/usr/bin/java -Xmx8000000000 -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-FA-VariableLbe.epf -i ../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 04:45:12,903 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 04:45:12,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 04:45:12,921 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 04:45:12,921 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 04:45:12,923 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 04:45:12,924 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 04:45:12,926 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 04:45:12,927 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 04:45:12,928 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 04:45:12,929 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 04:45:12,930 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 04:45:12,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 04:45:12,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 04:45:12,933 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 04:45:12,934 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 04:45:12,934 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 04:45:12,935 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 04:45:12,937 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 04:45:12,939 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 04:45:12,941 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 04:45:12,943 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 04:45:12,945 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 04:45:12,946 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 04:45:12,951 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 04:45:12,952 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 04:45:12,952 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 04:45:12,953 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 04:45:12,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 04:45:12,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 04:45:12,954 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 04:45:12,955 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 04:45:12,956 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 04:45:12,956 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 04:45:12,957 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 04:45:12,958 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 04:45:12,958 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 04:45:12,958 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 04:45:12,959 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 04:45:12,959 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 04:45:12,960 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 04:45:12,961 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-VariableLbe.epf [2019-12-27 04:45:12,975 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 04:45:12,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 04:45:12,976 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 04:45:12,977 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 04:45:12,977 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 04:45:12,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 04:45:12,977 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 04:45:12,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 04:45:12,978 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 04:45:12,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 04:45:12,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 04:45:12,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 04:45:12,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 04:45:12,979 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 04:45:12,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 04:45:12,979 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 04:45:12,979 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 04:45:12,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 04:45:12,980 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 04:45:12,980 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 04:45:12,980 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 04:45:12,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 04:45:12,980 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 04:45:12,981 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 04:45:12,981 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 04:45:12,981 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 04:45:12,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 04:45:12,981 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2019-12-27 04:45:12,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 04:45:12,982 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 04:45:13,262 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 04:45:13,281 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 04:45:13,284 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 04:45:13,285 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 04:45:13,286 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 04:45:13,286 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2019-12-27 04:45:13,363 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3f0afa55/4ae7b2ea698446a4b65a705857110804/FLAGd7ddeb6f1 [2019-12-27 04:45:13,896 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 04:45:13,897 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2019-12-27 04:45:13,916 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3f0afa55/4ae7b2ea698446a4b65a705857110804/FLAGd7ddeb6f1 [2019-12-27 04:45:14,236 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a3f0afa55/4ae7b2ea698446a4b65a705857110804 [2019-12-27 04:45:14,245 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 04:45:14,247 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 04:45:14,248 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 04:45:14,248 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 04:45:14,251 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 04:45:14,251 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 04:45:14" (1/1) ... [2019-12-27 04:45:14,254 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77873b91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:45:14, skipping insertion in model container [2019-12-27 04:45:14,254 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 04:45:14" (1/1) ... [2019-12-27 04:45:14,262 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 04:45:14,311 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 04:45:14,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 04:45:14,779 