/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-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/stateful01-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 13:42:38,943 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 13:42:38,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 13:42:38,979 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-10 13:42:38,979 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-10 13:42:38,981 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-10 13:42:38,983 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-10 13:42:38,989 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-10 13:42:38,991 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-10 13:42:38,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-10 13:42:38,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-10 13:42:38,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-10 13:42:38,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 13:42:38,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 13:42:39,000 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 13:42:39,000 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 13:42:39,003 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 13:42:39,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 13:42:39,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 13:42:39,010 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 13:42:39,011 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 13:42:39,012 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 13:42:39,014 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 13:42:39,014 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 13:42:39,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-10 13:42:39,017 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-10 13:42:39,018 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-10 13:42:39,018 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-10 13:42:39,019 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-10 13:42:39,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-10 13:42:39,020 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-10 13:42:39,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-10 13:42:39,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-10 13:42:39,020 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 13:42:39,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 13:42:39,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 13:42:39,025 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-Random42.epf [2021-07-10 13:42:39,052 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 13:42:39,053 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 13:42:39,053 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 13:42:39,053 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 13:42:39,055 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 13:42:39,055 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 13:42:39,055 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 13:42:39,055 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 13:42:39,055 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 13:42:39,055 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 13:42:39,056 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 13:42:39,056 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 13:42:39,056 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 13:42:39,056 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 13:42:39,056 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 13:42:39,057 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 13:42:39,057 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 13:42:39,057 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 13:42:39,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 13:42:39,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 13:42:39,057 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 13:42:39,057 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 13:42:39,057 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 13:42:39,057 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 13:42:39,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 13:42:39,058 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 13:42:39,067 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 13:42:39,067 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 13:42:39,067 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-10 13:42:39,067 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 13:42:39,068 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 13:42:39,068 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 13:42:39,068 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 13:42:39,068 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 13:42:39,068 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-10 13:42:39,068 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 13:42:39,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 13:42:39,310 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 13:42:39,312 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 13:42:39,313 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-10 13:42:39,313 INFO L275 PluginConnector]: CDTParser initialized [2021-07-10 13:42:39,314 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stateful01-2.i [2021-07-10 13:42:39,363 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e62a3e11/6eab9daa7ffb4fa7a3e2dd4f41ef5c99/FLAGd0cff9638 [2021-07-10 13:42:39,820 INFO L306 CDTParser]: Found 1 translation units. [2021-07-10 13:42:39,820 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-2.i [2021-07-10 13:42:39,829 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e62a3e11/6eab9daa7ffb4fa7a3e2dd4f41ef5c99/FLAGd0cff9638 [2021-07-10 13:42:40,163 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6e62a3e11/6eab9daa7ffb4fa7a3e2dd4f41ef5c99 [2021-07-10 13:42:40,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 13:42:40,166 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-10 13:42:40,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-10 13:42:40,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-10 13:42:40,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-10 13:42:40,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 01:42:40" (1/1) ... [2021-07-10 13:42:40,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fdb7ad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:40, skipping insertion in model container [2021-07-10 13:42:40,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 01:42:40" (1/1) ... [2021-07-10 13:42:40,177 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-10 13:42:40,204 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-10 13:42:40,365 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-2.i[30826,30839] [2021-07-10 13:42:40,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 13:42:40,431 INFO L203 MainTranslator]: Completed pre-run [2021-07-10 13:42:40,476 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-2.i[30826,30839] [2021-07-10 13:42:40,481 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 13:42:40,511 INFO L208 MainTranslator]: Completed translation [2021-07-10 13:42:40,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:40 WrapperNode [2021-07-10 13:42:40,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-10 13:42:40,512 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 13:42:40,512 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 13:42:40,512 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 13:42:40,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:40" (1/1) ... [2021-07-10 13:42:40,541 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:40" (1/1) ... [2021-07-10 13:42:40,555 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 13:42:40,556 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 13:42:40,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 13:42:40,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 13:42:40,562 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:40" (1/1) ... [2021-07-10 13:42:40,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:40" (1/1) ... [2021-07-10 13:42:40,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:40" (1/1) ... [2021-07-10 13:42:40,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:40" (1/1) ... [2021-07-10 13:42:40,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:40" (1/1) ... [2021-07-10 13:42:40,583 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:40" (1/1) ... [2021-07-10 13:42:40,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:40" (1/1) ... [2021-07-10 13:42:40,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 13:42:40,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 13:42:40,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 