/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.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-1_1-join.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-13 18:55:32,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-13 18:55:32,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-13 18:55:32,435 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-13 18:55:32,435 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-13 18:55:32,439 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-13 18:55:32,441 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-13 18:55:32,446 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-13 18:55:32,448 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-13 18:55:32,452 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-13 18:55:32,453 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-13 18:55:32,454 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-13 18:55:32,455 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-13 18:55:32,456 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-13 18:55:32,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-13 18:55:32,459 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-13 18:55:32,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-13 18:55:32,464 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-13 18:55:32,466 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-13 18:55:32,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-13 18:55:32,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-13 18:55:32,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-13 18:55:32,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-13 18:55:32,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-13 18:55:32,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-13 18:55:32,483 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-13 18:55:32,483 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-13 18:55:32,485 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-13 18:55:32,485 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-13 18:55:32,486 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-13 18:55:32,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-13 18:55:32,487 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-13 18:55:32,488 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-13 18:55:32,489 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-13 18:55:32,490 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-13 18:55:32,490 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-13 18:55:32,491 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-13 18:55:32,491 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-13 18:55:32,491 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-13 18:55:32,492 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-13 18:55:32,493 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-13 18:55:32,516 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.epf [2021-07-13 18:55:32,539 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-13 18:55:32,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-13 18:55:32,540 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-13 18:55:32,540 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-13 18:55:32,541 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-13 18:55:32,541 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-13 18:55:32,541 INFO L138 SettingsManager]: * Use SBE=true [2021-07-13 18:55:32,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-13 18:55:32,542 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-13 18:55:32,542 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-13 18:55:32,542 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-13 18:55:32,542 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-13 18:55:32,542 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-13 18:55:32,542 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-13 18:55:32,543 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-13 18:55:32,543 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-13 18:55:32,543 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-13 18:55:32,543 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-13 18:55:32,543 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-13 18:55:32,543 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-13 18:55:32,544 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-13 18:55:32,544 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-13 18:55:32,544 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-13 18:55:32,544 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-13 18:55:32,544 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-13 18:55:32,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-13 18:55:32,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-13 18:55:32,545 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-13 18:55:32,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-13 18:55:32,545 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-13 18:55:32,545 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-13 18:55:32,546 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-13 18:55:32,864 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-13 18:55:32,900 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-13 18:55:32,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-13 18:55:32,903 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-13 18:55:32,905 INFO L275 PluginConnector]: CDTParser initialized [2021-07-13 18:55:32,906 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_1-join.i [2021-07-13 18:55:32,977 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb21b98d4/7e62fe048f954b30a9ed71eb1df8d401/FLAG0ca3f3dc0 [2021-07-13 18:55:33,519 INFO L306 CDTParser]: Found 1 translation units. [2021-07-13 18:55:33,519 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i [2021-07-13 18:55:33,539 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb21b98d4/7e62fe048f954b30a9ed71eb1df8d401/FLAG0ca3f3dc0 [2021-07-13 18:55:33,946 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bb21b98d4/7e62fe048f954b30a9ed71eb1df8d401 [2021-07-13 18:55:33,948 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-13 18:55:33,950 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-13 18:55:33,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-13 18:55:33,954 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-13 18:55:33,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-13 18:55:33,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 06:55:33" (1/1) ... [2021-07-13 18:55:33,958 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c7c2caa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:55:33, skipping insertion in model container [2021-07-13 18:55:33,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 06:55:33" (1/1) ... [2021-07-13 18:55:33,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-13 18:55:34,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-13 18:55:34,558 