/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-New_States.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe020_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-12 12:22:33,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-12 12:22:33,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-12 12:22:33,967 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-12 12:22:33,968 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-12 12:22:33,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-12 12:22:33,977 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-12 12:22:33,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-12 12:22:33,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-12 12:22:33,998 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-12 12:22:33,999 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-12 12:22:34,001 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-12 12:22:34,001 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-12 12:22:34,005 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-12 12:22:34,007 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-12 12:22:34,009 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-12 12:22:34,010 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-12 12:22:34,015 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-12 12:22:34,022 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-12 12:22:34,029 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-12 12:22:34,034 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-12 12:22:34,035 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-12 12:22:34,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-12 12:22:34,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-12 12:22:34,042 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-11-12 12:22:34,048 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-12 12:22:34,049 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-12 12:22:34,051 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-12 12:22:34,052 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-12 12:22:34,053 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-12 12:22:34,053 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-12 12:22:34,054 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-12 12:22:34,054 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-12 12:22:34,054 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-12 12:22:34,055 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-12 12:22:34,056 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-12 12:22:34,057 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-FA-NoLbe-New_States.epf [2020-11-12 12:22:34,109 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-12 12:22:34,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-12 12:22:34,114 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-12 12:22:34,115 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-12 12:22:34,115 INFO L138 SettingsManager]: * Use SBE=true [2020-11-12 12:22:34,115 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-12 12:22:34,115 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-12 12:22:34,116 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-12 12:22:34,116 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-12 12:22:34,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-12 12:22:34,117 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-12 12:22:34,118 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-12 12:22:34,118 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-12 12:22:34,118 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-12 12:22:34,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-12 12:22:34,118 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-12 12:22:34,119 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-12 12:22:34,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-12 12:22:34,119 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-12 12:22:34,119 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-12 12:22:34,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-12 12:22:34,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 12:22:34,120 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-12 12:22:34,120 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-12 12:22:34,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-12 12:22:34,121 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-12 12:22:34,121 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-12 12:22:34,121 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-11-12 12:22:34,121 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-12 12:22:34,122 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-12 12:22:34,122 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=NEW_STATES 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-12 12:22:34,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-12 12:22:34,551 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-12 12:22:34,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-12 12:22:34,556 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-12 12:22:34,556 INFO L275 PluginConnector]: CDTParser initialized [2020-11-12 12:22:34,557 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe020_pso.opt.i [2020-11-12 12:22:34,637 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df88fd148/d0dd04bfc8e4432bbd562f05a79c4928/FLAG9e6f22aae [2020-11-12 12:22:35,468 INFO L306 CDTParser]: Found 1 translation units. [2020-11-12 12:22:35,469 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe020_pso.opt.i [2020-11-12 12:22:35,485 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df88fd148/d0dd04bfc8e4432bbd562f05a79c4928/FLAG9e6f22aae [2020-11-12 12:22:35,701 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/df88fd148/d0dd04bfc8e4432bbd562f05a79c4928 [2020-11-12 12:22:35,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-12 12:22:35,713 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-12 12:22:35,715 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-12 12:22:35,715 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-12 12:22:35,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-12 12:22:35,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:22:35" (1/1) ... [2020-11-12 12:22:35,726 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cf3842e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:22:35, skipping insertion in model container [2020-11-12 12:22:35,726 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:22:35" (1/1) ... [2020-11-12 12:22:35,735 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-12 12:22:35,809 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-12 