/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe-SemanticLooper.epf -i ../../../trunk/examples/svcomp/pthread/bigshot_s.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-16 02:55:44,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-16 02:55:44,873 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-16 02:55:44,910 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-16 02:55:44,910 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-16 02:55:44,921 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-16 02:55:44,923 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-16 02:55:44,926 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-16 02:55:44,929 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-16 02:55:44,932 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-16 02:55:44,933 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-16 02:55:44,935 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-16 02:55:44,936 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-16 02:55:44,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-16 02:55:44,941 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-16 02:55:44,942 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-16 02:55:44,944 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-16 02:55:44,945 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-16 02:55:44,947 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-16 02:55:44,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-16 02:55:44,958 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-16 02:55:44,959 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-16 02:55:44,960 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-16 02:55:44,961 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-16 02:55:44,966 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-16 02:55:44,966 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-16 02:55:44,966 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-16 02:55:44,969 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-16 02:55:44,969 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-16 02:55:44,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-16 02:55:44,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-16 02:55:44,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-16 02:55:44,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-16 02:55:44,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-16 02:55:44,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-16 02:55:44,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-16 02:55:44,975 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-16 02:55:44,975 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-16 02:55:44,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-16 02:55:44,976 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-16 02:55:44,977 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-16 02:55:44,978 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-SemanticLooper.epf [2020-10-16 02:55:45,021 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-16 02:55:45,021 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-16 02:55:45,023 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-16 02:55:45,023 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-16 02:55:45,023 INFO L138 SettingsManager]: * Use SBE=true [2020-10-16 02:55:45,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-16 02:55:45,024 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-16 02:55:45,024 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-16 02:55:45,024 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-16 02:55:45,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-16 02:55:45,025 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-16 02:55:45,026 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-16 02:55:45,026 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-16 02:55:45,026 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-16 02:55:45,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-16 02:55:45,027 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-16 02:55:45,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-16 02:55:45,027 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-16 02:55:45,027 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-16 02:55:45,027 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-16 02:55:45,028 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-16 02:55:45,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-16 02:55:45,028 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-16 02:55:45,028 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-16 02:55:45,028 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-16 02:55:45,029 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-16 02:55:45,029 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-16 02:55:45,029 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2020-10-16 02:55:45,029 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-16 02:55:45,325 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-16 02:55:45,341 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-16 02:55:45,345 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-16 02:55:45,347 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-16 02:55:45,348 INFO L275 PluginConnector]: CDTParser initialized [2020-10-16 02:55:45,348 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/bigshot_s.i [2020-10-16 02:55:45,427 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b32bf8a9/a9b86728253743318d41b1d8150a54e0/FLAG3858f5b48 [2020-10-16 02:55:46,013 INFO L306 CDTParser]: Found 1 translation units. [2020-10-16 02:55:46,014 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/bigshot_s.i [2020-10-16 02:55:46,030 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b32bf8a9/a9b86728253743318d41b1d8150a54e0/FLAG3858f5b48 [2020-10-16 02:55:46,270 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b32bf8a9/a9b86728253743318d41b1d8150a54e0 [2020-10-16 02:55:46,278 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-16 02:55:46,279 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-16 02:55:46,280 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-16 02:55:46,281 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-16 02:55:46,284 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-16 02:55:46,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:55:46" (1/1) ... [2020-10-16 02:55:46,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@387ec839 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:46, skipping insertion in model container [2020-10-16 02:55:46,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 02:55:46" (1/1) ... [2020-10-16 02:55:46,292 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-16 02:55:46,342 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-16 02:55:46,891 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 