/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/weaver/parallel-misc-4.wvr.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-11 03:47:44,333 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-11 03:47:44,336 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-11 03:47:44,381 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-11 03:47:44,381 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-11 03:47:44,382 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-11 03:47:44,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-11 03:47:44,384 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-11 03:47:44,385 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-11 03:47:44,386 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-11 03:47:44,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-11 03:47:44,392 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-11 03:47:44,393 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-11 03:47:44,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-11 03:47:44,398 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-11 03:47:44,400 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-11 03:47:44,400 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-11 03:47:44,401 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-11 03:47:44,402 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-11 03:47:44,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-11 03:47:44,404 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-11 03:47:44,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-11 03:47:44,410 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-11 03:47:44,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-11 03:47:44,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-11 03:47:44,412 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-11 03:47:44,412 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-11 03:47:44,413 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-11 03:47:44,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-11 03:47:44,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-11 03:47:44,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-11 03:47:44,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-11 03:47:44,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-11 03:47:44,415 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-11 03:47:44,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-11 03:47:44,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-11 03:47:44,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-11 03:47:44,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-11 03:47:44,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-11 03:47:44,417 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-11 03:47:44,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-11 03:47:44,420 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf [2022-02-11 03:47:44,448 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-11 03:47:44,449 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-11 03:47:44,449 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-11 03:47:44,449 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-11 03:47:44,450 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-11 03:47:44,450 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-11 03:47:44,450 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-11 03:47:44,451 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-11 03:47:44,451 INFO L138 SettingsManager]: * Use SBE=true [2022-02-11 03:47:44,451 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-11 03:47:44,451 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-11 03:47:44,452 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-11 03:47:44,452 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-11 03:47:44,452 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-11 03:47:44,452 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-11 03:47:44,452 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-11 03:47:44,452 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-11 03:47:44,452 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-11 03:47:44,452 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-11 03:47:44,452 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-11 03:47:44,452 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-11 03:47:44,453 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-11 03:47:44,453 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-11 03:47:44,453 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-11 03:47:44,453 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-11 03:47:44,453 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 03:47:44,453 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-11 03:47:44,453 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-11 03:47:44,453 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-11 03:47:44,453 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-11 03:47:44,454 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-11 03:47:44,454 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-11 03:47:44,454 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-11 03:47:44,454 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-11 03:47:44,454 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-11 03:47:44,454 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2022-02-11 03:47:44,454 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-11 03:47:44,671 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-11 03:47:44,688 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-11 03:47:44,690 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-11 03:47:44,691 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-11 03:47:44,691 INFO L275 PluginConnector]: CDTParser initialized [2022-02-11 03:47:44,692 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/weaver/parallel-misc-4.wvr.c [2022-02-11 03:47:44,751 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7782c65a8/5048bc533e98406ebb0fb2354ecf3710/FLAG9ecb7070d [2022-02-11 03:47:45,086 INFO L306 CDTParser]: Found 1 translation units. [2022-02-11 03:47:45,087 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/weaver/parallel-misc-4.wvr.c [2022-02-11 03:47:45,092 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7782c65a8/5048bc533e98406ebb0fb2354ecf3710/FLAG9ecb7070d [2022-02-11 03:47:45,106 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7782c65a8/5048bc533e98406ebb0fb2354ecf3710 [2022-02-11 03:47:45,108 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-11 03:47:45,109 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-11 03:47:45,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-11 03:47:45,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-11 03:47:45,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-11 03:47:45,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 03:47:45" (1/1) ... [2022-02-11 03:47:45,115 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17fb5be8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:47:45, skipping insertion in model container [2022-02-11 03:47:45,115 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.02 03:47:45" (1/1) ... [2022-02-11 03:47:45,120 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-11 03:47:45,135 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-11 03:47:45,283 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-4.wvr.c[2950,2963] [2022-02-11 03:47:45,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 03:47:45,290 INFO L203 MainTranslator]: Completed pre-run [2022-02-11 03:47:45,313 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-4.wvr.c[2950,2963] [2022-02-11 03:47:45,314 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-11 03:47:45,323 INFO L208 MainTranslator]: Completed translation [2022-02-11 03:47:45,323 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:47:45 WrapperNode [2022-02-11 03:47:45,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-11 03:47:45,324 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-11 03:47:45,324 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-11 03:47:45,324 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-11 03:47:45,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:47:45" (1/1) ... [2022-02-11 03:47:45,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:47:45" (1/1) ... [2022-02-11 03:47:45,348 INFO L137 Inliner]: procedures = 22, calls = 43, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2022-02-11 03:47:45,348 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-11 03:47:45,349 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-11 03:47:45,349 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-11 03:47:45,349 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-11 03:47:45,354 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:47:45" (1/1) ... [2022-02-11 03:47:45,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:47:45" (1/1) ... [2022-02-11 03:47:45,356 