/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/stateful01-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 11:59:04,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 11:59:04,043 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 11:59:04,079 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-14 11:59:04,079 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-14 11:59:04,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-14 11:59:04,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-14 11:59:04,090 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-14 11:59:04,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-14 11:59:04,096 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-14 11:59:04,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-14 11:59:04,099 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-14 11:59:04,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 11:59:04,101 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 11:59:04,102 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 11:59:04,103 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 11:59:04,105 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 11:59:04,106 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 11:59:04,108 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 11:59:04,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 11:59:04,115 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 11:59:04,130 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 11:59:04,131 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 11:59:04,133 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 11:59:04,139 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-14 11:59:04,139 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-14 11:59:04,140 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-14 11:59:04,141 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-14 11:59:04,141 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-14 11:59:04,142 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-14 11:59:04,142 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-14 11:59:04,143 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-14 11:59:04,144 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-14 11:59:04,146 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-14 11:59:04,147 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-14 11:59:04,147 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-14 11:59:04,148 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-14 11:59:04,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-14 11:59:04,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 11:59:04,148 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 11:59:04,149 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 11:59:04,153 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-07-14 11:59:04,189 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 11:59:04,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 11:59:04,190 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 11:59:04,190 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 11:59:04,192 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 11:59:04,192 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 11:59:04,192 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 11:59:04,193 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 11:59:04,193 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 11:59:04,193 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 11:59:04,194 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 11:59:04,194 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 11:59:04,194 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 11:59:04,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 11:59:04,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 11:59:04,194 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 11:59:04,194 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 11:59:04,195 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 11:59:04,195 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 11:59:04,195 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 11:59:04,195 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 11:59:04,195 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 11:59:04,195 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 11:59:04,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 11:59:04,196 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 11:59:04,196 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 11:59:04,196 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 11:59:04,196 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 11:59:04,196 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 11:59:04,196 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 11:59:04,196 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 11:59:04,197 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 11:59:04,197 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 11:59:04,197 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-14 11:59:04,197 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 11:59:04,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 11:59:04,525 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 11:59:04,527 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 11:59:04,528 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 11:59:04,528 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 11:59:04,529 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stateful01-2.i [2021-07-14 11:59:04,593 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3826a1d05/c14b1a64a9be42a3bb05387fef91fbd0/FLAG133693477 [2021-07-14 11:59:05,100 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 11:59:05,100 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-2.i [2021-07-14 11:59:05,118 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3826a1d05/c14b1a64a9be42a3bb05387fef91fbd0/FLAG133693477 [2021-07-14 11:59:05,604 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3826a1d05/c14b1a64a9be42a3bb05387fef91fbd0 [2021-07-14 11:59:05,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 11:59:05,608 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 11:59:05,611 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 11:59:05,611 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 11:59:05,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 11:59:05,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 11:59:05" (1/1) ... [2021-07-14 11:59:05,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bd3d547 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:59:05, skipping insertion in model container [2021-07-14 11:59:05,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 11:59:05" (1/1) ... [2021-07-14 11:59:05,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 11:59:05,663 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 11:59:05,943 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] [2021-07-14 11:59:05,947 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 11:59:05,959 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 11:59:06,016 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] [2021-07-14 11:59:06,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 11:59:06,054 INFO L208 MainTranslator]: Completed translation [2021-07-14 11:59:06,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:59:06 WrapperNode [2021-07-14 11:59:06,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 11:59:06,056 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 11:59:06,056 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 11:59:06,056 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 11:59:06,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:59:06" (1/1) ... [2021-07-14 11:59:06,082 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:59:06" (1/1) ... [2021-07-14 11:59:06,102 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 11:59:06,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 11:59:06,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 11:59:06,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 11:59:06,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:59:06" (1/1) ... [2021-07-14 11:59:06,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:59:06" (1/1) ... [2021-07-14 11:59:06,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:59:06" (1/1) ... [2021-07-14 11:59:06,119 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:59:06" (1/1) ... [2021-07-14 11:59:06,124 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:59:06" (1/1) ... [2021-07-14 11:59:06,125 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:59:06" (1/1) ... [2021-07-14 11:59:06,126 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:59:06" (1/1) ... [2021-07-14 