13:42:40,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 13:42:40,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:40" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 13:42:40,658 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-10 13:42:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 13:42:40,659 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 13:42:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 13:42:40,659 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 13:42:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-10 13:42:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-07-10 13:42:40,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-10 13:42:40,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-10 13:42:40,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-10 13:42:40,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 13:42:40,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 13:42:40,661 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 13:42:41,026 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 13:42:41,026 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-07-10 13:42:41,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 01:42:41 BoogieIcfgContainer [2021-07-10 13:42:41,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 13:42:41,030 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 13:42:41,030 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 13:42:41,032 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 13:42:41,032 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 01:42:40" (1/3) ... [2021-07-10 13:42:41,032 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@246c86df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 01:42:41, skipping insertion in model container [2021-07-10 13:42:41,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 01:42:40" (2/3) ... [2021-07-10 13:42:41,033 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@246c86df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 01:42:41, skipping insertion in model container [2021-07-10 13:42:41,033 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 01:42:41" (3/3) ... [2021-07-10 13:42:41,034 INFO L111 eAbstractionObserver]: Analyzing ICFG stateful01-2.i [2021-07-10 13:42:41,039 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 13:42:41,040 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 13:42:41,040 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 13:42:41,040 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 13:42:41,065 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,065 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,066 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,066 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,066 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,066 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,066 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,066 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,066 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,066 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,067 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,067 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,067 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,067 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,067 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,070 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,070 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,070 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,071 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,071 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,071 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,071 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,072 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,072 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,072 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,072 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,072 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,072 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,073 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,073 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,073 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,073 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,074 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,075 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,075 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,075 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,075 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,075 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,075 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,076 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,076 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,076 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,076 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,076 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,076 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,077 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,077 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,077 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,077 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,077 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,077 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,077 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,081 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,081 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,081 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,081 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,082 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,082 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,085 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,085 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,085 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,086 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,086 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,086 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,086 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,086 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 13:42:41,094 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-10 13:42:41,109 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 13:42:41,144 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 13:42:41,144 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 13:42:41,144 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 13:42:41,145 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 13:42:41,145 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 13:42:41,145 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 13:42:41,145 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 13:42:41,145 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 13:42:41,334 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 13:42:41,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:42:41,338 INFO L82 PathProgramCache]: Analyzing trace with hash -1764692423, now seen corresponding path program 1 times [2021-07-10 13:42:41,357 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:42:41,357 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905619833] [2021-07-10 13:42:41,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:42:41,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:42:41,582 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:42:41,583 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:42:41,583 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905619833] [2021-07-10 13:42:41,584 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905619833] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 13:42:41,584 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 13:42:41,585 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 13:42:41,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085684399] [2021-07-10 13:42:41,589 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 13:42:41,590 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:42:41,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 13:42:41,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 13:42:41,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:42:41,611 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:42:41,613 INFO L483 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) [2021-07-10 13:42:41,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:42:41,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:42:41,696 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 13:42:41,697 