12:22:36,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 12:22:36,264 INFO L203 MainTranslator]: Completed pre-run [2020-11-12 12:22:36,313 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 12:22:36,433 INFO L208 MainTranslator]: Completed translation [2020-11-12 12:22:36,434 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:22:36 WrapperNode [2020-11-12 12:22:36,435 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-12 12:22:36,437 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-12 12:22:36,437 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-12 12:22:36,438 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-12 12:22:36,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:22:36" (1/1) ... [2020-11-12 12:22:36,469 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:22:36" (1/1) ... [2020-11-12 12:22:36,494 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-12 12:22:36,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-12 12:22:36,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-12 12:22:36,496 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-12 12:22:36,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:22:36" (1/1) ... [2020-11-12 12:22:36,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:22:36" (1/1) ... [2020-11-12 12:22:36,510 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:22:36" (1/1) ... [2020-11-12 12:22:36,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:22:36" (1/1) ... [2020-11-12 12:22:36,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:22:36" (1/1) ... [2020-11-12 12:22:36,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:22:36" (1/1) ... [2020-11-12 12:22:36,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:22:36" (1/1) ... [2020-11-12 12:22:36,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-12 12:22:36,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-12 12:22:36,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-12 12:22:36,528 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-12 12:22:36,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:22:36" (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 [2020-11-12 12:22:36,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-12 12:22:36,630 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-11-12 12:22:36,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-12 12:22:36,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-12 12:22:36,630 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2020-11-12 12:22:36,631 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2020-11-12 12:22:36,631 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2020-11-12 12:22:36,631 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2020-11-12 12:22:36,631 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2020-11-12 12:22:36,631 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2020-11-12 12:22:36,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-12 12:22:36,632 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-11-12 12:22:36,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-12 12:22:36,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-12 12:22:36,634 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-12 12:22:37,281 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-12 12:22:37,281 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-12 12:22:37,284 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:22:37 BoogieIcfgContainer [2020-11-12 12:22:37,285 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-12 12:22:37,286 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-12 12:22:37,286 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-12 12:22:37,290 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-12 12:22:37,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 12:22:35" (1/3) ... [2020-11-12 12:22:37,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@305be4bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:22:37, skipping insertion in model container [2020-11-12 12:22:37,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:22:36" (2/3) ... [2020-11-12 12:22:37,292 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@305be4bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 12:22:37, skipping insertion in model container [2020-11-12 12:22:37,293 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:22:37" (3/3) ... [2020-11-12 12:22:37,294 INFO L111 eAbstractionObserver]: Analyzing ICFG safe020_pso.opt.i [2020-11-12 12:22:37,313 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-12 12:22:37,313 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-12 12:22:37,317 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-12 12:22:37,318 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-12 12:22:37,368 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,369 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,369 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,369 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,369 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,370 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,370 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,370 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,371 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,371 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,371 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,371 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,373 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,373 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,373 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,373 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,373 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,374 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,374 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,374 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,374 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,375 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,375 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,375 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,375 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,377 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,377 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,377 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,379 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,379 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,379 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,379 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,381 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,381 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,382 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,382 