/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-dev-770125f [2021-05-21 19:48:58,952 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-05-21 19:48:58,954 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-05-21 19:48:58,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-05-21 19:48:58,982 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-05-21 19:48:58,983 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-05-21 19:48:58,984 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-05-21 19:48:58,986 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-05-21 19:48:58,987 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-05-21 19:48:58,988 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-05-21 19:48:58,989 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-05-21 19:48:58,990 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-05-21 19:48:58,990 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-05-21 19:48:58,991 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-05-21 19:48:58,992 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-05-21 19:48:58,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-05-21 19:48:58,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-05-21 19:48:58,994 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-05-21 19:48:58,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-05-21 19:48:58,997 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-05-21 19:48:58,998 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-05-21 19:48:58,999 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-05-21 19:48:59,000 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-05-21 19:48:59,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-05-21 19:48:59,003 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-05-21 19:48:59,009 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-05-21 19:48:59,010 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-05-21 19:48:59,011 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-05-21 19:48:59,011 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 [2021-05-21 19:48:59,033 INFO L113 SettingsManager]: Loading preferences was successful [2021-05-21 19:48:59,033 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-05-21 19:48:59,034 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-05-21 19:48:59,034 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-05-21 19:48:59,035 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-05-21 19:48:59,035 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-05-21 19:48:59,035 INFO L138 SettingsManager]: * Use SBE=true [2021-05-21 19:48:59,035 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-05-21 19:48:59,035 INFO L138 SettingsManager]: * sizeof long=4 [2021-05-21 19:48:59,036 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-05-21 19:48:59,036 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-05-21 19:48:59,036 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-05-21 19:48:59,036 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-05-21 19:48:59,036 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-05-21 19:48:59,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-05-21 19:48:59,037 INFO L138 SettingsManager]: * sizeof long double=12 [2021-05-21 19:48:59,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-05-21 19:48:59,040 INFO L138 SettingsManager]: * Use constant arrays=true [2021-05-21 19:48:59,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-05-21 19:48:59,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-05-21 19:48:59,040 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-05-21 19:48:59,040 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-05-21 19:48:59,040 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-05-21 19:48:59,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-05-21 19:48:59,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-05-21 19:48:59,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-05-21 19:48:59,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-05-21 19:48:59,041 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-05-21 19:48:59,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-05-21 19:48:59,042 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-05-21 19:48:59,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-05-21 19:48:59,042 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-05-21 19:48:59,302 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-05-21 19:48:59,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-05-21 19:48:59,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-05-21 19:48:59,321 INFO L271 PluginConnector]: Initializing CDTParser... [2021-05-21 19:48:59,322 INFO L275 PluginConnector]: CDTParser initialized [2021-05-21 19:48:59,323 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/ThreadIdTest1.c [2021-05-21 19:48:59,381 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/033d65a6c/e391ed7bc99247e3acf6e287e6eccdb7/FLAG512e418db [2021-05-21 19:48:59,767 INFO L306 CDTParser]: Found 1 translation units. [2021-05-21 19:48:59,768 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/ThreadIdTest1.c [2021-05-21 19:48:59,768 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-05-21 19:48:59,769 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-05-21 19:48:59,803 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/033d65a6c/e391ed7bc99247e3acf6e287e6eccdb7/FLAG512e418db [2021-05-21 19:48:59,820 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/033d65a6c/e391ed7bc99247e3acf6e287e6eccdb7 [2021-05-21 19:48:59,823 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-05-21 19:48:59,826 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-05-21 19:48:59,827 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-05-21 19:48:59,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-05-21 19:48:59,830 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-05-21 19:48:59,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.05 07:48:59" (1/1) ... [2021-05-21 19:48:59,832 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24353081 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 07:48:59, skipping insertion in model container [2021-05-21 19:48:59,832 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.05 07:48:59" (1/1) ... [2021-05-21 19:48:59,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-05-21 19:48:59,852 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-05-21 19:49:00,021 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-21 19:49:00,030 INFO L203 MainTranslator]: Completed pre-run [2021-05-21 19:49:00,039 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-05-21 19:49:00,052 INFO L208 MainTranslator]: Completed translation [2021-05-21 19:49:00,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 07:49:00 WrapperNode [2021-05-21 19:49:00,053 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-05-21 19:49:00,055 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-05-21 19:49:00,055 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-05-21 19:49:00,056 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-05-21 19:49:00,063 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 07:49:00" (1/1) ... [2021-05-21 19:49:00,068 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 07:49:00" (1/1) ... [2021-05-21 19:49:00,083 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-05-21 19:49:00,084 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-05-21 19:49:00,084 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-05-21 19:49:00,084 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-05-21 19:49:00,090 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 07:49:00" (1/1) ... [2021-05-21 19:49:00,090 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 07:49:00" (1/1) ... [2021-05-21 19:49:00,099 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 07:49:00" (1/1) ... [2021-05-21 19:49:00,099 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 07:49:00" (1/1) ... [2021-05-21 19:49:00,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 07:49:00" (1/1) ... [2021-05-21 