/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-New_States.epf -i ../../../trunk/examples/svcomp/pthread/sync01.i -------------------------------------------------------------------------------- This is Ultimate 0.2.0-60729f1 [2020-11-12 09:39:21,024 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-12 09:39:21,027 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-12 09:39:21,080 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-12 09:39:21,081 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-12 09:39:21,083 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-12 09:39:21,085 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-12 09:39:21,088 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-12 09:39:21,091 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-12 09:39:21,092 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-12 09:39:21,094 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-12 09:39:21,096 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-12 09:39:21,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-12 09:39:21,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-12 09:39:21,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-12 09:39:21,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-12 09:39:21,103 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-12 09:39:21,104 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-12 09:39:21,107 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-12 09:39:21,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-12 09:39:21,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-12 09:39:21,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-12 09:39:21,116 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-12 09:39:21,118 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-12 09:39:21,122 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-12 09:39:21,122 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-12 09:39:21,123 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-12 09:39:21,124 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-12 09:39:21,125 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-12 09:39:21,126 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-12 09:39:21,127 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-12 09:39:21,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-12 09:39:21,129 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-12 09:39:21,131 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-12 09:39:21,132 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-12 09:39:21,133 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-12 09:39:21,134 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-12 09:39:21,135 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-12 09:39:21,135 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-12 09:39:21,137 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-12 09:39:21,138 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-12 09:39:21,141 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-New_States.epf [2020-11-12 09:39:21,177 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-12 09:39:21,178 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-12 09:39:21,181 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-12 09:39:21,182 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-12 09:39:21,184 INFO L138 SettingsManager]: * Use SBE=true [2020-11-12 09:39:21,184 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-12 09:39:21,184 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-12 09:39:21,185 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-12 09:39:21,185 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-12 09:39:21,185 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-12 09:39:21,185 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-12 09:39:21,185 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-12 09:39:21,186 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-12 09:39:21,186 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-12 09:39:21,187 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-12 09:39:21,188 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-12 09:39:21,188 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-12 09:39:21,188 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-12 09:39:21,189 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-12 09:39:21,189 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-12 09:39:21,189 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-12 09:39:21,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 09:39:21,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-12 09:39:21,190 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-12 09:39:21,191 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-12 09:39:21,191 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-12 09:39:21,191 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-12 09:39:21,191 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2020-11-12 09:39:21,192 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-12 09:39:21,192 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-12 09:39:21,192 INFO L138 SettingsManager]: * Sleep set reduction in concurrent analysis=NEW_STATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-11-12 09:39:21,709 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-12 09:39:21,749 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-12 09:39:21,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-12 09:39:21,755 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-12 09:39:21,761 INFO L275 PluginConnector]: CDTParser initialized [2020-11-12 09:39:21,762 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/sync01.i [2020-11-12 09:39:21,870 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/973c25f27/535bfc4642684aaf92a56d304b91ba7f/FLAG2b44cb863 [2020-11-12 09:39:22,767 INFO L306 CDTParser]: Found 1 translation units. [2020-11-12 09:39:22,768 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i [2020-11-12 09:39:22,795 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/973c25f27/535bfc4642684aaf92a56d304b91ba7f/FLAG2b44cb863 [2020-11-12 09:39:22,977 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/973c25f27/535bfc4642684aaf92a56d304b91ba7f [2020-11-12 09:39:22,980 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-12 09:39:22,988 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-11-12 09:39:22,990 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-12 09:39:22,990 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-12 09:39:22,995 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-12 09:39:22,996 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:39:22" (1/1) ... [2020-11-12 09:39:23,000 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7957cf37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:22, skipping insertion in model container [2020-11-12 09:39:23,000 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 09:39:22" (1/1) ... [2020-11-12 09:39:23,013 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-12 09:39:23,106 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-12 09:39:23,663 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 09:39:23,686 INFO L203 MainTranslator]: Completed pre-run [2020-11-12 09:39:23,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-12 09:39:23,984 INFO L208 MainTranslator]: Completed translation [2020-11-12 09:39:23,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:23 WrapperNode [2020-11-12 09:39:23,985 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-12 09:39:23,988 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-12 09:39:23,989 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-12 09:39:23,989 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-12 09:39:24,003 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:23" (1/1) ... [2020-11-12 09:39:24,056 