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 13:42:41,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:42:41,697 INFO L82 PathProgramCache]: Analyzing trace with hash 1095821659, now seen corresponding path program 1 times [2021-07-10 13:42:41,697 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:42:41,697 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485277435] [2021-07-10 13:42:41,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:42:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:42:41,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:42:41,839 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:42:41,839 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485277435] [2021-07-10 13:42:41,839 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1485277435] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 13:42:41,839 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 13:42:41,839 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-10 13:42:41,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062377400] [2021-07-10 13:42:41,840 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 13:42:41,840 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:42:41,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 13:42:41,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-10 13:42:41,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:42:41,841 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:42:41,841 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 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) [2021-07-10 13:42:41,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:42:41,841 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:42:42,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:42:42,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:42:42,033 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 13:42:42,033 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 13:42:42,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 13:42:42,034 INFO L82 PathProgramCache]: Analyzing trace with hash -1637917547, now seen corresponding path program 2 times [2021-07-10 13:42:42,034 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 13:42:42,034 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [898237296] [2021-07-10 13:42:42,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 13:42:42,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 13:42:42,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 13:42:42,171 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 13:42:42,171 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [898237296] [2021-07-10 13:42:42,171 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [898237296] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 13:42:42,171 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 13:42:42,172 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-10 13:42:42,172 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612080623] [2021-07-10 13:42:42,172 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 13:42:42,172 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 13:42:42,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 13:42:42,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-10 13:42:42,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:42:42,173 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 13:42:42,174 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 12.5) internal successors, (75), 6 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) [2021-07-10 13:42:42,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:42:42,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:42:42,174 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 13:42:42,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 13:42:42,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:42:42,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 13:42:42,319 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-10 13:42:42,335 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-10 13:42:42,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 01:42:42 BasicIcfg [2021-07-10 13:42:42,337 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-10 13:42:42,338 INFO L168 Benchmark]: Toolchain (without parser) took 2171.63 ms. Allocated memory was 195.0 MB in the beginning and 251.7 MB in the end (delta: 56.6 MB). Free memory was 158.8 MB in the beginning and 180.1 MB in the end (delta: -21.3 MB). Peak memory consumption was 35.6 MB. Max. memory is 8.0 GB. [2021-07-10 13:42:42,338 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 195.0 MB. Free memory was 177.0 MB in the beginning and 177.0 MB in the end (delta: 85.6 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 13:42:42,342 INFO L168 Benchmark]: CACSL2BoogieTranslator took 342.95 ms. Allocated memory is still 195.0 MB. Free memory was 158.6 MB in the beginning and 170.3 MB in the end (delta: -11.7 MB). Peak memory consumption was 16.1 MB. Max. memory is 8.0 GB. [2021-07-10 13:42:42,342 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.22 ms. Allocated memory is still 195.0 MB. Free memory was 170.3 MB in the beginning and 168.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-10 13:42:42,343 INFO L168 Benchmark]: Boogie Preprocessor took 32.01 ms. Allocated memory is still 195.0 MB. Free memory was 168.4 MB in the beginning and 166.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-10 13:42:42,343 INFO L168 Benchmark]: RCFGBuilder took 439.63 ms. Allocated memory is still 195.0 MB. Free memory was 166.7 MB in the beginning and 142.0 MB in the end (delta: 24.8 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-07-10 13:42:42,343 INFO L168 Benchmark]: TraceAbstraction took 1307.39 ms. Allocated memory was 195.0 MB in the beginning and 251.7 MB in the end (delta: 56.6 MB). Free memory was 141.6 MB in the beginning and 180.1 MB in the end (delta: -38.6 MB). Peak memory consumption was 17.4 MB. Max. memory is 8.0 GB. [2021-07-10 13:42:42,344 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 195.0 MB. Free memory was 177.0 MB in the beginning and 177.0 MB in the end (delta: 85.6 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 342.95 ms. Allocated memory is still 195.0 MB. Free memory was 158.6 MB in the beginning and 170.3 MB in the end (delta: -11.7 MB). Peak memory consumption was 16.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 43.22 ms. Allocated memory is still 195.0 MB. Free memory was 170.3 MB in the beginning and 168.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 32.01 ms. Allocated memory is still 195.0 MB. Free memory was 168.4 MB in the beginning and 166.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 439.63 ms. Allocated memory is still 195.0 MB. Free memory was 166.7 MB in the beginning and 142.0 MB in the end (delta: 24.8 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1307.39 ms. Allocated memory was 195.0 MB in the beginning and 251.7 MB in the end (delta: 56.6 MB). Free memory was 141.6 MB in the beginning and 180.1 MB in the end (delta: -38.6 MB). Peak memory consumption was 17.4 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: 6794, positive: 6641, positive conditional: 2454, positive unconditional: 4187, negative: 153, negative conditional: 75, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 6794, positive: 6641, positive conditional: 2454, positive unconditional: 4187, negative: 153, negative conditional: 75, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 6794, positive: 6641, positive conditional: 0, positive unconditional: 6641, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1308, positive: 1276, positive conditional: 0, positive unconditional: 1276, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1308, positive: 1266, positive conditional: 0, positive unconditional: 1266, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 42, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 40, negative conditional: 8, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 167, positive: 81, positive conditional: 0, positive unconditional: 81, negative: 85, negative conditional: 16, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6794, positive: 5365, positive conditional: 0, positive unconditional: 5365, negative: 121, negative conditional: 0, negative unconditional: 121, unknown: 1308, unknown conditional: 0, unknown unconditional: 1308] , Statistics on independence cache: Total cache size (in pairs): 1316, Positive cache size: 1276, Positive conditional cache size: 0, Positive unconditional cache size: 1276, Negative cache size: 40, Negative conditional cache size: 8, Negative unconditional cache size: 32, SemanticConditionEliminator.Independence Queries: [ total: 284, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 284, negative conditional: 