/usr/bin/java -Xmx16000000000 -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/concurrent/pthreads/regression/ThreadIdTest1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-10 20:28:55,013 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-10 20:28:55,015 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-10 20:28:55,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-03-10 20:28:55,072 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-10 20:28:55,074 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-10 20:28:55,075 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-10 20:28:55,076 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-10 20:28:55,079 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-10 20:28:55,079 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-10 20:28:55,082 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-10 20:28:55,089 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-10 20:28:55,091 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-10 20:28:55,092 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-10 20:28:55,093 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-10 20:28:55,094 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-10 20:28:55,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-10 20:28:55,108 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-10 20:28:55,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-10 20:28:55,109 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-10 20:28:55,113 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 [2021-03-10 20:28:55,148 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-10 20:28:55,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-10 20:28:55,148 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-10 20:28:55,149 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-10 20:28:55,151 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-10 20:28:55,151 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-10 20:28:55,152 INFO L138 SettingsManager]: * Use SBE=true [2021-03-10 20:28:55,152 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-10 20:28:55,152 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-10 20:28:55,152 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-10 20:28:55,153 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-10 20:28:55,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-10 20:28:55,153 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-10 20:28:55,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-10 20:28:55,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-10 20:28:55,154 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-10 20:28:55,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-10 20:28:55,154 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-10 20:28:55,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-10 20:28:55,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-10 20:28:55,155 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-10 20:28:55,155 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-10 20:28:55,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-10 20:28:55,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-10 20:28:55,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-10 20:28:55,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-10 20:28:55,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-10 20:28:55,156 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-10 20:28:55,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-10 20:28:55,156 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-10 20:28:55,156 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-10 20:28:55,156 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-10 20:28:55,465 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-10 20:28:55,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-10 20:28:55,489 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-10 20:28:55,490 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-10 20:28:55,491 INFO L275 PluginConnector]: CDTParser initialized [2021-03-10 20:28:55,491 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/ThreadIdTest1.c [2021-03-10 20:28:55,543 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fafafd221/f6ee6d5fb77f4e6f9441d014640e8365/FLAG024c08442 [2021-03-10 20:28:55,979 INFO L306 CDTParser]: Found 1 translation units. [2021-03-10 20:28:55,980 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/ThreadIdTest1.c [2021-03-10 20:28:55,980 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-10 20:28:55,980 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-10 20:28:56,010 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fafafd221/f6ee6d5fb77f4e6f9441d014640e8365/FLAG024c08442 [2021-03-10 20:28:56,022 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fafafd221/f6ee6d5fb77f4e6f9441d014640e8365 [2021-03-10 20:28:56,024 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-10 20:28:56,029 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-10 20:28:56,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-10 20:28:56,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-10 20:28:56,033 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-10 20:28:56,034 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.03 08:28:56" (1/1) ... [2021-03-10 20:28:56,035 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48007602 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:28:56, skipping insertion in model container [2021-03-10 20:28:56,035 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.03 08:28:56" (1/1) ... [2021-03-10 20:28:56,044 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-10 20:28:56,053 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-10 20:28:56,151 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-10 20:28:56,157 INFO L203 MainTranslator]: Completed pre-run [2021-03-10 20:28:56,166 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-10 20:28:56,215 INFO L208 MainTranslator]: Completed translation [2021-03-10 20:28:56,216 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:28:56 WrapperNode [2021-03-10 20:28:56,216 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-10 20:28:56,217 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-10 20:28:56,217 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-10 20:28:56,217 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-10 20:28:56,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:28:56" (1/1) ... [2021-03-10 20:28:56,239 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:28:56" (1/1) ... [2021-03-10 20:28:56,253 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-10 20:28:56,254 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-10 20:28:56,254 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-10 20:28:56,254 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-10 20:28:56,260 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:28:56" (1/1) ... [2021-03-10 20:28:56,260 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:28:56" (1/1) ... [2021-03-10 20:28:56,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:28:56" (1/1) ... [2021-03-10 20:28:56,262 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:28:56" (1/1) ... [2021-03-10 20:28:56,264 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:28:56" (1/1) ... [2021-03-10 20:28:56,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:28:56" (1/1) ... [2021-03-10 20:28:56,266 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:28:56" (1/1) ... [2021-03-10 20:28:56,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-10 20:28:56,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-10 20:28:56,268 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-10 20:28:56,268 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-10 20:28:56,269 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:28:56" (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 [2021-03-10 20:28:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-10 20:28:56,335 INFO L130 BoogieDeclarations]: Found specification of procedure dec [2021-03-10 20:28:56,336 INFO L138 BoogieDeclarations]: Found implementation of procedure dec [2021-03-10 20:28:56,336 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-10 20:28:56,336 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-10 20:28:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-10 20:28:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-10 20:28:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-10 20:28:56,337 INFO L130 BoogieDeclarations]: Found specification of procedure inc [2021-03-10 20:28:56,338 INFO L138 BoogieDeclarations]: Found implementation of procedure inc [2021-03-10 20:28:56,339 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-10 20:28:56,558 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-10 20:28:56,558 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-03-10 20:28:56,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.03 08:28:56 BoogieIcfgContainer [2021-03-10 20:28:56,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-10 20:28:56,561 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-10 20:28:56,561 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-10 20:28:56,563 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-10 20:28:56,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.03 08:28:56" (1/3) ... [2021-03-10 20:28:56,564 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d6d0210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.03 08:28:56, skipping insertion in model container [2021-03-10 20:28:56,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.03 08:28:56" (2/3) ... [2021-03-10 20:28:56,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d6d0210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.03 08:28:56, skipping insertion in model container [2021-03-10 20:28:56,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.03 08:28:56" (3/3) ... [2021-03-10 20:28:56,566 INFO L111 eAbstractionObserver]: Analyzing ICFG ThreadIdTest1.c [2021-03-10 20:28:56,583 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-10 20:28:56,584 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-10 20:28:56,586 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-10 20:28:56,587 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-10 20:28:56,622 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,623 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,623 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,623 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,623 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,623 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,623 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,624 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,624 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,624 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,624 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,624 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,625 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,625 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,625 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,625 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,625 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,625 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,626 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,626 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,626 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,626 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,626 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,627 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,627 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,627 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,627 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,627 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,627 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,628 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,628 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,628 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,628 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,628 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,629 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,629 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,630 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,631 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,631 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,631 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,631 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,649 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,649 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,649 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,649 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,649 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-10 20:28:56,654 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-03-10 20:28:56,679 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-03-10 20:28:56,703 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-10 20:28:56,703 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-10 20:28:56,704 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-10 20:28:56,704 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-10 20:28:56,704 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-10 20:28:56,704 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-10 20:28:56,704 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-10 20:28:56,704 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-10 20:28:56,719 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48 places, 42 transitions, 100 flow [2021-03-10 20:28:56,758 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 346 states, 342 states have (on average 2.0789473684210527) internal successors, (711), 345 states have internal predecessors, (711), 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) [2021-03-10 20:28:56,761 INFO L276 IsEmpty]: Start isEmpty. Operand has 346 states, 342 states have (on average 2.0789473684210527) internal successors, (711), 345 states have internal predecessors, (711), 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) [2021-03-10 20:28:56,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-03-10 20:28:56,773 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 20:28:56,774 INFO L519 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] [2021-03-10 20:28:56,774 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-10 20:28:56,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 20:28:56,784 INFO L82 PathProgramCache]: Analyzing trace with hash 175950082, now seen corresponding path program 1 times [2021-03-10 20:28:56,799 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 20:28:56,799 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1432028307] [2021-03-10 20:28:56,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 20:28:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-10 20:28:57,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-10 20:28:57,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1432028307] [2021-03-10 20:28:57,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-10 20:28:57,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-10 20:28:57,006 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179359098] [2021-03-10 20:28:57,013 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-10 20:28:57,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-10 20:28:57,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-10 20:28:57,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-10 20:28:57,030 INFO L87 Difference]: Start difference. First operand has 346 states, 