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:47:45" (1/1) ... [2022-02-11 03:47:45,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:47:45" (1/1) ... [2022-02-11 03:47:45,359 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:47:45" (1/1) ... [2022-02-11 03:47:45,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:47:45" (1/1) ... [2022-02-11 03:47:45,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:47:45" (1/1) ... [2022-02-11 03:47:45,363 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-11 03:47:45,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-11 03:47:45,364 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-11 03:47:45,364 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-11 03:47:45,365 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:47:45" (1/1) ... [2022-02-11 03:47:45,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 03:47:45,380 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:47:45,389 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-11 03:47:45,416 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-11 03:47:45,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-11 03:47:45,441 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-02-11 03:47:45,441 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-02-11 03:47:45,441 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-02-11 03:47:45,441 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-02-11 03:47:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-02-11 03:47:45,443 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-02-11 03:47:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-11 03:47:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-11 03:47:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-11 03:47:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-02-11 03:47:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-02-11 03:47:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-11 03:47:45,443 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-11 03:47:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-11 03:47:45,443 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-11 03:47:45,444 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-11 03:47:45,501 INFO L234 CfgBuilder]: Building ICFG [2022-02-11 03:47:45,503 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-11 03:47:45,651 INFO L275 CfgBuilder]: Performing block encoding [2022-02-11 03:47:45,666 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-11 03:47:45,666 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-02-11 03:47:45,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 03:47:45 BoogieIcfgContainer [2022-02-11 03:47:45,668 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-11 03:47:45,669 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-11 03:47:45,669 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-11 03:47:45,671 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-11 03:47:45,671 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.02 03:47:45" (1/3) ... [2022-02-11 03:47:45,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e2d8e1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 03:47:45, skipping insertion in model container [2022-02-11 03:47:45,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.02 03:47:45" (2/3) ... [2022-02-11 03:47:45,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e2d8e1d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 03:47:45, skipping insertion in model container [2022-02-11 03:47:45,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 03:47:45" (3/3) ... [2022-02-11 03:47:45,673 INFO L112 eAbstractionObserver]: Analyzing ICFG parallel-misc-4.wvr.c [2022-02-11 03:47:45,676 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-11 03:47:45,676 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-11 03:47:45,676 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-11 03:47:45,676 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-11 03:47:45,713 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~lv_assert~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,714 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~lv_assert~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,714 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~lv_assert~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,714 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~lv_assert~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,714 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~lv_assert~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,715 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~lv_assert~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,715 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,715 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,715 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,715 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,716 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,716 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,716 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,716 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,716 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~lv_assert~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,717 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~lv_assert~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,717 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork2_~lv_assert~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,717 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork2_~lv_assert~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,717 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork2_~lv_assert~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,717 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork2_~lv_assert~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,718 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork2_~lv_assert~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,718 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork2_~lv_assert~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,718 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,718 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,718 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,718 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,719 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork2_~lv_assert~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,719 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork2_~lv_assert~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,720 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,720 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,720 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,720 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,722 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,723 WARN L322 ript$VariableManager]: TermVariable |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,723 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,723 WARN L322 ript$VariableManager]: TermVariable thread1Thread1of1ForFork1_~lv_assert~0 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,723 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,724 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#t~post2| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,724 WARN L322 ript$VariableManager]: TermVariable |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,724 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,724 WARN L322 ript$VariableManager]: TermVariable thread2Thread1of1ForFork2_~lv_assert~1 not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,724 WARN L322 ript$VariableManager]: TermVariable |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-11 03:47:45,730 INFO L148 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-02-11 03:47:45,765 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 03:47:45,765 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:47:45,767 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) [2022-02-11 03:47:45,796 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 [2022-02-11 03:47:45,831 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-11 03:47:45,839 INFO L339 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, mLoopAccelerationTechnique=FAST_UPR [2022-02-11 03:47:45,839 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-02-11 03:47:46,046 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:47:46,052 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:47:46,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1440198222, now seen corresponding path program 1 times [2022-02-11 03:47:46,059 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:47:46,059 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [867288785] [2022-02-11 03:47:46,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:47:46,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:47:46,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:47:46,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:47:46,247 