19:49:00,109 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 07:49:00" (1/1) ... [2021-05-21 19:49:00,110 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 07:49:00" (1/1) ... [2021-05-21 19:49:00,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-05-21 19:49:00,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-05-21 19:49:00,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-05-21 19:49:00,117 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-05-21 19:49:00,118 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 07:49:00" (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 [2021-05-21 19:49:00,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-05-21 19:49:00,188 INFO L130 BoogieDeclarations]: Found specification of procedure dec [2021-05-21 19:49:00,188 INFO L138 BoogieDeclarations]: Found implementation of procedure dec [2021-05-21 19:49:00,188 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-05-21 19:49:00,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-05-21 19:49:00,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-05-21 19:49:00,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-05-21 19:49:00,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-05-21 19:49:00,189 INFO L130 BoogieDeclarations]: Found specification of procedure inc [2021-05-21 19:49:00,189 INFO L138 BoogieDeclarations]: Found implementation of procedure inc [2021-05-21 19:49:00,191 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-05-21 19:49:00,532 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-05-21 19:49:00,533 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-05-21 19:49:00,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.05 07:49:00 BoogieIcfgContainer [2021-05-21 19:49:00,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-05-21 19:49:00,535 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-05-21 19:49:00,535 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-05-21 19:49:00,538 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-05-21 19:49:00,538 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.05 07:48:59" (1/3) ... [2021-05-21 19:49:00,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46074bd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.05 07:49:00, skipping insertion in model container [2021-05-21 19:49:00,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.05 07:49:00" (2/3) ... [2021-05-21 19:49:00,539 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46074bd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.05 07:49:00, skipping insertion in model container [2021-05-21 19:49:00,539 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.05 07:49:00" (3/3) ... [2021-05-21 19:49:00,540 INFO L111 eAbstractionObserver]: Analyzing ICFG ThreadIdTest1.c [2021-05-21 19:49:00,549 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-05-21 19:49:00,549 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-05-21 19:49:00,549 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-05-21 19:49:00,550 INFO L478 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-05-21 19:49:00,585 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,586 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,586 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,586 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,587 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,587 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,587 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,587 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,588 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,588 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,588 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,588 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,589 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,589 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,589 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,590 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,590 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,590 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,591 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,591 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,591 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,592 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,592 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,592 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,592 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,592 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,593 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,593 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,593 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,594 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,594 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,595 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,595 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,596 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,596 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,597 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,598 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,599 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,599 WARN L313 ript$VariableManager]: TermVariabe |incThread1of1ForFork0_#t~post0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,600 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,600 WARN L313 ript$VariableManager]: TermVariabe incThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,607 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,607 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,607 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,608 WARN L313 ript$VariableManager]: TermVariabe |decThread1of1ForFork1_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,608 WARN L313 ript$VariableManager]: TermVariabe decThread1of1ForFork1_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-05-21 19:49:00,621 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-05-21 19:49:00,638 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-05-21 19:49:00,653 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-05-21 19:49:00,653 INFO L379 AbstractCegarLoop]: Hoare is false [2021-05-21 19:49:00,654 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-05-21 19:49:00,654 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-05-21 19:49:00,654 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-05-21 19:49:00,654 INFO L383 AbstractCegarLoop]: Difference is false [2021-05-21 19:49:00,654 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-05-21 19:49:00,654 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-05-21 19:49:00,663 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 54 places, 48 transitions, 112 flow [2021-05-21 19:49:00,692 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 418 states, 414 states have (on average 2.13768115942029) internal successors, (885), 417 states have internal predecessors, (885), 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) [2021-05-21 19:49:00,696 INFO L276 IsEmpty]: Start isEmpty. Operand has 418 states, 414 states have (on average 2.13768115942029) internal successors, (885), 417 states have internal predecessors, (885), 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) [2021-05-21 19:49:00,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-05-21 19:49:00,707 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 19:49:00,708 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 19:49:00,708 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-21 19:49:00,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 19:49:00,713 INFO L82 PathProgramCache]: Analyzing trace with hash 2117798898, now seen corresponding path program 1 times [2021-05-21 19:49:00,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 19:49:00,720 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1035002006] [2021-05-21 19:49:00,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 19:49:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-05-21 