/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-wmm/thin002_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 15:51:17,417 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 15:51:17,419 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 15:51:17,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-16 15:51:17,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-16 15:51:17,473 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-16 15:51:17,477 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-16 15:51:17,482 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-16 15:51:17,484 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-16 15:51:17,488 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-16 15:51:17,489 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-16 15:51:17,489 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-16 15:51:17,490 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-16 15:51:17,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-16 15:51:17,491 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-16 15:51:17,491 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-16 15:51:17,492 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-16 15:51:17,492 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-16 15:51:17,493 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-16 15:51:17,494 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-16 15:51:17,495 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-16 15:51:17,497 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-16 15:51:17,500 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-16 15:51:17,502 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-16 15:51:17,509 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-16 15:51:17,509 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-16 15:51:17,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-16 15:51:17,510 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-16 15:51:17,511 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-16 15:51:17,511 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-16 15:51:17,512 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-16 15:51:17,513 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-16 15:51:17,520 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-16 15:51:17,520 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-16 15:51:17,521 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-16 15:51:17,521 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-16 15:51:17,524 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-16 15:51:17,524 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-16 15:51:17,524 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-16 15:51:17,524 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-16 15:51:17,525 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-16 15:51:17,526 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-Delay.epf [2021-06-16 15:51:17,577 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 15:51:17,577 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 15:51:17,578 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 15:51:17,578 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 15:51:17,578 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 15:51:17,579 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 15:51:17,579 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 15:51:17,579 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 15:51:17,579 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 15:51:17,579 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 15:51:17,579 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 15:51:17,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 15:51:17,579 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 15:51:17,579 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 15:51:17,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 15:51:17,580 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 15:51:17,580 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 15:51:17,580 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 15:51:17,580 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 15:51:17,580 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 15:51:17,580 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 15:51:17,580 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 15:51:17,580 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 15:51:17,581 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 15:51:17,581 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 15:51:17,581 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 15:51:17,581 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 15:51:17,581 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 15:51:17,581 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 15:51:17,581 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-16 15:51:17,581 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 15:51:17,881 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 15:51:17,913 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 15:51:17,915 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 15:51:17,916 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-16 15:51:17,917 INFO L275 PluginConnector]: CDTParser initialized [2021-06-16 15:51:17,918 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/thin002_pso.opt.i [2021-06-16 15:51:17,963 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c557d4509/17222348d0bc4adbb9281cec34b165fa/FLAG87b42de76 [2021-06-16 15:51:18,450 INFO L306 CDTParser]: Found 1 translation units. [2021-06-16 15:51:18,450 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_pso.opt.i [2021-06-16 15:51:18,463 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c557d4509/17222348d0bc4adbb9281cec34b165fa/FLAG87b42de76 [2021-06-16 15:51:18,943 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c557d4509/17222348d0bc4adbb9281cec34b165fa [2021-06-16 15:51:18,949 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 15:51:18,950 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-16 15:51:18,953 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-16 15:51:18,953 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-16 15:51:18,955 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-16 15:51:18,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 03:51:18" (1/1) ... [2021-06-16 15:51:18,956 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d2fe14e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:51:18, skipping insertion in model container [2021-06-16 15:51:18,957 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 03:51:18" (1/1) ... [2021-06-16 15:51:18,961 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-16 15:51:18,990 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-16 15:51:19,086 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_pso.opt.i[949,962] [2021-06-16 15:51:19,251 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 15:51:19,257 INFO L203 MainTranslator]: Completed pre-run [2021-06-16 15:51:19,264 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/thin002_pso.opt.i[949,962] [2021-06-16 15:51:19,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 