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:47:46,247 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [867288785] [2022-02-11 03:47:46,248 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [867288785] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:47:46,248 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 03:47:46,248 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-11 03:47:46,249 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815468988] [2022-02-11 03:47:46,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:47:46,254 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-11 03:47:46,254 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:47:46,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-11 03:47:46,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-11 03:47:46,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:46,278 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:47:46,279 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 03:47:46,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:46,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:46,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-11 03:47:46,318 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:47:46,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:47:46,318 INFO L85 PathProgramCache]: Analyzing trace with hash 68231129, now seen corresponding path program 1 times [2022-02-11 03:47:46,319 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:47:46,319 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1658461553] [2022-02-11 03:47:46,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:47:46,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:47:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:47:46,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:47:46,578 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:47:46,579 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1658461553] [2022-02-11 03:47:46,579 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1658461553] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:47:46,579 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 03:47:46,579 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-11 03:47:46,579 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512939585] [2022-02-11 03:47:46,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:47:46,580 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-11 03:47:46,580 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:47:46,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-11 03:47:46,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-11 03:47:46,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:46,584 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:47:46,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 12.166666666666666) internal successors, (73), 6 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 03:47:46,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:46,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:46,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:46,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:47:46,737 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-11 03:47:46,737 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:47:46,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:47:46,738 INFO L85 PathProgramCache]: Analyzing trace with hash 78814822, now seen corresponding path program 1 times [2022-02-11 03:47:46,738 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:47:46,738 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702883094] [2022-02-11 03:47:46,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:47:46,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:47:46,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:47:46,916 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:47:46,916 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:47:46,916 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702883094] [2022-02-11 03:47:46,917 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702883094] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:47:46,917 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 03:47:46,917 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-11 03:47:46,917 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1386904275] [2022-02-11 03:47:46,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:47:46,918 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-11 03:47:46,918 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:47:46,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-11 03:47:46,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-11 03:47:46,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:46,919 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:47:46,920 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 03:47:46,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:46,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:47:46,920 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:47,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:47,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:47:47,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:47:47,053 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-11 03:47:47,053 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:47:47,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:47:47,054 INFO L85 PathProgramCache]: Analyzing trace with hash 206386583, now seen corresponding path program 1 times [2022-02-11 03:47:47,054 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:47:47,054 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1932305208] [2022-02-11 03:47:47,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:47:47,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:47:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:47:47,294 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:47:47,294 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:47:47,294 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1932305208] [2022-02-11 03:47:47,294 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1932305208] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:47:47,295 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [652280984] [2022-02-11 03:47:47,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:47:47,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:47:47,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:47:47,312 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) [2022-02-11 03:47:47,314 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-11 03:47:47,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:47:47,394 INFO L263 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 12 conjunts are in the unsatisfiable core [2022-02-11 03:47:47,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:47:47,683 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:47:47,683 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 03:47:47,877 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:47:47,878 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [652280984] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 03:47:47,878 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 03:47:47,878 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 19 [2022-02-11 03:47:47,878 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1283145054] [2022-02-11 03:47:47,878 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 03:47:47,878 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-02-11 03:47:47,879 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:47:47,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-02-11 03:47:47,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2022-02-11 03:47:47,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:47,879 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:47:47,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 7.578947368421052) internal successors, (144), 19 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 03:47:47,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:47,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:47:47,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:47:47,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:48,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:48,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:47:48,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:47:48,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-11 03:47:48,269 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-02-11 03:47:48,468 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2022-02-11 03:47:48,469 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:47:48,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:47:48,469 INFO L85 PathProgramCache]: Analyzing trace with hash 2131220209, now seen