/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 LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.orders-218013a [2023-05-04 20:51:44,149 INFO L177 SettingsManager]: Resetting all preferences to default values... [2023-05-04 20:51:44,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2023-05-04 20:51:44,185 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2023-05-04 20:51:44,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2023-05-04 20:51:44,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2023-05-04 20:51:44,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2023-05-04 20:51:44,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2023-05-04 20:51:44,207 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2023-05-04 20:51:44,208 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2023-05-04 20:51:44,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2023-05-04 20:51:44,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2023-05-04 20:51:44,217 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2023-05-04 20:51:44,218 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2023-05-04 20:51:44,219 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2023-05-04 20:51:44,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2023-05-04 20:51:44,224 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2023-05-04 20:51:44,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2023-05-04 20:51:44,225 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2023-05-04 20:51:44,226 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2023-05-04 20:51:44,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2023-05-04 20:51:44,227 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2023-05-04 20:51:44,227 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2023-05-04 20:51:44,227 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2023-05-04 20:51:44,228 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2023-05-04 20:51:44,229 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2023-05-04 20:51:44,230 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2023-05-04 20:51:44,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2023-05-04 20:51:44,230 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2023-05-04 20:51:44,230 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2023-05-04 20:51:44,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2023-05-04 20:51:44,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2023-05-04 20:51:44,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2023-05-04 20:51:44,232 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf [2023-05-04 20:51:44,263 INFO L113 SettingsManager]: Loading preferences was successful [2023-05-04 20:51:44,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2023-05-04 20:51:44,263 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-05-04 20:51:44,263 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-05-04 20:51:44,264 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-05-04 20:51:44,264 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-05-04 20:51:44,265 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-05-04 20:51:44,265 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2023-05-04 20:51:44,265 INFO L138 SettingsManager]: * Use SBE=true [2023-05-04 20:51:44,265 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-05-04 20:51:44,266 INFO L138 SettingsManager]: * sizeof long=4 [2023-05-04 20:51:44,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2023-05-04 20:51:44,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2023-05-04 20:51:44,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2023-05-04 20:51:44,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-05-04 20:51:44,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-05-04 20:51:44,266 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-05-04 20:51:44,266 INFO L138 SettingsManager]: * sizeof long double=12 [2023-05-04 20:51:44,266 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2023-05-04 20:51:44,267 INFO L138 SettingsManager]: * Use constant arrays=true [2023-05-04 20:51:44,267 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-05-04 20:51:44,267 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-05-04 20:51:44,267 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-05-04 20:51:44,267 INFO L138 SettingsManager]: * To the following directory=./dump/ [2023-05-04 20:51:44,267 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2023-05-04 20:51:44,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 20:51:44,267 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-05-04 20:51:44,267 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-05-04 20:51:44,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-05-04 20:51:44,267 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-05-04 20:51:44,268 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2023-05-04 20:51:44,268 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-05-04 20:51:44,268 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2023-05-04 20:51:44,268 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2023-05-04 20:51:44,269 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-05-04 20:51:44,269 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2023-05-04 20:51:44,269 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1 Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP [2023-05-04 20:51:44,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-05-04 20:51:44,481 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-05-04 20:51:44,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-05-04 20:51:44,484 INFO L271 PluginConnector]: Initializing CDTParser... [2023-05-04 20:51:44,484 INFO L275 PluginConnector]: CDTParser initialized [2023-05-04 20:51:44,485 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c [2023-05-04 20:51:44,542 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/891d39db7/69f8a59f99324e0b8b773336987c7682/FLAGbac29c886 [2023-05-04 20:51:44,847 INFO L306 CDTParser]: Found 1 translation units. [2023-05-04 20:51:44,848 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-1.wvr.c [2023-05-04 20:51:44,864 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/891d39db7/69f8a59f99324e0b8b773336987c7682/FLAGbac29c886 [2023-05-04 20:51:45,279 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/891d39db7/69f8a59f99324e0b8b773336987c7682 [2023-05-04 20:51:45,281 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-05-04 20:51:45,283 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2023-05-04 20:51:45,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-05-04 20:51:45,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-05-04 20:51:45,288 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2023-05-04 20:51:45,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 08:51:45" (1/1) ... [2023-05-04 20:51:45,290 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a541294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:51:45, skipping insertion in model container [2023-05-04 20:51:45,290 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 08:51:45" (1/1) ... [2023-05-04 20:51:45,295 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2023-05-04 20:51:45,315 INFO L178 MainTranslator]: Built tables and reachable declarations [2023-05-04 20:51:45,482 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/parallel-misc-1.wvr.c[2755,2768] [2023-05-04 20:51:45,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 20:51:45,508 INFO L203 MainTranslator]: Completed pre-run [2023-05-04 20:51:45,538 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/parallel-misc-1.wvr.c[2755,2768] [2023-05-04 20:51:45,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2023-05-04 20:51:45,552 INFO L208 MainTranslator]: Completed translation [2023-05-04 20:51:45,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:51:45 WrapperNode [2023-05-04 20:51:45,552 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-05-04 20:51:45,555 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-05-04 20:51:45,555 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-05-04 20:51:45,555 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2023-05-04 20:51:45,560 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:51:45" (1/1) ... [2023-05-04 20:51:45,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:51:45" (1/1) ... [2023-05-04 20:51:45,613 INFO L138 Inliner]: procedures = 23, calls = 41, calls flagged for inlining = 17, calls inlined = 31, statements flattened = 277 [2023-05-04 20:51:45,613 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-05-04 20:51:45,613 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-05-04 20:51:45,614 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2023-05-04 20:51:45,614 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2023-05-04 20:51:45,622 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:51:45" (1/1) ... [2023-05-04 20:51:45,623 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:51:45" (1/1) ... [2023-05-04 20:51:45,633 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:51:45" (1/1) ... [2023-05-04 20:51:45,634 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:51:45" (1/1) ... [2023-05-04 20:51:45,640 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:51:45" (1/1) ... [2023-05-04 20:51:45,643 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:51:45" (1/1) ... [2023-05-04 20:51:45,644 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:51:45" (1/1) ... [2023-05-04 20:51:45,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:51:45" (1/1) ... [2023-05-04 20:51:45,660 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-05-04 20:51:45,661 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-05-04 20:51:45,661 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2023-05-04 20:51:45,661 INFO L275 PluginConnector]: RCFGBuilder initialized [2023-05-04 20:51:45,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:51:45" (1/1) ... [2023-05-04 20:51:45,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-05-04 20:51:45,677 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 20:51:45,687 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 20:51:45,706 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 20:51:45,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-05-04 20:51:45,719 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-05-04 20:51:45,719 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-05-04 20:51:45,719 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-05-04 20:51:45,719 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-05-04 