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i[76068,76081] [2021-07-13 18:55:34,570 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-13 18:55:34,579 INFO L203 MainTranslator]: Completed pre-run [2021-07-13 18:55:34,613 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i[76068,76081] [2021-07-13 18:55:34,617 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-13 18:55:34,715 INFO L208 MainTranslator]: Completed translation [2021-07-13 18:55:34,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:55:34 WrapperNode [2021-07-13 18:55:34,715 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-13 18:55:34,716 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-13 18:55:34,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-13 18:55:34,716 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-13 18:55:34,721 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:55:34" (1/1) ... [2021-07-13 18:55:34,744 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:55:34" (1/1) ... [2021-07-13 18:55:34,767 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-13 18:55:34,768 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-13 18:55:34,768 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-13 18:55:34,768 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-13 18:55:34,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:55:34" (1/1) ... [2021-07-13 18:55:34,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:55:34" (1/1) ... [2021-07-13 18:55:34,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:55:34" (1/1) ... [2021-07-13 18:55:34,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:55:34" (1/1) ... [2021-07-13 18:55:34,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:55:34" (1/1) ... [2021-07-13 18:55:34,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:55:34" (1/1) ... [2021-07-13 18:55:34,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:55:34" (1/1) ... [2021-07-13 18:55:34,804 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-13 18:55:34,805 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-13 18:55:34,805 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-13 18:55:34,805 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-13 18:55:34,806 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:55:34" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-13 18:55:34,863 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-13 18:55:34,863 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-13 18:55:34,863 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-07-13 18:55:34,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-07-13 18:55:34,864 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-13 18:55:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-13 18:55:34,864 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-13 18:55:34,864 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-13 18:55:34,864 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-13 18:55:34,864 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-13 18:55:34,865 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-13 18:55:34,866 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-13 18:55:35,428 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-13 18:55:35,428 INFO L299 CfgBuilder]: Removed 16 assume(true) statements. [2021-07-13 18:55:35,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 06:55:35 BoogieIcfgContainer [2021-07-13 18:55:35,432 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-13 18:55:35,435 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-13 18:55:35,435 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-13 18:55:35,438 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-13 18:55:35,438 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 06:55:33" (1/3) ... [2021-07-13 18:55:35,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61da7e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 06:55:35, skipping insertion in model container [2021-07-13 18:55:35,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 06:55:34" (2/3) ... [2021-07-13 18:55:35,439 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61da7e6b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 06:55:35, skipping insertion in model container [2021-07-13 18:55:35,439 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 06:55:35" (3/3) ... [2021-07-13 18:55:35,441 INFO L111 eAbstractionObserver]: Analyzing ICFG race-1_1-join.i [2021-07-13 18:55:35,449 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-13 18:55:35,449 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-13 18:55:35,449 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-07-13 18:55:35,450 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-13 18:55:35,481 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:55:35,481 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:55:35,481 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:55:35,481 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:55:35,481 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:55:35,482 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:55:35,482 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:55:35,482 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:55:35,482 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:55:35,482 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:55:35,482 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:55:35,482 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:55:35,483 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:55:35,483 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:55:35,484 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:55:35,484 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:55:35,484 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:55:35,484 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:55:35,484 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:55:35,484 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:55:35,484 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:55:35,484 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:55:35,485 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:55:35,485 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:55:35,485 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:55:35,485 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:55:35,486 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:55:35,486 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:55:35,488 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:55:35,488 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:55:35,488 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:55:35,488 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:55:35,489 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:55:35,489 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:55:35,489 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-13 18:55:35,499 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-07-13 18:55:35,520 