/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/05-end-no-begin.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 22:28:17,064 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 22:28:17,065 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 22:28:17,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 22:28:17,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 22:28:17,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 22:28:17,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 22:28:17,086 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 22:28:17,087 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 22:28:17,087 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 22:28:17,088 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 22:28:17,089 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 22:28:17,089 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 22:28:17,089 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 22:28:17,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 22:28:17,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 22:28:17,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 22:28:17,092 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 22:28:17,093 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 22:28:17,094 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 22:28:17,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 22:28:17,098 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 22:28:17,099 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 22:28:17,100 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 22:28:17,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-11 22:28:17,104 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 22:28:17,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 22:28:17,105 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 22:28:17,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 22:28:17,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 22:28:17,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 22:28:17,106 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 22:28:17,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 22:28:17,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 22:28:17,107 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 22:28:17,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 22:28:17,115 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 22:28:17,140 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 22:28:17,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 22:28:17,143 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 22:28:17,143 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 22:28:17,143 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 22:28:17,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 22:28:17,144 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 22:28:17,144 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 22:28:17,144 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 22:28:17,144 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 22:28:17,144 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 22:28:17,145 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 22:28:17,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 22:28:17,145 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 22:28:17,145 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 22:28:17,145 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 22:28:17,145 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 22:28:17,145 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 22:28:17,145 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 22:28:17,145 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 22:28:17,145 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 22:28:17,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 22:28:17,146 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 22:28:17,146 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 22:28:17,146 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 22:28:17,146 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 22:28:17,146 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 22:28:17,146 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-11 22:28:17,146 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 22:28:17,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 22:28:17,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 22:28:17,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 22:28:17,406 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 22:28:17,411 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 22:28:17,412 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/atomic/05-end-no-begin.c [2021-03-11 22:28:17,456 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/887e90267/0484a538a8ec4db2a49b5c9f1b57dcd6/FLAG8fe0b0fa8 [2021-03-11 22:28:17,783 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 22:28:17,784 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/atomic/05-end-no-begin.c [2021-03-11 22:28:17,784 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-03-11 22:28:17,808 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/887e90267/0484a538a8ec4db2a49b5c9f1b57dcd6/FLAG8fe0b0fa8 [2021-03-11 22:28:18,199 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/887e90267/0484a538a8ec4db2a49b5c9f1b57dcd6 [2021-03-11 22:28:18,201 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 22:28:18,206 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 22:28:18,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 22:28:18,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 22:28:18,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 22:28:18,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 10:28:18" (1/1) ... [2021-03-11 22:28:18,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@560e4843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:28:18, skipping insertion in model container [2021-03-11 22:28:18,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 10:28:18" (1/1) ... [2021-03-11 22:28:18,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 22:28:18,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 22:28:18,326 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 22:28:18,336 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 22:28:18,342 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 