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,386 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,387 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,388 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,388 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,397 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,398 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,398 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,398 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,403 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,403 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,403 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,403 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 12:22:37,406 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2020-11-12 12:22:37,420 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-11-12 12:22:37,460 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-12 12:22:37,460 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-12 12:22:37,460 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-12 12:22:37,461 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-12 12:22:37,461 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-12 12:22:37,461 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-12 12:22:37,461 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-12 12:22:37,461 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-12 12:22:37,472 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 84 places, 77 transitions, 169 flow [2020-11-12 12:22:38,133 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 8447 states, 8445 states have (on average 3.5896980461811725) internal successors, (30315), 8446 states have internal predecessors, (30315), 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) [2020-11-12 12:22:39,044 WARN L455 BasicCegarLoop]: Sleep Set Reduction Time: 908ms [2020-11-12 12:22:39,130 WARN L456 BasicCegarLoop]: Sleep set: input automaton has 8447 states, 8445 states have (on average 3.5896980461811725) internal successors, (30315), 8446 states have internal predecessors, (30315), 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) [2020-11-12 12:22:39,250 WARN L457 BasicCegarLoop]: Sleep set: output automaton has 28071 states, 25628 states have (on average 1.1733260496332136) internal successors, (30070), 28070 states have internal predecessors, (30070), 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) [2020-11-12 12:22:39,287 INFO L276 IsEmpty]: Start isEmpty. Operand has 28071 states, 25628 states have (on average 1.1733260496332136) internal successors, (30070), 28070 states have internal predecessors, (30070), 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) [2020-11-12 12:22:39,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-11-12 12:22:39,312 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:22:39,313 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 12:22:39,313 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:22:39,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:22:39,320 INFO L82 PathProgramCache]: Analyzing trace with hash -736353114, now seen corresponding path program 1 times [2020-11-12 12:22:39,331 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:22:39,332 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059440686] [2020-11-12 12:22:39,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:22:39,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:22:39,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 12:22:39,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059440686] [2020-11-12 12:22:39,781 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:22:39,781 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 12:22:39,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387914278] [2020-11-12 12:22:39,785 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 12:22:39,786 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:22:39,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 12:22:39,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 12:22:39,832 INFO L87 Difference]: Start difference. First operand has 28071 states, 25628 states have (on average 1.1733260496332136) internal successors, (30070), 28070 states have internal predecessors, (30070), 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) Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 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) [2020-11-12 12:22:40,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:22:40,144 INFO L93 Difference]: Finished difference Result 11178 states and 12500 transitions. [2020-11-12 12:22:40,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 12:22:40,146 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 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) Word has length 41 [2020-11-12 12:22:40,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:22:40,184 INFO L225 Difference]: With dead ends: 11178 [2020-11-12 12:22:40,184 INFO L226 Difference]: Without dead ends: 3774 [2020-11-12 12:22:40,186 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 12:22:40,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3774 states. [2020-11-12 12:22:40,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3774 to 3774. [2020-11-12 12:22:40,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3774 states, 3564 states have (on average 1.3240740740740742) internal successors, (4719), 3773 states have internal predecessors, (4719), 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) [2020-11-12 12:22:40,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3774 states to 3774 states and 4719 transitions. [2020-11-12 12:22:40,456 INFO L78 Accepts]: Start accepts. Automaton has 3774 states and 4719 transitions. Word has length 41 [2020-11-12 12:22:40,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:22:40,457 INFO L481 AbstractCegarLoop]: Abstraction has 3774 states and 4719 transitions. [2020-11-12 12:22:40,457 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 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) [2020-11-12 12:22:40,457 INFO L276 IsEmpty]: Start isEmpty. Operand 3774 states and 4719 transitions. [2020-11-12 12:22:40,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2020-11-12 12:22:40,464 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:22:40,464 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 12:22:40,465 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-12 12:22:40,465 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:22:40,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:22:40,466 INFO L82 PathProgramCache]: Analyzing trace with hash -575359673, now seen corresponding path program 