20:51:45,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-05-04 20:51:45,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-05-04 20:51:45,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-05-04 20:51:45,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-05-04 20:51:45,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-05-04 20:51:45,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-05-04 20:51:45,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-05-04 20:51:45,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-05-04 20:51:45,721 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 20:51:45,790 INFO L235 CfgBuilder]: Building ICFG [2023-05-04 20:51:45,792 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2023-05-04 20:51:46,165 INFO L276 CfgBuilder]: Performing block encoding [2023-05-04 20:51:46,176 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-05-04 20:51:46,176 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2023-05-04 20:51:46,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 08:51:46 BoogieIcfgContainer [2023-05-04 20:51:46,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-05-04 20:51:46,180 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-05-04 20:51:46,180 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2023-05-04 20:51:46,186 INFO L275 PluginConnector]: TraceAbstraction initialized [2023-05-04 20:51:46,186 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 08:51:45" (1/3) ... [2023-05-04 20:51:46,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f1788f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 08:51:46, skipping insertion in model container [2023-05-04 20:51:46,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 08:51:45" (2/3) ... [2023-05-04 20:51:46,187 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f1788f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 08:51:46, skipping insertion in model container [2023-05-04 20:51:46,187 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 08:51:46" (3/3) ... [2023-05-04 20:51:46,188 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-1.wvr.c [2023-05-04 20:51:46,194 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-05-04 20:51:46,202 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-05-04 20:51:46,202 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-05-04 20:51:46,202 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-05-04 20:51:46,312 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-05-04 20:51:46,358 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 20:51:46,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2023-05-04 20:51:46,359 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 20:51:46,360 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 20:51:46,397 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 20:51:46,431 INFO L162 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2023-05-04 20:51:46,449 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2023-05-04 20:51:46,454 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;@143cd948, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-05-04 20:51:46,455 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2023-05-04 20:51:46,686 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 20:51:46,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 20:51:46,690 INFO L85 PathProgramCache]: Analyzing trace with hash 209542581, now seen corresponding path program 1 times [2023-05-04 20:51:46,695 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 20:51:46,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137258500] [2023-05-04 20:51:46,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 20:51:46,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 20:51:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 20:51:46,974 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 20:51:46,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 20:51:46,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137258500] [2023-05-04 20:51:46,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137258500] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 20:51:46,976 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 20:51:46,976 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-05-04 20:51:46,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891979187] [2023-05-04 20:51:46,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 20:51:46,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-05-04 20:51:46,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 20:51:46,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-05-04 20:51:46,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-05-04 20:51:46,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:51:47,000 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 20:51:47,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 112.0) internal successors, (224), 2 states have internal predecessors, (224), 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 20:51:47,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:51:47,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:51:47,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-05-04 20:51:47,060 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 20:51:47,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 20:51:47,061 INFO L85 PathProgramCache]: Analyzing trace with hash 908639634, now seen corresponding path program 1 times [2023-05-04 20:51:47,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 20:51:47,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011833330] [2023-05-04 20:51:47,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 20:51:47,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 20:51:47,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 20:51:47,640 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 20:51:47,641 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 20:51:47,641 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011833330] [2023-05-04 20:51:47,641 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1011833330] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 20:51:47,641 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 20:51:47,642 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-05-04 20:51:47,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [120530316] [2023-05-04 20:51:47,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 20:51:47,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-05-04 20:51:47,645 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 20:51:47,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-05-04 20:51:47,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-05-04 20:51:47,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:51:47,648 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 20:51:47,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 36.666666666666664) internal successors, (220), 6 states have internal predecessors, (220), 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 20:51:47,648 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:51:47,649 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:51:47,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:51:47,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-05-04 20:51:47,756 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-05-04 20:51:47,756 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 20:51:47,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 20:51:47,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1079230220, now seen corresponding path program 1 times [2023-05-04 20:51:47,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 20:51:47,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146317875] [2023-05-04 20:51:47,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 20:51:47,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 20:51:47,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 20:51:48,539 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 20:51:48,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 20:51:48,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146317875] [2023-05-04 20:51:48,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146317875] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 20:51:48,540 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 20:51:48,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2023-05-04 20:51:48,541 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162476629] [2023-05-04 20:51:48,541 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 20:51:48,542 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2023-05-04 20:51:48,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 20:51:48,545 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2023-05-04 20:51:48,546 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2023-05-04 20:51:48,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:51:48,546 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 20:51:48,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 8.578947368421053) internal successors, (163), 19 states have internal predecessors, (163), 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 20:51:48,547 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:51:48,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2023-05-04 20:51:48,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:51:49,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:51:49,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 20:51:49,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 20:51:49,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-05-04 20:51:49,483 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 20:51:49,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 20:51:49,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1359297522, now seen corresponding path program 1 times [2023-05-04 20:51:49,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 20:51:49,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304109613] [2023-05-04 20:51:49,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 20:51:49,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 20:51:49,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 20:51:49,825 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 20:51:49,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 20:51:49,825 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304109613] [2023-05-04 20:51:49,825 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [304109613] provided 1 perfect and 0 imperfect interpolant sequences [2023-05-04 