15:51:19,327 INFO L208 MainTranslator]: Completed translation [2021-06-16 15:51:19,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:51:19 WrapperNode [2021-06-16 15:51:19,328 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-16 15:51:19,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 15:51:19,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 15:51:19,329 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 15:51:19,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:51:19" (1/1) ... [2021-06-16 15:51:19,343 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:51:19" (1/1) ... [2021-06-16 15:51:19,356 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 15:51:19,357 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 15:51:19,357 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 15:51:19,357 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 15:51:19,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:51:19" (1/1) ... [2021-06-16 15:51:19,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:51:19" (1/1) ... [2021-06-16 15:51:19,364 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:51:19" (1/1) ... [2021-06-16 15:51:19,364 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:51:19" (1/1) ... [2021-06-16 15:51:19,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:51:19" (1/1) ... [2021-06-16 15:51:19,369 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:51:19" (1/1) ... [2021-06-16 15:51:19,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:51:19" (1/1) ... [2021-06-16 15:51:19,372 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 15:51:19,373 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 15:51:19,373 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 15:51:19,373 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 15:51:19,373 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:51:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 15:51:19,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-16 15:51:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-06-16 15:51:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-16 15:51:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-16 15:51:19,448 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-06-16 15:51:19,449 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-06-16 15:51:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-06-16 15:51:19,449 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-06-16 15:51:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-06-16 15:51:19,449 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-06-16 15:51:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-06-16 15:51:19,449 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-06-16 15:51:19,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-16 15:51:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-06-16 15:51:19,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 15:51:19,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 15:51:19,451 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 15:51:19,868 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 15:51:19,869 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-06-16 15:51:19,870 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 03:51:19 BoogieIcfgContainer [2021-06-16 15:51:19,870 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 15:51:19,871 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 15:51:19,871 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 15:51:19,874 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 15:51:19,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.06 03:51:18" (1/3) ... [2021-06-16 15:51:19,875 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4164d2d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 03:51:19, skipping insertion in model container [2021-06-16 15:51:19,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 03:51:19" (2/3) ... [2021-06-16 15:51:19,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4164d2d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 03:51:19, skipping insertion in model container [2021-06-16 15:51:19,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 03:51:19" (3/3) ... [2021-06-16 15:51:19,877 INFO L111 eAbstractionObserver]: Analyzing ICFG thin002_pso.opt.i [2021-06-16 15:51:19,881 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 15:51:19,882 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 15:51:19,882 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-16 15:51:19,882 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 15:51:19,915 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,915 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,915 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,916 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,916 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,916 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,916 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,916 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,917 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,917 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,917 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,917 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,917 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,917 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,917 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,918 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,918 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,918 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,918 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,918 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,919 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,919 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,919 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,919 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,920 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,920 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,920 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,920 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,920 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,920 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,921 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,921 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,921 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,922 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,922 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,922 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,923 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,924 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,924 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,924 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,924 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,924 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,924 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,924 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,924 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,926 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,926 