19:49:00,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-05-21 19:49:00,915 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-05-21 19:49:00,915 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1035002006] [2021-05-21 19:49:00,916 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1035002006] provided 1 perfect and 0 imperfect interpolant sequences [2021-05-21 19:49:00,917 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-05-21 19:49:00,917 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-05-21 19:49:00,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999751940] [2021-05-21 19:49:00,921 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-05-21 19:49:00,922 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-05-21 19:49:00,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-05-21 19:49:00,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 19:49:00,941 INFO L87 Difference]: Start difference. First operand has 418 states, 414 states have (on average 2.13768115942029) internal successors, (885), 417 states have internal predecessors, (885), 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 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) [2021-05-21 19:49:01,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-05-21 19:49:01,016 INFO L93 Difference]: Finished difference Result 484 states and 991 transitions. [2021-05-21 19:49:01,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-05-21 19:49:01,018 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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 31 [2021-05-21 19:49:01,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-05-21 19:49:01,031 INFO L225 Difference]: With dead ends: 484 [2021-05-21 19:49:01,031 INFO L226 Difference]: Without dead ends: 220 [2021-05-21 19:49:01,033 INFO L777 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-05-21 19:49:01,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-05-21 19:49:01,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2021-05-21 19:49:01,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 218 states have (on average 2.0596330275229358) internal successors, (449), 219 states have internal predecessors, (449), 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) [2021-05-21 19:49:01,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 449 transitions. [2021-05-21 19:49:01,093 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 449 transitions. Word has length 31 [2021-05-21 19:49:01,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-05-21 19:49:01,093 INFO L482 AbstractCegarLoop]: Abstraction has 220 states and 449 transitions. [2021-05-21 19:49:01,094 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) [2021-05-21 19:49:01,094 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 449 transitions. [2021-05-21 19:49:01,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-05-21 19:49:01,100 INFO L513 BasicCegarLoop]: Found error trace [2021-05-21 19:49:01,101 INFO L521 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-05-21 19:49:01,103 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-05-21 19:49:01,104 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-05-21 19:49:01,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-05-21 19:49:01,107 INFO L82 PathProgramCache]: Analyzing trace with hash 582650621, now seen corresponding path program 1 times [2021-05-21 19:49:01,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-05-21 19:49:01,110 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896885953] [2021-05-21 19:49:01,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-05-21 19:49:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-21 19:49:01,156 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-21 19:49:01,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-05-21 19:49:01,187 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-05-21 19:49:01,228 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-05-21 19:49:01,228 INFO L622 BasicCegarLoop]: Counterexample might be feasible [2021-05-21 19:49:01,229 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-05-21 19:49:01,232 INFO L246 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-05-21 19:49:01,277 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.05 07:49:01 BasicIcfg [2021-05-21 19:49:01,277 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-05-21 19:49:01,278 INFO L168 Benchmark]: Toolchain (without parser) took 1452.22 ms. Allocated memory is still 350.2 MB. Free memory was 312.0 MB in the beginning and 272.8 MB in the end (delta: 39.2 MB). Peak memory consumption was 38.1 MB. Max. memory is 16.0 GB. [2021-05-21 19:49:01,279 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 350.2 MB. Free memory was 330.4 MB in the beginning and 330.4 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-21 19:49:01,279 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.90 ms. Allocated memory is still 350.2 MB. Free memory was 311.8 MB in the beginning and 333.6 MB in the end (delta: -21.8 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. [2021-05-21 19:49:01,280 INFO L168 Benchmark]: Boogie Procedure Inliner took 27.75 ms. Allocated memory is still 350.2 MB. Free memory was 333.6 MB in the beginning and 331.5 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-05-21 19:49:01,280 INFO L168 Benchmark]: Boogie Preprocessor took 30.60 ms. Allocated memory is still 350.2 MB. Free memory is still 331.5 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-05-21 19:49:01,280 INFO L168 Benchmark]: RCFGBuilder took 417.29 ms. Allocated memory is still 350.2 MB. Free memory was 330.5 MB in the beginning and 312.6 MB in the end (delta: 17.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. [2021-05-21 19:49:01,281 INFO L168 Benchmark]: TraceAbstraction took 741.64 ms. Allocated memory is still 350.2 MB. Free memory was 312.6 MB in the beginning and 272.8 MB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 MB. Max. memory is 16.0 GB. [2021-05-21 19:49:01,283 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 350.2 MB. Free memory was 330.4 MB in the beginning and 330.4 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 226.90 ms. Allocated memory is still 350.2 MB. Free memory was 311.8 MB in the beginning and 333.6 MB in the end (delta: -21.8 MB). Peak memory consumption was 7.1 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 27.75 ms. Allocated memory is still 350.2 MB. Free memory was 333.6 MB in the beginning and 331.5 MB in the end (delta: 2.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 30.60 ms. Allocated memory is still 350.2 MB. Free memory is still 331.5 MB. There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 417.29 ms. Allocated memory is still 350.2 MB. Free memory was 330.5 MB in the beginning and 312.6 MB in the end (delta: 17.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.0 GB. * TraceAbstraction took 741.64 ms. Allocated memory is still 350.2 MB. Free memory was 312.6 MB in the beginning and 272.8 MB in the end (delta: 39.8 MB). Peak memory consumption was 39.8 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] [L33] 0 \read(first_th_id) 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] 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 with 1 thread instances CFG has 5 procedures, 64 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 578.1ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 20.7ms, AutomataDifference: 110.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 37.9ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 55 SDtfs, 18 SDslu, 37 SDs, 0 SdLazy, 12 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 21.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=418occurred 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: 49.1ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 11.0ms SsaConstructionTime, 88.1ms SatisfiabilityAnalysisTime, 85.3ms InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 30 ConstructedInterpolants, 0 QuantifiedInterpolants, 32 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...