/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-ext/19_time_var_mutex.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 21:38:36,040 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 21:38:36,042 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 21:38:36,076 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 21:38:36,077 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 21:38:36,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 21:38:36,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 21:38:36,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 21:38:36,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 21:38:36,094 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 21:38:36,095 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 21:38:36,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 21:38:36,098 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 21:38:36,100 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 21:38:36,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 21:38:36,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 21:38:36,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 21:38:36,108 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 21:38:36,109 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 21:38:36,117 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 21:38:36,119 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 21:38:36,120 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 21:38:36,121 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 21:38:36,122 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 21:38:36,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-21 21:38:36,125 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-21 21:38:36,126 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-21 21:38:36,127 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-21 21:38:36,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-21 21:38:36,131 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-21 21:38:36,131 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 21:38:36,132 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 21:38:36,133 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 21:38:36,137 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 21:38:36,137 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 21:38:36,137 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 21:38:36,138 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 21:38:36,138 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 21:38:36,138 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 21:38:36,140 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 21:38:36,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 21:38:36,142 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-21 21:38:36,183 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 21:38:36,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 21:38:36,185 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 21:38:36,185 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 21:38:36,186 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 21:38:36,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 21:38:36,186 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 21:38:36,186 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 21:38:36,187 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 21:38:36,187 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 21:38:36,188 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 21:38:36,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 21:38:36,188 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 21:38:36,188 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 21:38:36,189 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 21:38:36,189 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 21:38:36,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 21:38:36,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 21:38:36,190 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 21:38:36,190 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 21:38:36,190 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 21:38:36,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 21:38:36,191 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 21:38:36,191 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-21 21:38:36,191 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 21:38:36,191 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 21:38:36,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 21:38:36,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 21:38:36,192 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-21 21:38:36,192 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-21 21:38:36,515 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 21:38:36,530 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 21:38:36,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 21:38:36,534 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 21:38:36,535 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 21:38:36,536 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/19_time_var_mutex.i [2020-10-21 21:38:36,595 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b71febf97/4ada144a046d4c548a88f2a6d7b8c53a/FLAG5b04d7da7 [2020-10-21 21:38:37,191 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 21:38:37,192 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/19_time_var_mutex.i [2020-10-21 21:38:37,215 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b71febf97/4ada144a046d4c548a88f2a6d7b8c53a/FLAG5b04d7da7 [2020-10-21 21:38:37,437 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b71febf97/4ada144a046d4c548a88f2a6d7b8c53a [2020-10-21 21:38:37,445 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 21:38:37,452 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 21:38:37,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 21:38:37,454 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 21:38:37,457 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 21:38:37,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 09:38:37" (1/1) ... [2020-10-21 21:38:37,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5789c24f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:38:37, skipping insertion in model container [2020-10-21 21:38:37,462 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 09:38:37" (1/1) ... [2020-10-21 21:38:37,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 21:38:37,530 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 21:38:37,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 21:38:37,995 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 21:38:38,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 21:38:38,135 INFO L208 MainTranslator]: Completed translation [2020-10-21 21:38:38,136 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:38:38 WrapperNode [2020-10-21 21:38:38,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 21:38:38,138 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 21:38:38,138 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 21:38:38,138 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 21:38:38,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:38:38" (1/1) ... [2020-10-21 21:38:38,191 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:38:38" (1/1) ... [2020-10-21 21:38:38,230 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 21:38:38,231 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 21:38:38,231 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 21:38:38,231 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 21:38:38,241 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:38:38" (1/1) ... [2020-10-21 21:38:38,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:38:38" (1/1) ... [2020-10-21 21:38:38,248 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:38:38" (1/1) ... [2020-10-21 21:38:38,249 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:38:38" (1/1) ... [2020-10-21 21:38:38,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:38:38" (1/1) ... [2020-10-21 21:38:38,267 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:38:38" (1/1) ... [2020-10-21 21:38:38,274 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:38:38" (1/1) ... [2020-10-21 21:38:38,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 21:38:38,284 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 21:38:38,285 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 21:38:38,285 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 21:38:38,286 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:38:38" (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 [2020-10-21 