corresponding path program 1 times [2022-02-11 03:47:48,469 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:47:48,469 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1435085078] [2022-02-11 03:47:48,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:47:48,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:47:48,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:47:48,574 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-02-11 03:47:48,575 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:47:48,575 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1435085078] [2022-02-11 03:47:48,575 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1435085078] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:47:48,575 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 03:47:48,575 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-11 03:47:48,575 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [258167766] [2022-02-11 03:47:48,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:47:48,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-11 03:47:48,576 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:47:48,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-11 03:47:48,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-11 03:47:48,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:48,577 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:47:48,577 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 22.5) internal successors, (90), 4 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 03:47:48,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:48,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:47:48,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:47:48,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-11 03:47:48,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:48,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:48,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:47:48,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:47:48,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2022-02-11 03:47:48,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:47:48,637 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-11 03:47:48,639 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:47:48,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:47:48,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1665979689, now seen corresponding path program 1 times [2022-02-11 03:47:48,640 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:47:48,640 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484132097] [2022-02-11 03:47:48,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:47:48,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:47:48,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:47:48,797 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 13 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-02-11 03:47:48,797 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:47:48,797 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484132097] [2022-02-11 03:47:48,797 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484132097] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:47:48,797 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1298645850] [2022-02-11 03:47:48,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:47:48,798 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:47:48,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:47:48,799 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) [2022-02-11 03:47:48,873 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-11 03:47:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:47:48,908 INFO L263 TraceCheckSpWp]: Trace formula consists of 243 conjuncts, 20 conjunts are in the unsatisfiable core [2022-02-11 03:47:48,910 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:47:49,234 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 20 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-11 03:47:49,235 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 03:47:49,483 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 18 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-02-11 03:47:49,483 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1298645850] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 03:47:49,484 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 03:47:49,484 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13, 12] total 22 [2022-02-11 03:47:49,484 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523149039] [2022-02-11 03:47:49,484 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 03:47:49,484 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-02-11 03:47:49,484 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:47:49,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-02-11 03:47:49,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=98, Invalid=364, Unknown=0, NotChecked=0, Total=462 [2022-02-11 03:47:49,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:49,485 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:47:49,485 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.590909090909091) internal successors, (145), 22 states have internal predecessors, (145), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 03:47:49,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:49,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:47:49,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:47:49,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2022-02-11 03:47:49,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:47:49,486 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:50,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:50,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:47:50,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:47:50,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-11 03:47:50,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:47:50,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-11 03:47:50,491 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-11 03:47:50,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:47:50,671 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:47:50,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:47:50,672 INFO L85 PathProgramCache]: Analyzing trace with hash -957113705, now seen corresponding path program 2 times [2022-02-11 03:47:50,672 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:47:50,672 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883136648] [2022-02-11 03:47:50,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:47:50,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:47:50,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:47:50,731 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-02-11 03:47:50,732 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:47:50,732 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883136648] [2022-02-11 03:47:50,732 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883136648] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:47:50,732 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 03:47:50,732 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-11 03:47:50,732 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [465816249] [2022-02-11 03:47:50,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:47:50,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-11 03:47:50,733 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:47:50,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-11 03:47:50,733 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-11 03:47:50,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:50,733 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:47:50,734 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.75) internal successors, (99), 4 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 03:47:50,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:50,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:47:50,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:47:50,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-11 03:47:50,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:47:50,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-11 03:47:50,734 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:50,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:50,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:47:50,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:47:50,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2022-02-11 03:47:50,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:47:50,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2022-02-11 03:47:50,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:47:50,784 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-11 03:47:50,784 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:47:50,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:47:50,785 INFO L85 