/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/ThreadIdTest2.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-13 14:58:42,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-13 14:58:42,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-13 14:58:42,580 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-13 14:58:42,595 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-13 14:58:42,596 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-13 14:58:42,597 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-13 14:58:42,598 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-13 14:58:42,601 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-13 14:58:42,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-13 14:58:42,603 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-13 14:58:42,608 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-13 14:58:42,609 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-13 14:58:42,610 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-13 14:58:42,611 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-13 14:58:42,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-13 14:58:42,617 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-13 14:58:42,632 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-13 14:58:42,633 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-13 14:58:42,633 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-13 14:58:42,636 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf [2021-06-13 14:58:42,660 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-13 14:58:42,661 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-13 14:58:42,661 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-13 14:58:42,661 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-13 14:58:42,663 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-13 14:58:42,663 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-13 14:58:42,663 INFO L138 SettingsManager]: * Use SBE=true [2021-06-13 14:58:42,664 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-13 14:58:42,664 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-13 14:58:42,664 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-13 14:58:42,665 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-13 14:58:42,665 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-13 14:58:42,665 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-13 14:58:42,665 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-13 14:58:42,665 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-13 14:58:42,665 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-13 14:58:42,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-13 14:58:42,665 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-13 14:58:42,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-13 14:58:42,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-13 14:58:42,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-13 14:58:42,666 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-13 14:58:42,666 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-13 14:58:42,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 14:58:42,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-13 14:58:42,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-13 14:58:42,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-13 14:58:42,666 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-13 14:58:42,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-13 14:58:42,666 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-13 14:58:42,667 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-13 14:58:42,667 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-13 14:58:42,667 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-13 14:58:42,667 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-13 14:58:42,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-13 14:58:42,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-13 14:58:42,907 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-13 14:58:42,907 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-13 14:58:42,908 INFO L275 PluginConnector]: CDTParser initialized [2021-06-13 14:58:42,909 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/ThreadIdTest2.c [2021-06-13 14:58:42,964 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1635311a/33d64e78283f42faade1671879e3f9e7/FLAG14e1cc0a4 [2021-06-13 14:58:43,327 INFO L306 CDTParser]: Found 1 translation units. [2021-06-13 14:58:43,328 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/ThreadIdTest2.c [2021-06-13 14:58:43,328 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-13 14:58:43,328 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-13 14:58:43,353 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1635311a/33d64e78283f42faade1671879e3f9e7/FLAG14e1cc0a4 [2021-06-13 14:58:43,361 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1635311a/33d64e78283f42faade1671879e3f9e7 [2021-06-13 14:58:43,366 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-13 14:58:43,367 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-13 14:58:43,369 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-13 14:58:43,369 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-13 14:58:43,371 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-13 14:58:43,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.06 02:58:43" (1/1) ... [2021-06-13 14:58:43,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1796040a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 02:58:43, skipping insertion in model container [2021-06-13 14:58:43,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.06 02:58:43" (1/1) ... [2021-06-13 14:58:43,377 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-13 14:58:43,388 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-13 14:58:43,508 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-13 14:58:43,513 INFO L203 MainTranslator]: Completed pre-run [2021-06-13 14:58:43,521 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-13 14:58:43,529 INFO L208 MainTranslator]: Completed translation [2021-06-13 14:58:43,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 02:58:43 WrapperNode [2021-06-13 14:58:43,530 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-13 14:58:43,531 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-13 14:58:43,531 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-13 14:58:43,531 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-13 14:58:43,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 02:58:43" (1/1) ... [2021-06-13 14:58:43,572 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 02:58:43" (1/1) ... [2021-06-13 14:58:43,584 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-13 14:58:43,585 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-13 14:58:43,585 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-13 14:58:43,585 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-13 14:58:43,590 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 02:58:43" (1/1) ... [2021-06-13 14:58:43,590 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 02:58:43" (1/1) ... [2021-06-13 14:58:43,598 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 02:58:43" (1/1) ... [2021-06-13 14:58:43,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 02:58:43" (1/1) ... [2021-06-13 14:58:43,606 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 02:58:43" (1/1) ... [2021-06-13 14:58:43,608 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 02:58:43" (1/1) ... [2021-06-13 14:58:43,608 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 02:58:43" (1/1) ... [2021-06-13 14:58:43,609 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-13 14:58:43,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-13 