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:23" (1/1) ... [2020-11-12 09:39:24,110 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-12 09:39:24,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-12 09:39:24,117 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-12 09:39:24,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-12 09:39:24,132 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:23" (1/1) ... [2020-11-12 09:39:24,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:23" (1/1) ... [2020-11-12 09:39:24,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:23" (1/1) ... [2020-11-12 09:39:24,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:23" (1/1) ... [2020-11-12 09:39:24,166 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:23" (1/1) ... [2020-11-12 09:39:24,175 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:23" (1/1) ... [2020-11-12 09:39:24,178 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:23" (1/1) ... [2020-11-12 09:39:24,182 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-12 09:39:24,183 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-12 09:39:24,183 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-12 09:39:24,183 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-12 09:39:24,184 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-12 09:39:24,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-12 09:39:24,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-12 09:39:24,284 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-12 09:39:24,284 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-11-12 09:39:24,284 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-11-12 09:39:24,284 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-11-12 09:39:24,285 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-11-12 09:39:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-12 09:39:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-11-12 09:39:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-12 09:39:24,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-12 09:39:24,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-12 09:39:24,288 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-12 09:39:25,032 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-12 09:39:25,032 INFO L298 CfgBuilder]: Removed 8 assume(true) statements. [2020-11-12 09:39:25,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:39:25 BoogieIcfgContainer [2020-11-12 09:39:25,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-12 09:39:25,040 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-12 09:39:25,041 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-12 09:39:25,045 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-12 09:39:25,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 09:39:22" (1/3) ... [2020-11-12 09:39:25,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a97f2c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 09:39:25, skipping insertion in model container [2020-11-12 09:39:25,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 09:39:23" (2/3) ... [2020-11-12 09:39:25,049 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a97f2c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 09:39:25, skipping insertion in model container [2020-11-12 09:39:25,049 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 09:39:25" (3/3) ... [2020-11-12 09:39:25,051 INFO L111 eAbstractionObserver]: Analyzing ICFG sync01.i [2020-11-12 09:39:25,077 WARN L168 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-12 09:39:25,077 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-12 09:39:25,082 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-12 09:39:25,084 INFO L351 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-12 09:39:25,146 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,147 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,147 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,147 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,147 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,148 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,148 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,148 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,148 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,149 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,149 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,151 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,152 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,152 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,153 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,158 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,158 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,159 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,160 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,160 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,161 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,161 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,161 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,161 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,162 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,162 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,162 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,164 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,164 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,164 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,165 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,165 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,165 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,166 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,166 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,166 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,168 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,168 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,168 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,168 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,171 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,172 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,172 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,173 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,173 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,173 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,173 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,174 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,174 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,174 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,175 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,175 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,178 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,179 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,179 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,180 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,180 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,180 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,181 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,189 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,190 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,190 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,190 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,190 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,191 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,191 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-12 09:39:25,213 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-11-12 09:39:25,232 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-12 09:39:25,280 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-12 09:39:25,280 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-12 09:39:25,280 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-12 