PathProgramCache]: Analyzing trace with hash 1892291330, now seen corresponding path program 3 times [2022-02-11 03:47:50,785 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:47:50,785 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213057829] [2022-02-11 03:47:50,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:47:50,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:47:50,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:47:50,904 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-02-11 03:47:50,904 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:47:50,904 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213057829] [2022-02-11 03:47:50,904 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213057829] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:47:50,904 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [609218889] [2022-02-11 03:47:50,904 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-02-11 03:47:50,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:47:50,905 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:47:50,920 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) [2022-02-11 03:47:50,922 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-11 03:47:51,012 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2022-02-11 03:47:51,012 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-11 03:47:51,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 7 conjunts are in the unsatisfiable core [2022-02-11 03:47:51,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:47:51,290 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-02-11 03:47:51,290 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 03:47:51,567 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2022-02-11 03:47:51,567 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [609218889] provided 1 perfect and 1 imperfect interpolant sequences [2022-02-11 03:47:51,567 INFO L191 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-02-11 03:47:51,567 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [7, 6] total 14 [2022-02-11 03:47:51,567 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315931157] [2022-02-11 03:47:51,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:47:51,568 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-11 03:47:51,568 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:47:51,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-11 03:47:51,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2022-02-11 03:47:51,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:51,568 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:47:51,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 15.333333333333334) internal successors, (92), 6 states have internal predecessors, (92), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 03:47:51,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:51,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:47:51,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:47:51,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2022-02-11 03:47:51,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:47:51,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2022-02-11 03:47:51,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:47:51,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:52,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:52,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:47:52,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:47:52,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-11 03:47:52,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:47:52,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-02-11 03:47:52,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:47:52,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:47:52,052 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-11 03:47:52,249 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:47:52,251 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:47:52,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:47:52,251 INFO L85 PathProgramCache]: Analyzing trace with hash 1864985356, now seen corresponding path program 4 times [2022-02-11 03:47:52,252 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:47:52,252 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996310777] [2022-02-11 03:47:52,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:47:52,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:47:52,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:47:52,301 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-02-11 03:47:52,302 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:47:52,302 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996310777] [2022-02-11 03:47:52,302 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996310777] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:47:52,302 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 03:47:52,302 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-02-11 03:47:52,302 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314421044] [2022-02-11 03:47:52,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:47:52,303 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-02-11 03:47:52,303 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:47:52,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-02-11 03:47:52,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-02-11 03:47:52,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:52,303 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:47:52,303 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 03:47:52,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:52,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:47:52,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:47:52,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-11 03:47:52,303 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:47:52,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-02-11 03:47:52,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:47:52,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:47:52,304 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:47:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:47:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2022-02-11 03:47:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:47:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2022-02-11 03:47:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:47:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:47:52,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:47:52,345 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-11 03:47:52,345 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:47:52,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:47:52,345 INFO L85 PathProgramCache]: Analyzing trace with hash -122308143, now seen corresponding path program 5 times [2022-02-11 03:47:52,345 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:47:52,345 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218100059] [2022-02-11 03:47:52,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:47:52,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:47:52,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:47:52,395 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2022-02-11 03:47:52,395 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:47:52,395 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218100059] [2022-02-11 03:47:52,395 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218100059] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:47:52,395 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 03:47:52,395 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-11 03:47:52,395 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399503174] [2022-02-11 03:47:52,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:47:52,396 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-11 03:47:52,396 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:47:52,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-11 03:47:52,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-11 03:47:52,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:52,396 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:47:52,396 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.8) internal successors, (89), 5 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 03:47:52,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:52,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:47:52,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:47:52,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2022-02-11 03:47:52,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:47:52,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2022-02-11 