02:55:46,903 INFO L203 MainTranslator]: Completed pre-run [2020-10-16 02:55:46,946 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-16 02:55:47,152 INFO L208 MainTranslator]: Completed translation [2020-10-16 02:55:47,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:47 WrapperNode [2020-10-16 02:55:47,155 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-16 02:55:47,156 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-16 02:55:47,157 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-16 02:55:47,157 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-16 02:55:47,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:47" (1/1) ... [2020-10-16 02:55:47,219 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:47" (1/1) ... [2020-10-16 02:55:47,256 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-16 02:55:47,258 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-16 02:55:47,258 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-16 02:55:47,258 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-16 02:55:47,268 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:47" (1/1) ... [2020-10-16 02:55:47,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:47" (1/1) ... [2020-10-16 02:55:47,278 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:47" (1/1) ... [2020-10-16 02:55:47,279 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:47" (1/1) ... [2020-10-16 02:55:47,286 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:47" (1/1) ... [2020-10-16 02:55:47,290 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:47" (1/1) ... [2020-10-16 02:55:47,292 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:47" (1/1) ... [2020-10-16 02:55:47,295 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-16 02:55:47,296 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-16 02:55:47,296 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-16 02:55:47,296 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-16 02:55:47,297 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:47" (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 [2020-10-16 02:55:47,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-16 02:55:47,364 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-16 02:55:47,364 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-16 02:55:47,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-16 02:55:47,364 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-16 02:55:47,365 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-16 02:55:47,365 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-16 02:55:47,365 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-16 02:55:47,365 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-16 02:55:47,365 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-16 02:55:47,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-16 02:55:47,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-16 02:55:47,368 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-16 02:55:47,741 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-16 02:55:47,741 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-10-16 02:55:47,743 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:55:47 BoogieIcfgContainer [2020-10-16 02:55:47,743 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-16 02:55:47,744 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-16 02:55:47,744 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-16 02:55:47,748 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-16 02:55:47,748 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 02:55:46" (1/3) ... [2020-10-16 02:55:47,750 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@739e9880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:55:47, skipping insertion in model container [2020-10-16 02:55:47,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 02:55:47" (2/3) ... [2020-10-16 02:55:47,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@739e9880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 02:55:47, skipping insertion in model container [2020-10-16 02:55:47,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 02:55:47" (3/3) ... [2020-10-16 02:55:47,753 INFO L111 eAbstractionObserver]: Analyzing ICFG bigshot_s.i [2020-10-16 02:55:47,766 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-16 02:55:47,777 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-16 02:55:47,778 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-16 02:55:47,805 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,806 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,806 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,806 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,807 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,807 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,807 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,808 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,808 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,808 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,809 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,809 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,810 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,810 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,810 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,810 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,811 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,811 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,811 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,811 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,812 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,815 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,815 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,816 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,816 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,816 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,816 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,816 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,816 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,817 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,817 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,817 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,817 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,818 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,818 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,818 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,818 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,819 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,819 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,821 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,822 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,822 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,822 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,822 