20:51:49,825 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-05-04 20:51:49,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-05-04 20:51:49,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63070957] [2023-05-04 20:51:49,826 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 20:51:49,826 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-05-04 20:51:49,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 20:51:49,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-05-04 20:51:49,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-05-04 20:51:49,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:51:49,827 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 20:51:49,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 30.666666666666668) internal successors, (276), 9 states have internal predecessors, (276), 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 20:51:49,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:51:49,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 20:51:49,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 20:51:49,827 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:51:49,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:51:49,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 20:51:49,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 20:51:49,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 20:51:49,991 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-05-04 20:51:49,991 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 20:51:49,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 20:51:49,992 INFO L85 PathProgramCache]: Analyzing trace with hash -1388312621, now seen corresponding path program 1 times [2023-05-04 20:51:49,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 20:51:49,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551696856] [2023-05-04 20:51:49,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 20:51:49,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 20:51:50,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 20:51:56,556 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 20:51:56,556 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 20:51:56,556 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551696856] [2023-05-04 20:51:56,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1551696856] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 20:51:56,557 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [509275134] [2023-05-04 20:51:56,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 20:51:56,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 20:51:56,557 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 20:51:56,559 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 20:51:56,586 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 20:51:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 20:51:56,727 INFO L263 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 95 conjunts are in the unsatisfiable core [2023-05-04 20:51:56,738 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 20:51:57,310 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 11 treesize of output 7 [2023-05-04 20:51:57,941 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 20:51:59,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:51:59,236 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2023-05-04 20:52:00,849 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-05-04 20:52:01,317 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 20:52:01,317 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 20:52:02,961 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (+ c_~bag1~0 c_~sum1~0)) (.cse0 (+ c_~A~0.offset (* c_~j~0 4)))) (and (forall ((v_ArrVal_68 (Array Int Int))) (<= (+ c_~bag2~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) c_~A~0.base) .cse0) c_~sum2~0) .cse1)) (forall ((v_ArrVal_68 (Array Int Int))) (<= .cse1 (+ c_~bag2~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) c_~A~0.base) .cse0) c_~sum2~0))))) is different from false [2023-05-04 20:52:03,027 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (+ c_~A~0.offset (* c_~j~0 4))) (.cse0 (+ c_~sum1~0 |c_thread1Thread1of1ForFork0_#t~ret4#1|))) (and (forall ((v_ArrVal_68 (Array Int Int))) (<= .cse0 (+ c_~bag2~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) c_~A~0.base) .cse1) c_~sum2~0))) (forall ((v_ArrVal_68 (Array Int Int))) (<= (+ c_~bag2~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) c_~A~0.base) .cse1) c_~sum2~0) .cse0)))) is different from false [2023-05-04 20:52:03,063 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (+ c_~A~0.offset (* c_~j~0 4))) (.cse0 (+ c_~sum1~0 |c_thread1Thread1of1ForFork0_plus_#res#1|))) (and (forall ((v_ArrVal_68 (Array Int Int))) (<= .cse0 (+ c_~bag2~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) c_~A~0.base) .cse1) c_~sum2~0))) (forall ((v_ArrVal_68 (Array Int Int))) (<= (+ c_~bag2~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) c_~A~0.base) .cse1) c_~sum2~0) .cse0)))) is different from false [2023-05-04 20:52:03,071 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (+ c_~A~0.offset (* c_~j~0 4))) (.cse0 (+ c_~sum1~0 |c_thread1Thread1of1ForFork0_plus_~a#1| |c_thread1Thread1of1ForFork0_plus_~b#1|))) (and (forall ((v_ArrVal_68 (Array Int Int))) (<= .cse0 (+ c_~bag2~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) c_~A~0.base) .cse1) c_~sum2~0))) (forall ((v_ArrVal_68 (Array Int Int))) (<= (+ c_~bag2~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) c_~A~0.base) .cse1) c_~sum2~0) .cse0)))) is different from false [2023-05-04 20:52:03,504 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (+ |c_thread1Thread1of1ForFork0_#t~mem3#1| c_~bag1~0 c_~sum1~0)) (.cse0 (+ c_~A~0.offset (* c_~j~0 4)))) (and (forall ((v_ArrVal_68 (Array Int Int))) (<= (+ c_~bag2~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) c_~A~0.base) .cse0) c_~sum2~0) .cse1)) (forall ((v_ArrVal_68 (Array Int Int))) (<= .cse1 (+ c_~bag2~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) c_~A~0.base) .cse0) c_~sum2~0))))) is different from false [2023-05-04 20:52:03,518 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse1 (+ c_~A~0.offset (* c_~j~0 4))) (.cse0 (+ c_~bag1~0 c_~sum1~0 (select (select |c_#memory_int| c_~A~0.base) (+ c_~A~0.offset (* c_~i~0 4)))))) (and (forall ((v_ArrVal_68 (Array Int Int))) (<= .cse0 (+ c_~bag2~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) c_~A~0.base) .cse1) c_~sum2~0))) (forall ((v_ArrVal_68 (Array Int Int))) (<= (+ c_~bag2~0 (select (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) c_~A~0.base) .cse1) c_~sum2~0) .cse0)))) is different from false [2023-05-04 20:52:03,675 WARN L833 $PredicateComparison]: unable to prove that (let ((.cse2 (+ c_~A~0.offset (* c_~i~0 4))) (.cse1 (+ c_~A~0.offset (* c_~j~0 4)))) (and (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_68 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_67))) (<= (+ c_~bag2~0 (select (select (store .cse0 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) c_~A~0.base) .cse1) c_~sum2~0) (+ (select (select .cse0 c_~A~0.base) .cse2) c_~bag1~0 c_~sum1~0)))) (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_68 (Array Int Int))) (let ((.cse3 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_67))) (<= (+ (select (select .cse3 c_~A~0.base) .cse2) c_~bag1~0 c_~sum1~0) (+ c_~bag2~0 (select (select (store .cse3 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) c_~A~0.base) .cse1) c_~sum2~0)))))) is different from false [2023-05-04 20:52:04,168 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_68 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_67))) (<= (select (select .cse0 c_~A~0.base) c_~A~0.offset) (select (select (store .cse0 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) c_~A~0.base) c_~A~0.offset)))) (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_68 (Array Int Int))) (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_67))) (<= (select (select (store .cse1 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) c_~A~0.base) c_~A~0.offset) (select (select .cse1 c_~A~0.base) c_~A~0.offset))))) is different from false [2023-05-04 20:52:04,399 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_68 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_67))) (<= (select (select (store .cse0 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|) (select (select .cse0 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|)))) (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_68 (Array Int Int))) (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_67))) (<= (select (select .cse1 |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|) (select (select (store .cse1 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) |c_ULTIMATE.start_create_fresh_int_array_#res#1.base|) |c_ULTIMATE.start_create_fresh_int_array_#res#1.offset|))))) is different from false [2023-05-04 20:52:04,406 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_68 (Array Int Int))) (let ((.cse0 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_67))) (<= (select (select .cse0 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) (select (select (store .cse0 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|)))) (forall ((v_ArrVal_67 (Array Int Int)) (v_ArrVal_68 (Array Int Int))) (let ((.cse1 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_67))) (<= (select (select (store .cse1 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_68) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|) (select (select .cse1 |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.base|) |c_ULTIMATE.start_create_fresh_int_array_~arr~0#1.offset|))))) is different from false [2023-05-04 20:52:04,433 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 20:52:04,433 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 44 treesize of output 33 [2023-05-04 20:52:04,437 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 246 treesize of output 214 [2023-05-04 20:52:04,443 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 54 [2023-05-04 20:52:04,445 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 59 [2023-05-04 20:52:04,473 INFO L356 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-05-04 20:52:04,473 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 44 treesize of output 1 [2023-05-04 20:52:04,733 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2023-05-04 20:52:04,734 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [509275134] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 20:52:04,734 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 20:52:04,734 