11:59:06,128 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 11:59:06,129 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 11:59:06,129 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 11:59:06,129 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 11:59:06,130 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:59:06" (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 [2021-07-14 11:59:06,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-14 11:59:06,210 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 11:59:06,210 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 11:59:06,211 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 11:59:06,211 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 11:59:06,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 11:59:06,211 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-07-14 11:59:06,211 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 11:59:06,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 11:59:06,211 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 11:59:06,211 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 11:59:06,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 11:59:06,212 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 11:59:06,598 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 11:59:06,598 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-07-14 11:59:06,601 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 11:59:06 BoogieIcfgContainer [2021-07-14 11:59:06,601 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 11:59:06,602 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 11:59:06,603 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 11:59:06,605 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 11:59:06,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 11:59:05" (1/3) ... [2021-07-14 11:59:06,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58304efc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 11:59:06, skipping insertion in model container [2021-07-14 11:59:06,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 11:59:06" (2/3) ... [2021-07-14 11:59:06,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58304efc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 11:59:06, skipping insertion in model container [2021-07-14 11:59:06,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 11:59:06" (3/3) ... [2021-07-14 11:59:06,607 INFO L111 eAbstractionObserver]: Analyzing ICFG stateful01-2.i [2021-07-14 11:59:06,615 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 11:59:06,615 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 11:59:06,615 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 11:59:06,616 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 11:59:06,644 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,645 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,645 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,645 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,645 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,645 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,645 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,645 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,646 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,646 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,646 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,646 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,647 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,647 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,647 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,650 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,651 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,651 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,651 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,651 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,652 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,652 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,652 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,653 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,653 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,653 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,653 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,653 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,653 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,654 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,654 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,654 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,655 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,657 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,657 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,657 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,657 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,657 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,657 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,657 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,658 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,658 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,658 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,658 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,658 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,659 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,659 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,659 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,659 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,659 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,660 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,660 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,661 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,662 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,662 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,662 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,662 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,663 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,667 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,667 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,667 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,667 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,668 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,668 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,668 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,668 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 11:59:06,679 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-14 11:59:06,701 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 [2021-07-14 11:59:06,776 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 11:59:06,776 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 11:59:06,777 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 11:59:06,777 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 11:59:06,777 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 11:59:06,778 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 11:59:06,778 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 11:59:06,778 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 11:59:06,976 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 11:59:06,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:59:06,980 INFO L82 PathProgramCache]: Analyzing trace with hash -577635057, now seen corresponding path program 1 times [2021-07-14 11:59:06,987 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:59:06,987 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1530146421] [2021-07-14 11:59:06,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:59:07,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:59:07,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:59:07,214 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:59:07,214 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1530146421] [2021-07-14 11:59:07,215 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1530146421] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 11:59:07,215 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 11:59:07,215 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 11:59:07,216 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970344138] [2021-07-14 11:59:07,219 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 11:59:07,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:59:07,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 11:59:07,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 11:59:07,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:59:07,232 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:59:07,234 