/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/pthread/stateful01-2.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 13:05:18,059 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 13:05:18,063 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 13:05:18,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 13:05:18,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 13:05:18,109 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 13:05:18,110 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 13:05:18,113 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 13:05:18,115 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 13:05:18,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 13:05:18,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 13:05:18,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 13:05:18,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 13:05:18,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 13:05:18,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 13:05:18,125 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 13:05:18,146 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 13:05:18,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 13:05:18,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 13:05:18,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 13:05:18,155 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 13:05:18,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 13:05:18,158 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 13:05:18,159 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 13:05:18,166 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 13:05:18,168 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 13:05:18,169 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 13:05:18,171 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 13:05:18,172 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 13:05:18,176 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 13:05:18,176 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 13:05:18,177 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 13:05:18,181 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 13:05:18,183 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 13:05:18,185 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 13:05:18,185 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 13:05:18,186 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 13:05:18,187 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 13:05:18,187 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 13:05:18,188 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 13:05:18,193 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 13:05:18,196 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 13:05:18,244 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 13:05:18,244 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 13:05:18,249 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 13:05:18,250 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 13:05:18,250 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 13:05:18,250 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 13:05:18,250 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 13:05:18,251 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 13:05:18,251 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 13:05:18,251 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 13:05:18,252 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 13:05:18,252 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 13:05:18,253 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 13:05:18,253 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 13:05:18,253 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 13:05:18,253 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 13:05:18,254 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 13:05:18,254 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 13:05:18,254 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 13:05:18,254 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 13:05:18,254 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 13:05:18,255 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 13:05:18,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 13:05:18,255 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 13:05:18,255 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 13:05:18,256 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 13:05:18,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 13:05:18,716 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 13:05:18,719 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 13:05:18,721 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 13:05:18,722 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 13:05:18,723 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/pthread/stateful01-2.i [2020-12-23 13:05:18,814 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/0498cf210/ff7b60a3357a40fe9aa1769fabe79836/FLAGac389e7c5 [2020-12-23 13:05:19,643 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 13:05:19,645 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/pthread/stateful01-2.i [2020-12-23 13:05:19,670 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/0498cf210/ff7b60a3357a40fe9aa1769fabe79836/FLAGac389e7c5 [2020-12-23 13:05:19,921 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/0498cf210/ff7b60a3357a40fe9aa1769fabe79836 [2020-12-23 13:05:19,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 13:05:19,926 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 13:05:19,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 13:05:19,929 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 13:05:19,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 13:05:19,935 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:05:19" (1/1) ... [2020-12-23 13:05:19,938 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ecd8318 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:05:19, skipping insertion in model container [2020-12-23 13:05:19,938 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 01:05:19" (1/1) ... [2020-12-23 13:05:19,947 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 13:05:20,016 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~data1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~data2~0,GLOBAL] [2020-12-23 13:05:20,459 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/pthread/stateful01-2.i[30826,30839] [2020-12-23 13:05:20,464 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 13:05:20,491 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~data1~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~data2~0,GLOBAL] [2020-12-23 13:05:20,593 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/pthread/stateful01-2.i[30826,30839] [2020-12-23 13:05:20,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 13:05:20,785 INFO L208 MainTranslator]: Completed translation [2020-12-23 13:05:20,786 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:05:20 WrapperNode [2020-12-23 13:05:20,786 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 13:05:20,789 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 13:05:20,792 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 13:05:20,792 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 13:05:20,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:05:20" (1/1) ... [2020-12-23 13:05:20,842 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:05:20" (1/1) ... [2020-12-23 13:05:20,893 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 13:05:20,897 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 13:05:20,897 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 13:05:20,897 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 13:05:20,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:05:20" (1/1) ... [2020-12-23 13:05:20,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:05:20" (1/1) ... [2020-12-23 13:05:20,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:05:20" (1/1) ... [2020-12-23 13:05:20,919 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:05:20" (1/1) ... [2020-12-23 13:05:20,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:05:20" (1/1) ... [2020-12-23 13:05:20,944 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:05:20" (1/1) ... [2020-12-23 13:05:20,948 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:05:20" (1/1) ... [2020-12-23 13:05:20,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 13:05:20,960 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 13:05:20,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 13:05:20,963 