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,823 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,823 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,823 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,828 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,829 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,829 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,829 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,829 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,830 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,830 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,830 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,831 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,831 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,832 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,832 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,833 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,833 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,840 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,840 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,840 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,841 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,841 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,841 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-16 02:55:47,871 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-16 02:55:47,896 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-16 02:55:47,896 INFO L378 AbstractCegarLoop]: Hoare is false [2020-10-16 02:55:47,896 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-16 02:55:47,897 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-16 02:55:47,897 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-16 02:55:47,897 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-16 02:55:47,897 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-16 02:55:47,897 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-16 02:55:47,912 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 70 places, 70 transitions, 162 flow [2020-10-16 02:55:47,954 INFO L129 PetriNetUnfolder]: 5/66 cut-off events. [2020-10-16 02:55:47,954 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 02:55:47,958 INFO L80 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 66 events. 5/66 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 50 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2020-10-16 02:55:47,958 INFO L82 GeneralOperation]: Start removeDead. Operand has 70 places, 70 transitions, 162 flow [2020-10-16 02:55:47,964 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 58 places, 55 transitions, 122 flow [2020-10-16 02:55:47,967 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-16 02:55:47,970 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 58 places, 55 transitions, 122 flow [2020-10-16 02:55:47,973 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 58 places, 55 transitions, 122 flow [2020-10-16 02:55:47,973 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 58 places, 55 transitions, 122 flow [2020-10-16 02:55:47,992 INFO L129 PetriNetUnfolder]: 4/55 cut-off events. [2020-10-16 02:55:47,993 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 02:55:47,993 INFO L80 FinitePrefix]: Finished finitePrefix Result has 64 conditions, 55 events. 4/55 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 48 event pairs, 0 based on Foata normal form. 0/51 useless extension candidates. Maximal degree in co-relation 39. Up to 2 conditions per place. [2020-10-16 02:55:47,995 INFO L117 LiptonReduction]: Number of co-enabled transitions 96 [2020-10-16 02:55:49,278 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2020-10-16 02:55:49,524 INFO L132 LiptonReduction]: Checked pairs total: 121 [2020-10-16 02:55:49,524 INFO L134 LiptonReduction]: Total number of compositions: 53 [2020-10-16 02:55:49,527 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 1562 [2020-10-16 02:55:49,535 INFO L129 PetriNetUnfolder]: 2/13 cut-off events. [2020-10-16 02:55:49,535 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 02:55:49,535 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:55:49,536 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:55:49,537 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:55:49,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:55:49,543 INFO L82 PathProgramCache]: Analyzing trace with hash 636355071, now seen corresponding path program 1 times [2020-10-16 02:55:49,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:55:49,553 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571722756] [2020-10-16 02:55:49,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:55:49,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-16 02:55:49,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-16 02:55:49,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571722756] [2020-10-16 02:55:49,758 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-16 02:55:49,759 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-16 02:55:49,759 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1680553114] [2020-10-16 02:55:49,769 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-16 02:55:49,770 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-16 02:55:49,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-16 02:55:49,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-16 02:55:49,790 INFO L507 CegarLoopForPetriNet]: Number of universal loopers: 86 out of 123 [2020-10-16 02:55:49,792 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 19 places, 14 transitions, 40 flow. Second operand 3 states. [2020-10-16 02:55:49,793 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2020-10-16 02:55:49,793 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 86 of 123 [2020-10-16 02:55:49,794 INFO L71 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2020-10-16 02:55:49,816 INFO L129 PetriNetUnfolder]: 1/13 cut-off events. [2020-10-16 02:55:49,816 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-10-16 02:55:49,817 INFO L80 FinitePrefix]: Finished finitePrefix Result has 27 conditions, 13 events. 