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) [2021-07-14 11:59:07,234 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:59:07,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:59:07,288 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 11:59:07,288 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 11:59:07,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:59:07,289 INFO L82 PathProgramCache]: Analyzing trace with hash -618286687, now seen corresponding path program 2 times [2021-07-14 11:59:07,289 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:59:07,289 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667717316] [2021-07-14 11:59:07,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:59:07,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:59:07,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:59:07,514 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:59:07,514 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667717316] [2021-07-14 11:59:07,514 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667717316] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 11:59:07,514 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 11:59:07,514 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 11:59:07,514 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731129339] [2021-07-14 11:59:07,516 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 11:59:07,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:59:07,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 11:59:07,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-14 11:59:07,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:59:07,518 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:59:07,518 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) [2021-07-14 11:59:07,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:59:07,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:59:07,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:59:07,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:59:07,816 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 11:59:07,816 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 11:59:07,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:59:07,823 INFO L82 PathProgramCache]: Analyzing trace with hash -382380397, now seen corresponding path program 3 times [2021-07-14 11:59:07,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:59:07,824 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227522473] [2021-07-14 11:59:07,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:59:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:59:07,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:59:07,944 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:59:07,944 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227522473] [2021-07-14 11:59:07,945 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227522473] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 11:59:07,945 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 11:59:07,945 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-07-14 11:59:07,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181012948] [2021-07-14 11:59:07,946 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 11:59:07,946 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:59:07,946 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 11:59:07,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-07-14 11:59:07,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:59:07,947 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:59:07,947 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) [2021-07-14 11:59:07,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:59:07,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:59:07,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:59:08,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:59:08,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:59:08,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:59:08,111 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-14 11:59:08,123 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 11:59:08,125 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 11:59:08 BasicIcfg [2021-07-14 11:59:08,125 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 11:59:08,126 INFO L168 Benchmark]: Toolchain (without parser) took 2518.00 ms. Allocated memory is still 184.5 MB. Free memory was 147.8 MB in the beginning and 82.6 MB in the end (delta: 65.3 MB). Peak memory consumption was 65.4 MB. Max. memory is 8.0 GB. [2021-07-14 11:59:08,126 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 184.5 MB. Free memory is still 165.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 11:59:08,133 INFO L168 Benchmark]: CACSL2BoogieTranslator took 444.26 ms. Allocated memory is still 184.5 MB. Free memory was 147.6 MB in the beginning and 159.2 MB in the end (delta: -11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-14 11:59:08,133 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.96 ms. Allocated memory is still 184.5 MB. Free memory was 159.2 MB in the beginning and 157.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 11:59:08,133 INFO L168 Benchmark]: Boogie Preprocessor took 25.30 ms. Allocated memory is still 184.5 MB. Free memory was 157.1 MB in the beginning and 156.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 11:59:08,134 INFO L168 Benchmark]: RCFGBuilder took 471.94 ms. Allocated memory is still 184.5 MB. Free memory was 155.5 MB in the beginning and 130.9 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-07-14 11:59:08,134 INFO L168 Benchmark]: TraceAbstraction took 1522.97 ms. Allocated memory is still 184.5 MB. Free memory was 130.3 MB in the beginning and 82.6 MB in the end (delta: 47.8 MB). Peak memory consumption was 49.3 MB. Max. memory is 8.0 GB. [2021-07-14 11:59:08,135 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 184.5 MB. Free memory is still 165.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 444.26 ms. Allocated memory is still 184.5 MB. Free memory was 147.6 MB in the beginning and 159.2 MB in the end (delta: -11.5 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 46.96 ms. Allocated memory is still 184.5 MB. Free memory was 159.2 MB in the beginning and 157.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 25.30 ms. Allocated memory is still 184.5 MB. Free memory was 157.1 MB in the beginning and 156.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 471.94 ms. Allocated memory is still 184.5 MB. Free memory was 155.5 MB in the beginning and 130.9 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1522.97 ms. Allocated memory is still 184.5 MB. Free memory was 130.3 MB in the beginning and 82.6 MB in the end (delta: 47.8 MB). Peak memory consumption was 49.3 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: 6859, positive: 6713, positive conditional: 2397, positive unconditional: 4316, negative: 146, negative conditional: 63, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 6859, positive: 6713, positive conditional: 2397, positive unconditional: 4316, negative: 146, negative conditional: 63, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 6859, positive: 6709, positive conditional: 0, positive unconditional: 6709, negative: 150, negative conditional: 0, negative unconditional: 150, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1311, positive: 1280, positive conditional: 0, positive unconditional: 1280, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1311, positive: 1270, positive conditional: 0, positive unconditional: 1270, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 41, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 49, positive: 11, positive conditional: 1, positive unconditional: 10, negative: 38, negative conditional: 7, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 155, positive: 67, positive conditional: 3, positive unconditional: 63, negative: 89, negative conditional: 14, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6859, positive: 5429, positive conditional: 0, positive unconditional: 5429, negative: 119, negative conditional: 0, negative unconditional: 119, unknown: 1311, unknown conditional: 0, unknown unconditional: 1311] , Statistics on independence cache: Total cache size (in pairs): 1319, Positive cache size: 1281, Positive conditional cache size: 1, Positive unconditional cache size: 1280, Negative cache size: 38, Negative conditional cache size: 7, Negative unconditional cache size: 31, SemanticConditionEliminator.Independence Queries: [ total: 286, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 282, negative conditional: 56, negative unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 286, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 282, negative conditional: 