21:38:38,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-21 21:38:38,361 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-21 21:38:38,361 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-21 21:38:38,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 21:38:38,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 21:38:38,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 21:38:38,362 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 21:38:38,362 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 21:38:38,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 21:38:38,364 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-21 21:38:39,208 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 21:38:39,208 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-10-21 21:38:39,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 09:38:39 BoogieIcfgContainer [2020-10-21 21:38:39,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 21:38:39,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 21:38:39,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 21:38:39,216 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 21:38:39,217 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 09:38:37" (1/3) ... [2020-10-21 21:38:39,217 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5298fa64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 09:38:39, skipping insertion in model container [2020-10-21 21:38:39,218 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:38:38" (2/3) ... [2020-10-21 21:38:39,218 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5298fa64 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 09:38:39, skipping insertion in model container [2020-10-21 21:38:39,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 09:38:39" (3/3) ... [2020-10-21 21:38:39,221 INFO L111 eAbstractionObserver]: Analyzing ICFG 19_time_var_mutex.i [2020-10-21 21:38:39,233 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 21:38:39,234 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-21 21:38:39,242 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-21 21:38:39,243 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 21:38:39,268 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,269 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,269 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,269 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,270 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,270 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,270 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,270 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,270 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,270 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,271 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,271 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,271 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,272 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,272 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,272 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,272 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,272 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,273 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,273 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,273 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,273 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,274 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,274 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,274 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,274 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,274 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,275 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,275 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,275 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,275 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,275 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,275 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,276 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,276 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,276 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,277 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,277 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,281 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,281 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,281 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,282 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,282 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,282 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,282 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,283 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_#in~m.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,283 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,286 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,286 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_release_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,287 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_acquire_~m.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,287 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#in~m.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,287 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,287 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0___VERIFIER_atomic_release_~m.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,287 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,287 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_release_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,288 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_reach_error_#t~nondet2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:38:39,292 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-10-21 21:38:39,306 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-21 21:38:39,326 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 21:38:39,326 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 21:38:39,326 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-21 21:38:39,327 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 21:38:39,327 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 21:38:39,327 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 21:38:39,327 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 21:38:39,327 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 21:38:39,341 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-21 21:38:39,343 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 68 transitions, 141 flow [2020-10-21 21:38:39,346 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 66 places, 68 transitions, 141 flow [2020-10-21 21:38:39,348 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 66 places, 68 transitions, 141 flow [2020-10-21 21:38:39,387 INFO L129 PetriNetUnfolder]: 6/67 cut-off events. [2020-10-21 21:38:39,387 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-21 21:38:39,393 INFO L80 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 67 events. 6/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 97 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 48. Up to 3 conditions per place. [2020-10-21 21:38:39,395 INFO L116 LiptonReduction]: Number of co-enabled transitions 1134 [2020-10-21 21:38:41,660 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2020-10-21 21:38:41,764 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2020-10-21 21:38:42,398 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 88 [2020-10-21 21:38:42,548 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2020-10-21 21:38:42,692 INFO L131 LiptonReduction]: Checked pairs total: 2762 [2020-10-21 21:38:42,692 INFO L133 LiptonReduction]: Total number of compositions: 74 [2020-10-21 21:38:42,699 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 21 places, 21 transitions, 47 flow [2020-10-21 21:38:42,712 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 65 states. [2020-10-21 21:38:42,714 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states. [2020-10-21 21:38:42,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-21 21:38:42,721 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:38:42,722 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-21 21:38:42,723 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:38:42,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:38:42,729 INFO L82 PathProgramCache]: Analyzing trace with hash 471201578, now seen corresponding path program 1 times [2020-10-21 21:38:42,739 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:38:42,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92489385] [2020-10-21 