. memory is 8.0GB. [2023-05-04 19:11:13,324 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.08ms. Allocated memory is still 247.5MB. Free memory is still 208.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 244.35ms. Allocated memory was 247.5MB in the beginning and 372.2MB in the end (delta: 124.8MB). Free memory was 224.1MB in the beginning and 344.9MB in the end (delta: -120.8MB). Peak memory consumption was 9.0MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 46.34ms. Allocated memory is still 372.2MB. Free memory was 344.9MB in the beginning and 342.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 40.04ms. Allocated memory is still 372.2MB. Free memory was 342.8MB in the beginning and 341.0MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 441.44ms. Allocated memory is still 372.2MB. Free memory was 341.0MB in the beginning and 323.2MB in the end (delta: 17.8MB). Peak memory consumption was 17.8MB. Max. memory is 8.0GB. * TraceAbstraction took 856271.79ms. Allocated memory was 372.2MB in the beginning and 1.1GB in the end (delta: 770.7MB). Free memory was 321.8MB in the beginning and 600.0MB in the end (delta: -278.1MB). Peak memory consumption was 691.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7265, independent: 6820, independent conditional: 558, independent unconditional: 6262, dependent: 445, dependent conditional: 438, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6827, independent: 6820, independent conditional: 558, independent unconditional: 6262, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6827, independent: 6820, independent conditional: 558, independent unconditional: 6262, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6827, independent: 6820, independent conditional: 0, independent unconditional: 6820, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6827, independent: 6820, independent conditional: 0, independent unconditional: 6820, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6827, independent: 6820, independent conditional: 0, independent unconditional: 6820, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4648, independent: 4641, independent conditional: 0, independent unconditional: 4641, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4648, independent: 4640, independent conditional: 0, independent unconditional: 4640, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 63, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6827, independent: 2179, independent conditional: 0, independent unconditional: 2179, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 4648, unknown conditional: 0, unknown unconditional: 4648] , Statistics on independence cache: Total cache size (in pairs): 4648, Positive cache size: 4641, Positive conditional cache size: 0, Positive unconditional cache size: 4641, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 438 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 379, Number of trivial persistent sets: 238, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6269, independent: 6262, independent conditional: 0, independent unconditional: 6262, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 7265, independent: 6820, independent conditional: 558, independent unconditional: 6262, dependent: 445, dependent conditional: 438, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6827, independent: 6820, independent conditional: 558, independent unconditional: 6262, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 6827, independent: 6820, independent conditional: 558, independent unconditional: 6262, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6827, independent: 6820, independent conditional: 0, independent unconditional: 6820, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 6827, independent: 6820, independent conditional: 0, independent unconditional: 6820, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 6827, independent: 6820, independent conditional: 0, independent unconditional: 6820, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 4648, independent: 4641, independent conditional: 0, independent unconditional: 4641, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 4648, independent: 4640, independent conditional: 0, independent unconditional: 4640, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 7, dependent conditional: 0, dependent unconditional: 7, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 63, independent: 33, independent conditional: 0, independent unconditional: 33, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 6827, independent: 2179, independent conditional: 0, independent unconditional: 2179, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 4648, unknown conditional: 0, unknown unconditional: 4648] , Statistics on independence cache: Total cache size (in pairs): 4648, Positive cache size: 4641, Positive conditional cache size: 0, Positive unconditional cache size: 4641, Negative cache size: 7, Negative conditional cache size: 0, Negative unconditional cache size: 7, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 438 - TimeoutResultAtElement [Line: 97]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 237 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 30ms.. - TimeoutResultAtElement [Line: 92]: 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 237 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 30ms.. - TimeoutResultAtElement [Line: 91]: 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 237 with TraceHistMax 5,while TraceCheckSpWp was constructing backward predicates,while SimplifyDDAWithTimeout was simplifying term of DAG size 5 for 30ms.. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 287 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 856.1s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.4s, 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: 50, 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: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 1088 NumberOfCodeBlocks, 1088 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1309 ConstructedInterpolants, 35 QuantifiedInterpolants, 6032 SizeOfPredicates, 28 NumberOfNonLiveVariables, 413 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 195/416 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