1 times [2020-11-12 12:22:40,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:22:40,466 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316651788] [2020-11-12 12:22:40,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:22:40,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:22:40,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 12:22:40,623 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316651788] [2020-11-12 12:22:40,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:22:40,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 12:22:40,624 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483147317] [2020-11-12 12:22:40,625 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 12:22:40,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:22:40,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 12:22:40,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-12 12:22:40,627 INFO L87 Difference]: Start difference. First operand 3774 states and 4719 transitions. Second operand has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 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) [2020-11-12 12:22:40,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:22:40,841 INFO L93 Difference]: Finished difference Result 5037 states and 6340 transitions. [2020-11-12 12:22:40,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-12 12:22:40,842 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 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) Word has length 43 [2020-11-12 12:22:40,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:22:40,855 INFO L225 Difference]: With dead ends: 5037 [2020-11-12 12:22:40,856 INFO L226 Difference]: Without dead ends: 2463 [2020-11-12 12:22:40,856 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2020-11-12 12:22:40,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2463 states. [2020-11-12 12:22:40,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2463 to 2463. [2020-11-12 12:22:40,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2463 states, 2323 states have (on average 1.2651743435213088) internal successors, (2939), 2462 states have internal predecessors, (2939), 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) [2020-11-12 12:22:40,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2463 states to 2463 states and 2939 transitions. [2020-11-12 12:22:40,987 INFO L78 Accepts]: Start accepts. Automaton has 2463 states and 2939 transitions. Word has length 43 [2020-11-12 12:22:40,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:22:40,988 INFO L481 AbstractCegarLoop]: Abstraction has 2463 states and 2939 transitions. [2020-11-12 12:22:40,989 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.142857142857143) internal successors, (43), 7 states have internal predecessors, (43), 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) [2020-11-12 12:22:40,989 INFO L276 IsEmpty]: Start isEmpty. Operand 2463 states and 2939 transitions. [2020-11-12 12:22:40,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-11-12 12:22:40,994 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:22:40,994 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 12:22:40,994 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-12 12:22:40,994 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:22:40,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:22:40,995 INFO L82 PathProgramCache]: Analyzing trace with hash -1567388634, now seen corresponding path program 1 times [2020-11-12 12:22:40,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:22:40,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063546887] [2020-11-12 12:22:40,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:22:41,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:22:41,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 12:22:41,202 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063546887] [2020-11-12 12:22:41,203 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:22:41,203 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 12:22:41,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [598163469] [2020-11-12 12:22:41,204 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 12:22:41,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:22:41,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 12:22:41,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 12:22:41,208 INFO L87 Difference]: Start difference. First operand 2463 states and 2939 transitions. Second operand has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 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) [2020-11-12 12:22:41,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:22:41,354 INFO L93 Difference]: Finished difference Result 2931 states and 3371 transitions. [2020-11-12 12:22:41,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 12:22:41,354 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 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) Word has length 45 [2020-11-12 12:22:41,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:22:41,368 INFO L225 Difference]: With dead ends: 2931 [2020-11-12 12:22:41,368 INFO L226 Difference]: Without dead ends: 2323 [2020-11-12 12:22:41,369 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 12:22:41,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2323 states. [2020-11-12 12:22:41,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2323 to 2323. [2020-11-12 12:22:41,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2323 states, 2191 states have (on average 1.2446371519853947) internal successors, (2727), 2322 states have internal predecessors, (2727), 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) [2020-11-12 12:22:41,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2323 states to 2323 states and 2727 transitions. [2020-11-12 12:22:41,432 INFO L78 Accepts]: Start accepts. Automaton has 2323 states and 2727 transitions. Word has length 45 [2020-11-12 12:22:41,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:22:41,433 INFO L481 AbstractCegarLoop]: Abstraction has 2323 states and 2727 transitions. [2020-11-12 12:22:41,433 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.5) internal successors, (45), 6 states have internal predecessors, (45), 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) [2020-11-12 12:22:41,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2323 states and 2727 transitions. [2020-11-12 12:22:41,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-11-12 12:22:41,439 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:22:41,439 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 12:22:41,439 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-12 12:22:41,439 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:22:41,441 