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 04:45:14,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 04:45:14,948 INFO L208 MainTranslator]: Completed translation [2019-12-27 04:45:14,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:45:14 WrapperNode [2019-12-27 04:45:14,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 04:45:14,950 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 04:45:14,950 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 04:45:14,950 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 04:45:14,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:45:14" (1/1) ... [2019-12-27 04:45:14,991 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:45:14" (1/1) ... [2019-12-27 04:45:15,014 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 04:45:15,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 04:45:15,015 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 04:45:15,015 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 04:45:15,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:45:14" (1/1) ... [2019-12-27 04:45:15,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:45:14" (1/1) ... [2019-12-27 04:45:15,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:45:14" (1/1) ... [2019-12-27 04:45:15,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:45:14" (1/1) ... [2019-12-27 04:45:15,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:45:14" (1/1) ... [2019-12-27 04:45:15,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:45:14" (1/1) ... [2019-12-27 04:45:15,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:45:14" (1/1) ... [2019-12-27 04:45:15,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 04:45:15,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 04:45:15,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 04:45:15,042 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 04:45:15,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:45:14" (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 [2019-12-27 04:45:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2019-12-27 04:45:15,112 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2019-12-27 04:45:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-27 04:45:15,112 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2019-12-27 04:45:15,113 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2019-12-27 04:45:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 04:45:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-27 04:45:15,113 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 04:45:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 04:45:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-27 04:45:15,114 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 04:45:15,114 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 04:45:15,116 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 04:45:15,527 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 04:45:15,528 INFO L287 CfgBuilder]: Removed 4 assume(true) statements. [2019-12-27 04:45:15,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 04:45:15 BoogieIcfgContainer [2019-12-27 04:45:15,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 04:45:15,531 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 04:45:15,531 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 04:45:15,534 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 04:45:15,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 04:45:14" (1/3) ... [2019-12-27 04:45:15,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dbb57bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 04:45:15, skipping insertion in model container [2019-12-27 04:45:15,535 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 04:45:14" (2/3) ... [2019-12-27 04:45:15,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4dbb57bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 04:45:15, skipping insertion in model container [2019-12-27 04:45:15,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 04:45:15" (3/3) ... [2019-12-27 04:45:15,538 INFO L109 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2019-12-27 04:45:15,547 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 04:45:15,547 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 04:45:15,554 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-27 04:45:15,555 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 04:45:15,582 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:45:15,582 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:45:15,583 WARN L315 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:45:15,583 WARN L315 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:45:15,583 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:45:15,584 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:45:15,584 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:45:15,585 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:45:15,585 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:45:15,585 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:45:15,586 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:45:15,586 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:45:15,587 WARN L315 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:45:15,587 WARN L315 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:45:15,587 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:45:15,588 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:45:15,588 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:45:15,589 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:45:15,593 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:45:15,593 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:45:15,594 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:45:15,594 WARN L315 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:45:15,594 WARN L315 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:45:15,595 WARN L315 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:45:15,600 WARN L315 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:45:15,600 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:45:15,601 WARN L315 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:45:15,601 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:45:15,601 WARN L315 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 04:45:15,626 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-27 04:45:15,642 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 04:45:15,642 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 04:45:15,643 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 04:45:15,643 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-27 04:45:15,643 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 04:45:15,643 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 04:45:15,643 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 04:45:15,643 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 04:45:15,659 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 80 places, 79 transitions [2019-12-27 04:45:15,661 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 80 places, 79 transitions [2019-12-27 04:45:15,714 INFO L132 PetriNetUnfolder]: 5/79 cut-off events. [2019-12-27 04:45:15,714 INFO L133 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2019-12-27 04:45:15,721 INFO L76 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 79 events. 