14:58:43,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-13 14:58:43,610 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-13 14:58:43,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 02:58:43" (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 [2021-06-13 14:58:43,674 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-13 14:58:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure dec [2021-06-13 14:58:43,675 INFO L138 BoogieDeclarations]: Found implementation of procedure dec [2021-06-13 14:58:43,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-13 14:58:43,676 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-13 14:58:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-13 14:58:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-13 14:58:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-13 14:58:43,676 INFO L130 BoogieDeclarations]: Found specification of procedure inc [2021-06-13 14:58:43,676 INFO L138 BoogieDeclarations]: Found implementation of procedure inc [2021-06-13 14:58:43,677 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-13 14:58:43,890 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-13 14:58:43,890 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-13 14:58:43,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 02:58:43 BoogieIcfgContainer [2021-06-13 14:58:43,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-13 14:58:43,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-13 14:58:43,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-13 14:58:43,894 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-13 14:58:43,894 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.06 02:58:43" (1/3) ... [2021-06-13 14:58:43,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2faaa556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 02:58:43, skipping insertion in model container [2021-06-13 14:58:43,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.06 02:58:43" (2/3) ... [2021-06-13 14:58:43,895 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2faaa556 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 02:58:43, skipping insertion in model container [2021-06-13 14:58:43,895 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 02:58:43" (3/3) ... [2021-06-13 14:58:43,896 INFO L111 eAbstractionObserver]: Analyzing ICFG ThreadIdTest2.c [2021-06-13 14:58:43,915 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-13 14:58:43,915 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-13 14:58:43,916 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-13 14:58:43,916 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-13 14:58:43,949 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,949 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,949 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,950 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,950 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,950 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,950 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,950 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,950 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,950 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,950 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,951 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,951 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,951 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,951 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,951 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,951 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,951 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,952 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,952 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,952 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,952 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,952 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,952 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,952 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,952 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,952 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,953 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,953 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,953 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,953 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,953 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,953 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,953 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,953 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,954 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,955 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,955 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,955 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,955 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,955 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,962 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,963 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,963 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,963 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,963 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-13 14:58:43,973 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-13 14:58:43,987 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-13 14:58:44,046 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 14:58:44,046 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 14:58:44,046 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 14:58:44,046 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 14:58:44,046 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 14:58:44,046 INFO L383 AbstractCegarLoop]: Difference is false Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-13 14:58:44,046 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 14:58:44,047 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-13 14:58:44,078 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 14:58:44,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 14:58:44,082 INFO L82 PathProgramCache]: Analyzing trace with hash -912199398, now seen corresponding path program 1 times [2021-06-13 14:58:44,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 14:58:44,088 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340924976] [2021-06-13 14:58:44,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 14:58:44,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 14:58:44,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 14:58:44,249 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 14:58:44,250 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340924976] [2021-06-13 14:58:44,250 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340924976] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 14:58:44,250 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 14:58:44,251 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-13 14:58:44,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278490793] [2021-06-13 14:58:44,254 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-13 14:58:44,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 14:58:44,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-13 14:58:44,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-13 14:58:44,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 14:58:44,269 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 14:58:44,271 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 18.5) internal successors, (37), 3 states have internal predecessors, (37), 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) [2021-06-13 14:58:44,271 