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-07-13 18:55:35,547 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-13 18:55:35,547 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-13 18:55:35,547 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-13 18:55:35,548 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-13 18:55:35,548 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-13 18:55:35,548 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-13 18:55:35,548 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-13 18:55:35,548 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread1Thread1of1ForFork0======== [2021-07-13 18:55:35,562 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 93 places, 95 transitions, 198 flow [2021-07-13 18:55:35,607 INFO L132 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 195 states, 193 states have (on average 1.7098445595854923) internal successors, (330), 194 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:55:35,610 INFO L276 IsEmpty]: Start isEmpty. Operand has 195 states, 193 states have (on average 1.7098445595854923) internal successors, (330), 194 states have internal predecessors, (330), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:55:35,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-07-13 18:55:35,616 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 18:55:35,620 INFO L508 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] [2021-07-13 18:55:35,620 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thread1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 18:55:35,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 18:55:35,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1446939762, now seen corresponding path program 1 times [2021-07-13 18:55:35,632 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 18:55:35,633 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041998417] [2021-07-13 18:55:35,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 18:55:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 18:55:36,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 18:55:36,070 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 18:55:36,070 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041998417] [2021-07-13 18:55:36,071 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041998417] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 18:55:36,072 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 18:55:36,072 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-13 18:55:36,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081845287] [2021-07-13 18:55:36,076 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-13 18:55:36,076 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 18:55:36,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-13 18:55:36,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-13 18:55:36,090 INFO L87 Difference]: Start difference. First operand has 195 states, 193 states have (on average 1.7098445595854923) internal successors, (330), 194 states have internal predecessors, (330), 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 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:55:36,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 18:55:36,170 INFO L93 Difference]: Finished difference Result 162 states and 266 transitions. [2021-07-13 18:55:36,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 18:55:36,171 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 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 42 [2021-07-13 18:55:36,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 18:55:36,176 INFO L225 Difference]: With dead ends: 162 [2021-07-13 18:55:36,176 INFO L226 Difference]: Without dead ends: 0 [2021-07-13 18:55:36,178 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 74.6ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-07-13 18:55:36,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-13 18:55:36,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-13 18:55:36,195 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) [2021-07-13 18:55:36,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-13 18:55:36,196 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 42 [2021-07-13 18:55:36,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 18:55:36,197 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-13 18:55:36,197 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 5 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:55:36,197 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-13 18:55:36,197 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-13 18:55:36,198 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-13 18:55:36,199 INFO L301 ceAbstractionStarter]: Result for error location thread1Thread1of1ForFork0 was SAFE (1/2) [2021-07-13 18:55:36,201 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-07-13 18:55:36,213 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-13 18:55:36,213 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-13 18:55:36,213 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-13 18:55:36,213 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-13 18:55:36,214 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-13 18:55:36,214 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-13 18:55:36,214 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-13 18:55:36,214 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-13 18:55:36,215 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 93 places, 95 transitions, 198 flow [2021-07-13 18:55:36,226 INFO L132 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 299 states, 293 states have (on average 1.7781569965870307) internal successors, (521), 298 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:55:36,227 INFO L276 IsEmpty]: Start isEmpty. Operand has 299 states, 293 states have (on average 1.7781569965870307) internal successors, (521), 298 states have internal predecessors, (521), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:55:36,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2021-07-13 18:55:36,228 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 18:55:36,232 INFO L508 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] [2021-07-13 18:55:36,233 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 18:55:36,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 18:55:36,233 INFO L82 PathProgramCache]: Analyzing trace with hash -1654812270, now seen corresponding path program 1 times [2021-07-13 18:55:36,234 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 18:55:36,234 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179617721] [2021-07-13 18:55:36,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 18:55:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 18:55:36,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 18:55:36,344 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 18:55:36,344 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179617721] [2021-07-13 18:55:36,344 