/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-PN-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/atomic/16-goto-outside.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 22:28:43,927 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 22:28:43,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 22:28:43,959 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 22:28:43,960 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 22:28:43,962 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 22:28:43,964 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 22:28:43,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 22:28:43,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 22:28:43,972 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 22:28:43,973 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 22:28:43,973 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 22:28:43,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 22:28:43,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 22:28:43,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 22:28:43,978 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 22:28:43,980 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 22:28:43,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 22:28:43,982 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 22:28:43,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 22:28:43,987 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 22:28:43,988 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 22:28:43,989 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 22:28:43,990 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 22:28:43,993 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-11 22:28:43,995 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 22:28:43,996 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 22:28:43,997 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 22:28:43,997 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 22:28:43,998 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 22:28:43,998 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 22:28:43,998 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 22:28:43,998 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 22:28:43,998 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 22:28:43,999 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 22:28:43,999 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 22:28:44,000 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-PN-SemanticLbe.epf [2021-03-11 22:28:44,013 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 22:28:44,013 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 22:28:44,014 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 22:28:44,014 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 22:28:44,014 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 22:28:44,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 22:28:44,014 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 22:28:44,014 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 22:28:44,014 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 22:28:44,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 22:28:44,015 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 22:28:44,015 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 22:28:44,015 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 22:28:44,015 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 22:28:44,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 22:28:44,015 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 22:28:44,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 22:28:44,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 22:28:44,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 22:28:44,015 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 22:28:44,015 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 22:28:44,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 22:28:44,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 22:28:44,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 22:28:44,016 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 22:28:44,016 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 22:28:44,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 22:28:44,016 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-11 22:28:44,016 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 22:28:44,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 22:28:44,274 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 22:28:44,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 22:28:44,277 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 22:28:44,277 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 22:28:44,278 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/atomic/16-goto-outside.c [2021-03-11 22:28:44,331 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd4c8e2c7/f711b000036e47fabd5c82749d0ff773/FLAG28c69b69a [2021-03-11 22:28:44,669 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 22:28:44,669 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/atomic/16-goto-outside.c [2021-03-11 22:28:44,669 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-11 22:28:44,693 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd4c8e2c7/f711b000036e47fabd5c82749d0ff773/FLAG28c69b69a [2021-03-11 22:28:44,707 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd4c8e2c7/f711b000036e47fabd5c82749d0ff773 [2021-03-11 22:28:44,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 22:28:44,714 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 22:28:44,716 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 22:28:44,716 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 22:28:44,719 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 22:28:44,719 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 10:28:44" (1/1) ... [2021-03-11 22:28:44,720 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3225edf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:28:44, skipping insertion in model container [2021-03-11 22:28:44,720 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 10:28:44" (1/1) ... [2021-03-11 22:28:44,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 22:28:44,736 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 