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [68, 44, 43] total 137 [2023-05-04 20:52:04,734 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1407344183] [2023-05-04 20:52:04,734 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 20:52:04,735 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 137 states [2023-05-04 20:52:04,735 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 20:52:04,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2023-05-04 20:52:04,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=454, Invalid=15350, Unknown=238, NotChecked=2590, Total=18632 [2023-05-04 20:52:04,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:52:04,740 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 20:52:04,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 137 states, 137 states have (on average 5.4963503649635035) internal successors, (753), 137 states have internal predecessors, (753), 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 20:52:04,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:52:04,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 20:52:04,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 20:52:04,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 20:52:04,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:52:15,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:52:15,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 20:52:15,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 20:52:15,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 20:52:15,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2023-05-04 20:52:15,329 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 20:52:15,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 20:52:15,525 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 20:52:15,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 20:52:15,526 INFO L85 PathProgramCache]: Analyzing trace with hash 1276481298, now seen corresponding path program 2 times [2023-05-04 20:52:15,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 20:52:15,526 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783264057] [2023-05-04 20:52:15,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 20:52:15,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 20:52:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 20:52:16,228 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 174 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-05-04 20:52:16,228 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 20:52:16,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783264057] [2023-05-04 20:52:16,229 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783264057] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 20:52:16,229 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770819718] [2023-05-04 20:52:16,229 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 20:52:16,229 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 20:52:16,229 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 20:52:16,232 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 20:52:16,233 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 20:52:16,369 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 20:52:16,371 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 20:52:16,375 INFO L263 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-04 20:52:16,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 20:52:16,799 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2023-05-04 20:52:16,799 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 20:52:17,139 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 174 trivial. 0 not checked. [2023-05-04 20:52:17,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [770819718] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 20:52:17,140 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 20:52:17,140 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 13, 13] total 38 [2023-05-04 20:52:17,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797975737] [2023-05-04 20:52:17,140 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 20:52:17,141 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 38 states [2023-05-04 20:52:17,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 20:52:17,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2023-05-04 20:52:17,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=150, Invalid=1256, Unknown=0, NotChecked=0, Total=1406 [2023-05-04 20:52:17,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:52:17,142 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 20:52:17,142 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 38 states, 38 states have (on average 17.105263157894736) internal successors, (650), 38 states have internal predecessors, (650), 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 20:52:17,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:52:17,142 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 20:52:17,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 20:52:17,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 20:52:17,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 63 states. [2023-05-04 20:52:17,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:52:19,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:52:19,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 20:52:19,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 20:52:19,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 20:52:19,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2023-05-04 20:52:19,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-04 20:52:19,805 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2023-05-04 20:52:19,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 20:52:19,995 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 20:52:19,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 20:52:19,996 INFO L85 PathProgramCache]: Analyzing trace with hash -870186663, now seen corresponding path program 1 times [2023-05-04 20:52:19,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 20:52:19,996 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217154061] [2023-05-04 20:52:19,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 20:52:19,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 20:52:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 20:52:20,285 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 113 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-05-04 20:52:20,285 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 20:52:20,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217154061] [2023-05-04 20:52:20,285 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1217154061] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 20:52:20,285 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011190607] [2023-05-04 20:52:20,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 20:52:20,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 20:52:20,286 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 20:52:20,294 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 20:52:20,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-05-04 20:52:20,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 20:52:20,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 14 conjunts are in the unsatisfiable core [2023-05-04 20:52:20,437 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 20:52:20,927 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 67 proven. 15 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-05-04 20:52:20,927 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 20:52:21,339 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2023-05-04 20:52:21,341 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1011190607] provided 1 perfect and 1 imperfect interpolant sequences [2023-05-04 20:52:21,344 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-05-04 20:52:21,344 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [10, 13] total 32 [2023-05-04 20:52:21,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145137478] [2023-05-04 20:52:21,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-05-04 20:52:21,344 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-05-04 20:52:21,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 20:52:21,345 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-05-04 20:52:21,345 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=839, Unknown=0, NotChecked=0, Total=992 [2023-05-04 20:52:21,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:52:21,345 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 20:52:21,346 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 22.846153846153847) internal successors, (297), 13 states have internal predecessors, (297), 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 20:52:21,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:52:21,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 20:52:21,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 20:52:21,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 20:52:21,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 69 states. [2023-05-04 20:52:21,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-04 20:52:21,346 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:52:22,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:52:22,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 20:52:22,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 20:52:22,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 20:52:22,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-05-04 20:52:22,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-04 20:52:22,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 20:52:22,257 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2023-05-04 20:52:22,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 20:52:22,457 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 20:52:22,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 20:52:22,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1028796101, now seen corresponding path program 1 times [2023-05-04 20:52:22,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 20:52:22,458 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194449490] [2023-05-04 20:52:22,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 20:52:22,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 20:52:22,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 20:52:23,118 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 5 proven. 