5/79 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 92 event pairs. 0/73 useless extension candidates. Maximal degree in co-relation 49. Up to 3 conditions per place. [2019-12-27 04:45:15,724 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 80 places, 79 transitions [2019-12-27 04:45:15,755 INFO L132 PetriNetUnfolder]: 5/79 cut-off events. [2019-12-27 04:45:15,755 INFO L133 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2019-12-27 04:45:15,757 INFO L76 FinitePrefix]: Finished finitePrefix Result has 90 conditions, 79 events. 5/79 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 92 event pairs. 0/73 useless extension candidates. Maximal degree in co-relation 49. Up to 3 conditions per place. [2019-12-27 04:45:15,763 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 886 [2019-12-27 04:45:15,764 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-27 04:45:17,098 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 63 [2019-12-27 04:45:17,991 WARN L192 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 108 [2019-12-27 04:45:18,164 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2019-12-27 04:45:18,175 INFO L206 etLargeBlockEncoding]: Checked pairs total: 3164 [2019-12-27 04:45:18,175 INFO L214 etLargeBlockEncoding]: Total number of compositions: 50 [2019-12-27 04:45:18,179 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 34 places, 33 transitions [2019-12-27 04:45:18,198 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 218 states. [2019-12-27 04:45:18,200 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states. [2019-12-27 04:45:18,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-27 04:45:18,207 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:45:18,208 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-12-27 04:45:18,208 INFO L410 AbstractCegarLoop]: === Iteration 1 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:45:18,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:45:18,215 INFO L82 PathProgramCache]: Analyzing trace with hash 274075472, now seen corresponding path program 1 times [2019-12-27 04:45:18,225 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:45:18,225 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2016084526] [2019-12-27 04:45:18,226 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:45:18,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:45:18,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 04:45:18,453 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2016084526] [2019-12-27 04:45:18,455 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:45:18,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 04:45:18,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134584076] [2019-12-27 04:45:18,461 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 04:45:18,462 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:45:18,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 04:45:18,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:45:18,480 INFO L87 Difference]: Start difference. First operand 218 states. Second operand 3 states. [2019-12-27 04:45:18,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:45:18,531 INFO L93 Difference]: Finished difference Result 218 states and 483 transitions. [2019-12-27 04:45:18,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 04:45:18,534 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-12-27 04:45:18,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:45:18,569 INFO L225 Difference]: With dead ends: 218 [2019-12-27 04:45:18,569 INFO L226 Difference]: Without dead ends: 188 [2019-12-27 04:45:18,570 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:45:18,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2019-12-27 04:45:18,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2019-12-27 04:45:18,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2019-12-27 04:45:18,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 412 transitions. [2019-12-27 04:45:18,656 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 412 transitions. Word has length 5 [2019-12-27 04:45:18,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:45:18,657 INFO L462 AbstractCegarLoop]: Abstraction has 188 states and 412 transitions. [2019-12-27 04:45:18,657 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 04:45:18,657 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 412 transitions. [2019-12-27 04:45:18,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-27 04:45:18,658 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:45:18,658 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:45:18,658 INFO L410 AbstractCegarLoop]: === Iteration 2 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:45:18,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:45:18,659 INFO L82 PathProgramCache]: Analyzing trace with hash -18342786, now seen corresponding path program 1 times [2019-12-27 04:45:18,659 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:45:18,659 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158609403] [2019-12-27 04:45:18,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:45:18,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:45:18,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 04:45:18,728 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158609403] [2019-12-27 04:45:18,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:45:18,729 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 04:45:18,729 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207215213] [2019-12-27 04:45:18,730 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 04:45:18,732 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:45:18,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 04:45:18,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:45:18,732 INFO L87 Difference]: Start difference. First operand 188 states and 412 transitions. Second operand 3 states. [2019-12-27 04:45:18,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:45:18,786 INFO L93 Difference]: Finished difference Result 193 states and 398 transitions. [2019-12-27 