22:28:18,357 INFO L208 MainTranslator]: Completed translation [2021-03-11 22:28:18,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:28:18 WrapperNode [2021-03-11 22:28:18,357 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 22:28:18,358 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 22:28:18,358 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 22:28:18,358 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 22:28:18,363 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:28:18" (1/1) ... [2021-03-11 22:28:18,374 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:28:18" (1/1) ... [2021-03-11 22:28:18,387 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 22:28:18,392 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 22:28:18,392 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 22:28:18,392 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 22:28:18,397 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:28:18" (1/1) ... [2021-03-11 22:28:18,397 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:28:18" (1/1) ... [2021-03-11 22:28:18,399 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:28:18" (1/1) ... [2021-03-11 22:28:18,399 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:28:18" (1/1) ... [2021-03-11 22:28:18,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:28:18" (1/1) ... [2021-03-11 22:28:18,403 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:28:18" (1/1) ... [2021-03-11 22:28:18,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:28:18" (1/1) ... [2021-03-11 22:28:18,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 22:28:18,413 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 22:28:18,413 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 22:28:18,413 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 22:28:18,413 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:28:18" (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 22:28:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 22:28:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-03-11 22:28:18,465 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-03-11 22:28:18,465 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-03-11 22:28:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 22:28:18,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 22:28:18,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 22:28:18,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 22:28:18,468 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 22:28:18,610 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 22:28:18,610 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-03-11 22:28:18,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 10:28:18 BoogieIcfgContainer [2021-03-11 22:28:18,611 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 22:28:18,612 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 22:28:18,612 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 22:28:18,614 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 22:28:18,614 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 10:28:18" (1/3) ... [2021-03-11 22:28:18,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e110b74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 10:28:18, skipping insertion in model container [2021-03-11 22:28:18,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 10:28:18" (2/3) ... [2021-03-11 22:28:18,615 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e110b74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 10:28:18, skipping insertion in model container [2021-03-11 22:28:18,615 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 10:28:18" (3/3) ... [2021-03-11 22:28:18,616 INFO L111 eAbstractionObserver]: Analyzing ICFG 05-end-no-begin.c [2021-03-11 22:28:18,620 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 22:28:18,622 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-11 22:28:18,622 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 22:28:18,635 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:28:18,635 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:28:18,635 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:28:18,636 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:28:18,636 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:28:18,636 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:28:18,636 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:28:18,636 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:28:18,636 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:28:18,636 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:28:18,637 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:28:18,637 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:28:18,638 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:28:18,638 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:28:18,638 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:28:18,638 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 22:28:18,642 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-03-11 22:28:18,654 INFO L253 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-03-11 22:28:18,668 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 22:28:18,668 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-11 22:28:18,668 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 22:28:18,668 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 22:28:18,668 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 22:28:18,668 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 22:28:18,669 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 22:28:18,669 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 22:28:18,675 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 27 places, 23 transitions, 51 flow [2021-03-11 22:28:18,688 INFO L129 PetriNetUnfolder]: 0/22 cut-off events. [2021-03-11 22:28:18,689 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 22:28:18,690 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 11 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 22:28:18,690 INFO L82 GeneralOperation]: Start removeDead. Operand has 27 places, 23 transitions, 51 flow [2021-03-11 22:28:18,693 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 21 places, 17 transitions, 37 flow [2021-03-11 22:28:18,695 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 22:28:18,702 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 21 places, 17 transitions, 37 flow [2021-03-11 22:28:18,703 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 21 places, 17 transitions, 37 flow [2021-03-11 22:28:18,704 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 21 places, 17 transitions, 37 flow [2021-03-11 22:28:18,708 INFO L129 PetriNetUnfolder]: 0/17 cut-off events. [2021-03-11 22:28:18,708 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 22:28:18,708 INFO L84 FinitePrefix]: Finished finitePrefix Result has 21 conditions, 17 events. 