79 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-05-04 20:52:23,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 20:52:23,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194449490] [2023-05-04 20:52:23,119 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194449490] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 20:52:23,119 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [605547525] [2023-05-04 20:52:23,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 20:52:23,119 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 20:52:23,119 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 20:52:23,120 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 20:52:23,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-05-04 20:52:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 20:52:23,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 704 conjuncts, 16 conjunts are in the unsatisfiable core [2023-05-04 20:52:23,273 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 20:52:24,044 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 12 proven. 72 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-05-04 20:52:24,044 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 20:52:24,535 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 27 proven. 57 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-05-04 20:52:24,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [605547525] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 20:52:24,536 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 20:52:24,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 37 [2023-05-04 20:52:24,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138116363] [2023-05-04 20:52:24,536 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 20:52:24,537 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2023-05-04 20:52:24,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 20:52:24,538 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2023-05-04 20:52:24,538 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=216, Invalid=1116, Unknown=0, NotChecked=0, Total=1332 [2023-05-04 20:52:24,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:52:24,538 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 20:52:24,539 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 20.7027027027027) internal successors, (766), 37 states have internal predecessors, (766), 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 20:52:24,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:52:24,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 20:52:24,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 20:52:24,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 20:52:24,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2023-05-04 20:52:24,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-04 20:52:24,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 20:52:24,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:52:25,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:52:25,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 20:52:25,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 20:52:25,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 20:52:25,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-05-04 20:52:25,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-04 20:52:25,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 20:52:25,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-04 20:52:25,232 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-05-04 20:52:25,429 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 20:52:25,429 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 20:52:25,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 20:52:25,429 INFO L85 PathProgramCache]: Analyzing trace with hash 43679803, now seen corresponding path program 2 times [2023-05-04 20:52:25,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 20:52:25,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [784954459] [2023-05-04 20:52:25,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 20:52:25,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 20:52:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 20:52:26,478 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 571 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 20:52:26,479 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 20:52:26,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [784954459] [2023-05-04 20:52:26,479 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [784954459] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 20:52:26,479 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [185012772] [2023-05-04 20:52:26,479 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 20:52:26,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 20:52:26,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 20:52:26,489 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 20:52:26,501 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-05-04 20:52:26,675 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 20:52:26,675 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 20:52:26,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 1048 conjuncts, 24 conjunts are in the unsatisfiable core [2023-05-04 20:52:26,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 20:52:27,524 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 464 proven. 131 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 20:52:27,524 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 20:52:28,233 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 571 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 20:52:28,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [185012772] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 20:52:28,234 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 20:52:28,234 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 55 [2023-05-04 20:52:28,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [333379689] [2023-05-04 20:52:28,234 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 20:52:28,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2023-05-04 20:52:28,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 20:52:28,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2023-05-04 20:52:28,237 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=476, Invalid=2494, Unknown=0, NotChecked=0, Total=2970 [2023-05-04 20:52:28,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:52:28,237 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 20:52:28,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 55 states have (on average 23.272727272727273) internal successors, (1280), 55 states have internal predecessors, (1280), 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 20:52:28,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:52:28,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 20:52:28,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 20:52:28,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 20:52:28,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2023-05-04 20:52:28,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-04 20:52:28,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 20:52:28,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-04 20:52:28,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:52:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:52:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 20:52:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 20:52:28,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 20:52:28,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-05-04 20:52:28,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-04 20:52:28,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 20:52:28,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-04 20:52:28,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-04 20:52:28,773 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-05-04 20:52:28,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 20:52:28,962 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 20:52:28,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 20:52:28,963 INFO L85 PathProgramCache]: Analyzing trace with hash -1475333285, now seen corresponding path program 3 times [2023-05-04 20:52:28,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 20:52:28,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101988254] [2023-05-04 20:52:28,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 20:52:28,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 20:52:29,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 20:52:29,975 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 32 proven. 558 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-05-04 20:52:29,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 20:52:29,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101988254] [2023-05-04 20:52:29,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1101988254] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 20:52:29,975 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1352125462] [2023-05-04 20:52:29,975 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 20:52:29,975 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 20:52:29,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 20:52:29,977 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 20:52:29,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-05-04 20:52:30,240 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2023-05-04 20:52:30,240 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 20:52:30,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 1074 conjuncts, 21 conjunts are in the unsatisfiable core [2023-05-04 20:52:30,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 20:52:31,427 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 7 proven. 564 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-05-04 20:52:31,428 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 20:52:32,003 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 118 proven. 169 refuted. 0 times theorem prover too weak. 359 trivial. 