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,926 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,927 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,930 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,930 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,930 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,930 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,932 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,932 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,932 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,934 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,934 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,935 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,935 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 15:51:19,936 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-16 15:51:19,951 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-06-16 15:51:19,976 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 15:51:19,976 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 15:51:19,976 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 15:51:19,976 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 15:51:19,976 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 15:51:19,977 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 15:51:19,977 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 15:51:19,977 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 15:51:29,302 INFO L276 IsEmpty]: Start isEmpty. Operand has 70046 states, 60100 states have (on average 2.583577371048253) internal successors, (155273), 70045 states have internal predecessors, (155273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:29,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-06-16 15:51:29,339 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 15:51:29,340 INFO L472 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, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 15:51:29,340 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 15:51:29,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 15:51:29,346 INFO L82 PathProgramCache]: Analyzing trace with hash -190192830, now seen corresponding path program 1 times [2021-06-16 15:51:29,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 15:51:29,352 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899393800] [2021-06-16 15:51:29,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 15:51:29,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 15:51:29,559 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:29,559 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:51:29,560 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:29,560 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:51:29,753 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-16 15:51:29,754 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-16 15:51:29,777 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-16 15:51:29,778 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-16 15:51:29,807 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:29,809 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:51:29,816 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:29,819 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:51:29,827 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:29,828 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:51:29,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 15:51:29,835 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 15:51:29,835 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899393800] [2021-06-16 15:51:29,836 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899393800] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 15:51:29,836 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 15:51:29,836 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 15:51:29,836 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1071538422] [2021-06-16 15:51:29,839 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 15:51:29,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 15:51:29,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 15:51:29,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-16 15:51:29,931 INFO L87 Difference]: Start difference. First operand has 70046 states, 60100 states have (on average 2.583577371048253) internal successors, (155273), 70045 states have internal predecessors, (155273), 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 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:30,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 15:51:30,915 INFO L93 Difference]: Finished difference Result 93713 states and 213796 transitions. [2021-06-16 15:51:30,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 15:51:30,916 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 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 59 [2021-06-16 15:51:30,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 15:51:31,039 INFO L225 Difference]: With dead ends: 93713 [2021-06-16 15:51:31,039 INFO L226 Difference]: Without dead ends: 17434 [2021-06-16 15:51:31,040 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 296.1ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-06-16 15:51:31,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17434 states. [2021-06-16 15:51:31,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17434 to 17434. [2021-06-16 15:51:31,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17434 states, 17189 states have (on average 2.4996800279248355) internal successors, (42967), 17433 states have internal predecessors, (42967), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:31,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17434 states to 17434 states and 42967 transitions. [2021-06-16 15:51:31,693 INFO L78 Accepts]: Start accepts. Automaton has 17434 states and 42967 transitions. Word has length 59 [2021-06-16 15:51:31,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 15:51:31,694 INFO L482 AbstractCegarLoop]: Abstraction has 17434 states and 42967 transitions. [2021-06-16 15:51:31,694 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 7 states have internal predecessors, (59), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:31,694 INFO L276 IsEmpty]: Start isEmpty. Operand 17434 states and 42967 transitions. [2021-06-16 15:51:31,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-06-16 15:51:31,704 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 15:51:31,704 INFO L472 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 15:51:31,705 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 15:51:31,705 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 15:51:31,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 15:51:31,705 INFO L82 PathProgramCache]: Analyzing trace with hash -1037162335, now seen corresponding path program 1 times [2021-06-16 15:51:31,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 15:51:31,706 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735635970] [2021-06-16 15:51:31,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 15:51:31,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 15:51:31,766 