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 13:05:20,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:05:20" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/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 [2020-12-23 13:05:21,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-23 13:05:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-12-23 13:05:21,071 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-12-23 13:05:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-12-23 13:05:21,071 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-12-23 13:05:21,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-23 13:05:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-12-23 13:05:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 13:05:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-23 13:05:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 13:05:21,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 13:05:21,072 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 13:05:21,074 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-23 13:05:21,677 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 13:05:21,677 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2020-12-23 13:05:21,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:05:21 BoogieIcfgContainer [2020-12-23 13:05:21,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 13:05:21,681 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 13:05:21,681 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 13:05:21,685 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 13:05:21,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 01:05:19" (1/3) ... [2020-12-23 13:05:21,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@276702c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:05:21, skipping insertion in model container [2020-12-23 13:05:21,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 01:05:20" (2/3) ... [2020-12-23 13:05:21,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@276702c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 01:05:21, skipping insertion in model container [2020-12-23 13:05:21,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:05:21" (3/3) ... [2020-12-23 13:05:21,688 INFO L111 eAbstractionObserver]: Analyzing ICFG stateful01-2.i [2020-12-23 13:05:21,695 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-23 13:05:21,696 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 13:05:21,701 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-23 13:05:21,702 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-23 13:05:21,736 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,737 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,737 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,737 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,737 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,738 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,738 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,738 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,738 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,738 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,739 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,739 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,739 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,739 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,740 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,740 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,740 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,740 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,740 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,741 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,741 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,741 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,741 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,742 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,742 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,742 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,742 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,742 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,743 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,743 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,743 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,743 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,744 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,744 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,744 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,744 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,745 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,745 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,745 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,745 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,745 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,746 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,746 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,746 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,746 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,747 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,747 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,747 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,748 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,748 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,748 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,748 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,751 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,751 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,751 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,751 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,752 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,752 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,752 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,752 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,758 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,758 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,758 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,758 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,759 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,759 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-23 13:05:21,767 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-12-23 13:05:21,785 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-23 13:05:21,808 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 13:05:21,809 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 13:05:21,809 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 13:05:21,809 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 13:05:21,809 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 13:05:21,809 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 13:05:21,809 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 13:05:21,810 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 13:05:21,823 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-23 13:05:21,825 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 87 places, 83 transitions, 188 flow [2020-12-23 13:05:21,828 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 87 places, 83 transitions, 188 flow [2020-12-23 13:05:21,831 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 87 places, 83 transitions, 188 flow [2020-12-23 13:05:21,886 INFO L129 PetriNetUnfolder]: 2/83 cut-off events. [2020-12-23 13:05:21,886 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-12-23 13:05:21,890 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 83 events. 