0 not checked. [2023-05-04 20:52:32,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1352125462] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 20:52:32,003 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 20:52:32,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 20, 11] total 50 [2023-05-04 20:52:32,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264305246] [2023-05-04 20:52:32,004 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 20:52:32,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 50 states [2023-05-04 20:52:32,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 20:52:32,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2023-05-04 20:52:32,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=2255, Unknown=0, NotChecked=0, Total=2450 [2023-05-04 20:52:32,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:52:32,006 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 20:52:32,007 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 50 states, 50 states have (on average 27.42) internal successors, (1371), 50 states have internal predecessors, (1371), 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 20:52:32,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:52:32,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 20:52:32,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 20:52:32,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 20:52:32,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2023-05-04 20:52:32,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-04 20:52:32,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 20:52:32,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-04 20:52:32,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-04 20:52:32,007 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:52:34,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:52:34,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 20:52:34,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 20:52:34,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 20:52:34,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-05-04 20:52:34,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-04 20:52:34,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 20:52:34,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-04 20:52:34,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-04 20:52:34,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-04 20:52:34,671 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-05-04 20:52:34,871 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 20:52:34,872 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 20:52:34,872 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 20:52:34,876 INFO L85 PathProgramCache]: Analyzing trace with hash 2030889109, now seen corresponding path program 1 times [2023-05-04 20:52:34,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 20:52:34,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441027310] [2023-05-04 20:52:34,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 20:52:34,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 20:52:35,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 20:53:10,048 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 0 proven. 928 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-05-04 20:53:10,048 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 20:53:10,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441027310] [2023-05-04 20:53:10,048 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441027310] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 20:53:10,048 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5746561] [2023-05-04 20:53:10,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 20:53:10,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 20:53:10,049 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 20:53:10,050 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 20:53:10,051 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-05-04 20:53:10,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 20:53:10,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 1246 conjuncts, 269 conjunts are in the unsatisfiable core [2023-05-04 20:53:10,271 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 20:53:15,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:53:15,340 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2023-05-04 20:53:42,580 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 20:53:42,581 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 5 new quantified variables, introduced 10 case distinctions, treesize of input 75 treesize of output 19 [2023-05-04 20:53:43,157 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 0 proven. 926 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-05-04 20:53:43,157 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 20:54:11,251 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_273 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_273) c_~A~0.base))) (= (let ((.cse1 (* c_~i~0 4))) (+ (select .cse0 (+ c_~A~0.offset .cse1)) (select .cse0 (+ c_~A~0.offset .cse1 4)) (select .cse0 (+ c_~A~0.offset .cse1 8)) c_~bag1~0 c_~sum1~0 (select .cse0 (+ c_~A~0.offset .cse1 12)))) (let ((.cse2 (* c_~j~0 4))) (+ c_~bag2~0 (select .cse0 (+ c_~A~0.offset 16 .cse2)) (select .cse0 (+ c_~A~0.offset 12 .cse2)) (select .cse0 (+ c_~A~0.offset .cse2 4)) c_~sum2~0 (select .cse0 (+ c_~A~0.offset .cse2)) (select .cse0 (+ c_~A~0.offset 8 .cse2))))))) is different from false [2023-05-04 20:54:12,006 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_273 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_273) c_~A~0.base))) (= (let ((.cse1 (* c_~i~0 4))) (+ (select .cse0 (+ c_~A~0.offset .cse1 4)) (select .cse0 (+ c_~A~0.offset .cse1 8)) c_~bag1~0 c_~sum1~0 (select .cse0 (+ c_~A~0.offset .cse1 12)) (select .cse0 (+ c_~A~0.offset 16 .cse1)))) (let ((.cse2 (* c_~j~0 4))) (+ c_~bag2~0 (select .cse0 (+ c_~A~0.offset 16 .cse2)) (select .cse0 (+ c_~A~0.offset 12 .cse2)) (select .cse0 (+ c_~A~0.offset .cse2 4)) c_~sum2~0 (select .cse0 (+ c_~A~0.offset .cse2)) (select .cse0 (+ c_~A~0.offset 8 .cse2))))))) is different from false [2023-05-04 20:54:14,126 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_273 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_273) c_~A~0.base))) (= (let ((.cse1 (* c_~j~0 4))) (+ c_~bag2~0 (select .cse0 (+ c_~A~0.offset 16 .cse1)) (select .cse0 (+ c_~A~0.offset 12 .cse1)) (select .cse0 (+ c_~A~0.offset .cse1 4)) c_~sum2~0 (select .cse0 (+ c_~A~0.offset .cse1)) (select .cse0 (+ c_~A~0.offset 8 .cse1)))) (let ((.cse2 (* c_~i~0 4))) (+ (select .cse0 (+ c_~A~0.offset .cse2 4)) (select .cse0 (+ c_~A~0.offset .cse2 8)) c_~sum1~0 |c_thread1Thread1of1ForFork0_plus_#in~b#1| |c_thread1Thread1of1ForFork0_plus_~a#1| (select .cse0 (+ c_~A~0.offset .cse2 12)) (select .cse0 (+ c_~A~0.offset 16 .cse2))))))) is different from false [2023-05-04 20:54:14,133 WARN L833 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_273 (Array Int Int))) (let ((.cse0 (select (store |c_#memory_int| |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_273) c_~A~0.base))) (= (let ((.cse1 (* c_~i~0 4))) (+ (select .cse0 (+ c_~A~0.offset .cse1 4)) (select .cse0 (+ c_~A~0.offset .cse1 8)) c_~sum1~0 |c_thread1Thread1of1ForFork0_plus_#in~b#1| (select .cse0 (+ c_~A~0.offset .cse1 12)) |c_thread1Thread1of1ForFork0_plus_#in~a#1| (select .cse0 (+ c_~A~0.offset 16 .cse1)))) (let ((.cse2 (* c_~j~0 4))) (+ c_~bag2~0 (select .cse0 (+ c_~A~0.offset 16 .cse2)) (select .cse0 (+ c_~A~0.offset 12 .cse2)) (select .cse0 (+ c_~A~0.offset .cse2 4)) c_~sum2~0 (select .cse0 (+ c_~A~0.offset .cse2)) (select .cse0 (+ c_~A~0.offset 8 .cse2))))))) is different from false [2023-05-04 20:54:15,021 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 20:54:15,022 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 10 new quantified variables, introduced 45 case distinctions, treesize of input 202 treesize of output 446 [2023-05-04 20:54:15,137 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 20:54:15,138 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 83 treesize of output 294 [2023-05-04 20:54:21,238 INFO L134 CoverageAnalysis]: Checked inductivity of 928 backedges. 0 proven. 839 refuted. 0 times theorem prover too weak. 75 trivial. 14 not checked. [2023-05-04 20:54:21,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5746561] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 20:54:21,239 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 20:54:21,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [172, 124, 116] total 388 [2023-05-04 20:54:21,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087564642] [2023-05-04 20:54:21,239 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 20:54:21,242 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 388 states [2023-05-04 20:54:21,242 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 20:54:21,243 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 388 interpolants. [2023-05-04 20:54:21,258 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2041, Invalid=144696, Unknown=351, NotChecked=3068, Total=150156 [2023-05-04 20:54:21,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:54:21,259 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 20:54:21,260 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 388 states, 388 states have (on average 5.427835051546392) internal successors, (2106), 388 states have internal predecessors, (2106), 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 20:54:21,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:54:21,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 20:54:21,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 20:54:21,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 20:54:21,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2023-05-04 20:54:21,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-04 20:54:21,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 20:54:21,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-04 20:54:21,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-04 20:54:21,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-05-04 20:54:21,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:57:02,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:57:02,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 20:57:02,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 20:57:02,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 20:57:02,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-05-04 20:57:02,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-04 20:57:02,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 20:57:02,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-04 20:57:02,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-04 20:57:02,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-04 20:57:02,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 347 states. [2023-05-04 20:57:02,847 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-05-04 20:57:03,045 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-05-04 20:57:03,045 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 20:57:03,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 20:57:03,046 INFO L85 PathProgramCache]: Analyzing trace with hash 1174431798, now seen corresponding path program 2 times [2023-05-04 20:57:03,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 20:57:03,046 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [498154603] [2023-05-04 20:57:03,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 20:57:03,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 20:57:03,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 20:57:05,715 INFO L134 CoverageAnalysis]: Checked inductivity of 4352 backedges. 