21:38:42,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:38:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:38:42,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:38:42,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92489385] [2020-10-21 21:38:42,973 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:38:42,973 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 21:38:42,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755926130] [2020-10-21 21:38:42,979 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 21:38:42,979 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:38:42,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 21:38:42,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:38:42,997 INFO L87 Difference]: Start difference. First operand 65 states. Second operand 3 states. [2020-10-21 21:38:43,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:38:43,037 INFO L93 Difference]: Finished difference Result 72 states and 127 transitions. [2020-10-21 21:38:43,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 21:38:43,039 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-21 21:38:43,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:38:43,051 INFO L225 Difference]: With dead ends: 72 [2020-10-21 21:38:43,051 INFO L226 Difference]: Without dead ends: 56 [2020-10-21 21:38:43,053 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:38:43,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-10-21 21:38:43,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 52. [2020-10-21 21:38:43,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-21 21:38:43,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 96 transitions. [2020-10-21 21:38:43,096 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 96 transitions. Word has length 5 [2020-10-21 21:38:43,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:38:43,098 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 96 transitions. [2020-10-21 21:38:43,098 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 21:38:43,098 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 96 transitions. [2020-10-21 21:38:43,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-21 21:38:43,099 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:38:43,099 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-21 21:38:43,100 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 21:38:43,100 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:38:43,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:38:43,100 INFO L82 PathProgramCache]: Analyzing trace with hash 471188550, now seen corresponding path program 1 times [2020-10-21 21:38:43,101 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:38:43,101 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480741607] [2020-10-21 21:38:43,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:38:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:38:43,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:38:43,178 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480741607] [2020-10-21 21:38:43,179 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:38:43,179 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 21:38:43,179 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104245547] [2020-10-21 21:38:43,181 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 21:38:43,181 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:38:43,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 21:38:43,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:38:43,182 INFO L87 Difference]: Start difference. First operand 52 states and 96 transitions. Second operand 3 states. [2020-10-21 21:38:43,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:38:43,204 INFO L93 Difference]: Finished difference Result 52 states and 90 transitions. [2020-10-21 21:38:43,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 21:38:43,205 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2020-10-21 21:38:43,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:38:43,207 INFO L225 Difference]: With dead ends: 52 [2020-10-21 21:38:43,207 INFO L226 Difference]: Without dead ends: 52 [2020-10-21 21:38:43,208 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:38:43,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-10-21 21:38:43,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-10-21 21:38:43,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-10-21 21:38:43,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 90 transitions. [2020-10-21 21:38:43,226 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 90 transitions. Word has length 5 [2020-10-21 21:38:43,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:38:43,226 INFO L481 AbstractCegarLoop]: Abstraction has 52 states and 90 transitions. [2020-10-21 21:38:43,226 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 21:38:43,226 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 90 transitions. [2020-10-21 21:38:43,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2020-10-21 21:38:43,227 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:38:43,227 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:38:43,228 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 21:38:43,228 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:38:43,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:38:43,228 INFO L82 PathProgramCache]: Analyzing trace with hash 1212975160, now seen corresponding path program 1 times [2020-10-21 21:38:43,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:38:43,229 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2071562306] [2020-10-21 21:38:43,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:38:43,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:38:43,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:38:43,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2071562306] [2020-10-21 21:38:43,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:38:43,340 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-21 21:38:43,340 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497562047] [2020-10-21 21:38:43,340 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 21:38:43,341 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:38:43,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 21:38:43,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:38:43,341 INFO L87 Difference]: Start difference. First operand 52 states and 90 transitions. Second operand 3 states. [2020-10-21 21:38:43,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:38:43,363 INFO L93 Difference]: Finished difference Result 49 states and 80 transitions. [2020-10-21 21:38:43,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 21:38:43,364 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2020-10-21 21:38:43,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:38:43,365 INFO L225 Difference]: With dead ends: 49 [2020-10-21 21:38:43,366 INFO L226 Difference]: Without dead ends: 31 [2020-10-21 21:38:43,366 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:38:43,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2020-10-21 21:38:43,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2020-10-21 21:38:43,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2020-10-21 21:38:43,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 42 transitions. [2020-10-21 21:38:43,371 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 42 transitions. Word has length 8 [2020-10-21 21:38:43,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:38:43,372 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 42 transitions. [2020-10-21 21:38:43,372 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 21:38:43,372 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2020-10-21 21:38:43,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-21 21:38:43,373 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:38:43,373 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:38:43,373 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-21 21:38:43,373 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:38:43,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:38:43,374 INFO L82 PathProgramCache]: Analyzing trace with hash -1445548372, now seen corresponding path program 1 times [2020-10-21 21:38:43,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:38:43,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958767616] [2020-10-21 21:38:43,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:38:43,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:38:43,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:38:43,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958767616] [2020-10-21 