09:39:25,281 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-12 09:39:25,281 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-12 09:39:25,281 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-12 09:39:25,281 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-12 09:39:25,281 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-12 09:39:25,308 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 99 places, 100 transitions, 222 flow [2020-11-12 09:39:25,399 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 770 states, 768 states have (on average 2.5677083333333335) internal successors, (1972), 769 states have internal predecessors, (1972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 09:39:25,972 WARN L455 BasicCegarLoop]: Sleep Set Reduction Time: 568ms [2020-11-12 09:39:25,975 WARN L456 BasicCegarLoop]: Sleep set: input automaton has 770 states, 768 states have (on average 2.5677083333333335) internal successors, (1972), 769 states have internal predecessors, (1972), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 09:39:25,983 WARN L457 BasicCegarLoop]: Sleep set: output automaton has 2545 states, 2377 states have (on average 1.3588557004627682) internal successors, (3230), 2544 states have internal predecessors, (3230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 09:39:25,993 INFO L276 IsEmpty]: Start isEmpty. Operand has 2545 states, 2377 states have (on average 1.3588557004627682) internal successors, (3230), 2544 states have internal predecessors, (3230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 09:39:26,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-11-12 09:39:26,062 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 09:39:26,063 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 09:39:26,064 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 09:39:26,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 09:39:26,076 INFO L82 PathProgramCache]: Analyzing trace with hash 137150855, now seen corresponding path program 1 times [2020-11-12 09:39:26,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 09:39:26,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296716053] [2020-11-12 09:39:26,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 09:39:26,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 09:39:26,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 09:39:26,398 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296716053] [2020-11-12 09:39:26,399 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 09:39:26,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-11-12 09:39:26,400 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2001867886] [2020-11-12 09:39:26,405 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-11-12 09:39:26,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 09:39:26,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-11-12 09:39:26,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-12 09:39:26,433 INFO L87 Difference]: Start difference. First operand has 2545 states, 2377 states have (on average 1.3588557004627682) internal successors, (3230), 2544 states have internal predecessors, (3230), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 09:39:26,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 09:39:26,468 INFO L93 Difference]: Finished difference Result 1113 states and 1426 transitions. [2020-11-12 09:39:26,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-11-12 09:39:26,470 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2020-11-12 09:39:26,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 09:39:26,485 INFO L225 Difference]: With dead ends: 1113 [2020-11-12 09:39:26,485 INFO L226 Difference]: Without dead ends: 233 [2020-11-12 09:39:26,487 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-11-12 09:39:26,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2020-11-12 09:39:26,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 230. [2020-11-12 09:39:26,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 229 states have (on average 1.1266375545851528) internal successors, (258), 229 states have internal predecessors, (258), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 09:39:26,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 258 transitions. [2020-11-12 09:39:26,555 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 258 transitions. Word has length 74 [2020-11-12 09:39:26,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 09:39:26,557 INFO L481 AbstractCegarLoop]: Abstraction has 230 states and 258 transitions. [2020-11-12 09:39:26,557 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 2 states, 2 states have (on average 37.0) internal successors, (74), 2 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 09:39:26,557 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 258 transitions. [2020-11-12 09:39:26,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-11-12 09:39:26,560 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 09:39:26,560 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 09:39:26,561 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-12 09:39:26,561 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 09:39:26,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 09:39:26,562 INFO L82 PathProgramCache]: Analyzing trace with hash 830252552, now seen corresponding path program 1 times [2020-11-12 09:39:26,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 09:39:26,563 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539140177] [2020-11-12 09:39:26,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 09:39:26,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 09:39:26,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 09:39:26,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539140177] [2020-11-12 09:39:26,708 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 09:39:26,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-12 09:39:26,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265955125] [2020-11-12 09:39:26,711 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-12 09:39:26,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 09:39:26,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-12 09:39:26,713 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-12 09:39:26,713 INFO L87 Difference]: Start difference. First operand 230 states and 258 transitions. Second operand has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 09:39:26,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 09:39:26,765 INFO L93 Difference]: Finished difference Result 128 states and 136 transitions. [2020-11-12 09:39:26,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-12 09:39:26,767 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2020-11-12 09:39:26,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 09:39:26,769 INFO L225 Difference]: With dead ends: 128 [2020-11-12 09:39:26,769 INFO L226 Difference]: Without dead ends: 128 [2020-11-12 09:39:26,770 INFO L749 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 [2020-11-12 09:39:26,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-11-12 09:39:26,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 127. [2020-11-12 09:39:26,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 126 states have (on average 1.0634920634920635) internal successors, (134), 126 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 09:39:26,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 134 transitions. [2020-11-12 09:39:26,781 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 134 transitions. Word has length 74 [2020-11-12 09:39:26,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 09:39:26,782 INFO L481 AbstractCegarLoop]: Abstraction has 127 states and 134 transitions. [2020-11-12 09:39:26,782 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 24.666666666666668) internal successors, (74), 3 