22:28:44,826 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 22:28:44,832 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 22:28:44,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 22:28:44,851 INFO L208 MainTranslator]: Completed translation [2021-03-11 22:28:44,852 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:28:44 WrapperNode [2021-03-11 22:28:44,852 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 22:28:44,853 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 22:28:44,853 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 22:28:44,853 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 22:28:44,857 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:28:44" (1/1) ... [2021-03-11 22:28:44,861 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:28:44" (1/1) ... [2021-03-11 22:28:44,871 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 22:28:44,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 22:28:44,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 22:28:44,872 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 22:28:44,877 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:28:44" (1/1) ... [2021-03-11 22:28:44,877 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:28:44" (1/1) ... [2021-03-11 22:28:44,878 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:28:44" (1/1) ... [2021-03-11 22:28:44,878 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:28:44" (1/1) ... [2021-03-11 22:28:44,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:28:44" (1/1) ... [2021-03-11 22:28:44,881 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:28:44" (1/1) ... [2021-03-11 22:28:44,882 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:28:44" (1/1) ... [2021-03-11 22:28:44,882 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 22:28:44,883 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 22:28:44,883 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 22:28:44,883 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 22:28:44,884 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:28:44" (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 [2021-03-11 22:28:44,933 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 22:28:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-11 22:28:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-03-11 22:28:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-03-11 22:28:44,934 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-03-11 22:28:44,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 22:28:44,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 22:28:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 22:28:44,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 22:28:44,937 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 22:28:45,152 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 22:28:45,152 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-03-11 22:28:45,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 10:28:45 BoogieIcfgContainer [2021-03-11 22:28:45,153 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 22:28:45,154 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 22:28:45,154 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 22:28:45,156 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 22:28:45,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 10:28:44" (1/3) ... [2021-03-11 22:28:45,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18618f9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 10:28:45, skipping insertion in model container [2021-03-11 22:28:45,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:28:44" (2/3) ... [2021-03-11 22:28:45,157 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18618f9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 10:28:45, skipping insertion in model container [2021-03-11 22:28:45,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 10:28:45" (3/3) ... [2021-03-11 22:28:45,158 INFO L111 eAbstractionObserver]: Analyzing ICFG 16-goto-outside.c [2021-03-11 22:28:45,161 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 22:28:45,163 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-11 22:28:45,164 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 22:28:45,177 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:28:45,177 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:28:45,178 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:28:45,178 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:28:45,178 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:28:45,178 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:28:45,178 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:28:45,178 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:28:45,178 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:28:45,178 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:28:45,179 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:28:45,179 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:28:45,180 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:28:45,180 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:28:45,180 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:28:45,180 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:28:45,182 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-11 22:28:45,194 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-03-11 22:28:45,224 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 22:28:45,225 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-11 22:28:45,225 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 22:28:45,225 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 22:28:45,225 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 22:28:45,225 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 22:28:45,225 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 22:28:45,225 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 22:28:45,239 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 27 places, 23 transitions, 51 flow [2021-03-11 22:28:45,268 INFO L129 PetriNetUnfolder]: 0/22 cut-off events. [2021-03-11 22:28:45,268 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 22:28:45,270 INFO L84 FinitePrefix]: Finished finitePrefix Result has 26 conditions, 22 events. 