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:22:41,441 INFO L82 PathProgramCache]: Analyzing trace with hash -630167943, now seen corresponding path program 1 times [2020-11-12 12:22:41,441 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:22:41,443 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520196826] [2020-11-12 12:22:41,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:22:41,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:22:41,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 12:22:41,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520196826] [2020-11-12 12:22:41,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:22:41,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 12:22:41,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910798560] [2020-11-12 12:22:41,599 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 12:22:41,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:22:41,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 12:22:41,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 12:22:41,600 INFO L87 Difference]: Start difference. First operand 2323 states and 2727 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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) [2020-11-12 12:22:41,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:22:41,788 INFO L93 Difference]: Finished difference Result 3895 states and 4288 transitions. [2020-11-12 12:22:41,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 12:22:41,792 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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) Word has length 46 [2020-11-12 12:22:41,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:22:41,814 INFO L225 Difference]: With dead ends: 3895 [2020-11-12 12:22:41,814 INFO L226 Difference]: Without dead ends: 2351 [2020-11-12 12:22:41,815 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 12:22:41,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2351 states. [2020-11-12 12:22:41,863 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2351 to 1775. [2020-11-12 12:22:41,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1775 states, 1675 states have (on average 1.2453731343283583) internal successors, (2086), 1774 states have internal predecessors, (2086), 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) [2020-11-12 12:22:41,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1775 states and 2086 transitions. [2020-11-12 12:22:41,872 INFO L78 Accepts]: Start accepts. Automaton has 1775 states and 2086 transitions. Word has length 46 [2020-11-12 12:22:41,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:22:41,874 INFO L481 AbstractCegarLoop]: Abstraction has 1775 states and 2086 transitions. [2020-11-12 12:22:41,874 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 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) [2020-11-12 12:22:41,875 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2086 transitions. [2020-11-12 12:22:41,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-11-12 12:22:41,879 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:22:41,879 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 12:22:41,879 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-12 12:22:41,879 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:22:41,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:22:41,880 INFO L82 PathProgramCache]: Analyzing trace with hash -226280473, now seen corresponding path program 1 times [2020-11-12 12:22:41,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:22:41,881 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [140315176] [2020-11-12 12:22:41,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:22:41,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:22:42,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 12:22:42,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [140315176] [2020-11-12 12:22:42,060 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:22:42,060 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-11-12 12:22:42,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140725735] [2020-11-12 12:22:42,061 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-11-12 12:22:42,061 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:22:42,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-11-12 12:22:42,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-11-12 12:22:42,062 INFO L87 Difference]: Start difference. First operand 1775 states and 2086 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 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) [2020-11-12 12:22:42,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:22:42,186 INFO L93 Difference]: Finished difference Result 2144 states and 2412 transitions. [2020-11-12 12:22:42,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-11-12 12:22:42,187 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 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) Word has length 47 [2020-11-12 12:22:42,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:22:42,196 INFO L225 Difference]: With dead ends: 2144 [2020-11-12 12:22:42,196 INFO L226 Difference]: Without dead ends: 1680 [2020-11-12 12:22:42,196 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2020-11-12 12:22:42,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1680 states. [2020-11-12 12:22:42,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1680 to 1680. [2020-11-12 12:22:42,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1680 states, 1584 states have (on average 1.2291666666666667) internal successors, (1947), 1679 states have internal predecessors, (1947), 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) [2020-11-12 12:22:42,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1680 states to 1680 states and 1947 transitions. [2020-11-12 12:22:42,240 INFO L78 Accepts]: Start accepts. Automaton has 1680 states and 1947 transitions. Word has length 47 [2020-11-12 12:22:42,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:22:42,242 INFO L481 AbstractCegarLoop]: Abstraction has 1680 states and 1947 transitions. [2020-11-12 12:22:42,242 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 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) [2020-11-12 12:22:42,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1680 states and 1947 transitions. [2020-11-12 12:22:42,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-11-12 12:22:42,248 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:22:42,248 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 12:22:42,248 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-12 12:22:42,248 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:22:42,249 