03:47:52,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:47:52,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:47:52,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:47:52,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:52,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:52,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:47:52,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:47:52,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-11 03:47:52,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:47:52,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-02-11 03:47:52,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:47:52,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:47:52,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:47:52,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 03:47:52,726 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-11 03:47:52,726 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:47:52,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:47:52,727 INFO L85 PathProgramCache]: Analyzing trace with hash -914335646, now seen corresponding path program 1 times [2022-02-11 03:47:52,727 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:47:52,727 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2111878527] [2022-02-11 03:47:52,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:47:52,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:47:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:47:52,772 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:47:52,773 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:47:52,773 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2111878527] [2022-02-11 03:47:52,773 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2111878527] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-11 03:47:52,773 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1213028663] [2022-02-11 03:47:52,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:47:52,773 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-11 03:47:52,773 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 03:47:52,779 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) [2022-02-11 03:47:52,780 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-11 03:47:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:47:52,835 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 6 conjunts are in the unsatisfiable core [2022-02-11 03:47:52,836 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-11 03:47:52,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:47:52,932 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-11 03:47:53,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 03:47:53,057 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1213028663] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-11 03:47:53,057 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-11 03:47:53,057 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2022-02-11 03:47:53,057 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1789057095] [2022-02-11 03:47:53,057 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-11 03:47:53,057 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-11 03:47:53,057 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:47:53,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-11 03:47:53,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-02-11 03:47:53,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:53,058 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:47:53,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 03:47:53,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:53,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:47:53,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:47:53,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-11 03:47:53,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:47:53,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-02-11 03:47:53,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:47:53,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:47:53,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:47:53,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 03:47:53,058 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:53,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:53,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:47:53,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:47:53,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2022-02-11 03:47:53,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:47:53,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2022-02-11 03:47:53,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:47:53,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:47:53,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:47:53,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 03:47:53,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 03:47:53,121 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-02-11 03:47:53,321 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-02-11 03:47:53,321 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION] === [2022-02-11 03:47:53,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 03:47:53,322 INFO L85 PathProgramCache]: Analyzing trace with hash -1056656308, now seen corresponding path program 1 times [2022-02-11 03:47:53,322 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 03:47:53,322 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [680657746] [2022-02-11 03:47:53,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 03:47:53,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 03:47:53,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 03:47:53,362 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2022-02-11 03:47:53,363 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 03:47:53,363 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [680657746] [2022-02-11 03:47:53,363 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [680657746] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 03:47:53,363 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 03:47:53,363 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-11 03:47:53,363 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492016907] [2022-02-11 03:47:53,363 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 03:47:53,363 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-11 03:47:53,363 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 03:47:53,364 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-11 03:47:53,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-02-11 03:47:53,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:53,364 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 03:47:53,364 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.4) internal successors, (82), 5 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-11 03:47:53,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:53,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:47:53,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:47:53,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 33 states. [2022-02-11 03:47:53,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:47:53,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2022-02-11 03:47:53,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:47:53,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:47:53,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:47:53,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 03:47:53,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2022-02-11 03:47:53,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:53,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 03:47:53,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:47:53,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-11 03:47:53,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2022-02-11 03:47:53,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:47:53,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2022-02-11 03:47:53,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:47:53,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-11 03:47:53,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-02-11 03:47:53,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 03:47:53,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 03:47:53,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-11 03:47:53,563 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2022-02-11 03:47:53,563 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2022-02-11 03:47:53,563 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2022-02-11 03:47:53,564 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATION (0 of 4 remaining) [2022-02-11 03:47:53,564 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-11 03:47:53,568 INFO L733 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1, 1, 1] [2022-02-11 03:47:53,569 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-11 03:47:53,569 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-11 03:47:53,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.02 03:47:53 BasicIcfg [2022-02-11 03:47:53,571 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-11 03:47:53,571 INFO L158 Benchmark]: Toolchain (without parser) took 8462.02ms. Allocated memory was 194.0MB in the beginning and 311.4MB in the end (delta: 117.4MB). Free memory was 144.2MB in the beginning and 113.0MB in the end (delta: 31.2MB). Peak memory consumption was 149.3MB. Max. memory is 8.0GB. [2022-02-11 03:47:53,571 INFO L158 Benchmark]: CDTParser took 0.11ms. Allocated memory is still 194.0MB. Free memory was 160.6MB in the beginning and 160.5MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-11 03:47:53,572 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.52ms. Allocated memory is still 194.0MB. Free memory was 144.0MB in the beginning and 169.6MB in the end (delta: -25.6MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-11 03:47:53,572 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.89ms. Allocated memory is still 194.0MB. Free memory was 169.6MB in the beginning and 167.