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:31,766 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:51:31,767 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:31,767 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:51:31,770 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-16 15:51:31,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-16 15:51:31,778 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-16 15:51:31,779 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-16 15:51:31,790 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:31,791 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:51:31,797 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:31,798 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:51:31,804 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:31,805 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:51:31,805 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 15:51:31,805 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 15:51:31,805 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735635970] [2021-06-16 15:51:31,806 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735635970] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 15:51:31,806 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 15:51:31,806 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 15:51:31,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748582026] [2021-06-16 15:51:31,807 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 15:51:31,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 15:51:31,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 15:51:31,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-16 15:51:31,807 INFO L87 Difference]: Start difference. First operand 17434 states and 42967 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:32,030 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2021-06-16 15:51:32,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 15:51:32,135 INFO L93 Difference]: Finished difference Result 19394 states and 50353 transitions. [2021-06-16 15:51:32,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 15:51:32,135 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 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 61 [2021-06-16 15:51:32,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 15:51:32,176 INFO L225 Difference]: With dead ends: 19394 [2021-06-16 15:51:32,177 INFO L226 Difference]: Without dead ends: 14494 [2021-06-16 15:51:32,181 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 207.6ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-06-16 15:51:32,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14494 states. [2021-06-16 15:51:32,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14494 to 14494. [2021-06-16 15:51:32,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14494 states, 14249 states have (on average 2.4760334058530424) internal successors, (35281), 14493 states have internal predecessors, (35281), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:32,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14494 states to 14494 states and 35281 transitions. [2021-06-16 15:51:32,571 INFO L78 Accepts]: Start accepts. Automaton has 14494 states and 35281 transitions. Word has length 61 [2021-06-16 15:51:32,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 15:51:32,571 INFO L482 AbstractCegarLoop]: Abstraction has 14494 states and 35281 transitions. [2021-06-16 15:51:32,572 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 7 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:32,572 INFO L276 IsEmpty]: Start isEmpty. Operand 14494 states and 35281 transitions. [2021-06-16 15:51:32,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-06-16 15:51:32,584 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 15:51:32,584 INFO L472 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 15:51:32,584 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-16 15:51:32,584 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 15:51:32,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 15:51:32,585 INFO L82 PathProgramCache]: Analyzing trace with hash 905427810, now seen corresponding path program 1 times [2021-06-16 15:51:32,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 15:51:32,585 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864405901] [2021-06-16 15:51:32,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 15:51:32,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 15:51:32,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:32,669 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:51:32,670 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:32,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:51:32,677 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-16 15:51:32,679 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-16 15:51:32,687 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-16 15:51:32,688 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-16 15:51:32,700 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:32,700 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:51:32,706 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:32,706 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:51:32,719 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:32,720 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:51:32,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 15:51:32,721 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 15:51:32,721 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864405901] [2021-06-16 15:51:32,721 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864405901] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 15:51:32,722 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 15:51:32,722 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 15:51:32,722 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556748210] [2021-06-16 15:51:32,722 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 15:51:32,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 15:51:32,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 15:51:32,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-16 15:51:32,724 INFO L87 Difference]: Start difference. First operand 14494 states and 35281 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:32,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 15:51:32,850 INFO L93 Difference]: Finished difference Result 16034 states and 41647 transitions. [2021-06-16 15:51:32,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 15:51:32,854 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 63 [2021-06-16 15:51:32,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 15:51:32,879 INFO L225 Difference]: With dead ends: 16034 [2021-06-16 15:51:32,879 INFO L226 Difference]: Without dead ends: 11686 [2021-06-16 15:51:32,880 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 85.0ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-06-16 15:51:32,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11686 states. [2021-06-16 15:51:33,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11686 to 11686. [2021-06-16 15:51:33,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11686 