0/22 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 10 event pairs, 0 based on Foata normal form. 0/21 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-03-11 22:28:45,270 INFO L82 GeneralOperation]: Start removeDead. Operand has 27 places, 23 transitions, 51 flow [2021-03-11 22:28:45,280 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 23 places, 19 transitions, 41 flow [2021-03-11 22:28:45,282 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 22:28:45,290 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 23 places, 19 transitions, 41 flow [2021-03-11 22:28:45,294 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 23 places, 19 transitions, 41 flow [2021-03-11 22:28:45,295 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 23 places, 19 transitions, 41 flow [2021-03-11 22:28:45,302 INFO L129 PetriNetUnfolder]: 0/19 cut-off events. [2021-03-11 22:28:45,303 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 22:28:45,303 INFO L84 FinitePrefix]: Finished finitePrefix Result has 23 conditions, 19 events. 0/19 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 4 event pairs, 0 based on Foata normal form. 0/19 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-03-11 22:28:45,304 INFO L116 LiptonReduction]: Number of co-enabled transitions 28 [2021-03-11 22:28:45,809 INFO L131 LiptonReduction]: Checked pairs total: 25 [2021-03-11 22:28:45,809 INFO L133 LiptonReduction]: Total number of compositions: 14 [2021-03-11 22:28:45,810 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 530 [2021-03-11 22:28:45,815 INFO L129 PetriNetUnfolder]: 0/2 cut-off events. [2021-03-11 22:28:45,815 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 22:28:45,815 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 22:28:45,816 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1] [2021-03-11 22:28:45,816 INFO L428 AbstractCegarLoop]: === Iteration 1 === [fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 22:28:45,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 22:28:45,820 INFO L82 PathProgramCache]: Analyzing trace with hash 104818, now seen corresponding path program 1 times [2021-03-11 22:28:45,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 22:28:45,825 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1089108539] [2021-03-11 22:28:45,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 22:28:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 22:28:45,898 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 22:28:45,898 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 22:28:45,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 22:28:45,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1089108539] [2021-03-11 22:28:45,906 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 22:28:45,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-03-11 22:28:45,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375605914] [2021-03-11 22:28:45,911 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 22:28:45,911 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 22:28:45,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 22:28:45,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 22:28:45,921 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 37 [2021-03-11 22:28:45,922 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 9 places, 5 transitions, 13 flow. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) [2021-03-11 22:28:45,922 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 22:28:45,922 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 37 [2021-03-11 22:28:45,923 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 22:28:45,933 INFO L129 PetriNetUnfolder]: 0/6 cut-off events. [2021-03-11 22:28:45,933 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 22:28:45,933 INFO L84 FinitePrefix]: Finished finitePrefix Result has 16 conditions, 6 events. 0/6 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 1 event pairs, 0 based on Foata normal form. 2/8 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-11 22:28:45,934 INFO L132 encePairwiseOnDemand]: 33/37 looper letters, 1 selfloop transitions, 3 changer transitions 0/5 dead transitions. [2021-03-11 22:28:45,934 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 11 places, 5 transitions, 21 flow [2021-03-11 22:28:45,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 22:28:45,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 22:28:45,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 74 transitions. [2021-03-11 22:28:45,941 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6666666666666666 [2021-03-11 22:28:45,942 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 74 transitions. [2021-03-11 22:28:45,942 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 74 transitions. [2021-03-11 22:28:45,942 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 22:28:45,944 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 74 transitions. [2021-03-11 22:28:45,945 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 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) [2021-03-11 22:28:45,948 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 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) [2021-03-11 22:28:45,948 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 37.0) internal successors, (148), 4 states have internal predecessors, (148), 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) [2021-03-11 22:28:45,949 INFO L185 Difference]: Start difference. First operand has 9 places, 5 transitions, 13 flow. Second operand 3 states and 74 transitions. [2021-03-11 22:28:45,950 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 11 places, 5 transitions, 21 flow [2021-03-11 22:28:45,951 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 10 places, 5 transitions, 20 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-11 22:28:45,952 INFO L241 Difference]: Finished difference. Result has 11 places, 5 transitions, 23 flow [2021-03-11 22:28:45,953 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=37, PETRI_DIFFERENCE_MINUEND_FLOW=12, PETRI_DIFFERENCE_MINUEND_PLACES=8, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=5, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=2, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=23, PETRI_PLACES=11, PETRI_TRANSITIONS=5} [2021-03-11 22:28:45,953 INFO L335 CegarLoopForPetriNet]: 9 programPoint places, 2 predicate places. [2021-03-11 22:28:45,953 INFO