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:22:42,249 INFO L82 PathProgramCache]: Analyzing trace with hash -1192978583, now seen corresponding path program 1 times [2020-11-12 12:22:42,249 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:22:42,250 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679740683] [2020-11-12 12:22:42,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:22:42,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:22:42,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 12:22:42,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679740683] [2020-11-12 12:22:42,433 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:22:42,433 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 12:22:42,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393758643] [2020-11-12 12:22:42,435 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 12:22:42,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:22:42,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 12:22:42,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-11-12 12:22:42,436 INFO L87 Difference]: Start difference. First operand 1680 states and 1947 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 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) [2020-11-12 12:22:42,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:22:42,633 INFO L93 Difference]: Finished difference Result 1710 states and 1883 transitions. [2020-11-12 12:22:42,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-11-12 12:22:42,634 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 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) Word has length 48 [2020-11-12 12:22:42,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:22:42,640 INFO L225 Difference]: With dead ends: 1710 [2020-11-12 12:22:42,641 INFO L226 Difference]: Without dead ends: 1198 [2020-11-12 12:22:42,641 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2020-11-12 12:22:42,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1198 states. [2020-11-12 12:22:42,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1198 to 1198. [2020-11-12 12:22:42,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1198 states, 1126 states have (on average 1.1642984014209592) internal successors, (1311), 1197 states have internal predecessors, (1311), 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) [2020-11-12 12:22:42,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1198 states to 1198 states and 1311 transitions. [2020-11-12 12:22:42,674 INFO L78 Accepts]: Start accepts. Automaton has 1198 states and 1311 transitions. Word has length 48 [2020-11-12 12:22:42,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:22:42,674 INFO L481 AbstractCegarLoop]: Abstraction has 1198 states and 1311 transitions. [2020-11-12 12:22:42,674 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 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) [2020-11-12 12:22:42,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1311 transitions. [2020-11-12 12:22:42,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-11-12 12:22:42,677 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:22:42,678 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 12:22:42,678 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-12 12:22:42,678 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:22:42,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:22:42,679 INFO L82 PathProgramCache]: Analyzing trace with hash 851188680, now seen corresponding path program 1 times [2020-11-12 12:22:42,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:22:42,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048440824] [2020-11-12 12:22:42,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:22:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:22:42,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 12:22:42,852 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048440824] [2020-11-12 12:22:42,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:22:42,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-12 12:22:42,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561145887] [2020-11-12 12:22:42,854 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-12 12:22:42,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:22:42,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-12 12:22:42,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-12 12:22:42,855 INFO L87 Difference]: Start difference. First operand 1198 states and 1311 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 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) [2020-11-12 12:22:43,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:22:43,051 INFO L93 Difference]: Finished difference Result 847 states and 879 transitions. [2020-11-12 12:22:43,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-11-12 12:22:43,052 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 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) Word has length 50 [2020-11-12 12:22:43,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:22:43,055 INFO L225 Difference]: With dead ends: 847 [2020-11-12 12:22:43,055 INFO L226 Difference]: Without dead ends: 427 [2020-11-12 12:22:43,055 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=149, Unknown=0, NotChecked=0, Total=210 [2020-11-12 12:22:43,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2020-11-12 12:22:43,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 427. [2020-11-12 12:22:43,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 427 states, 400 states have (on average 1.065) internal successors, (426), 426 states have internal predecessors, (426), 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) [2020-11-12 12:22:43,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 426 transitions. [2020-11-12 12:22:43,068 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 426 transitions. Word has length 50 [2020-11-12 12:22:43,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:22:43,068 INFO L481 AbstractCegarLoop]: Abstraction has 427 states and 426 transitions. [2020-11-12 12:22:43,069 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 8 states have internal predecessors, (50), 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) [2020-11-12 12:22:43,069 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 426 transitions. [2020-11-12 12:22:43,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-11-12 12:22:43,070 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 12:22:43,070 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 12:22:43,071 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-12 12:22:43,071 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 