4211 proven. 111 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-05-04 20:57:05,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 20:57:05,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [498154603] [2023-05-04 20:57:05,715 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [498154603] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 20:57:05,715 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1940566106] [2023-05-04 20:57:05,716 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-05-04 20:57:05,716 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 20:57:05,716 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 20:57:05,718 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 20:57:05,719 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-05-04 20:57:06,056 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-05-04 20:57:06,056 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 20:57:06,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 2117 conjuncts, 40 conjunts are in the unsatisfiable core [2023-05-04 20:57:06,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 20:57:08,635 INFO L134 CoverageAnalysis]: Checked inductivity of 4352 backedges. 3246 proven. 1050 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-05-04 20:57:08,635 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 20:57:10,450 INFO L134 CoverageAnalysis]: Checked inductivity of 4352 backedges. 4185 proven. 111 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-05-04 20:57:10,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1940566106] provided 0 perfect and 2 imperfect interpolant sequences [2023-05-04 20:57:10,450 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-05-04 20:57:10,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39, 39] total 110 [2023-05-04 20:57:10,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025200059] [2023-05-04 20:57:10,451 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-05-04 20:57:10,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 110 states [2023-05-04 20:57:10,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-05-04 20:57:10,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2023-05-04 20:57:10,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1398, Invalid=10592, Unknown=0, NotChecked=0, Total=11990 [2023-05-04 20:57:10,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:57:10,455 INFO L495 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2023-05-04 20:57:10,456 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 110 states, 110 states have (on average 32.24545454545454) internal successors, (3547), 110 states have internal predecessors, (3547), 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 20:57:10,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:57:10,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2023-05-04 20:57:10,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2023-05-04 20:57:10,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2023-05-04 20:57:10,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 71 states. [2023-05-04 20:57:10,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2023-05-04 20:57:10,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2023-05-04 20:57:10,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2023-05-04 20:57:10,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2023-05-04 20:57:10,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2023-05-04 20:57:10,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 347 states. [2023-05-04 20:57:10,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:57:11,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-05-04 20:57:11,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-05-04 20:57:11,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-05-04 20:57:11,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-05-04 20:57:11,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2023-05-04 20:57:11,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2023-05-04 20:57:11,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-05-04 20:57:11,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2023-05-04 20:57:11,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2023-05-04 20:57:11,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2023-05-04 20:57:11,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 347 states. [2023-05-04 20:57:11,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2023-05-04 20:57:11,712 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-05-04 20:57:11,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 20:57:11,905 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2023-05-04 20:57:11,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2023-05-04 20:57:11,906 INFO L85 PathProgramCache]: Analyzing trace with hash -1612872074, now seen corresponding path program 3 times [2023-05-04 20:57:11,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-05-04 20:57:11,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063719154] [2023-05-04 20:57:11,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-05-04 20:57:11,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-05-04 20:57:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-05-04 20:58:08,354 INFO L134 CoverageAnalysis]: Checked inductivity of 4566 backedges. 0 proven. 1675 refuted. 0 times theorem prover too weak. 2891 trivial. 0 not checked. [2023-05-04 20:58:08,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-05-04 20:58:08,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063719154] [2023-05-04 20:58:08,355 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2063719154] provided 0 perfect and 1 imperfect interpolant sequences [2023-05-04 20:58:08,355 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [45514348] [2023-05-04 20:58:08,355 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2023-05-04 20:58:08,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-05-04 20:58:08,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-05-04 20:58:08,357 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-05-04 20:58:08,358 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-05-04 20:58:08,999 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2023-05-04 20:58:09,000 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-05-04 20:58:09,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 2169 conjuncts, 525 conjunts are in the unsatisfiable core [2023-05-04 20:58:09,051 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2023-05-04 20:58:09,801 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 20:58:09,846 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 20:58:09,891 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 20:58:09,931 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 20:58:09,976 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 20:58:10,116 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 20:58:11,107 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 20:58:12,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:58:12,334 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 22 [2023-05-04 20:59:38,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-05-04 20:59:38,920 INFO L356 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-05-04 20:59:38,920 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 19 select indices, 19 select index equivalence classes, 126 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 171 case distinctions, treesize of input 177 treesize of output 641 [2023-05-04 20:59:40,591 INFO L134 CoverageAnalysis]: Checked inductivity of 4566 backedges. 64 proven. 4241 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2023-05-04 20:59:40,592 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2023-05-04 21:04:06,865 WARN L833 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_391 (Array Int Int)) (v_ArrVal_390 (Array Int Int)) (v_subst_1 Int)) (or (not (< (+ 8 v_subst_1) c_~N~0)) (< (+ 9 v_subst_1) c_~N~0) (forall ((v_~j~0_48 Int)) (or (let ((.cse2 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_390))) (let ((.cse0 (select (store .cse2 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_391) c_~A~0.base))) (<= (let ((.cse1 (* 4 v_subst_1))) (+ (select .cse0 (+ c_~A~0.offset .cse1 20)) (select .cse0 (+ c_~A~0.offset .cse1 8)) (select .cse0 (+ c_~A~0.offset .cse1 32)) (select .cse0 (+ c_~A~0.offset .cse1 24)) (select .cse0 (+ c_~A~0.offset .cse1 16)) (select .cse0 (+ c_~A~0.offset .cse1 28)) (select .cse0 (+ c_~A~0.offset .cse1 4)) (select .cse0 (+ c_~A~0.offset .cse1 12)) (select (select .cse2 c_~A~0.base) c_~A~0.offset) (select .cse0 (+ c_~A~0.offset .cse1)))) (let ((.cse3 (* v_~j~0_48 4))) (+ (select .cse0 (+ c_~A~0.offset .cse3 28)) (select .cse0 (+ c_~A~0.offset .cse3 32)) (select .cse0 (+ c_~A~0.offset .cse3 24)) (select .cse0 c_~A~0.offset) (select .cse0 (+ c_~A~0.offset .cse3 12)) (select .cse0 (+ c_~A~0.offset .cse3 4)) (select .cse0 (+ c_~A~0.offset .cse3 20)) (select .cse0 (+ c_~A~0.offset .cse3)) (select .cse0 (+ c_~A~0.offset .cse3 16)) (select .cse0 (+ c_~A~0.offset .cse3 8))))))) (< (+ v_~j~0_48 9) c_~N~0) (not (< (+ v_~j~0_48 8) c_~N~0)) (< v_~j~0_48 1))))) (forall ((v_ArrVal_391 (Array Int Int)) (v_ArrVal_390 (Array Int Int)) (v_subst_2 Int)) (or (forall ((v_~j~0_48 Int)) (or (let ((.cse7 (store |c_#memory_int| |c_ULTIMATE.start_main_~#t1~0#1.base| v_ArrVal_390))) (let ((.cse4 (select (store .cse7 |c_ULTIMATE.start_main_~#t2~0#1.base| v_ArrVal_391) c_~A~0.base))) (<= (let ((.cse5 (* v_~j~0_48 4))) (+ (select .cse4 (+ c_~A~0.offset .cse5 28)) (select .cse4 (+ c_~A~0.offset .cse5 32)) (select .cse4 (+ c_~A~0.offset .cse5 24)) (select .cse4 c_~A~0.offset) (select .cse4 (+ c_~A~0.offset .cse5 12)) (select .cse4 (+ c_~A~0.offset .cse5 4)) (select .cse4 (+ c_~A~0.offset .cse5 20)) (select .cse4 (+ c_~A~0.offset .cse5)) (select .cse4 (+ c_~A~0.offset .cse5 