2/83 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 51 event pairs, 0 based on Foata normal form. 0/81 useless extension candidates. Maximal degree in co-relation 28. Up to 3 conditions per place. [2020-12-23 13:05:21,892 INFO L116 LiptonReduction]: Number of co-enabled transitions 680 [2020-12-23 13:05:26,969 WARN L197 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-12-23 13:05:27,334 WARN L197 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2020-12-23 13:05:27,447 WARN L197 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2020-12-23 13:05:28,011 WARN L197 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-12-23 13:05:28,245 WARN L197 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-12-23 13:05:28,787 WARN L197 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2020-12-23 13:05:29,036 WARN L197 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 97 [2020-12-23 13:05:30,069 WARN L197 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 140 DAG size of output: 136 [2020-12-23 13:05:30,477 WARN L197 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-12-23 13:05:31,447 WARN L197 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 136 [2020-12-23 13:05:31,853 WARN L197 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-12-23 13:05:31,860 INFO L131 LiptonReduction]: Checked pairs total: 3225 [2020-12-23 13:05:31,860 INFO L133 LiptonReduction]: Total number of compositions: 57 [2020-12-23 13:05:31,868 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 30 transitions, 82 flow [2020-12-23 13:05:31,887 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 198 states. [2020-12-23 13:05:31,891 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2020-12-23 13:05:31,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 13:05:31,908 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:05:31,909 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:05:31,909 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:05:31,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:05:31,927 INFO L82 PathProgramCache]: Analyzing trace with hash 766403352, now seen corresponding path program 1 times [2020-12-23 13:05:31,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:05:31,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825553056] [2020-12-23 13:05:31,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:05:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:05:32,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:05:32,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825553056] [2020-12-23 13:05:32,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:05:32,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 13:05:32,235 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476233783] [2020-12-23 13:05:32,240 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 13:05:32,241 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:05:32,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 13:05:32,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 13:05:32,264 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 3 states. [2020-12-23 13:05:32,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:05:32,328 INFO L93 Difference]: Finished difference Result 150 states and 254 transitions. [2020-12-23 13:05:32,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 13:05:32,330 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-12-23 13:05:32,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:05:32,340 INFO L225 Difference]: With dead ends: 150 [2020-12-23 13:05:32,341 INFO L226 Difference]: Without dead ends: 149 [2020-12-23 13:05:32,342 INFO L677 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 [2020-12-23 13:05:32,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-12-23 13:05:32,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2020-12-23 13:05:32,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2020-12-23 13:05:32,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 253 transitions. [2020-12-23 13:05:32,403 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 253 transitions. Word has length 25 [2020-12-23 13:05:32,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:05:32,404 INFO L481 AbstractCegarLoop]: Abstraction has 149 states and 253 transitions. [2020-12-23 13:05:32,404 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 13:05:32,404 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 253 transitions. [2020-12-23 13:05:32,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 13:05:32,406 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:05:32,406 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:05:32,406 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 13:05:32,407 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:05:32,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:05:32,407 INFO L82 PathProgramCache]: Analyzing trace with hash -403540622, now seen corresponding path program 1 times [2020-12-23 13:05:32,408 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:05:32,408 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886049524] [2020-12-23 13:05:32,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:05:32,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:05:32,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:05:32,622 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886049524] [2020-12-23 13:05:32,623 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:05:32,623 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 13:05:32,623 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26163460] [2020-12-23 13:05:32,624 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 13:05:32,625 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:05:32,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 13:05:32,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 13:05:32,626 INFO L87 Difference]: Start difference. First operand 149 states and 253 transitions. Second operand 6 states. [2020-12-23 13:05:32,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:05:32,727 INFO L93 Difference]: Finished difference Result 206 states and 346 transitions. [2020-12-23 13:05:32,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 13:05:32,728 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2020-12-23 13:05:32,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:05:32,729 INFO L225 Difference]: With dead ends: 206 [2020-12-23 13:05:32,730 INFO L226 Difference]: Without dead ends: 100 [2020-12-23 13:05:32,730 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-12-23 13:05:32,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-12-23 13:05:32,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2020-12-23 13:05:32,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-12-23 13:05:32,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 163 transitions. [2020-12-23 13:05:32,740 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 163 transitions. Word has length 25 [2020-12-23 13:05:32,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:05:32,740 INFO L481 AbstractCegarLoop]: Abstraction has 100 states and 163 transitions. [2020-12-23 13:05:32,740 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 13:05:32,740 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 163 transitions. [2020-12-23 13:05:32,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 13:05:32,742 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:05:32,742 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:05:32,742 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 13:05:32,742 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:05:32,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:05:32,743 INFO L82 PathProgramCache]: Analyzing trace with hash -545623398, now seen corresponding path program 2 times [2020-12-23 13:05:32,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:05:32,744 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833583750] [2020-12-23 13:05:32,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:05:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:05:32,829 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:05:32,830 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833583750] [2020-12-23 13:05:32,830 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:05:32,830 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 13:05:32,831 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [357672572] [2020-12-23 13:05:32,831 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 13:05:32,831 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:05:32,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 13:05:32,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 13:05:32,832 INFO L87 Difference]: Start difference. First operand 100 states and 163 transitions. Second operand 5 states. [2020-12-23 13:05:32,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:05:32,898 INFO L93 Difference]: Finished difference Result 100 states and 162 transitions. [2020-12-23 13:05:32,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 13:05:32,899 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-12-23 13:05:32,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:05:32,900 INFO L225 Difference]: With dead ends: 100 [2020-12-23 13:05:32,900 INFO L226 Difference]: Without dead ends: 73 [2020-12-23 13:05:32,901 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-23 13:05:32,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2020-12-23 13:05:32,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2020-12-23 13:05:32,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-12-23 13:05:32,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 111 