/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-NewStatesSleepPersistentFixedOrder-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-08 06:21:08,461 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-08 06:21:08,464 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-08 06:21:08,503 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-08 06:21:08,564 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-NewStatesSleepPersistentFixedOrder-NoLbe-Random7777.epf [2021-08-08 06:21:08,597 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-08 06:21:08,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-08 06:21:08,598 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-08 06:21:08,598 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-08 06:21:08,600 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-08 06:21:08,601 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-08 06:21:08,601 INFO L138 SettingsManager]: * Use SBE=true [2021-08-08 06:21:08,601 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-08 06:21:08,601 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-08 06:21:08,601 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-08 06:21:08,602 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-08 06:21:08,602 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-08 06:21:08,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-08 06:21:08,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-08 06:21:08,603 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-08 06:21:08,603 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-08 06:21:08,603 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-08 06:21:08,603 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-08 06:21:08,603 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-08 06:21:08,604 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-08 06:21:08,604 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-08 06:21:08,604 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-08 06:21:08,604 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-08 06:21:08,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-08 06:21:08,605 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-08 06:21:08,605 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-08 06:21:08,605 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-08 06:21:08,605 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-08 06:21:08,605 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-08-08 06:21:08,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-08 06:21:08,606 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-08 06:21:08,606 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-08 06:21:08,606 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-08 06:21:08,606 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-08-08 06:21:08,606 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-08-08 06:21:08,607 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-08 06:21:08,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-08 06:21:08,933 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-08 06:21:08,935 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-08 06:21:08,936 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-08 06:21:08,936 INFO L275 PluginConnector]: CDTParser initialized [2021-08-08 06:21:08,937 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i [2021-08-08 06:21:08,997 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/886498985/fa9b84ef2c904d4aa73fbaff99d594ad/FLAG9049aef55 [2021-08-08 06:21:09,499 INFO L306 CDTParser]: Found 1 translation units. [2021-08-08 06:21:09,500 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i [2021-08-08 06:21:09,521 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/886498985/fa9b84ef2c904d4aa73fbaff99d594ad/FLAG9049aef55 [2021-08-08 06:21:09,984 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/886498985/fa9b84ef2c904d4aa73fbaff99d594ad [2021-08-08 06:21:09,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-08 06:21:09,987 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-08 06:21:09,991 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-08 06:21:09,992 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-08 06:21:09,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-08 06:21:09,995 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 06:21:09" (1/1) ... [2021-08-08 06:21:09,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@497accf0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:21:09, skipping insertion in model container [2021-08-08 06:21:09,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 06:21:09" (1/1) ... [2021-08-08 06:21:10,002 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-08 06:21:10,050 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-08 06:21:10,297 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i[29913,29926] [2021-08-08 06:21:10,310 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-08 06:21:10,319 INFO L203 MainTranslator]: Completed pre-run [2021-08-08 06:21:10,345 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_46-escape_racefree.i[29913,29926] [2021-08-08 06:21:10,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-08 06:21:10,378 INFO L208 MainTranslator]: Completed translation [2021-08-08 06:21:10,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:21:10 WrapperNode [2021-08-08 06:21:10,378 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-08 06:21:10,379 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-08 06:21:10,379 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-08 06:21:10,379 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-08 06:21:10,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:21:10" (1/1) ... [2021-08-08 06:21:10,396 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:21:10" (1/1) ... [2021-08-08 06:21:10,413 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-08 06:21:10,414 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-08 06:21:10,414 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-08 06:21:10,414 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-08 06:21:10,420 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:21:10" (1/1) ... [2021-08-08 06:21:10,420 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:21:10" (1/1) ... [2021-08-08 06:21:10,422 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:21:10" (1/1) ... [2021-08-08 06:21:10,423 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:21:10" (1/1) ... [2021-08-08 06:21:10,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:21:10" (1/1) ... [2021-08-08 06:21:10,431 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:21:10" (1/1) ... [2021-08-08 06:21:10,433 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:21:10" (1/1) ... [2021-08-08 06:21:10,435 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-08 06:21:10,436 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-08 06:21:10,436 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-08 06:21:10,436 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-08 06:21:10,437 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:21:10" (1/1) ... [2021-08-08 06:21:10,442 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-08 06:21:10,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 06:21:10,462 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) [2021-08-08 06:21:10,490 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 [2021-08-08 06:21:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-08 06:21:10,507 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-08 06:21:10,508 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-08-08 06:21:10,508 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-08 06:21:10,508 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-08-08 06:21:10,508 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-08-08 06:21:10,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-08 06:21:10,508 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-08 06:21:10,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-08 06:21:10,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-08 06:21:10,513 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-08 06:21:10,940 