16)) (select .cse4 (+ c_~A~0.offset .cse5 8)))) (let ((.cse6 (* 4 v_subst_2))) (+ (select .cse4 (+ c_~A~0.offset .cse6 20)) (select .cse4 (+ c_~A~0.offset 16 .cse6)) (select .cse4 (+ c_~A~0.offset .cse6 28)) (select .cse4 (+ c_~A~0.offset 32 .cse6)) (select .cse4 (+ c_~A~0.offset .cse6 24)) (select .cse4 (+ c_~A~0.offset .cse6 12)) (select .cse4 (+ c_~A~0.offset .cse6)) (select .cse4 (+ c_~A~0.offset 8 .cse6)) (select .cse4 (+ c_~A~0.offset .cse6 4)) (select (select .cse7 c_~A~0.base) c_~A~0.offset)))))) (< (+ v_~j~0_48 9) c_~N~0) (not (< (+ v_~j~0_48 8) c_~N~0)) (< v_~j~0_48 1))) (not (< (+ 8 v_subst_2) c_~N~0)) (< (+ 9 v_subst_2) c_~N~0)))) is different from false [2023-05-04 21:05:36,392 WARN L233 SmtUtils]: Spent 8.10s on a formula simplification that was a NOOP. DAG size: 114 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) Received shutdown request... [2023-05-04 21:05:49,606 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-05-04 21:05:49,606 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 21:05:49,606 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 21:05:50,667 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2023-05-04 21:05:50,668 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2023-05-04 21:05:50,750 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2023-05-04 21:05:50,750 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-05-04 21:05:50,751 WARN L619 AbstractCegarLoop]: Verification canceled: while PartialOrderCegarLoop was analyzing trace of length 1362 with TraceHistMax 10,while TraceCheckSpWp was constructing backward predicates,while executing Executor. [2023-05-04 21:05:50,752 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2023-05-04 21:05:50,752 INFO L805 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2023-05-04 21:05:50,757 INFO L444 BasicCegarLoop]: Path program histogram: [3, 3, 2, 1, 1, 1, 1, 1] [2023-05-04 21:05:50,759 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-05-04 21:05:50,760 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-05-04 21:05:50,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 09:05:50 BasicIcfg [2023-05-04 21:05:50,762 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-05-04 21:05:50,762 INFO L158 Benchmark]: Toolchain (without parser) took 845479.52ms. Allocated memory was 182.5MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 125.4MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2023-05-04 21:05:50,762 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 182.5MB. Free memory is still 142.6MB. There was no memory consumed. Max. memory is 8.0GB. [2023-05-04 21:05:50,763 INFO L158 Benchmark]: CACSL2BoogieTranslator took 267.17ms. Allocated memory is still 182.5MB. Free memory was 125.2MB in the beginning and 155.1MB in the end (delta: -29.9MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2023-05-04 21:05:50,765 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.86ms. Allocated memory is still 182.5MB. Free memory was 155.0MB in the beginning and 152.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2023-05-04 21:05:50,766 INFO L158 Benchmark]: Boogie Preprocessor took 47.06ms. Allocated memory is still 182.5MB. Free memory was 152.2MB in the beginning and 150.4MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2023-05-04 21:05:50,766 INFO L158 Benchmark]: RCFGBuilder took 517.29ms. Allocated memory is still 182.5MB. Free memory was 150.4MB in the beginning and 125.0MB in the end (delta: 25.4MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. [2023-05-04 21:05:50,766 INFO L158 Benchmark]: TraceAbstraction took 844581.95ms. Allocated memory was 182.5MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 123.9MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. [2023-05-04 21:05:50,772 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 182.5MB. Free memory is still 142.6MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 267.17ms. Allocated memory is still 182.5MB. Free memory was 125.2MB in the beginning and 155.1MB in the end (delta: -29.9MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 57.86ms. Allocated memory is still 182.5MB. Free memory was 155.0MB in the beginning and 152.5MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 47.06ms. Allocated memory is still 182.5MB. Free memory was 152.2MB in the beginning and 150.4MB in the end (delta: 1.8MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 517.29ms. Allocated memory is still 182.5MB. Free memory was 150.4MB in the beginning and 125.0MB in the end (delta: 25.4MB). Peak memory consumption was 26.2MB. Max. memory is 8.0GB. * TraceAbstraction took 844581.95ms. Allocated memory was 182.5MB in the beginning and 2.6GB in the end (delta: 2.4GB). Free memory was 123.9MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 1.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation #1 benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 71570, independent: 65679, independent conditional: 22160, independent unconditional: 43519, dependent: 5891, dependent conditional: 5880, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 65690, independent: 65679, independent conditional: 22160, independent unconditional: 43519, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 65690, independent: 65679, independent conditional: 22160, independent unconditional: 43519, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 65690, independent: 65679, independent conditional: 0, independent unconditional: 65679, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 65690, independent: 65679, independent conditional: 0, independent unconditional: 65679, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 65690, independent: 65679, independent conditional: 0, independent unconditional: 65679, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 39640, independent: 39629, independent conditional: 0, independent unconditional: 39629, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 39640, independent: 39629, independent conditional: 0, independent unconditional: 39629, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 11, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 65, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 65, dependent conditional: 0, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 65690, independent: 26050, independent conditional: 0, independent unconditional: 26050, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 39640, unknown conditional: 0, unknown unconditional: 39640] , Statistics on independence cache: Total cache size (in pairs): 39640, Positive cache size: 39629, Positive conditional cache size: 0, Positive unconditional cache size: 39629, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, 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: 5880 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.3s, Number of persistent set computation: 1136, Number of trivial persistent sets: 638, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 43530, independent: 43519, independent conditional: 0, independent unconditional: 43519, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 71570, independent: 65679, independent conditional: 22160, independent unconditional: 43519, dependent: 5891, dependent conditional: 5880, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 65690, independent: 65679, independent conditional: 22160, independent unconditional: 43519, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 65690, independent: 65679, independent conditional: 22160, independent unconditional: 43519, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 65690, independent: 65679, independent conditional: 0, independent unconditional: 65679, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 65690, independent: 65679, independent conditional: 0, independent unconditional: 65679, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 65690, independent: 65679, independent conditional: 0, independent unconditional: 65679, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 39640, independent: 39629, independent conditional: 0, independent unconditional: 39629, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 39640, independent: 39629, independent conditional: 0, independent unconditional: 39629, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 11, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 11, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 11, dependent conditional: 0, dependent unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 65, independent: 0, independent conditional: 0, independent unconditional: 0, dependent: 65, dependent conditional: 0, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 65690, independent: 26050, independent conditional: 0, independent unconditional: 26050, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 39640, unknown conditional: 0, unknown unconditional: 39640] , Statistics on independence cache: Total cache size (in pairs): 39640, Positive cache size: 39629, Positive conditional cache size: 0, Positive unconditional cache size: 39629, Negative cache size: 11, Negative conditional cache size: 0, Negative unconditional cache size: 11, 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: 5880 - TimeoutResultAtElement [Line: 103]: Timeout (TraceAbstraction) Unable to prove that call to reach_error is unreachable Cancelled while PartialOrderCegarLoop was analyzing trace of length 1362 with TraceHistMax 10,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - TimeoutResultAtElement [Line: 98]: 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 1362 with TraceHistMax 10,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - TimeoutResultAtElement [Line: 97]: 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 1362 with TraceHistMax 10,while TraceCheckSpWp was constructing backward predicates,while executing Executor. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 611 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 844.3s, OverallIterations: 13, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 182.2s, 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: 672, 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: 0.3s SsaConstructionTime, 1.7s SatisfiabilityAnalysisTime, 138.6s InterpolantComputationTime, 10539 NumberOfCodeBlocks, 10539 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 15339 ConstructedInterpolants, 114 QuantifiedInterpolants, 202765 SizeOfPredicates, 391 NumberOfNonLiveVariables, 8011 ConjunctsInSsa, 493 ConjunctsInUnsatCore, 28 InterpolantComputations, 5 PerfectInterpolantSequences, 15263/20965 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