0/17 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 7 event pairs, 0 based on Foata normal form. 0/17 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2021-03-11 22:28:18,708 INFO L116 LiptonReduction]: Number of co-enabled transitions 32 [2021-03-11 22:28:19,181 INFO L131 LiptonReduction]: Checked pairs total: 40 [2021-03-11 22:28:19,181 INFO L133 LiptonReduction]: Total number of compositions: 12 [2021-03-11 22:28:19,183 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 490 [2021-03-11 22:28:19,191 INFO L129 PetriNetUnfolder]: 0/4 cut-off events. [2021-03-11 22:28:19,191 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 22:28:19,191 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 22:28:19,191 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1] [2021-03-11 22:28:19,192 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 22:28:19,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 22:28:19,198 INFO L82 PathProgramCache]: Analyzing trace with hash 2851155, now seen corresponding path program 1 times [2021-03-11 22:28:19,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 22:28:19,204 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091778028] [2021-03-11 22:28:19,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 22:28:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 22:28:19,310 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 22:28:19,312 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 22:28:19,313 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 22:28:19,313 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-03-11 22:28:19,318 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 22:28:19,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091778028] [2021-03-11 22:28:19,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 22:28:19,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 22:28:19,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863089204] [2021-03-11 22:28:19,325 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 22:28:19,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 22:28:19,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 22:28:19,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 22:28:19,338 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 21 out of 35 [2021-03-11 22:28:19,340 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 9 places, 5 transitions, 13 flow. Second operand has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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 22:28:19,340 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 22:28:19,340 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 21 of 35 [2021-03-11 22:28:19,341 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 22:28:19,355 INFO L129 PetriNetUnfolder]: 0/7 cut-off events. [2021-03-11 22:28:19,356 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-03-11 22:28:19,356 INFO L84 FinitePrefix]: Finished finitePrefix Result has 18 conditions, 7 events. 0/7 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 3 event pairs, 0 based on Foata normal form. 2/9 useless extension candidates. Maximal degree in co-relation 0. Up to 5 conditions per place. [2021-03-11 22:28:19,357 INFO L132 encePairwiseOnDemand]: 32/35 looper letters, 2 selfloop transitions, 2 changer transitions 1/6 dead transitions. [2021-03-11 22:28:19,357 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 11 places, 6 transitions, 25 flow [2021-03-11 22:28:19,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 22:28:19,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 22:28:19,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 69 transitions. [2021-03-11 22:28:19,366 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.6571428571428571 [2021-03-11 22:28:19,366 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 69 transitions. [2021-03-11 22:28:19,367 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 69 transitions. [2021-03-11 22:28:19,368 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 22:28:19,369 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 69 transitions. [2021-03-11 22:28:19,371 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 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 22:28:19,375 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 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 22:28:19,375 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 35.0) internal successors, (140), 4 states have internal predecessors, (140), 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 22:28:19,377 INFO L185 Difference]: Start difference. First operand has 9 places, 5 transitions, 13 flow. Second operand 3 states and 69 transitions. [2021-03-11 22:28:19,378 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 11 places, 6 transitions, 25 flow [2021-03-11 22:28:19,379 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 10 places, 6 transitions, 24 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-03-11 22:28:19,381 INFO L241 Difference]: Finished difference. Result has 11 places, 5 transitions, 20 flow [2021-03-11 22:28:19,382 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=35, PETRI_DIFFERENCE_MINUEND_FLOW=12, PETRI_DIFFERENCE_MINUEND_PLACES=8, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=5, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=3, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=20, PETRI_PLACES=11, PETRI_TRANSITIONS=5} [2021-03-11 22:28:19,382 INFO L335 CegarLoopForPetriNet]: 9 programPoint places, 2 predicate places. [2021-03-11 22:28:19,382 INFO L480 AbstractCegarLoop]: Abstraction has has 11 places, 5 transitions, 20 flow [2021-03-11 22:28:19,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 22.0) internal successors, (66), 3 states have internal predecessors, (66), 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 22:28:19,383 