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-08 06:21:10,940 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-08-08 06:21:10,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 06:21:10 BoogieIcfgContainer [2021-08-08 06:21:10,942 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-08 06:21:10,943 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-08 06:21:10,944 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-08 06:21:10,946 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-08 06:21:10,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.08 06:21:09" (1/3) ... [2021-08-08 06:21:10,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f6f2d2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 06:21:10, skipping insertion in model container [2021-08-08 06:21:10,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 06:21:10" (2/3) ... [2021-08-08 06:21:10,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f6f2d2d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.08 06:21:10, skipping insertion in model container [2021-08-08 06:21:10,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 06:21:10" (3/3) ... [2021-08-08 06:21:10,950 INFO L111 eAbstractionObserver]: Analyzing ICFG 28-race_reach_46-escape_racefree.i [2021-08-08 06:21:10,954 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-08 06:21:10,954 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-08 06:21:10,955 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-08 06:21:10,955 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-08 06:21:10,984 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,984 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,984 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,984 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,984 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,984 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,985 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,985 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,985 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,985 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,985 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,985 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,985 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,985 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,986 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,986 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,986 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,986 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,986 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,986 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,986 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,987 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,987 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,987 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,987 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,987 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,988 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,988 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,988 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,988 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,988 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,988 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,988 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,989 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,989 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,989 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,989 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,989 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,989 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,989 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,990 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,990 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,990 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,990 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,990 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,990 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,990 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,990 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,990 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,990 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,991 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,991 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,991 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,991 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,991 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,991 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,991 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,991 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,992 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,992 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,992 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,992 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,992 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,992 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,992 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,992 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,993 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,993 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,993 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,993 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,993 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,993 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,996 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,996 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,996 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,997 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,997 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,997 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,997 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,997 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~p~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,997 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,997 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,997 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,998 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:10,998 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-08 06:21:11,007 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-08-08 06:21:11,040 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-08 06:21:11,041 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-08 06:21:11,041 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) [2021-08-08 06:21:11,042 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 [2021-08-08 06:21:11,074 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-08 06:21:11,082 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, mConcurrency=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 [2021-08-08 06:21:11,083 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-08-08 06:21:11,338 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-08-08 06:21:11,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 06:21:11,343 INFO L82 PathProgramCache]: Analyzing trace with hash 459983834, now seen corresponding path program 1 times [2021-08-08 06:21:11,351 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 06:21:11,355 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900854852] [2021-08-08 06:21:11,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 06:21:11,356 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 06:21:11,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 06:21:11,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 06:21:11,631 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 06:21:11,631 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900854852] [2021-08-08 06:21:11,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1900854852] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-08 06:21:11,632 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-08 