56, negative unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 49, positive: 11, positive conditional: 1, positive unconditional: 10, negative: 38, negative conditional: 7, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 155, positive: 67, positive conditional: 3, positive unconditional: 63, negative: 89, negative conditional: 14, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 286, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 275, negative conditional: 49, negative unconditional: 226, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1319, Positive cache size: 1281, Positive conditional cache size: 1, Positive unconditional cache size: 1280, Negative cache size: 38, Negative conditional cache size: 7, Negative unconditional cache size: 31, Eliminated conditions: 107, SemanticConditionEliminator.Independence Queries: [ total: 286, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 282, negative conditional: 56, negative unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 286, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 282, negative conditional: 56, negative unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 49, positive: 11, positive conditional: 1, positive unconditional: 10, negative: 38, negative conditional: 7, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 155, positive: 67, positive conditional: 3, positive unconditional: 63, negative: 89, negative conditional: 14, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 286, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 275, negative conditional: 49, negative unconditional: 226, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1319, Positive cache size: 1281, Positive conditional cache size: 1, Positive unconditional cache size: 1280, Negative cache size: 38, Negative conditional cache size: 7, Negative unconditional cache size: 31, Eliminated conditions: 107, SemanticConditionEliminator.Independence Queries: [ total: 286, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 282, negative conditional: 56, negative unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 286, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 282, negative conditional: 56, negative unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 49, positive: 11, positive conditional: 1, positive unconditional: 10, negative: 38, negative conditional: 7, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 155, positive: 67, positive conditional: 3, positive unconditional: 63, negative: 89, negative conditional: 14, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 286, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 275, negative conditional: 49, negative unconditional: 226, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1319, Positive cache size: 1281, Positive conditional cache size: 1, Positive unconditional cache size: 1280, Negative cache size: 38, Negative conditional cache size: 7, Negative unconditional cache size: 31, Eliminated conditions: 107 ], Maximal queried relation: 3, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 256, Number of persistent set computation: 694, Number of trivial persistent sets: 694, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 6859, positive: 6713, positive conditional: 2397, positive unconditional: 4316, negative: 146, negative conditional: 63, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 6859, positive: 6713, positive conditional: 2397, positive unconditional: 4316, negative: 146, negative conditional: 63, negative unconditional: 83, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 6859, positive: 6709, positive conditional: 0, positive unconditional: 6709, negative: 150, negative conditional: 0, negative unconditional: 150, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1311, positive: 1280, positive conditional: 0, positive unconditional: 1280, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1311, positive: 1270, positive conditional: 0, positive unconditional: 1270, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 41, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 49, positive: 11, positive conditional: 1, positive unconditional: 10, negative: 38, negative conditional: 7, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 155, positive: 67, positive conditional: 3, positive unconditional: 63, negative: 89, negative conditional: 14, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 6859, positive: 5429, positive conditional: 0, positive unconditional: 5429, negative: 119, negative conditional: 0, negative unconditional: 119, unknown: 1311, unknown conditional: 0, unknown unconditional: 1311] , Statistics on independence cache: Total cache size (in pairs): 1319, Positive cache size: 1281, Positive conditional cache size: 1, Positive unconditional cache size: 1280, Negative cache size: 38, Negative conditional cache size: 7, Negative unconditional cache size: 31, SemanticConditionEliminator.Independence Queries: [ total: 286, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 282, negative conditional: 56, negative unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 286, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 282, negative conditional: 56, negative unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 49, positive: 11, positive conditional: 1, positive unconditional: 10, negative: 38, negative conditional: 7, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 155, positive: 67, positive conditional: 3, positive unconditional: 63, negative: 89, negative conditional: 14, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 286, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 275, negative conditional: 49, negative unconditional: 226, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1319, Positive cache size: 1281, Positive conditional cache size: 1, Positive unconditional cache size: 1280, Negative cache size: 38, Negative conditional cache size: 7, Negative unconditional cache size: 31, Eliminated conditions: 107, SemanticConditionEliminator.Independence Queries: [ total: 286, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 282, negative conditional: 56, negative unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 286, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 282, negative conditional: 56, negative unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 49, positive: 11, positive conditional: 1, positive unconditional: 10, negative: 38, negative conditional: 7, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 155, positive: 67, positive conditional: 3, positive unconditional: 63, negative: 89, negative conditional: 14, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 286, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 275, negative conditional: 49, negative unconditional: 226, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1319, Positive cache size: 1281, Positive conditional cache size: 1, Positive unconditional cache size: 1280, Negative cache size: 38, Negative conditional cache size: 7, Negative unconditional cache size: 31, Eliminated conditions: 107, SemanticConditionEliminator.Independence Queries: [ total: 286, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 282, negative conditional: 56, negative unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 286, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 282, negative conditional: 56, negative unconditional: 226, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 49, positive: 11, positive conditional: 1, positive unconditional: 10, negative: 38, negative conditional: 7, negative unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 155, positive: 67, positive conditional: 3, positive unconditional: 63, negative: 89, negative conditional: 14, negative unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 286, positive: 3, positive conditional: 3, positive unconditional: 0, negative: 275, negative conditional: 49, negative unconditional: 226, unknown: 8, unknown conditional: 8, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 1319, Positive cache size: 1281, Positive conditional cache size: 1, Positive unconditional cache size: 1280, Negative cache size: 38, Negative conditional cache size: 7, Negative unconditional cache size: 31, Eliminated conditions: 107 ], 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: 1392.6ms, OverallIterations: 3, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 17.8ms, PartialOrderReductionTime: 694.3ms, 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: 16.6ms SsaConstructionTime, 99.6ms SatisfiabilityAnalysisTime, 374.3ms InterpolantComputationTime, 225 NumberOfCodeBlocks, 225 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 222 ConstructedInterpolants, 0 QuantifiedInterpolants, 780 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...