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179617721] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 18:55:36,344 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 18:55:36,344 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-13 18:55:36,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617098041] [2021-07-13 18:55:36,345 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-13 18:55:36,345 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 18:55:36,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-13 18:55:36,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-13 18:55:36,348 INFO L87 Difference]: Start difference. First operand has 299 states, 293 states have (on average 1.7781569965870307) internal successors, (521), 298 states have internal predecessors, (521), 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 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:55:36,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 18:55:36,416 INFO L93 Difference]: Finished difference Result 279 states and 468 transitions. [2021-07-13 18:55:36,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 18:55:36,417 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 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 27 [2021-07-13 18:55:36,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 18:55:36,427 INFO L225 Difference]: With dead ends: 279 [2021-07-13 18:55:36,427 INFO L226 Difference]: Without dead ends: 183 [2021-07-13 18:55:36,427 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 30.9ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-13 18:55:36,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2021-07-13 18:55:36,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2021-07-13 18:55:36,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 181 states have (on average 1.6132596685082874) internal successors, (292), 182 states have internal predecessors, (292), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:55:36,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 292 transitions. [2021-07-13 18:55:36,464 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 292 transitions. Word has length 27 [2021-07-13 18:55:36,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 18:55:36,465 INFO L482 AbstractCegarLoop]: Abstraction has 183 states and 292 transitions. [2021-07-13 18:55:36,465 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:55:36,465 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 292 transitions. [2021-07-13 18:55:36,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-07-13 18:55:36,466 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 18:55:36,467 INFO L508 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] [2021-07-13 18:55:36,467 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-13 18:55:36,467 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 18:55:36,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 18:55:36,469 INFO L82 PathProgramCache]: Analyzing trace with hash -10744082, now seen corresponding path program 1 times [2021-07-13 18:55:36,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 18:55:36,469 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505208978] [2021-07-13 18:55:36,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 18:55:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 18:55:36,568 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 18:55:36,568 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 18:55:36,569 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505208978] [2021-07-13 18:55:36,569 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505208978] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 18:55:36,569 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 18:55:36,569 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-13 18:55:36,569 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812803783] [2021-07-13 18:55:36,571 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-13 18:55:36,571 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 18:55:36,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-13 18:55:36,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-13 18:55:36,572 INFO L87 Difference]: Start difference. First operand 183 states and 292 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:55:36,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 18:55:36,615 INFO L93 Difference]: Finished difference Result 181 states and 290 transitions. [2021-07-13 18:55:36,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 18:55:36,616 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 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 35 [2021-07-13 18:55:36,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 18:55:36,617 INFO L225 Difference]: With dead ends: 181 [2021-07-13 18:55:36,617 INFO L226 Difference]: Without dead ends: 175 [2021-07-13 18:55:36,618 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 25.5ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-13 18:55:36,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2021-07-13 18:55:36,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2021-07-13 18:55:36,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 175 states, 174 states have (on average 1.632183908045977) internal successors, (284), 174 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:55:36,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 284 transitions. [2021-07-13 18:55:36,625 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 284 transitions. Word has length 35 [2021-07-13 18:55:36,625 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 18:55:36,625 INFO L482 AbstractCegarLoop]: Abstraction has 175 states and 284 transitions. [2021-07-13 18:55:36,625 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:55:36,625 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 284 transitions. [2021-07-13 18:55:36,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2021-07-13 18:55:36,627 INFO L500 BasicCegarLoop]: Found error trace [2021-07-13 18:55:36,627 INFO L508 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] [2021-07-13 18:55:36,627 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-07-13 18:55:36,628 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-13 18:55:36,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 18:55:36,628 INFO L82 PathProgramCache]: Analyzing trace with hash 1000374871, now seen corresponding path program 1 times [2021-07-13 18:55:36,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 18:55:36,629 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929424777] [2021-07-13 18:55:36,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 18:55:36,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 18:55:36,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 18:55:36,707 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 18:55:36,707 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929424777] [2021-07-13 18:55:36,707 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1929424777] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 