06:21:11,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-08 06:21:11,634 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [927613482] [2021-08-08 06:21:11,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-08 06:21:11,638 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 06:21:11,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-08 06:21:11,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-08 06:21:11,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 06:21:11,650 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 06:21:11,652 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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) [2021-08-08 06:21:11,652 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 06:21:11,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-08 06:21:11,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-08 06:21:11,713 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-08-08 06:21:11,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 06:21:11,714 INFO L82 PathProgramCache]: Analyzing trace with hash -204223014, now seen corresponding path program 2 times [2021-08-08 06:21:11,714 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 06:21:11,714 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757711776] [2021-08-08 06:21:11,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 06:21:11,715 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 06:21:11,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 06:21:11,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 06:21:11,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 06:21:11,839 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [757711776] [2021-08-08 06:21:11,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [757711776] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-08 06:21:11,839 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-08 06:21:11,840 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-08 06:21:11,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055069554] [2021-08-08 06:21:11,841 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-08 06:21:11,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 06:21:11,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-08 06:21:11,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-08 06:21:11,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 06:21:11,842 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 06:21:11,842 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 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) [2021-08-08 06:21:11,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-08 06:21:11,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 06:21:11,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-08 06:21:11,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-08 06:21:11,888 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-08 06:21:11,888 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-08-08 06:21:11,892 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 06:21:11,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1021652197, now seen corresponding path program 1 times [2021-08-08 06:21:11,892 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 06:21:11,892 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857133915] [2021-08-08 06:21:11,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 06:21:11,893 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 06:21:11,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 06:21:12,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 06:21:12,118 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 06:21:12,119 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857133915] [2021-08-08 06:21:12,119 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857133915] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-08 06:21:12,119 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-08 06:21:12,119 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-08-08 06:21:12,119 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [533047616] [2021-08-08 06:21:12,120 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-08-08 06:21:12,120 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 06:21:12,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-08-08 06:21:12,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-08 06:21:12,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 06:21:12,121 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 06:21:12,121 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 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) [2021-08-08 06:21:12,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-08 06:21:12,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-08 06:21:12,121 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 06:21:12,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-08 06:21:12,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-08 06:21:12,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 06:21:12,289 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-08 06:21:12,289 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-08-08 06:21:12,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-08 06:21:12,290 INFO L82 PathProgramCache]: Analyzing trace with hash -1872914888, now seen corresponding path program 3 times [2021-08-08 06:21:12,290 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-08 06:21:12,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171903238] [2021-08-08 06:21:12,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-08 06:21:12,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-08 06:21:12,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-08 06:21:12,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-08 06:21:12,702 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-08 06:21:12,702 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171903238] [2021-08-08 06:21:12,704 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171903238] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-08 06:21:12,704 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-08 06:21:12,704 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-08-08 06:21:12,707 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438292120] [2021-08-08 06:21:12,708 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2021-08-08 06:21:12,708 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-08 06:21:12,709 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-08-08 06:21:12,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=236, Unknown=0, NotChecked=0, Total=272 [2021-08-08 06:21:12,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-08 06:21:12,711 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-08 06:21:12,712 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 4.411764705882353) internal successors, (75), 17 states have internal predecessors, (75), 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) [2021-08-08 06:21:12,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-08 06:21:12,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-08-08 06:21:12,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-08-08 06:21:12,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-08 06:21:13,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-08 06:21:13,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-08 06:21:13,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-08 06:21:13,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-08-08 06:21:13,929 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-08 06:21:13,929 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-08 06:21:13,929 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-08 06:21:13,935 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-08 06:21:13,935 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-08 06:21:13,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.08 06:21:13 BasicIcfg [2021-08-08 06:21:13,937 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-08 06:21:13,938 INFO L168 Benchmark]: Toolchain (without parser) took 3950.39 ms. Allocated memory was 176.2 MB in the beginning and 211.8 MB in the end (delta: 35.7 MB). Free memory was 140.1 MB in the beginning and 94.6 MB in the end (delta: 45.5 MB). Peak memory consumption was 82.5 MB. Max. memory is 8.0 GB. [2021-08-08 06:21:13,938 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 176.2 MB. Free memory is still 158.