states, 11511 states have (on average 2.527756059421423) internal successors, (29097), 11685 states have internal predecessors, (29097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:33,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11686 states to 11686 states and 29097 transitions. [2021-06-16 15:51:33,391 INFO L78 Accepts]: Start accepts. Automaton has 11686 states and 29097 transitions. Word has length 63 [2021-06-16 15:51:33,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 15:51:33,391 INFO L482 AbstractCegarLoop]: Abstraction has 11686 states and 29097 transitions. [2021-06-16 15:51:33,391 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:33,391 INFO L276 IsEmpty]: Start isEmpty. Operand 11686 states and 29097 transitions. [2021-06-16 15:51:33,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-06-16 15:51:33,421 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 15:51:33,421 INFO L472 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 15:51:33,421 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-16 15:51:33,421 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 15:51:33,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 15:51:33,421 INFO L82 PathProgramCache]: Analyzing trace with hash -1801069213, now seen corresponding path program 1 times [2021-06-16 15:51:33,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 15:51:33,422 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222128912] [2021-06-16 15:51:33,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 15:51:33,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 15:51:33,510 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:33,511 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:51:33,511 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:33,512 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:51:33,515 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:33,515 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:51:33,518 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-16 15:51:33,520 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-16 15:51:33,530 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-16 15:51:33,531 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-16 15:51:33,544 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:33,545 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:51:33,552 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:33,553 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:51:33,562 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:33,562 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:51:33,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 15:51:33,563 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 15:51:33,563 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222128912] [2021-06-16 15:51:33,563 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222128912] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 15:51:33,563 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 15:51:33,564 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-16 15:51:33,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235736171] [2021-06-16 15:51:33,564 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-16 15:51:33,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 15:51:33,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-16 15:51:33,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-16 15:51:33,565 INFO L87 Difference]: Start difference. First operand 11686 states and 29097 transitions. Second operand has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:33,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 15:51:33,714 INFO L93 Difference]: Finished difference Result 15046 states and 38785 transitions. [2021-06-16 15:51:33,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 15:51:33,715 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 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 65 [2021-06-16 15:51:33,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 15:51:33,728 INFO L225 Difference]: With dead ends: 15046 [2021-06-16 15:51:33,729 INFO L226 Difference]: Without dead ends: 5976 [2021-06-16 15:51:33,730 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 107.8ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-06-16 15:51:33,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5976 states. [2021-06-16 15:51:33,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5976 to 5976. [2021-06-16 15:51:33,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5976 states, 5801 states have (on average 2.755214618169281) internal successors, (15983), 5975 states have internal predecessors, (15983), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:33,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5976 states to 5976 states and 15983 transitions. [2021-06-16 15:51:33,965 INFO L78 Accepts]: Start accepts. Automaton has 5976 states and 15983 transitions. Word has length 65 [2021-06-16 15:51:33,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 15:51:33,966 INFO L482 AbstractCegarLoop]: Abstraction has 5976 states and 15983 transitions. [2021-06-16 15:51:33,966 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.125) internal successors, (65), 8 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:33,966 INFO L276 IsEmpty]: Start isEmpty. Operand 5976 states and 15983 transitions. [2021-06-16 15:51:33,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2021-06-16 15:51:33,972 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 15:51:33,972 INFO L472 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 15:51:33,972 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-16 15:51:33,972 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 15:51:33,972 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 15:51:33,972 INFO L82 PathProgramCache]: Analyzing trace with hash -1788839873, now seen corresponding path program 1 times [2021-06-16 15:51:33,973 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 15:51:33,973 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745160231] [2021-06-16 15:51:33,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 15:51:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 15:51:34,004 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:34,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:51:34,005 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:34,005 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:51:34,008 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-16 15:51:34,008 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-16 15:51:34,015 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-16 15:51:34,015 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-16 15:51:34,041 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:34,042 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:51:34,048 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:34,049 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:51:34,056 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:34,056 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:51:34,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 15:51:34,057 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 