18:55:36,708 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 18:55:36,708 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-07-13 18:55:36,708 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812848065] [2021-07-13 18:55:36,708 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-13 18:55:36,708 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 18:55:36,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-13 18:55:36,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-07-13 18:55:36,709 INFO L87 Difference]: Start difference. First operand 175 states and 284 transitions. Second operand has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:55:36,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-07-13 18:55:36,750 INFO L93 Difference]: Finished difference Result 173 states and 282 transitions. [2021-07-13 18:55:36,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 18:55:36,751 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 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 64 [2021-07-13 18:55:36,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-07-13 18:55:36,752 INFO L225 Difference]: With dead ends: 173 [2021-07-13 18:55:36,752 INFO L226 Difference]: Without dead ends: 0 [2021-07-13 18:55:36,753 INFO L764 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 30.9ms TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-13 18:55:36,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-07-13 18:55:36,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-07-13 18:55:36,754 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) [2021-07-13 18:55:36,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-07-13 18:55:36,754 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2021-07-13 18:55:36,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-07-13 18:55:36,754 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-07-13 18:55:36,754 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 12.8) internal successors, (64), 5 states have internal predecessors, (64), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 18:55:36,754 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-07-13 18:55:36,754 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-07-13 18:55:36,755 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-13 18:55:36,755 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/2) [2021-07-13 18:55:36,755 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-13 18:55:36,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 06:55:36 BasicIcfg [2021-07-13 18:55:36,759 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-13 18:55:36,763 INFO L168 Benchmark]: Toolchain (without parser) took 2809.81 ms. Allocated memory is still 210.8 MB. Free memory was 171.6 MB in the beginning and 90.6 MB in the end (delta: 80.9 MB). Peak memory consumption was 80.6 MB. Max. memory is 8.0 GB. [2021-07-13 18:55:36,766 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 210.8 MB. Free memory is still 191.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-13 18:55:36,767 INFO L168 Benchmark]: CACSL2BoogieTranslator took 762.04 ms. Allocated memory is still 210.8 MB. Free memory was 171.4 MB in the beginning and 151.0 MB in the end (delta: 20.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2021-07-13 18:55:36,767 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.83 ms. Allocated memory is still 210.8 MB. Free memory was 151.0 MB in the beginning and 148.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-07-13 18:55:36,769 INFO L168 Benchmark]: Boogie Preprocessor took 36.86 ms. Allocated memory is still 210.8 MB. Free memory was 148.4 MB in the beginning and 145.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-13 18:55:36,769 INFO L168 Benchmark]: RCFGBuilder took 626.96 ms. Allocated memory is still 210.8 MB. Free memory was 145.8 MB in the beginning and 107.0 MB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 8.0 GB. [2021-07-13 18:55:36,772 INFO L168 Benchmark]: TraceAbstraction took 1324.40 ms. Allocated memory is still 210.8 MB. Free memory was 106.5 MB in the beginning and 90.6 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.3 MB. Max. memory is 8.0 GB. [2021-07-13 18:55:36,776 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 210.8 MB. Free memory is still 191.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 762.04 ms. Allocated memory is still 210.8 MB. Free memory was 171.4 MB in the beginning and 151.0 MB in the end (delta: 20.3 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 50.83 ms. Allocated memory is still 210.8 MB. Free memory was 151.0 MB in the beginning and 148.4 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 36.86 ms. Allocated memory is still 210.8 MB. Free memory was 148.4 MB in the beginning and 145.8 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 626.96 ms. Allocated memory is still 210.8 MB. Free memory was 145.8 MB in the beginning and 107.0 MB in the end (delta: 38.8 MB). Peak memory consumption was 38.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1324.40 ms. Allocated memory is still 210.8 MB. Free memory was 106.5 MB in the beginning and 90.6 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 1693]: 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: thread1Thread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 106 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 653.8ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 8.9ms, AutomataDifference: 100.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 58.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 99 SDtfs, 49 SDslu, 198 SDs, 0 SdLazy, 9 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 74.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=195occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 7.7ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 8.8ms SsaConstructionTime, 65.9ms SatisfiabilityAnalysisTime, 204.8ms InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 41 ConstructedInterpolants, 0 QuantifiedInterpolants, 52 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 106 locations, 6 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 541.8ms, OverallIterations: 3, TraceHistogramMax: 1, EmptinessCheckTime: 4.6ms, AutomataDifference: 173.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 12.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 213 SDtfs, 226 SDslu, 404 SDs, 0 SdLazy, 53 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 46.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 87.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=299occurred in iteration=0, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 43.5ms AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 8.6ms SsaConstructionTime, 37.8ms SatisfiabilityAnalysisTime, 199.0ms InterpolantComputationTime, 126 NumberOfCodeBlocks, 126 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 123 ConstructedInterpolants, 0 QuantifiedInterpolants, 156 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...