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-08 06:21:13,938 INFO L168 Benchmark]: CACSL2BoogieTranslator took 387.02 ms. Allocated memory is still 176.2 MB. Free memory was 140.0 MB in the beginning and 150.1 MB in the end (delta: -10.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-08-08 06:21:13,938 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.87 ms. Allocated memory is still 176.2 MB. Free memory was 150.1 MB in the beginning and 148.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-08 06:21:13,939 INFO L168 Benchmark]: Boogie Preprocessor took 21.47 ms. Allocated memory is still 176.2 MB. Free memory was 148.0 MB in the beginning and 146.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-08 06:21:13,939 INFO L168 Benchmark]: RCFGBuilder took 506.40 ms. Allocated memory is still 176.2 MB. Free memory was 146.5 MB in the beginning and 119.2 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. [2021-08-08 06:21:13,939 INFO L168 Benchmark]: TraceAbstraction took 2993.62 ms. Allocated memory was 176.2 MB in the beginning and 211.8 MB in the end (delta: 35.7 MB). Free memory was 118.7 MB in the beginning and 94.6 MB in the end (delta: 24.0 MB). Peak memory consumption was 60.7 MB. Max. memory is 8.0 GB. [2021-08-08 06:21:13,941 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 176.2 MB. Free memory is still 158.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 387.02 ms. Allocated memory is still 176.2 MB. Free memory was 140.0 MB in the beginning and 150.1 MB in the end (delta: -10.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 33.87 ms. Allocated memory is still 176.2 MB. Free memory was 150.1 MB in the beginning and 148.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 21.47 ms. Allocated memory is still 176.2 MB. Free memory was 148.0 MB in the beginning and 146.5 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 506.40 ms. Allocated memory is still 176.2 MB. Free memory was 146.5 MB in the beginning and 119.2 MB in the end (delta: 27.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2993.62 ms. Allocated memory was 176.2 MB in the beginning and 211.8 MB in the end (delta: 35.7 MB). Free memory was 118.7 MB in the beginning and 94.6 MB in the end (delta: 24.0 MB). Peak memory consumption was 60.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1822, positive: 1733, positive conditional: 298, positive unconditional: 1435, negative: 89, negative conditional: 69, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1757, positive: 1733, positive conditional: 298, positive unconditional: 1435, negative: 24, negative conditional: 4, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1757, positive: 1733, positive conditional: 298, positive unconditional: 1435, negative: 24, negative conditional: 4, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1770, positive: 1733, positive conditional: 246, positive unconditional: 1487, negative: 37, negative conditional: 13, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1770, positive: 1733, positive conditional: 109, positive unconditional: 1624, negative: 37, negative conditional: 5, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1770, positive: 1733, positive conditional: 109, positive unconditional: 1624, negative: 37, negative conditional: 5, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1154, positive: 1131, positive conditional: 3, positive unconditional: 1128, negative: 23, negative conditional: 3, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1154, positive: 1113, positive conditional: 0, positive unconditional: 1113, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 18, positive conditional: 3, positive unconditional: 15, negative: 23, negative conditional: 3, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 253, positive: 129, positive conditional: 16, positive unconditional: 113, negative: 124, negative conditional: 10, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1770, positive: 602, positive conditional: 106, positive unconditional: 496, negative: 14, negative conditional: 2, negative unconditional: 12, unknown: 1154, unknown conditional: 6, unknown unconditional: 1148] , Statistics on independence cache: Total cache size (in pairs): 1154, Positive cache size: 1131, Positive conditional cache size: 3, Positive unconditional cache size: 1128, Negative cache size: 23, Negative conditional cache size: 3, Negative unconditional cache size: 20, Eliminated conditions: 145, Maximal queried relation: 4, Independence queries for same thread: 65 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 288, Number of persistent set computation: 165, Number of trivial persistent sets: 135, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1455, positive: 1435, positive conditional: 0, positive unconditional: 1435, 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: 1822, positive: 1733, positive conditional: 298, positive unconditional: 1435, negative: 89, negative conditional: 69, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1757, positive: 1733, positive conditional: 298, positive unconditional: 1435, negative: 24, negative conditional: 4, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1757, positive: 1733, positive conditional: 298, positive unconditional: 1435, negative: 24, negative conditional: 4, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1770, positive: 1733, positive conditional: 246, positive unconditional: 1487, negative: 37, negative conditional: 13, negative unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1770, positive: 1733, positive conditional: 109, positive unconditional: 1624, negative: 37, negative conditional: 5, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1770, positive: 1733, positive conditional: 109, positive unconditional: 1624, negative: 37, negative conditional: 5, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1154, positive: 1131, positive conditional: 3, positive unconditional: 1128, negative: 23, negative conditional: 3, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1154, positive: 1113, positive conditional: 0, positive unconditional: 1113, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 41, positive: 18, positive conditional: 3, positive unconditional: 15, negative: 23, negative conditional: 3, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 253, positive: 129, positive conditional: 16, positive unconditional: 113, negative: 124, negative conditional: 10, negative unconditional: 114, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1770, positive: 602, positive conditional: 106, positive unconditional: 496, negative: 14, negative conditional: 2, negative unconditional: 12, unknown: 1154, unknown conditional: 6, unknown unconditional: 1148] , Statistics on independence cache: Total cache size (in pairs): 1154, Positive cache size: 1131, Positive conditional cache size: 3, Positive unconditional cache size: 1128, Negative cache size: 23, Negative conditional cache size: 3, Negative unconditional cache size: 20, Eliminated conditions: 145, Maximal queried relation: 4, Independence queries for same thread: 65 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 684]: 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 3 procedures, 123 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2896.7ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 21.5ms, PartialOrderReductionTime: 1720.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 45, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 21.5ms SsaConstructionTime, 149.7ms SatisfiabilityAnalysisTime, 775.9ms InterpolantComputationTime, 288 NumberOfCodeBlocks, 288 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 284 ConstructedInterpolants, 0 QuantifiedInterpolants, 1076 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-08-08 06:21:13,973 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-08-08 06:21:14,185 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...