1/13 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 3 event pairs, 0 based on Foata normal form. 0/12 useless extension candidates. Maximal degree in co-relation 13. Up to 3 conditions per place. [2020-10-16 02:55:49,818 INFO L132 encePairwiseOnDemand]: 121/123 looper letters, 3 selfloop transitions, 1 changer transitions 0/13 dead transitions. [2020-10-16 02:55:49,818 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 21 places, 13 transitions, 46 flow [2020-10-16 02:55:49,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-16 02:55:49,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2020-10-16 02:55:49,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 263 transitions. [2020-10-16 02:55:49,840 INFO L552 CegarLoopForPetriNet]: DFA transition density 0.7127371273712737 [2020-10-16 02:55:49,841 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 263 transitions. [2020-10-16 02:55:49,842 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 263 transitions. [2020-10-16 02:55:49,844 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-16 02:55:49,847 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 263 transitions. [2020-10-16 02:55:49,851 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 4 states. [2020-10-16 02:55:49,857 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result 4 states. [2020-10-16 02:55:49,857 INFO L81 ComplementDD]: Finished complementDD. Result 4 states. [2020-10-16 02:55:49,860 INFO L185 Difference]: Start difference. First operand has 19 places, 14 transitions, 40 flow. Second operand 3 states and 263 transitions. [2020-10-16 02:55:49,861 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 21 places, 13 transitions, 46 flow [2020-10-16 02:55:49,864 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 17 places, 13 transitions, 38 flow, removed 0 selfloop flow, removed 4 redundant places. [2020-10-16 02:55:49,865 INFO L241 Difference]: Finished difference. Result has 17 places, 13 transitions, 32 flow [2020-10-16 02:55:49,868 INFO L326 CegarLoopForPetriNet]: {PETRI_ALPHABET=123, PETRI_DIFFERENCE_MINUEND_FLOW=30, PETRI_DIFFERENCE_MINUEND_PLACES=15, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=12, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=32, PETRI_PLACES=17, PETRI_TRANSITIONS=13} [2020-10-16 02:55:49,869 INFO L342 CegarLoopForPetriNet]: 19 programPoint places, -2 predicate places. [2020-10-16 02:55:49,870 INFO L481 AbstractCegarLoop]: Abstraction has has 17 places, 13 transitions, 32 flow [2020-10-16 02:55:49,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-16 02:55:49,870 INFO L247 CegarLoopForPetriNet]: Found error trace [2020-10-16 02:55:49,870 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-16 02:55:49,870 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-16 02:55:49,871 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-16 02:55:49,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-16 02:55:49,871 INFO L82 PathProgramCache]: Analyzing trace with hash -1745933699, now seen corresponding path program 1 times [2020-10-16 02:55:49,871 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-16 02:55:49,872 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263878249] [2020-10-16 02:55:49,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-16 02:55:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 02:55:49,909 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 02:55:49,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-16 02:55:49,946 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-16 02:55:49,975 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-16 02:55:49,975 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-16 02:55:49,977 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-16 02:55:49,978 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 02:55:49,978 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-16 02:55:49,989 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [238] [238] L-1-6-->thread2EXIT: Formula: (and (= |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base_In-1909401286| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_In-1909401286|) (= |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset_In-1909401286| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset_In-1909401286|) (= (select (select |#memory_int_In-1909401286| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base_In-1909401286|) (+ |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12_In-1909401286| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset_In-1909401286|)) |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13_Out-1909401286|) (= |thread2Thread1of1ForFork0_#res.base_Out-1909401286| 0) (= |#memory_int_Out-1909401286| (store |#memory_int_In-1909401286| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_In-1909401286| (store (select |#memory_int_In-1909401286| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_In-1909401286|) (+ |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12_In-1909401286| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset_In-1909401286|) |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13_Out-1909401286|))) (= |thread2Thread1of1ForFork0_#res.offset_Out-1909401286| 0) (= 0 |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13_Out-1909401286|)) InVars {thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_In-1909401286|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12_In-1909401286|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset_In-1909401286|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base_In-1909401286|, #memory_int=|#memory_int_In-1909401286|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset_In-1909401286|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset_In-1909401286|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base_In-1909401286|} OutVars{thread2Thread1of1ForFork0_#res.offset=|thread2Thread1of1ForFork0_#res.offset_Out-1909401286|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12_In-1909401286|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset_In-1909401286|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base_In-1909401286|, thread2Thread1of1ForFork0_#t~strcpy~res4.base=|thread2Thread1of1ForFork0_#t~strcpy~res4.base_Out-1909401286|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset_In-1909401286|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base_In-1909401286|, thread2Thread1of1ForFork0_#t~strcpy~res4.offset=|thread2Thread1of1ForFork0_#t~strcpy~res4.offset_Out-1909401286|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_In-1909401286|, thread2Thread1of1ForFork0_#res.base=|thread2Thread1of1ForFork0_#res.base_Out-1909401286|, #memory_int=|#memory_int_Out-1909401286|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset_In-1909401286|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13_Out-1909401286|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_#res.offset, thread2Thread1of1ForFork0_#res.base, thread2Thread1of1ForFork0_#t~strcpy~res4.base, #memory_int, thread2Thread1of1ForFork0_#t~strcpy~res4.offset, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13] because there is no mapped edge [2020-10-16 02:55:49,990 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [240] [240] L1106-2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= ULTIMATE.start___VERIFIER_assert_~expression_Out-1383913640 0) (= ULTIMATE.start___VERIFIER_assert_~expression_Out-1383913640 |ULTIMATE.start___VERIFIER_assert_#in~expression_Out-1383913640|) (not |ULTIMATE.start_main_#t~short10_Out-1383913640|) (= |ULTIMATE.start_main_#t~mem9_Out-1383913640| (select (select |#memory_int_In-1383913640| ~v~0.base_In-1383913640) ~v~0.offset_In-1383913640)) (not (= 66 |ULTIMATE.start_main_#t~mem9_Out-1383913640|)) (or (not (= ~v~0.base_In-1383913640 0)) (not (= ~v~0.offset_In-1383913640 0)))) InVars {~v~0.offset=~v~0.offset_In-1383913640, #memory_int=|#memory_int_In-1383913640|, ~v~0.base=~v~0.base_In-1383913640} OutVars{ULTIMATE.start_main_#t~mem9=|ULTIMATE.start_main_#t~mem9_Out-1383913640|, ULTIMATE.start_main_#t~mem8=|ULTIMATE.start_main_#t~mem8_Out-1383913640|, ULTIMATE.start___VERIFIER_assert_~expression=ULTIMATE.start___VERIFIER_assert_~expression_Out-1383913640, ~v~0.offset=~v~0.offset_In-1383913640, #memory_int=|#memory_int_In-1383913640|, ULTIMATE.start_main_#t~short10=|ULTIMATE.start_main_#t~short10_Out-1383913640|, ~v~0.base=~v~0.base_In-1383913640, ULTIMATE.start___VERIFIER_assert_#in~expression=|ULTIMATE.start___VERIFIER_assert_#in~expression_Out-1383913640|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem9, ULTIMATE.start_main_#t~mem8, ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_main_#t~short10, ULTIMATE.start___VERIFIER_assert_#in~expression] because there is no mapped edge [2020-10-16 02:55:50,000 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-16 02:55:50,001 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-16 02:55:50,002 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-16 02:55:50,002 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-16 02:55:50,002 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-16 02:55:50,003 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-16 02:55:50,003 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-16 02:55:50,003 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-16 02:55:50,004 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-16 02:55:50,004 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-16 02:55:50,004 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-10-16 02:55:50,004 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-16 02:55:50,005 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-10-16 02:55:50,005 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-10-16 02:55:50,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 02:55:50 BasicIcfg [2020-10-16 02:55:50,028 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-16 02:55:50,031 INFO L168 Benchmark]: Toolchain (without parser) took 3750.68 ms. Allocated memory was 253.2 MB in the beginning and 373.8 MB in the end (delta: 120.6 MB). Free memory was 205.7 MB in the beginning and 287.8 MB in the end (delta: -82.0 MB). Peak memory consumption was 38.6 MB. Max. memory is 14.2 GB. [2020-10-16 02:55:50,032 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 253.2 MB. Free memory was 228.8 MB in the beginning and 227.9 MB in the end (delta: 839.1 kB). Peak memory consumption was 839.1 kB. Max. memory is 14.2 GB. [2020-10-16 02:55:50,033 INFO L168 Benchmark]: CACSL2BoogieTranslator took 874.72 ms. Allocated memory was 253.2 MB in the beginning and 320.9 MB in the end (delta: 67.6 MB). Free memory was 205.7 MB in the beginning and 237.5 MB in the end (delta: -31.8 MB). Peak memory consumption was 46.3 MB. Max. memory is 14.2 GB. [2020-10-16 02:55:50,034 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.19 ms. Allocated memory is still 320.9 MB. Free memory was 237.5 MB in the beginning and 235.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. [2020-10-16 02:55:50,034 INFO L168 Benchmark]: Boogie Preprocessor took 37.48 ms. Allocated memory is still 320.9 MB. Free memory was 235.0 MB in the beginning and 233.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-16 02:55:50,035 INFO L168 Benchmark]: RCFGBuilder took 447.42 ms. Allocated memory is still 320.9 MB. Free memory was 233.3 MB in the beginning and 209.7 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 14.2 GB. [2020-10-16 02:55:50,036 INFO L168 Benchmark]: TraceAbstraction took 2284.08 ms. Allocated memory was 320.9 MB in the beginning and 373.8 MB in the end (delta: 53.0 MB). Free memory was 208.9 MB in the beginning and 287.8 MB in the end (delta: -78.9 MB). There was no memory consumed. Max. memory is 14.2 GB. [2020-10-16 02:55:50,041 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 253.2 MB. Free memory was 228.8 MB in the beginning and 227.9 MB in the end (delta: 839.1 kB). Peak memory consumption was 839.1 kB. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 874.72 ms. Allocated memory was 253.2 MB in the beginning and 320.9 MB in the end (delta: 67.6 MB). Free memory was 205.7 MB in the beginning and 237.5 MB in the end (delta: -31.8 MB). Peak memory consumption was 46.3 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 101.19 ms. Allocated memory is still 320.9 MB. Free memory was 237.5 MB in the beginning and 235.0 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 37.48 ms. Allocated memory is still 320.9 MB. Free memory was 235.0 MB in the beginning and 233.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * RCFGBuilder took 447.42 ms. Allocated memory is still 320.9 MB. Free memory was 233.3 MB in the beginning and 209.7 MB in the end (delta: 23.6 MB). Peak memory consumption was 23.6 MB. Max. memory is 14.2 GB. * TraceAbstraction took 2284.08 ms. Allocated memory was 320.9 MB in the beginning and 373.8 MB in the end (delta: 53.0 MB). Free memory was 208.9 MB in the beginning and 287.8 MB in the end (delta: -78.9 MB). There was no memory consumed. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 67 VarBasedMoverChecksPositive, 7 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 7 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 5 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 1.5s, 58 PlacesBefore, 19 PlacesAfterwards, 55 TransitionsBefore, 14 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 5 FixpointIterations, 21 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 2 TrivialYvCompositions, 7 ConcurrentYvCompositions, 2 ChoiceCompositions, 53 TotalNumberOfCompositions, 121 MoverChecksTotal - UnprovableResult [Line: 1088]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of large string literal at line 1097. Possible FailurePath: [L1089] 0 char *v; [L1102] 0 pthread_t t1, t2; [L1103] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, v={0:0}] [L1104] 0 \read(t1) VAL [arg={0:0}, v={0:0}] [L1092] 1 v = malloc(sizeof(char) * 8) [L1093] 1 return 0; [L1104] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1105] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1097] COND TRUE 2 \read(*v) [L1097] CALL 2 strcpy(v, "Bigshot") [L1106] 0 \read(t2) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1106] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: UNSAFE, OverallTime: 2.0s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.6s, HoareTripleCheckerStatistics: 2 SDtfs, 2 SDslu, 0 SDs, 0 SdLazy, 3 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 220 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 could not prove your program: unable to determine feasibility of some traces Received shutdown request...