342 states have (on average 2.0789473684210527) internal successors, (711), 345 states have internal predecessors, (711), 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 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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) [2021-03-10 20:28:57,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-03-10 20:28:57,104 INFO L93 Difference]: Finished difference Result 412 states and 817 transitions. [2021-03-10 20:28:57,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-10 20:28:57,106 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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 25 [2021-03-10 20:28:57,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-03-10 20:28:57,115 INFO L225 Difference]: With dead ends: 412 [2021-03-10 20:28:57,115 INFO L226 Difference]: Without dead ends: 164 [2021-03-10 20:28:57,116 INFO L775 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-10 20:28:57,130 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2021-03-10 20:28:57,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2021-03-10 20:28:57,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 162 states have (on average 1.9938271604938271) internal successors, (323), 163 states have internal predecessors, (323), 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) [2021-03-10 20:28:57,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 323 transitions. [2021-03-10 20:28:57,153 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 323 transitions. Word has length 25 [2021-03-10 20:28:57,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-03-10 20:28:57,154 INFO L480 AbstractCegarLoop]: Abstraction has 164 states and 323 transitions. [2021-03-10 20:28:57,154 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 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) [2021-03-10 20:28:57,154 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 323 transitions. [2021-03-10 20:28:57,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-03-10 20:28:57,156 INFO L511 BasicCegarLoop]: Found error trace [2021-03-10 20:28:57,156 INFO L519 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] [2021-03-10 20:28:57,156 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-10 20:28:57,156 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-10 20:28:57,157 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-10 20:28:57,157 INFO L82 PathProgramCache]: Analyzing trace with hash -1215533561, now seen corresponding path program 1 times [2021-03-10 20:28:57,157 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-10 20:28:57,157 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263249386] [2021-03-10 20:28:57,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-10 20:28:57,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-10 20:28:57,180 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-10 20:28:57,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-10 20:28:57,209 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-10 20:28:57,230 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-10 20:28:57,230 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-03-10 20:28:57,231 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-10 20:28:57,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.03 08:28:57 BasicIcfg [2021-03-10 20:28:57,273 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-10 20:28:57,274 INFO L168 Benchmark]: Toolchain (without parser) took 1248.41 ms. Allocated memory was 255.9 MB in the beginning and 358.6 MB in the end (delta: 102.8 MB). Free memory was 232.8 MB in the beginning and 289.9 MB in the end (delta: -57.0 MB). Peak memory consumption was 42.1 MB. Max. memory is 16.0 GB. [2021-03-10 20:28:57,275 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-10 20:28:57,276 INFO L168 Benchmark]: CACSL2BoogieTranslator took 186.04 ms. Allocated memory was 255.9 MB in the beginning and 358.6 MB in the end (delta: 102.8 MB). Free memory was 232.2 MB in the beginning and 343.3 MB in the end (delta: -111.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2021-03-10 20:28:57,276 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.00 ms. Allocated memory is still 358.6 MB. Free memory was 343.3 MB in the beginning and 341.6 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-10 20:28:57,277 INFO L168 Benchmark]: Boogie Preprocessor took 13.86 ms. Allocated memory is still 358.6 MB. Free memory was 341.6 MB in the beginning and 340.7 MB in the end (delta: 874.7 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-10 20:28:57,277 INFO L168 Benchmark]: RCFGBuilder took 291.38 ms. Allocated memory is still 358.6 MB. Free memory was 340.7 MB in the beginning and 325.9 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-03-10 20:28:57,278 INFO L168 Benchmark]: TraceAbstraction took 712.09 ms. Allocated memory is still 358.6 MB. Free memory was 325.9 MB in the beginning and 289.9 MB in the end (delta: 36.0 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.0 GB. [2021-03-10 20:28:57,280 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 186.04 ms. Allocated memory was 255.9 MB in the beginning and 358.6 MB in the end (delta: 102.8 MB). Free memory was 232.2 MB in the beginning and 343.3 MB in the end (delta: -111.1 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 36.00 ms. Allocated memory is still 358.6 MB. Free memory was 343.3 MB in the beginning and 341.6 MB in the end (delta: 1.7 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 13.86 ms. Allocated memory is still 358.6 MB. Free memory was 341.6 MB in the beginning and 340.7 MB in the end (delta: 874.7 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 291.38 ms. Allocated memory is still 358.6 MB. Free memory was 340.7 MB in the beginning and 325.9 MB in the end (delta: 14.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 712.09 ms. Allocated memory is still 358.6 MB. Free memory was 325.9 MB in the beginning and 289.9 MB in the end (delta: 36.0 MB). Peak memory consumption was 35.7 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 36]: assertion can be violated assertion can be violated We found a FailurePath: [L13] 0 int x = 0; VAL [x=0] [L27] 0 pthread_t first_th_id; VAL [x=0] [L28] 0 pthread_t second_th_id; VAL [x=0] [L30] FCALL, FORK 0 pthread_create(&first_th_id, NULL, inc, NULL) VAL [n={0:0}, x=0] [L17] 1 x++ VAL [n={0:0}, n={0:0}, x=1] [L18] 1 return NULL; VAL [\result={0:0}, n={0:0}, n={0:0}, x=1] [L31] FCALL, FORK 0 pthread_create(&second_th_id, NULL, dec, NULL) VAL [\result={0:0}, n={0:0}, n={0:0}, n={0:0}, x=1] [L22] 2 x-- VAL [\result={0:0}, n={0:0}, n={0:0}, n={0:0}, n={0:0}, x=1, x--=1] [L33] 0 \read(first_th_id) VAL [\result={0:0}, n={0:0}, n={0:0}, n={0:0}, n={0:0}, x=1, x--=1] [L33] FCALL, JOIN 1 pthread_join(first_th_id, NULL) VAL [\result={0:0}, n={0:0}, n={0:0}, n={0:0}, n={0:0}, x=1, x--=1] [L34] 0 int y = x; VAL [\result={0:0}, n={0:0}, n={0:0}, n={0:0}, n={0:0}, x=1, x--=1] [L22] 2 x-- VAL [\result={0:0}, n={0:0}, n={0:0}, n={0:0}, n={0:0}, x=0, x--=1] [L36] 0 CodeAnnotStmt[Assertion] VAL [\result={0:0}, n={0:0}, n={0:0}, n={0:0}, n={0:0}, x=0, x--=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 532.0ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 15.8ms, AutomataDifference: 102.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 54.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 49 SDtfs, 18 SDslu, 31 SDs, 0 SdLazy, 12 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 31.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=346occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 26.0ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 20.6ms SsaConstructionTime, 54.7ms SatisfiabilityAnalysisTime, 86.0ms InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 26 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 RESULT: Ultimate proved your program to be incorrect! Received shutdown request...