L480 AbstractCegarLoop]: Abstraction has has 11 places, 5 transitions, 23 flow [2021-03-11 22:28:45,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 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) [2021-03-11 22:28:45,954 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 22:28:45,954 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2021-03-11 22:28:45,954 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 22:28:45,954 INFO L428 AbstractCegarLoop]: === Iteration 2 === [fooErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, fooErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 22:28:45,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 22:28:45,955 INFO L82 PathProgramCache]: Analyzing trace with hash 3249396, now seen corresponding path program 1 times [2021-03-11 22:28:45,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 22:28:45,955 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008954985] [2021-03-11 22:28:45,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 22:28:45,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 22:28:45,967 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 22:28:45,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 22:28:45,973 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 22:28:45,984 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-11 22:28:45,984 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-03-11 22:28:45,985 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-11 22:28:45,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 10:28:45 BasicIcfg [2021-03-11 22:28:45,996 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 22:28:45,997 INFO L168 Benchmark]: Toolchain (without parser) took 1285.28 ms. Allocated memory is still 352.3 MB. Free memory was 315.0 MB in the beginning and 198.2 MB in the end (delta: 116.8 MB). Peak memory consumption was 115.7 MB. Max. memory is 16.0 GB. [2021-03-11 22:28:45,997 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 352.3 MB. Free memory was 333.5 MB in the beginning and 333.4 MB in the end (delta: 76.8 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 22:28:45,998 INFO L168 Benchmark]: CACSL2BoogieTranslator took 136.00 ms. Allocated memory is still 352.3 MB. Free memory was 314.4 MB in the beginning and 334.6 MB in the end (delta: -20.2 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.0 GB. [2021-03-11 22:28:45,998 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.92 ms. Allocated memory is still 352.3 MB. Free memory was 334.6 MB in the beginning and 333.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 22:28:45,998 INFO L168 Benchmark]: Boogie Preprocessor took 10.66 ms. Allocated memory is still 352.3 MB. Free memory was 333.5 MB in the beginning and 332.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 22:28:45,999 INFO L168 Benchmark]: RCFGBuilder took 270.05 ms. Allocated memory is still 352.3 MB. Free memory was 332.3 MB in the beginning and 317.8 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-03-11 22:28:45,999 INFO L168 Benchmark]: TraceAbstraction took 842.12 ms. Allocated memory is still 352.3 MB. Free memory was 317.8 MB in the beginning and 198.2 MB in the end (delta: 119.5 MB). Peak memory consumption was 119.5 MB. Max. memory is 16.0 GB. [2021-03-11 22:28:46,001 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 352.3 MB. Free memory was 333.5 MB in the beginning and 333.4 MB in the end (delta: 76.8 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 136.00 ms. Allocated memory is still 352.3 MB. Free memory was 314.4 MB in the beginning and 334.6 MB in the end (delta: -20.2 MB). Peak memory consumption was 4.8 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 18.92 ms. Allocated memory is still 352.3 MB. Free memory was 334.6 MB in the beginning and 333.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 10.66 ms. Allocated memory is still 352.3 MB. Free memory was 333.5 MB in the beginning and 332.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 270.05 ms. Allocated memory is still 352.3 MB. Free memory was 332.3 MB in the beginning and 317.8 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 842.12 ms. Allocated memory is still 352.3 MB. Free memory was 317.8 MB in the beginning and 198.2 MB in the end (delta: 119.5 MB). Peak memory consumption was 119.5 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 515.2ms, 23 PlacesBefore, 9 PlacesAfterwards, 19 TransitionsBefore, 5 TransitionsAfterwards, 28 CoEnabledTransitionPairs, 4 FixpointIterations, 8 TrivialSequentialCompositions, 6 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 14 TotalNumberOfCompositions, 25 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 25, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 21, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 21, positive: 13, positive conditional: 0, positive unconditional: 13, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 8, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 21, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 25, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 21, unknown conditional: 0, unknown unconditional: 21] , Statistics on independence cache: Total cache size (in pairs): 2, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 2, Negative conditional cache size: 0, Negative unconditional cache size: 2 - CounterExampleResult [Line: 19]: assertion can be violated assertion can be violated We found a FailurePath: [L15] 0 int x = 0; [L16] 0 int y; [L24] 0 pthread_t threadId; [L25] FCALL, FORK 0 pthread_create(&threadId, NULL, & foo, NULL) VAL [arg={0:0}, x=0, y=0] [L28] 0 x = x + 1 [L29] COND TRUE 0 x != y VAL [arg={0:0}, x=1, y=0] [L19] 1 CodeAnnotStmt[Assertion] VAL [arg={0:0}, arg={0:0}, x=1, y=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 1.4ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 763.6ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 36.2ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 588.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 3 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=1, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 3.2ms SsaConstructionTime, 19.1ms SatisfiabilityAnalysisTime, 27.7ms InterpolantComputationTime, 7 NumberOfCodeBlocks, 7 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 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...