04:45:18,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 04:45:18,788 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-12-27 04:45:18,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:45:18,790 INFO L225 Difference]: With dead ends: 193 [2019-12-27 04:45:18,792 INFO L226 Difference]: Without dead ends: 161 [2019-12-27 04:45:18,793 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:45:18,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2019-12-27 04:45:18,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 147. [2019-12-27 04:45:18,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-12-27 04:45:18,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 314 transitions. [2019-12-27 04:45:18,821 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 314 transitions. Word has length 8 [2019-12-27 04:45:18,824 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:45:18,824 INFO L462 AbstractCegarLoop]: Abstraction has 147 states and 314 transitions. [2019-12-27 04:45:18,824 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 04:45:18,824 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 314 transitions. [2019-12-27 04:45:18,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-12-27 04:45:18,825 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:45:18,826 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:45:18,826 INFO L410 AbstractCegarLoop]: === Iteration 3 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:45:18,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:45:18,826 INFO L82 PathProgramCache]: Analyzing trace with hash 244735544, now seen corresponding path program 1 times [2019-12-27 04:45:18,827 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:45:18,829 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400143965] [2019-12-27 04:45:18,829 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:45:18,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:45:18,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 04:45:18,923 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400143965] [2019-12-27 04:45:18,924 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:45:18,924 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 04:45:18,924 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89122623] [2019-12-27 04:45:18,924 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 04:45:18,924 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:45:18,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 04:45:18,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:45:18,925 INFO L87 Difference]: Start difference. First operand 147 states and 314 transitions. Second operand 3 states. [2019-12-27 04:45:18,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:45:18,946 INFO L93 Difference]: Finished difference Result 140 states and 283 transitions. [2019-12-27 04:45:18,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 04:45:18,947 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2019-12-27 04:45:18,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:45:18,948 INFO L225 Difference]: With dead ends: 140 [2019-12-27 04:45:18,948 INFO L226 Difference]: Without dead ends: 96 [2019-12-27 04:45:18,948 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:45:18,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2019-12-27 04:45:18,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2019-12-27 04:45:18,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2019-12-27 04:45:18,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 181 transitions. [2019-12-27 04:45:18,959 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 181 transitions. Word has length 8 [2019-12-27 04:45:18,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:45:18,959 INFO L462 AbstractCegarLoop]: Abstraction has 96 states and 181 transitions. [2019-12-27 04:45:18,959 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 04:45:18,959 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 181 transitions. [2019-12-27 04:45:18,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-27 04:45:18,960 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:45:18,960 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:45:18,961 INFO L410 AbstractCegarLoop]: === Iteration 4 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:45:18,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:45:18,961 INFO L82 PathProgramCache]: Analyzing trace with hash -907722729, now seen corresponding path program 1 times [2019-12-27 04:45:18,961 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:45:18,962 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402562790] [2019-12-27 04:45:18,962 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:45:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:45:19,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 04:45:19,003 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402562790] [2019-12-27 04:45:19,003 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:45:19,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 04:45:19,004 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057507255] [2019-12-27 04:45:19,004 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 04:45:19,004 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:45:19,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 04:45:19,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:45:19,005 INFO L87 Difference]: Start difference. First operand 96 states and 181 transitions. Second operand 3 states. [2019-12-27 04:45:19,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:45:19,013 INFO L93 Difference]: Finished difference Result 96 states and 175 transitions. [2019-12-27 04:45:19,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 04:45:19,013 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-12-27 04:45:19,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:45:19,014 INFO L225 Difference]: With dead ends: 96 [2019-12-27 04:45:19,014 INFO L226 Difference]: Without dead ends: 78 [2019-12-27 04:45:19,015 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 04:45:19,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2019-12-27 04:45:19,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2019-12-27 04:45:19,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2019-12-27 04:45:19,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 139 transitions. [2019-12-27 04:45:19,021 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 139 transitions. Word has length 13 [2019-12-27 04:45:19,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:45:19,021 INFO L462 AbstractCegarLoop]: Abstraction has 78 states and 139 transitions. [2019-12-27 04:45:19,021 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 04:45:19,021 