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-11 03:47:53,572 INFO L158 Benchmark]: Boogie Preprocessor took 14.68ms. Allocated memory is still 194.0MB. Free memory was 167.9MB in the beginning and 166.4MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-11 03:47:53,572 INFO L158 Benchmark]: RCFGBuilder took 304.13ms. Allocated memory is still 194.0MB. Free memory was 166.4MB in the beginning and 153.3MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. [2022-02-11 03:47:53,572 INFO L158 Benchmark]: TraceAbstraction took 7902.08ms. Allocated memory was 194.0MB in the beginning and 311.4MB in the end (delta: 117.4MB). Free memory was 152.8MB in the beginning and 113.0MB in the end (delta: 39.8MB). Peak memory consumption was 158.8MB. Max. memory is 8.0GB. [2022-02-11 03:47:53,573 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11ms. Allocated memory is still 194.0MB. Free memory was 160.6MB in the beginning and 160.5MB in the end (delta: 146.9kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 212.52ms. Allocated memory is still 194.0MB. Free memory was 144.0MB in the beginning and 169.6MB in the end (delta: -25.6MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 23.89ms. Allocated memory is still 194.0MB. Free memory was 169.6MB in the beginning and 167.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 14.68ms. Allocated memory is still 194.0MB. Free memory was 167.9MB in the beginning and 166.4MB in the end (delta: 1.5MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 304.13ms. Allocated memory is still 194.0MB. Free memory was 166.4MB in the beginning and 153.3MB in the end (delta: 13.1MB). Peak memory consumption was 13.6MB. Max. memory is 8.0GB. * TraceAbstraction took 7902.08ms. Allocated memory was 194.0MB in the beginning and 311.4MB in the end (delta: 117.4MB). Free memory was 152.8MB in the beginning and 113.0MB in the end (delta: 39.8MB). Peak memory consumption was 158.8MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 23691, positive: 20209, positive conditional: 18427, positive unconditional: 1782, negative: 3482, negative conditional: 3462, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20767, positive: 20209, positive conditional: 18427, positive unconditional: 1782, negative: 558, negative conditional: 538, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 20767, positive: 20209, positive conditional: 18427, positive unconditional: 1782, negative: 558, negative conditional: 538, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23772, positive: 20209, positive conditional: 18273, positive unconditional: 1936, negative: 3563, negative conditional: 3005, negative unconditional: 558, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 23772, positive: 20209, positive conditional: 6309, positive unconditional: 13900, negative: 3563, negative conditional: 1671, negative unconditional: 1892, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23772, positive: 20209, positive conditional: 6309, positive unconditional: 13900, negative: 3563, negative conditional: 1671, negative unconditional: 1892, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1581, positive: 1458, positive conditional: 31, positive unconditional: 1427, negative: 123, negative conditional: 103, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1581, positive: 1418, positive conditional: 0, positive unconditional: 1418, negative: 163, negative conditional: 0, negative unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 163, positive: 40, positive conditional: 31, positive unconditional: 9, negative: 123, negative conditional: 103, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 269, positive: 70, positive conditional: 34, positive unconditional: 36, negative: 199, negative conditional: 126, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 23772, positive: 18751, positive conditional: 6278, positive unconditional: 12473, negative: 3440, negative conditional: 1568, negative unconditional: 1872, unknown: 1581, unknown conditional: 134, unknown unconditional: 1447] , Statistics on independence cache: Total cache size (in pairs): 1581, Positive cache size: 1458, Positive conditional cache size: 31, Positive unconditional cache size: 1427, Negative cache size: 123, Negative conditional cache size: 103, Negative unconditional cache size: 20, Eliminated conditions: 13298, Maximal queried relation: 8, Independence queries for same thread: 2924 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 543, Number of trivial persistent sets: 423, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1802, positive: 1782, positive conditional: 0, positive unconditional: 1782, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 23691, positive: 20209, positive conditional: 18427, positive unconditional: 1782, negative: 3482, negative conditional: 3462, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 20767, positive: 20209, positive conditional: 18427, positive unconditional: 1782, negative: 558, negative conditional: 538, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 20767, positive: 20209, positive conditional: 18427, positive unconditional: 1782, negative: 558, negative conditional: 538, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 23772, positive: 20209, positive conditional: 18273, positive unconditional: 1936, negative: 3563, negative conditional: 3005, negative unconditional: 558, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 23772, positive: 20209, positive conditional: 6309, positive unconditional: 13900, negative: 3563, negative conditional: 1671, negative unconditional: 1892, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 23772, positive: 20209, positive conditional: 6309, positive unconditional: 13900, negative: 3563, negative conditional: 1671, negative unconditional: 1892, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1581, positive: 1458, positive conditional: 31, positive unconditional: 1427, negative: 123, negative conditional: 103, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1581, positive: 1418, positive conditional: 0, positive unconditional: 1418, negative: 163, negative conditional: 0, negative unconditional: 163, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 163, positive: 40, positive conditional: 31, positive unconditional: 9, negative: 123, negative conditional: 103, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 269, positive: 70, positive conditional: 34, positive unconditional: 36, negative: 199, negative conditional: 126, negative unconditional: 72, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 23772, positive: 18751, positive conditional: 6278, positive unconditional: 12473, negative: 3440, negative conditional: 1568, negative unconditional: 1872, unknown: 1581, unknown conditional: 134, unknown unconditional: 1447] , Statistics on independence cache: Total cache size (in pairs): 1581, Positive cache size: 1458, Positive conditional cache size: 31, Positive unconditional cache size: 1427, Negative cache size: 123, Negative conditional cache size: 103, Negative unconditional cache size: 20, Eliminated conditions: 13298, Maximal queried relation: 8, Independence queries for same thread: 2924 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 116]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 126 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 7.8s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 3.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 151, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 2.8s InterpolantComputationTime, 1514 NumberOfCodeBlocks, 1509 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 1866 ConstructedInterpolants, 0 QuantifiedInterpolants, 5070 SizeOfPredicates, 30 NumberOfNonLiveVariables, 898 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 20 InterpolantComputations, 9 PerfectInterpolantSequences, 529/599 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-11 03:47:53,595 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-02-11 03:47:53,810 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...