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 14:58:44,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 14:58:44,347 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-13 14:58:44,347 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 14:58:44,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 14:58:44,348 INFO L82 PathProgramCache]: Analyzing trace with hash 711451031, now seen corresponding path program 1 times [2021-06-13 14:58:44,348 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 14:58:44,348 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080028758] [2021-06-13 14:58:44,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 14:58:44,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 14:58:44,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 14:58:44,394 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 14:58:44,395 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080028758] [2021-06-13 14:58:44,395 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080028758] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 14:58:44,395 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 14:58:44,395 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-13 14:58:44,395 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1705600511] [2021-06-13 14:58:44,396 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-13 14:58:44,396 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 14:58:44,396 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-13 14:58:44,397 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-06-13 14:58:44,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 14:58:44,397 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 14:58:44,397 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 4 states have (on average 8.5) internal successors, (34), 5 states have internal predecessors, (34), 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) [2021-06-13 14:58:44,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 14:58:44,397 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 14:58:44,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 14:58:44,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 14:58:44,505 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-13 14:58:44,505 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 14:58:44,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 14:58:44,505 INFO L82 PathProgramCache]: Analyzing trace with hash -984295600, now seen corresponding path program 1 times [2021-06-13 14:58:44,505 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 14:58:44,505 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429295620] [2021-06-13 14:58:44,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 14:58:44,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 14:58:44,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 14:58:44,818 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 14:58:44,818 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429295620] [2021-06-13 14:58:44,818 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [429295620] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 14:58:44,818 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 14:58:44,819 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-06-13 14:58:44,819 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361385399] [2021-06-13 14:58:44,819 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-13 14:58:44,819 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 14:58:44,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-13 14:58:44,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2021-06-13 14:58:44,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 14:58:44,820 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 14:58:44,820 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.090909090909091) internal successors, (34), 11 states have internal predecessors, (34), 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) [2021-06-13 14:58:44,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 14:58:44,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 14:58:44,820 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 14:58:45,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 14:58:45,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 14:58:45,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 14:58:45,110 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-13 14:58:45,110 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 14:58:45,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 14:58:45,110 INFO L82 PathProgramCache]: Analyzing trace with hash -169407337, now seen corresponding path program 2 times [2021-06-13 14:58:45,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 14:58:45,111 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066115226] [2021-06-13 14:58:45,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 14:58:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 14:58:45,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 14:58:45,190 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 14:58:45,190 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066115226] [2021-06-13 14:58:45,190 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066115226] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 14:58:45,190 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 14:58:45,190 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-06-13 14:58:45,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007803258] [2021-06-13 14:58:45,191 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-06-13 14:58:45,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 14:58:45,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-06-13 14:58:45,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-06-13 14:58:45,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 14:58:45,192 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 14:58:45,192 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 7 states have (on average 4.857142857142857) internal successors, (34), 8 states have internal predecessors, (34), 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) [2021-06-13 14:58:45,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 14:58:45,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-13 14:58:45,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 14:58:45,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 14:58:45,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 14:58:45,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-13 14:58:45,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 14:58:45,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-13 14:58:45,320 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-13 14:58:45,326 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-13 14:58:45,327 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.06 02:58:45 BasicIcfg [2021-06-13 14:58:45,327 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-13 14:58:45,328 INFO L168 Benchmark]: Toolchain (without parser) took 1960.33 ms. Allocated memory is still 200.3 MB. Free memory was 162.7 MB in the beginning and 95.8 MB in the end (delta: 66.8 MB). Peak memory consumption was 67.4 MB. Max. memory is 8.0 GB. [2021-06-13 14:58:45,328 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 200.3 MB. Free memory is still 181.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-13 14:58:45,328 INFO L168 Benchmark]: CACSL2BoogieTranslator took 161.70 ms. Allocated memory is still 200.3 MB. Free memory was 162.4 MB in the beginning and 153.8 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2021-06-13 14:58:45,328 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.25 ms. Allocated memory is still 200.3 MB. Free memory was 153.7 MB in the beginning and 182.3 MB in the end (delta: -28.6 MB). Peak memory consumption was 4.0 MB. Max. memory is 8.0 GB. [2021-06-13 14:58:45,329 INFO L168 Benchmark]: Boogie Preprocessor took 24.40 ms. Allocated memory is still 200.3 MB. Free memory was 182.3 MB in the beginning and 181.