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 22:28:19,383 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-03-11 22:28:19,383 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 22:28:19,383 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-11 22:28:19,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 22:28:19,384 INFO L82 PathProgramCache]: Analyzing trace with hash 88386107, now seen corresponding path program 1 times [2021-03-11 22:28:19,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 22:28:19,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913157688] [2021-03-11 22:28:19,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 22:28:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 22:28:19,403 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 22:28:19,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-03-11 22:28:19,419 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-03-11 22:28:19,433 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-03-11 22:28:19,433 INFO L620 BasicCegarLoop]: Counterexample might be feasible [2021-03-11 22:28:19,434 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-11 22:28:19,453 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 10:28:19 BasicIcfg [2021-03-11 22:28:19,453 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 22:28:19,455 INFO L168 Benchmark]: Toolchain (without parser) took 1251.07 ms. Allocated memory was 255.9 MB in the beginning and 356.5 MB in the end (delta: 100.7 MB). Free memory was 235.5 MB in the beginning and 325.7 MB in the end (delta: -90.2 MB). Peak memory consumption was 9.1 MB. Max. memory is 16.0 GB. [2021-03-11 22:28:19,456 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 255.9 MB. Free memory is still 238.0 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 22:28:19,457 INFO L168 Benchmark]: CACSL2BoogieTranslator took 149.16 ms. Allocated memory was 255.9 MB in the beginning and 356.5 MB in the end (delta: 100.7 MB). Free memory was 234.9 MB in the beginning and 341.5 MB in the end (delta: -106.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. [2021-03-11 22:28:19,457 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.03 ms. Allocated memory is still 356.5 MB. Free memory was 341.5 MB in the beginning and 340.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 22:28:19,457 INFO L168 Benchmark]: Boogie Preprocessor took 14.09 ms. Allocated memory is still 356.5 MB. Free memory was 340.1 MB in the beginning and 339.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 22:28:19,458 INFO L168 Benchmark]: RCFGBuilder took 198.44 ms. Allocated memory is still 356.5 MB. Free memory was 339.0 MB in the beginning and 328.1 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. [2021-03-11 22:28:19,459 INFO L168 Benchmark]: TraceAbstraction took 841.24 ms. Allocated memory is still 356.5 MB. Free memory was 327.6 MB in the beginning and 325.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 3.9 MB. Max. memory is 16.0 GB. [2021-03-11 22:28:19,464 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 255.9 MB. Free memory is still 238.0 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 149.16 ms. Allocated memory was 255.9 MB in the beginning and 356.5 MB in the end (delta: 100.7 MB). Free memory was 234.9 MB in the beginning and 341.5 MB in the end (delta: -106.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 33.03 ms. Allocated memory is still 356.5 MB. Free memory was 341.5 MB in the beginning and 340.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 14.09 ms. Allocated memory is still 356.5 MB. Free memory was 340.1 MB in the beginning and 339.0 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 198.44 ms. Allocated memory is still 356.5 MB. Free memory was 339.0 MB in the beginning and 328.1 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.0 GB. * TraceAbstraction took 841.24 ms. Allocated memory is still 356.5 MB. Free memory was 327.6 MB in the beginning and 325.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 3.9 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 478.5ms, 21 PlacesBefore, 9 PlacesAfterwards, 17 TransitionsBefore, 5 TransitionsAfterwards, 32 CoEnabledTransitionPairs, 4 FixpointIterations, 7 TrivialSequentialCompositions, 5 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 12 TotalNumberOfCompositions, 40 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 34, positive: 23, positive conditional: 0, positive unconditional: 23, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 26, positive: 18, positive conditional: 0, positive unconditional: 18, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 26, positive: 17, positive conditional: 0, positive unconditional: 17, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 9, positive: 1, positive conditional: 0, positive unconditional: 1, negative: 8, negative conditional: 0, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 45, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 42, negative conditional: 0, negative unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 34, positive: 5, positive conditional: 0, positive unconditional: 5, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 26, unknown conditional: 0, unknown unconditional: 26] , 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: 30]: assertion can be violated assertion can be violated We found a FailurePath: [L15] 0 int x = 0; [L23] 0 pthread_t threadId; [L24] FCALL, FORK 0 pthread_create(&threadId, NULL, &foo, NULL) VAL [arg={0:0}, x=0] [L26] 0 x = 1 VAL [arg={0:0}, x=1] [L18] 1 x = 2 [L19] 1 return (void*)NULL; [L27] 0 x = x + 1 [L30] 0 CodeAnnotStmt[Assertion] VAL [\result={0:0}, arg={0:0}, arg={0:0}, x=3] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 24 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 2.6ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 773.5ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 50.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 519.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 5 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.1ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred 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: 7.3ms SsaConstructionTime, 26.8ms SatisfiabilityAnalysisTime, 40.4ms InterpolantComputationTime, 9 NumberOfCodeBlocks, 9 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 5 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...