transitions. [2020-12-23 13:05:32,907 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 111 transitions. Word has length 25 [2020-12-23 13:05:32,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:05:32,908 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 111 transitions. [2020-12-23 13:05:32,908 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 13:05:32,908 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 111 transitions. [2020-12-23 13:05:32,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 13:05:32,909 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 13:05:32,909 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 13:05:32,909 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 13:05:32,910 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 13:05:32,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 13:05:32,910 INFO L82 PathProgramCache]: Analyzing trace with hash -1267328780, now seen corresponding path program 2 times [2020-12-23 13:05:32,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 13:05:32,911 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205661865] [2020-12-23 13:05:32,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 13:05:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 13:05:33,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 13:05:33,043 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205661865] [2020-12-23 13:05:33,043 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 13:05:33,043 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 13:05:33,044 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515542860] [2020-12-23 13:05:33,044 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 13:05:33,044 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 13:05:33,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 13:05:33,045 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-12-23 13:05:33,045 INFO L87 Difference]: Start difference. First operand 73 states and 111 transitions. Second operand 6 states. [2020-12-23 13:05:33,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 13:05:33,120 INFO L93 Difference]: Finished difference Result 72 states and 110 transitions. [2020-12-23 13:05:33,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 13:05:33,121 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 25 [2020-12-23 13:05:33,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 13:05:33,121 INFO L225 Difference]: With dead ends: 72 [2020-12-23 13:05:33,121 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 13:05:33,122 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-12-23 13:05:33,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 13:05:33,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 13:05:33,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 13:05:33,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 13:05:33,123 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2020-12-23 13:05:33,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 13:05:33,123 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 13:05:33,123 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 13:05:33,123 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 13:05:33,123 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 13:05:33,123 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 13:05:33,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 01:05:33 BasicIcfg [2020-12-23 13:05:33,127 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 13:05:33,128 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 13:05:33,128 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 13:05:33,128 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 13:05:33,129 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 01:05:21" (3/4) ... [2020-12-23 13:05:33,132 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 13:05:33,139 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2020-12-23 13:05:33,139 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2020-12-23 13:05:33,144 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-12-23 13:05:33,144 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-12-23 13:05:33,144 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 13:05:33,145 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 13:05:33,216 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/pthread/stateful01-2.i-witness.graphml [2020-12-23 13:05:33,216 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 13:05:33,218 INFO L168 Benchmark]: Toolchain (without parser) took 13291.48 ms. Allocated memory was 151.0 MB in the beginning and 234.9 MB in the end (delta: 83.9 MB). Free memory was 125.8 MB in the beginning and 94.9 MB in the end (delta: 30.9 MB). Peak memory consumption was 115.5 MB. Max. memory is 8.0 GB. [2020-12-23 13:05:33,218 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 151.0 MB. Free memory is still 122.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 13:05:33,219 INFO L168 Benchmark]: CACSL2BoogieTranslator took 859.54 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 128.8 MB in the end (delta: -3.3 MB). Peak memory consumption was 27.1 MB. Max. memory is 8.0 GB. [2020-12-23 13:05:33,224 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.19 ms. Allocated memory is still 151.0 MB. Free memory was 128.8 MB in the beginning and 126.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-23 13:05:33,225 INFO L168 Benchmark]: Boogie Preprocessor took 62.39 ms. Allocated memory is still 151.0 MB. Free memory was 126.7 MB in the beginning and 125.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2020-12-23 13:05:33,225 INFO L168 Benchmark]: RCFGBuilder took 719.63 ms. Allocated memory is still 151.0 MB. Free memory was 125.1 MB in the beginning and 101.5 MB in the end (delta: 23.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2020-12-23 13:05:33,226 INFO L168 Benchmark]: TraceAbstraction took 11446.41 ms. Allocated memory was 151.0 MB in the beginning and 234.9 MB in the end (delta: 83.9 MB). Free memory was 101.0 MB in the beginning and 97.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 88.4 MB. Max. memory is 8.0 GB. [2020-12-23 13:05:33,227 INFO L168 Benchmark]: Witness Printer took 88.43 ms. Allocated memory is still 234.9 MB. Free memory was 97.6 MB in the beginning and 94.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-23 13:05:33,230 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 151.0 MB. Free memory is still 122.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 859.54 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 128.8 MB in the end (delta: -3.3 MB). Peak memory consumption was 27.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 106.19 ms. Allocated memory is still 151.0 MB. Free memory was 128.8 MB in the beginning and 126.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 62.39 ms. Allocated memory is still 151.0 MB. Free memory was 126.7 MB in the beginning and 125.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 719.63 ms. Allocated memory is still 151.0 MB. Free memory was 125.1 MB in the beginning and 101.5 MB in the end (delta: 23.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 11446.41 ms. Allocated memory was 151.0 MB in the beginning and 234.9 MB in the end (delta: 83.9 MB). Free memory was 101.0 MB in the beginning and 97.6 MB in the end (delta: 3.4 MB). Peak memory consumption was 88.4 MB. Max. memory is 8.0 GB. * Witness Printer took 88.43 ms. Allocated memory is still 234.9 MB. Free memory was 97.6 MB in the beginning and 94.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 473 VarBasedMoverChecksPositive, 47 VarBasedMoverChecksNegative, 12 SemBasedMoverChecksPositive, 35 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.6s, 181 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 10.0s, 87 PlacesBefore, 35 PlacesAfterwards, 83 TransitionsBefore, 30 TransitionsAfterwards, 680 CoEnabledTransitionPairs, 6 FixpointIterations, 38 TrivialSequentialCompositions, 14 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 0 ConcurrentYvCompositions, 1 ChoiceCompositions, 57 TotalNumberOfCompositions, 3225 MoverChecksTotal - PositiveResult [Line: 727]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.3s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 10.0s, HoareTripleCheckerStatistics: 137 SDtfs, 80 SDslu, 251 SDs, 0 SdLazy, 60 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred 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: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 100 NumberOfCodeBlocks, 100 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 96 ConstructedInterpolants, 0 QuantifiedInterpolants, 12912 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...