21:38:43,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:38:43,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-21 21:38:43,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1371502408] [2020-10-21 21:38:43,495 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-21 21:38:43,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:38:43,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-21 21:38:43,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-21 21:38:43,496 INFO L87 Difference]: Start difference. First operand 31 states and 42 transitions. Second operand 6 states. [2020-10-21 21:38:43,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:38:43,575 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2020-10-21 21:38:43,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-21 21:38:43,575 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2020-10-21 21:38:43,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:38:43,576 INFO L225 Difference]: With dead ends: 27 [2020-10-21 21:38:43,576 INFO L226 Difference]: Without dead ends: 23 [2020-10-21 21:38:43,576 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-10-21 21:38:43,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-10-21 21:38:43,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-10-21 21:38:43,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-10-21 21:38:43,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2020-10-21 21:38:43,582 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 10 [2020-10-21 21:38:43,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:38:43,583 INFO L481 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2020-10-21 21:38:43,583 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-21 21:38:43,583 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2020-10-21 21:38:43,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2020-10-21 21:38:43,584 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:38:43,584 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:38:43,584 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-21 21:38:43,584 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:38:43,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:38:43,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1735106384, now seen corresponding path program 2 times [2020-10-21 21:38:43,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:38:43,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [268208710] [2020-10-21 21:38:43,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:38:43,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:38:43,658 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:38:43,658 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [268208710] [2020-10-21 21:38:43,659 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:38:43,659 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 21:38:43,659 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549946352] [2020-10-21 21:38:43,659 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 21:38:43,660 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:38:43,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 21:38:43,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:38:43,660 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand 3 states. [2020-10-21 21:38:43,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:38:43,666 INFO L93 Difference]: Finished difference Result 8 states and 7 transitions. [2020-10-21 21:38:43,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 21:38:43,667 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2020-10-21 21:38:43,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:38:43,667 INFO L225 Difference]: With dead ends: 8 [2020-10-21 21:38:43,668 INFO L226 Difference]: Without dead ends: 0 [2020-10-21 21:38:43,668 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:38:43,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-21 21:38:43,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-21 21:38:43,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-21 21:38:43,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-21 21:38:43,669 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 10 [2020-10-21 21:38:43,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:38:43,669 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-21 21:38:43,669 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 21:38:43,670 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-21 21:38:43,670 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-21 21:38:43,670 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-21 21:38:43,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 09:38:43 BasicIcfg [2020-10-21 21:38:43,674 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 21:38:43,676 INFO L168 Benchmark]: Toolchain (without parser) took 6229.35 ms. Allocated memory was 139.5 MB in the beginning and 295.7 MB in the end (delta: 156.2 MB). Free memory was 100.8 MB in the beginning and 238.7 MB in the end (delta: -137.9 MB). Peak memory consumption was 18.4 MB. Max. memory is 7.1 GB. [2020-10-21 21:38:43,677 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-10-21 21:38:43,678 INFO L168 Benchmark]: CACSL2BoogieTranslator took 683.94 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 99.8 MB in the beginning and 157.7 MB in the end (delta: -57.9 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2020-10-21 21:38:43,679 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.36 ms. Allocated memory is still 202.4 MB. Free memory was 157.7 MB in the beginning and 155.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-21 21:38:43,679 INFO L168 Benchmark]: Boogie Preprocessor took 49.86 ms. Allocated memory is still 202.4 MB. Free memory was 155.7 MB in the beginning and 153.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-21 21:38:43,680 INFO L168 Benchmark]: RCFGBuilder took 926.99 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 153.6 MB in the beginning and 199.4 MB in the end (delta: -45.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 7.1 GB. [2020-10-21 21:38:43,681 INFO L168 Benchmark]: TraceAbstraction took 4461.93 ms. Allocated memory was 235.4 MB in the beginning and 295.7 MB in the end (delta: 60.3 MB). Free memory was 199.4 MB in the beginning and 238.7 MB in the end (delta: -39.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2020-10-21 21:38:43,686 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 121.0 MB in the beginning and 120.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 683.94 ms. Allocated memory was 139.5 MB in the beginning and 202.4 MB in the end (delta: 62.9 MB). Free memory was 99.8 MB in the beginning and 157.7 MB in the end (delta: -57.9 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 92.36 ms. Allocated memory is still 202.4 MB. Free memory was 157.7 MB in the beginning and 155.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.86 ms. Allocated memory is still 202.4 MB. Free memory was 155.7 MB in the beginning and 153.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 926.99 ms. Allocated memory was 202.4 MB in the beginning and 235.4 MB in the end (delta: 33.0 MB). Free memory was 153.6 MB in the beginning and 199.4 MB in the end (delta: -45.8 MB). Peak memory consumption was 70.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4461.93 ms. Allocated memory was 235.4 MB in the beginning and 295.7 MB in the end (delta: 60.3 MB). Free memory was 199.4 MB in the beginning and 238.7 MB in the end (delta: -39.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 836 VarBasedMoverChecksPositive, 104 VarBasedMoverChecksNegative, 60 SemBasedMoverChecksPositive, 44 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 95 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.3s, 66 PlacesBefore, 21 PlacesAfterwards, 68 TransitionsBefore, 21 TransitionsAfterwards, 1134 CoEnabledTransitionPairs, 7 FixpointIterations, 17 TrivialSequentialCompositions, 39 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 16 ConcurrentYvCompositions, 2 ChoiceCompositions, 74 TotalNumberOfCompositions, 2762 MoverChecksTotal - PositiveResult [Line: 16]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 16]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 63 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 4.3s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.3s, HoareTripleCheckerStatistics: 72 SDtfs, 50 SDslu, 36 SDs, 0 SdLazy, 45 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=65occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 5 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 542 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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 RESULT: Ultimate proved your program to be correct! Received shutdown request...