15:51:34,057 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745160231] [2021-06-16 15:51:34,057 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745160231] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 15:51:34,057 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 15:51:34,057 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-16 15:51:34,057 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996481781] [2021-06-16 15:51:34,058 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-06-16 15:51:34,058 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 15:51:34,058 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-06-16 15:51:34,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-06-16 15:51:34,058 INFO L87 Difference]: Start difference. First operand 5976 states and 15983 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:34,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 15:51:34,174 INFO L93 Difference]: Finished difference Result 6676 states and 18768 transitions. [2021-06-16 15:51:34,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-16 15:51:34,175 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 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 66 [2021-06-16 15:51:34,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 15:51:34,185 INFO L225 Difference]: With dead ends: 6676 [2021-06-16 15:51:34,185 INFO L226 Difference]: Without dead ends: 4640 [2021-06-16 15:51:34,185 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 100.7ms TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-06-16 15:51:34,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4640 states. [2021-06-16 15:51:34,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4640 to 4640. [2021-06-16 15:51:34,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4640 states, 4515 states have (on average 2.7607973421926912) internal successors, (12465), 4639 states have internal predecessors, (12465), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:34,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4640 states to 4640 states and 12465 transitions. [2021-06-16 15:51:34,259 INFO L78 Accepts]: Start accepts. Automaton has 4640 states and 12465 transitions. Word has length 66 [2021-06-16 15:51:34,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 15:51:34,259 INFO L482 AbstractCegarLoop]: Abstraction has 4640 states and 12465 transitions. [2021-06-16 15:51:34,259 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 7 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:34,260 INFO L276 IsEmpty]: Start isEmpty. Operand 4640 states and 12465 transitions. [2021-06-16 15:51:34,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2021-06-16 15:51:34,265 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 15:51:34,265 INFO L472 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 15:51:34,265 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-16 15:51:34,265 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 15:51:34,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 15:51:34,266 INFO L82 PathProgramCache]: Analyzing trace with hash -521432576, now seen corresponding path program 1 times [2021-06-16 15:51:34,266 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 15:51:34,266 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829801185] [2021-06-16 15:51:34,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 15:51:34,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 15:51:34,325 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:34,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:51:34,327 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:34,327 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:51:34,329 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:34,329 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:51:34,332 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-16 15:51:34,335 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-16 15:51:34,342 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-16 15:51:34,344 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-16 15:51:34,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:34,359 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:51:34,367 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:34,367 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:51:34,373 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:34,373 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:51:34,374 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 15:51:34,374 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 15:51:34,374 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [829801185] [2021-06-16 15:51:34,374 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [829801185] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 15:51:34,374 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 15:51:34,374 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-16 15:51:34,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525459890] [2021-06-16 15:51:34,374 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-16 15:51:34,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 15:51:34,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-16 15:51:34,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-16 15:51:34,376 INFO L87 Difference]: Start difference. First operand 4640 states and 12465 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:34,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 15:51:34,590 INFO L93 Difference]: Finished difference Result 6898 states and 19092 transitions. [2021-06-16 15:51:34,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 15:51:34,591 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 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 68 [2021-06-16 15:51:34,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 15:51:34,598 INFO L225 Difference]: With dead ends: 6898 [2021-06-16 15:51:34,598 INFO L226 Difference]: Without dead ends: 3468 [2021-06-16 15:51:34,599 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 84.9ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-06-16 15:51:34,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3468 states. [2021-06-16 15:51:34,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3468 to 3468. [2021-06-16 15:51:34,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3468 states, 3368 states have (on average 2.8295724465558196) internal successors, (9530), 3467 states have internal predecessors, (9530), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:34,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3468 states to 3468 states and 9530 transitions. [2021-06-16 15:51:34,668 INFO L78 Accepts]: Start accepts. Automaton has 3468 states and 9530 transitions. Word has length 68 [2021-06-16 15:51:34,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 15:51:34,669 INFO L482 AbstractCegarLoop]: Abstraction has 3468 states and 9530 transitions. [2021-06-16 15:51:34,669 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 8 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:34,670 INFO L276 IsEmpty]: Start isEmpty. Operand 3468 states and 9530 transitions. [2021-06-16 15:51:34,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2021-06-16 