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 14:58:45,329 INFO L168 Benchmark]: RCFGBuilder took 281.52 ms. Allocated memory is still 200.3 MB. Free memory was 181.3 MB in the beginning and 165.5 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-06-13 14:58:45,329 INFO L168 Benchmark]: TraceAbstraction took 1434.94 ms. Allocated memory is still 200.3 MB. Free memory was 165.0 MB in the beginning and 95.8 MB in the end (delta: 69.2 MB). Peak memory consumption was 68.6 MB. Max. memory is 8.0 GB. [2021-06-13 14:58:45,331 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 200.3 MB. Free memory is still 181.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 161.70 ms. Allocated memory is still 200.3 MB. Free memory was 162.4 MB in the beginning and 153.8 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 53.25 ms. Allocated memory is still 200.3 MB. Free memory was 153.7 MB in the beginning and 182.3 MB in the end (delta: -28.6 MB). Peak memory consumption was 4.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 24.40 ms. Allocated memory is still 200.3 MB. Free memory was 182.3 MB in the beginning and 181.3 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 281.52 ms. Allocated memory is still 200.3 MB. Free memory was 181.3 MB in the beginning and 165.5 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1434.94 ms. Allocated memory is still 200.3 MB. Free memory was 165.0 MB in the beginning and 95.8 MB in the end (delta: 69.2 MB). Peak memory consumption was 68.6 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: 1519, positive: 1451, positive conditional: 1451, positive unconditional: 0, negative: 68, negative conditional: 68, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1481, positive: 1451, positive conditional: 1451, positive unconditional: 0, negative: 30, negative conditional: 30, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1481, positive: 1440, positive conditional: 0, positive unconditional: 1440, negative: 41, negative conditional: 0, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 307, positive: 297, positive conditional: 0, positive unconditional: 297, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 307, positive: 297, positive conditional: 0, positive unconditional: 297, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 20, negative conditional: 10, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 55, negative conditional: 19, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1481, positive: 1143, positive conditional: 0, positive unconditional: 1143, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 307, unknown conditional: 0, unknown unconditional: 307] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 301, Positive conditional cache size: 4, Positive unconditional cache size: 297, Negative cache size: 20, Negative conditional cache size: 10, Negative unconditional cache size: 10, SemanticConditionEliminator.Independence Queries: [ total: 110, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 99, negative conditional: 35, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 110, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 99, negative conditional: 35, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 20, negative conditional: 10, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 55, negative conditional: 19, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 110, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 89, negative conditional: 25, negative unconditional: 64, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 301, Positive conditional cache size: 4, Positive unconditional cache size: 297, Negative cache size: 20, Negative conditional cache size: 10, Negative unconditional cache size: 10, Eliminated conditions: 64, SemanticConditionEliminator.Independence Queries: [ total: 110, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 99, negative conditional: 35, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 110, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 99, negative conditional: 35, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 20, negative conditional: 10, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 55, negative conditional: 19, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 110, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 89, negative conditional: 25, negative unconditional: 64, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 301, Positive conditional cache size: 4, Positive unconditional cache size: 297, Negative cache size: 20, Negative conditional cache size: 10, Negative unconditional cache size: 10, Eliminated conditions: 64, SemanticConditionEliminator.Independence Queries: [ total: 110, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 99, negative conditional: 35, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 110, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 99, negative conditional: 35, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 20, negative conditional: 10, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 55, negative conditional: 19, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 110, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 89, negative conditional: 25, negative unconditional: 64, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 301, Positive conditional cache size: 4, Positive unconditional cache size: 297, Negative cache size: 20, Negative conditional cache size: 10, Negative unconditional cache size: 10, Eliminated conditions: 64, SemanticConditionEliminator.Independence Queries: [ total: 110, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 99, negative conditional: 35, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 110, positive: 11, positive conditional: 11, positive unconditional: 0, negative: 99, negative conditional: 35, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, positive: 4, positive conditional: 4, positive unconditional: 0, negative: 20, negative conditional: 10, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 60, positive: 5, positive conditional: 5, positive unconditional: 0, negative: 55, negative conditional: 19, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 110, positive: 7, positive conditional: 7, positive unconditional: 0, negative: 89, negative conditional: 25, negative unconditional: 64, unknown: 14, unknown conditional: 14, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 321, Positive cache size: 301, Positive conditional cache size: 4, Positive unconditional cache size: 297, Negative cache size: 20, Negative conditional cache size: 10, Negative unconditional cache size: 10, Eliminated conditions: 64 ], Maximal queried relation: 4, Independence queries for same thread: 38 - PositiveResult [Line: 37]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 64 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1317.4ms, OverallIterations: 4, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.7ms, PartialOrderReductionTime: 620.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 34, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 18.0ms SsaConstructionTime, 101.3ms SatisfiabilityAnalysisTime, 422.2ms InterpolantComputationTime, 139 NumberOfCodeBlocks, 139 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 135 ConstructedInterpolants, 0 QuantifiedInterpolants, 854 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...