12:22:43,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 12:22:43,071 INFO L82 PathProgramCache]: Analyzing trace with hash 1425759617, now seen corresponding path program 1 times [2020-11-12 12:22:43,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 12:22:43,072 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373186682] [2020-11-12 12:22:43,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 12:22:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 12:22:43,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 12:22:43,182 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373186682] [2020-11-12 12:22:43,182 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 12:22:43,182 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 12:22:43,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1816440546] [2020-11-12 12:22:43,183 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 12:22:43,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 12:22:43,183 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 12:22:43,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-11-12 12:22:43,184 INFO L87 Difference]: Start difference. First operand 427 states and 426 transitions. Second operand has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 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) [2020-11-12 12:22:43,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 12:22:43,281 INFO L93 Difference]: Finished difference Result 319 states and 318 transitions. [2020-11-12 12:22:43,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-12 12:22:43,282 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 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) Word has length 52 [2020-11-12 12:22:43,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 12:22:43,282 INFO L225 Difference]: With dead ends: 319 [2020-11-12 12:22:43,282 INFO L226 Difference]: Without dead ends: 0 [2020-11-12 12:22:43,283 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-11-12 12:22:43,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-12 12:22:43,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-12 12:22:43,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2020-11-12 12:22:43,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-12 12:22:43,284 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 52 [2020-11-12 12:22:43,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 12:22:43,284 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-12 12:22:43,285 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 7.428571428571429) internal successors, (52), 7 states have internal predecessors, (52), 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) [2020-11-12 12:22:43,285 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-12 12:22:43,285 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-12 12:22:43,285 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-12 12:22:43,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 12:22:43 BasicIcfg [2020-11-12 12:22:43,291 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-12 12:22:43,294 INFO L168 Benchmark]: Toolchain (without parser) took 7586.40 ms. Allocated memory was 302.0 MB in the beginning and 1.1 GB in the end (delta: 820.0 MB). Free memory was 277.4 MB in the beginning and 928.6 MB in the end (delta: -651.2 MB). Peak memory consumption was 171.2 MB. Max. memory is 16.0 GB. [2020-11-12 12:22:43,295 INFO L168 Benchmark]: CDTParser took 0.79 ms. Allocated memory is still 302.0 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 12:22:43,296 INFO L168 Benchmark]: CACSL2BoogieTranslator took 720.28 ms. Allocated memory is still 302.0 MB. Free memory was 276.6 MB in the beginning and 246.0 MB in the end (delta: 30.6 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. [2020-11-12 12:22:43,297 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.60 ms. Allocated memory is still 302.0 MB. Free memory was 246.0 MB in the beginning and 244.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 12:22:43,298 INFO L168 Benchmark]: Boogie Preprocessor took 31.26 ms. Allocated memory is still 302.0 MB. Free memory was 244.0 MB in the beginning and 242.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 12:22:43,298 INFO L168 Benchmark]: RCFGBuilder took 756.93 ms. Allocated memory is still 302.0 MB. Free memory was 242.6 MB in the beginning and 264.7 MB in the end (delta: -22.1 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.0 GB. [2020-11-12 12:22:43,300 INFO L168 Benchmark]: TraceAbstraction took 6005.10 ms. Allocated memory was 302.0 MB in the beginning and 1.1 GB in the end (delta: 820.0 MB). Free memory was 263.7 MB in the beginning and 928.6 MB in the end (delta: -664.9 MB). Peak memory consumption was 156.2 MB. Max. memory is 16.0 GB. [2020-11-12 12:22:43,304 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.79 ms. Allocated memory is still 302.0 MB. Free memory is still 272.3 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 720.28 ms. Allocated memory is still 302.0 MB. Free memory was 276.6 MB in the beginning and 246.0 MB in the end (delta: 30.6 MB). Peak memory consumption was 31.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 57.60 ms. Allocated memory is still 302.0 MB. Free memory was 246.0 MB in the beginning and 244.0 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 31.26 ms. Allocated memory is still 302.0 MB. Free memory was 244.0 MB in the beginning and 242.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 756.93 ms. Allocated memory is still 302.0 MB. Free memory was 242.6 MB in the beginning and 264.7 MB in the end (delta: -22.1 MB). Peak memory consumption was 6.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 6005.10 ms. Allocated memory was 302.0 MB in the beginning and 1.1 GB in the end (delta: 820.0 MB). Free memory was 263.7 MB in the beginning and 928.6 MB in the end (delta: -664.9 MB). Peak memory consumption was 156.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 17]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 75 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.8s, OverallIterations: 8, TraceHistogramMax: 1, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.7s, HoareTripleCheckerStatistics: 489 SDtfs, 621 SDslu, 1852 SDs, 0 SdLazy, 221 SolverSat, 33 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28071occurred 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: 0.5s AutomataMinimizationTime, 8 MinimizatonAttempts, 576 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 372 NumberOfCodeBlocks, 372 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 364 ConstructedInterpolants, 0 QuantifiedInterpolants, 46310 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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...