15:51:34,673 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 15:51:34,673 INFO L472 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 15:51:34,673 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-16 15:51:34,673 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 15:51:34,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 15:51:34,674 INFO L82 PathProgramCache]: Analyzing trace with hash -1568907296, now seen corresponding path program 1 times [2021-06-16 15:51:34,674 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 15:51:34,674 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560894266] [2021-06-16 15:51:34,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 15:51:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 15:51:34,734 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:34,734 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:51:34,735 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:34,735 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:51:34,737 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:34,737 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:51:34,740 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-16 15:51:34,741 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-16 15:51:34,747 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-16 15:51:34,748 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-16 15:51:34,759 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:34,759 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:51:34,764 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:34,765 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:51:34,770 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:34,771 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:51:34,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 15:51:34,771 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 15:51:34,771 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560894266] [2021-06-16 15:51:34,772 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560894266] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 15:51:34,772 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 15:51:34,772 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-16 15:51:34,772 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987081777] [2021-06-16 15:51:34,772 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-16 15:51:34,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 15:51:34,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-16 15:51:34,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-16 15:51:34,773 INFO L87 Difference]: Start difference. First operand 3468 states and 9530 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:34,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 15:51:34,859 INFO L93 Difference]: Finished difference Result 5384 states and 15113 transitions. [2021-06-16 15:51:34,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 15:51:34,859 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 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 69 [2021-06-16 15:51:34,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 15:51:34,864 INFO L225 Difference]: With dead ends: 5384 [2021-06-16 15:51:34,864 INFO L226 Difference]: Without dead ends: 2594 [2021-06-16 15:51:34,864 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 77.0ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-06-16 15:51:34,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2594 states. [2021-06-16 15:51:34,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2594 to 2594. [2021-06-16 15:51:34,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2594 states, 2514 states have (on average 2.9236276849642007) internal successors, (7350), 2593 states have internal predecessors, (7350), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:34,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2594 states to 2594 states and 7350 transitions. [2021-06-16 15:51:34,901 INFO L78 Accepts]: Start accepts. Automaton has 2594 states and 7350 transitions. Word has length 69 [2021-06-16 15:51:34,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 15:51:34,901 INFO L482 AbstractCegarLoop]: Abstraction has 2594 states and 7350 transitions. [2021-06-16 15:51:34,901 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:34,902 INFO L276 IsEmpty]: Start isEmpty. Operand 2594 states and 7350 transitions. [2021-06-16 15:51:34,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2021-06-16 15:51:34,908 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 15:51:34,908 INFO L472 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 15:51:34,908 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-16 15:51:34,908 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-16 15:51:34,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 15:51:34,908 INFO L82 PathProgramCache]: Analyzing trace with hash -5947190, now seen corresponding path program 1 times [2021-06-16 15:51:34,908 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 15:51:34,910 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810933611] [2021-06-16 15:51:34,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 15:51:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 15:51:34,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:34,962 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:51:34,962 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:34,963 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:51:34,964 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:34,965 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 15:51:34,967 INFO L142 QuantifierPusher]: treesize reduction 3, result has 85.0 percent of original size [2021-06-16 15:51:34,967 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-16 15:51:34,976 INFO L142 QuantifierPusher]: treesize reduction 1, result has 95.0 percent of original size [2021-06-16 15:51:34,976 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-06-16 15:51:34,986 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:34,987 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:51:34,992 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:34,993 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-06-16 15:51:34,998 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 15:51:34,998 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 15:51:34,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 15:51:34,999 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 15:51:34,999 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810933611] [2021-06-16 15:51:34,999 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1810933611] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 15:51:34,999 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 15:51:34,999 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-06-16 15:51:34,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891476336] [2021-06-16 15:51:34,999 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-16 15:51:34,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 15:51:35,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-16 15:51:35,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-16 