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 139 transitions. [2019-12-27 04:45:19,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-27 04:45:19,022 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 04:45:19,022 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 04:45:19,023 INFO L410 AbstractCegarLoop]: === Iteration 5 === [de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 04:45:19,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 04:45:19,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1500778141, now seen corresponding path program 1 times [2019-12-27 04:45:19,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 04:45:19,024 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681465322] [2019-12-27 04:45:19,024 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 04:45:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 04:45:19,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 04:45:19,109 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681465322] [2019-12-27 04:45:19,109 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 04:45:19,110 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-27 04:45:19,110 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928177052] [2019-12-27 04:45:19,111 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 04:45:19,111 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 04:45:19,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 04:45:19,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-27 04:45:19,112 INFO L87 Difference]: Start difference. First operand 78 states and 139 transitions. Second operand 6 states. [2019-12-27 04:45:19,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 04:45:19,171 INFO L93 Difference]: Finished difference Result 26 states and 43 transitions. [2019-12-27 04:45:19,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 04:45:19,171 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2019-12-27 04:45:19,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 04:45:19,171 INFO L225 Difference]: With dead ends: 26 [2019-12-27 04:45:19,172 INFO L226 Difference]: Without dead ends: 0 [2019-12-27 04:45:19,172 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-12-27 04:45:19,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-27 04:45:19,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-27 04:45:19,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-27 04:45:19,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-27 04:45:19,173 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2019-12-27 04:45:19,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 04:45:19,173 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-27 04:45:19,174 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 04:45:19,174 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-27 04:45:19,174 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-27 04:45:19,178 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 04:45:19 BasicIcfg [2019-12-27 04:45:19,178 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 04:45:19,180 INFO L168 Benchmark]: Toolchain (without parser) took 4933.51 ms. Allocated memory was 138.4 MB in the beginning and 248.5 MB in the end (delta: 110.1 MB). Free memory was 101.9 MB in the beginning and 180.1 MB in the end (delta: -78.2 MB). Peak memory consumption was 31.9 MB. Max. memory is 7.1 GB. [2019-12-27 04:45:19,181 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-27 04:45:19,182 INFO L168 Benchmark]: CACSL2BoogieTranslator took 701.53 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 101.7 MB in the beginning and 159.5 MB in the end (delta: -57.8 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. [2019-12-27 04:45:19,183 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.73 ms. Allocated memory is still 202.4 MB. Free memory was 159.5 MB in the beginning and 157.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 04:45:19,184 INFO L168 Benchmark]: Boogie Preprocessor took 26.75 ms. Allocated memory is still 202.4 MB. Free memory was 157.4 MB in the beginning and 155.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 04:45:19,185 INFO L168 Benchmark]: RCFGBuilder took 487.87 ms. Allocated memory is still 202.4 MB. Free memory was 155.4 MB in the beginning and 131.9 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. [2019-12-27 04:45:19,185 INFO L168 Benchmark]: TraceAbstraction took 3647.29 ms. Allocated memory was 202.4 MB in the beginning and 248.5 MB in the end (delta: 46.1 MB). Free memory was 131.2 MB in the beginning and 180.1 MB in the end (delta: -48.9 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-12-27 04:45:19,190 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 138.4 MB. Free memory was 121.6 MB in the beginning and 121.4 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 701.53 ms. Allocated memory was 138.4 MB in the beginning and 202.4 MB in the end (delta: 64.0 MB). Free memory was 101.7 MB in the beginning and 159.5 MB in the end (delta: -57.8 MB). Peak memory consumption was 24.0 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 64.73 ms. Allocated memory is still 202.4 MB. Free memory was 159.5 MB in the beginning and 157.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 26.75 ms. Allocated memory is still 202.4 MB. Free memory was 157.4 MB in the beginning and 155.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 487.87 ms. Allocated memory is still 202.4 MB. Free memory was 155.4 MB in the beginning and 131.9 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3647.29 ms. Allocated memory was 202.4 MB in the beginning and 248.5 MB in the end (delta: 46.1 MB). Free memory was 131.2 MB in the beginning and 180.1 MB in the end (delta: -48.9 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.5s, 80 ProgramPointsBefore, 34 ProgramPointsAfterwards, 79 TransitionsBefore, 33 TransitionsAfterwards, 886 CoEnabledTransitionPairs, 7 FixpointIterations, 31 TrivialSequentialCompositions, 14 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 405 VarBasedMoverChecksPositive, 29 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 3164 CheckedPairsTotal, 50 TotalNumberOfCompositions - PositiveResult [Line: 688]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 696]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 74 locations, 2 error locations. Result: SAFE, OverallTime: 3.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 125 SDtfs, 85 SDslu, 65 SDs, 0 SdLazy, 27 SolverSat, 11 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=218occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 14 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 42 ConstructedInterpolants, 0 QuantifiedInterpolants, 994 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...