66, negative unconditional: 218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 284, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 284, negative conditional: 66, negative unconditional: 218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 40, negative conditional: 8, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 167, positive: 81, positive conditional: 0, positive unconditional: 81, negative: 85, negative conditional: 16, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 284, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 276, negative conditional: 58, negative unconditional: 218, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1316, Positive cache size: 1276, Positive conditional cache size: 0, Positive unconditional cache size: 1276, Negative cache size: 40, Negative conditional cache size: 8, Negative unconditional cache size: 32, Eliminated conditions: 119, SemanticConditionEliminator.Independence Queries: [ total: 284, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 284, negative conditional: 66, negative unconditional: 218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 284, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 284, negative conditional: 66, negative unconditional: 218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 40, negative conditional: 8, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 167, positive: 81, positive conditional: 0, positive unconditional: 81, negative: 85, negative conditional: 16, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 284, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 276, negative conditional: 58, negative unconditional: 218, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1316, Positive cache size: 1276, Positive conditional cache size: 0, Positive unconditional cache size: 1276, Negative cache size: 40, Negative conditional cache size: 8, Negative unconditional cache size: 32, Eliminated conditions: 119, SemanticConditionEliminator.Independence Queries: [ total: 284, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 284, negative conditional: 66, negative unconditional: 218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 284, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 284, negative conditional: 66, negative unconditional: 218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 40, negative conditional: 8, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 167, positive: 81, positive conditional: 0, positive unconditional: 81, negative: 85, negative conditional: 16, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 284, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 276, negative conditional: 58, negative unconditional: 218, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1316, Positive cache size: 1276, Positive conditional cache size: 0, Positive unconditional cache size: 1276, Negative cache size: 40, Negative conditional cache size: 8, Negative unconditional cache size: 32, Eliminated conditions: 119 ], Maximal queried relation: 3, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 275, Number of persistent set computation: 713, Number of trivial persistent sets: 713, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6794, positive: 6641, positive conditional: 2454, positive unconditional: 4187, negative: 153, negative conditional: 75, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 6794, positive: 6641, positive conditional: 2454, positive unconditional: 4187, negative: 153, negative conditional: 75, negative unconditional: 78, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 6794, positive: 6641, positive conditional: 0, positive unconditional: 6641, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1308, positive: 1276, positive conditional: 0, positive unconditional: 1276, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1308, positive: 1266, positive conditional: 0, positive unconditional: 1266, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 42, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 32, negative conditional: 0, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 40, negative conditional: 8, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 167, positive: 81, positive conditional: 0, positive unconditional: 81, negative: 85, negative conditional: 16, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6794, positive: 5365, positive conditional: 0, positive unconditional: 5365, negative: 121, negative conditional: 0, negative unconditional: 121, unknown: 1308, unknown conditional: 0, unknown unconditional: 1308] , Statistics on independence cache: Total cache size (in pairs): 1316, Positive cache size: 1276, Positive conditional cache size: 0, Positive unconditional cache size: 1276, Negative cache size: 40, Negative conditional cache size: 8, Negative unconditional cache size: 32, SemanticConditionEliminator.Independence Queries: [ total: 284, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 284, negative conditional: 66, negative unconditional: 218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 284, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 284, negative conditional: 66, negative unconditional: 218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 40, negative conditional: 8, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 167, positive: 81, positive conditional: 0, positive unconditional: 81, negative: 85, negative conditional: 16, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 284, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 276, negative conditional: 58, negative unconditional: 218, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1316, Positive cache size: 1276, Positive conditional cache size: 0, Positive unconditional cache size: 1276, Negative cache size: 40, Negative conditional cache size: 8, Negative unconditional cache size: 32, Eliminated conditions: 119, SemanticConditionEliminator.Independence Queries: [ total: 284, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 284, negative conditional: 66, negative unconditional: 218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 284, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 284, negative conditional: 66, negative unconditional: 218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 40, negative conditional: 8, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 167, positive: 81, positive conditional: 0, positive unconditional: 81, negative: 85, negative conditional: 16, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 284, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 276, negative conditional: 58, negative unconditional: 218, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1316, Positive cache size: 1276, Positive conditional cache size: 0, Positive unconditional cache size: 1276, Negative cache size: 40, Negative conditional cache size: 8, Negative unconditional cache size: 32, Eliminated conditions: 119, SemanticConditionEliminator.Independence Queries: [ total: 284, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 284, negative conditional: 66, negative unconditional: 218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 284, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 284, negative conditional: 66, negative unconditional: 218, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 50, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 40, negative conditional: 8, negative unconditional: 32, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 167, positive: 81, positive conditional: 0, positive unconditional: 81, negative: 85, negative conditional: 16, negative unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 284, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 276, negative conditional: 58, negative unconditional: 218, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1316, Positive cache size: 1276, Positive conditional cache size: 0, Positive unconditional cache size: 1276, Negative cache size: 40, Negative conditional cache size: 8, Negative unconditional cache size: 32, Eliminated conditions: 119 ], Maximal queried relation: 3, Independence queries for same thread: 0 - PositiveResult [Line: 727]: 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 5 procedures, 117 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1214.8ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.9ms, PartialOrderReductionTime: 598.5ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 17, 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: 18.1ms SsaConstructionTime, 129.4ms SatisfiabilityAnalysisTime, 289.1ms InterpolantComputationTime, 225 NumberOfCodeBlocks, 225 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 804 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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! Received shutdown request...