15:51:35,000 INFO L87 Difference]: Start difference. First operand 2594 states and 7350 transitions. Second operand has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:35,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 15:51:35,072 INFO L93 Difference]: Finished difference Result 2114 states and 6028 transitions. [2021-06-16 15:51:35,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 15:51:35,072 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 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 70 [2021-06-16 15:51:35,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 15:51:35,072 INFO L225 Difference]: With dead ends: 2114 [2021-06-16 15:51:35,072 INFO L226 Difference]: Without dead ends: 0 [2021-06-16 15:51:35,074 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 76.6ms TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2021-06-16 15:51:35,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-16 15:51:35,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-16 15:51:35,074 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) [2021-06-16 15:51:35,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-16 15:51:35,075 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 70 [2021-06-16 15:51:35,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 15:51:35,075 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-16 15:51:35,075 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 8.75) internal successors, (70), 8 states have internal predecessors, (70), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 15:51:35,075 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-16 15:51:35,075 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-16 15:51:35,075 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-16 15:51:35,077 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-16 15:51:35,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.06 03:51:35 BasicIcfg [2021-06-16 15:51:35,078 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-16 15:51:35,079 INFO L168 Benchmark]: Toolchain (without parser) took 16129.37 ms. Allocated memory was 191.9 MB in the beginning and 4.1 GB in the end (delta: 3.9 GB). Free memory was 154.4 MB in the beginning and 3.3 GB in the end (delta: -3.1 GB). Peak memory consumption was 766.3 MB. Max. memory is 8.0 GB. [2021-06-16 15:51:35,079 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 191.9 MB. Free memory is still 172.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 15:51:35,081 INFO L168 Benchmark]: CACSL2BoogieTranslator took 374.66 ms. Allocated memory is still 191.9 MB. Free memory was 154.1 MB in the beginning and 153.3 MB in the end (delta: 768.8 kB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-06-16 15:51:35,082 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.77 ms. Allocated memory is still 191.9 MB. Free memory was 153.3 MB in the beginning and 151.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-16 15:51:35,082 INFO L168 Benchmark]: Boogie Preprocessor took 15.67 ms. Allocated memory is still 191.9 MB. Free memory was 151.2 MB in the beginning and 150.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 15:51:35,082 INFO L168 Benchmark]: RCFGBuilder took 497.24 ms. Allocated memory is still 191.9 MB. Free memory was 149.6 MB in the beginning and 123.4 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2021-06-16 15:51:35,083 INFO L168 Benchmark]: TraceAbstraction took 15207.31 ms. Allocated memory was 191.9 MB in the beginning and 4.1 GB in the end (delta: 3.9 GB). Free memory was 122.9 MB in the beginning and 3.3 GB in the end (delta: -3.1 GB). Peak memory consumption was 735.0 MB. Max. memory is 8.0 GB. [2021-06-16 15:51:35,085 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 191.9 MB. Free memory is still 172.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 374.66 ms. Allocated memory is still 191.9 MB. Free memory was 154.1 MB in the beginning and 153.3 MB in the end (delta: 768.8 kB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 27.77 ms. Allocated memory is still 191.9 MB. Free memory was 153.3 MB in the beginning and 151.2 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 15.67 ms. Allocated memory is still 191.9 MB. Free memory was 151.2 MB in the beginning and 150.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 497.24 ms. Allocated memory is still 191.9 MB. Free memory was 149.6 MB in the beginning and 123.4 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 15207.31 ms. Allocated memory was 191.9 MB in the beginning and 4.1 GB in the end (delta: 3.9 GB). Free memory was 122.9 MB in the beginning and 3.3 GB in the end (delta: -3.1 GB). Peak memory consumption was 735.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 372306, positive: 363500, positive conditional: 363500, positive unconditional: 0, negative: 8806, negative conditional: 8806, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 369118, positive: 363500, positive conditional: 0, positive unconditional: 363500, negative: 5618, negative conditional: 0, negative unconditional: 5618, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1662, positive: 1642, positive conditional: 0, positive unconditional: 1642, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1662, positive: 1633, positive conditional: 0, positive unconditional: 1633, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 29, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 57, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 369118, positive: 361858, positive conditional: 0, positive unconditional: 361858, negative: 5598, negative conditional: 0, negative unconditional: 5598, unknown: 1662, unknown conditional: 0, unknown unconditional: 1662] , Statistics on independence cache: Total cache size (in pairs): 1662, Positive cache size: 1642, Positive conditional cache size: 0, Positive unconditional cache size: 1642, Negative cache size: 20, Negative conditional cache size: 0, Negative unconditional cache size: 20, Independence queries for same thread: 3188 - PositiveResult [Line: 18]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 9 procedures, 134 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15101.2ms, OverallIterations: 8, TraceHistogramMax: 1, EmptinessCheckTime: 230.8ms, AutomataDifference: 2414.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9203.5ms, PartialOrderReductionTime: 9191.8ms, HoareTripleCheckerStatistics: 1004 SDtfs, 1804 SDslu, 3384 SDs, 0 SdLazy, 248 SolverSat, 32 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 160.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 108 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 99 ImplicationChecksByTransitivity, 1036.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=70046occurred in iteration=0, InterpolantAutomatonStates: 82, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 1959.7ms AutomataMinimizationTime, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 26.7ms SsaConstructionTime, 152.2ms SatisfiabilityAnalysisTime, 965.6ms InterpolantComputationTime, 521 NumberOfCodeBlocks, 521 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 513 ConstructedInterpolants, 0 QuantifiedInterpolants, 2415 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...