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 09:39:26,782 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 134 transitions. [2020-11-12 09:39:26,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-11-12 09:39:26,783 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 09:39:26,784 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 09:39:26,784 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-12 09:39:26,784 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 09:39:26,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 09:39:26,785 INFO L82 PathProgramCache]: Analyzing trace with hash -314578760, now seen corresponding path program 2 times [2020-11-12 09:39:26,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 09:39:26,786 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1772165846] [2020-11-12 09:39:26,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 09:39:26,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 09:39:27,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 09:39:27,044 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1772165846] [2020-11-12 09:39:27,044 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 09:39:27,045 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-12 09:39:27,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1573961725] [2020-11-12 09:39:27,046 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-12 09:39:27,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 09:39:27,047 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-12 09:39:27,048 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-11-12 09:39:27,048 INFO L87 Difference]: Start difference. First operand 127 states and 134 transitions. Second operand has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 09:39:27,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 09:39:27,244 INFO L93 Difference]: Finished difference Result 105 states and 107 transitions. [2020-11-12 09:39:27,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-11-12 09:39:27,246 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2020-11-12 09:39:27,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 09:39:27,247 INFO L225 Difference]: With dead ends: 105 [2020-11-12 09:39:27,247 INFO L226 Difference]: Without dead ends: 97 [2020-11-12 09:39:27,248 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-11-12 09:39:27,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-11-12 09:39:27,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2020-11-12 09:39:27,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 96 states have (on average 1.03125) internal successors, (99), 96 states have internal predecessors, (99), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 09:39:27,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 99 transitions. [2020-11-12 09:39:27,258 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 99 transitions. Word has length 74 [2020-11-12 09:39:27,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 09:39:27,258 INFO L481 AbstractCegarLoop]: Abstraction has 97 states and 99 transitions. [2020-11-12 09:39:27,259 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 14.8) internal successors, (74), 5 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 09:39:27,259 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 99 transitions. [2020-11-12 09:39:27,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2020-11-12 09:39:27,260 INFO L486 BasicCegarLoop]: Found error trace [2020-11-12 09:39:27,260 INFO L494 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-12 09:39:27,261 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-12 09:39:27,261 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-12 09:39:27,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-12 09:39:27,262 INFO L82 PathProgramCache]: Analyzing trace with hash 710897178, now seen corresponding path program 3 times [2020-11-12 09:39:27,262 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-11-12 09:39:27,263 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796140819] [2020-11-12 09:39:27,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-12 09:39:27,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-12 09:39:27,559 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-12 09:39:27,560 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796140819] [2020-11-12 09:39:27,560 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-12 09:39:27,560 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-12 09:39:27,561 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726890267] [2020-11-12 09:39:27,561 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-12 09:39:27,562 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-11-12 09:39:27,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-12 09:39:27,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-12 09:39:27,563 INFO L87 Difference]: Start difference. First operand 97 states and 99 transitions. Second operand has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 09:39:27,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-12 09:39:27,722 INFO L93 Difference]: Finished difference Result 93 states and 95 transitions. [2020-11-12 09:39:27,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-11-12 09:39:27,724 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 74 [2020-11-12 09:39:27,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-12 09:39:27,725 INFO L225 Difference]: With dead ends: 93 [2020-11-12 09:39:27,725 INFO L226 Difference]: Without dead ends: 0 [2020-11-12 09:39:27,726 INFO L749 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-11-12 09:39:27,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-12 09:39:27,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-12 09:39:27,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 09:39:27,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-12 09:39:27,729 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 74 [2020-11-12 09:39:27,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-12 09:39:27,730 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-12 09:39:27,730 INFO L482 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 10.571428571428571) internal successors, (74), 7 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2020-11-12 09:39:27,730 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-12 09:39:27,730 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-12 09:39:27,731 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-12 09:39:27,742 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 09:39:27 BasicIcfg [2020-11-12 09:39:27,742 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-12 09:39:27,747 INFO L168 Benchmark]: Toolchain (without parser) took 4761.55 ms. Allocated memory was 302.0 MB in the beginning and 369.1 MB in the end (delta: 67.1 MB). Free memory was 277.0 MB in the beginning and 302.1 MB in the end (delta: -25.1 MB). Peak memory consumption was 43.7 MB. Max. memory is 16.0 GB. [2020-11-12 09:39:27,747 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 302.0 MB. Free memory is still 272.5 MB. There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 09:39:27,752 INFO L168 Benchmark]: CACSL2BoogieTranslator took 996.40 ms. Allocated memory is still 302.0 MB. Free memory was 276.5 MB in the beginning and 260.8 MB in the end (delta: 15.7 MB). Peak memory consumption was 37.9 MB. Max. memory is 16.0 GB. [2020-11-12 09:39:27,754 INFO L168 Benchmark]: Boogie Procedure Inliner took 122.87 ms. Allocated memory is still 302.0 MB. Free memory was 260.8 MB in the beginning and 258.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 09:39:27,756 INFO L168 Benchmark]: Boogie Preprocessor took 68.99 ms. Allocated memory is still 302.0 MB. Free memory was 258.7 MB in the beginning and 256.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2020-11-12 09:39:27,762 INFO L168 Benchmark]: RCFGBuilder took 853.95 ms. Allocated memory is still 302.0 MB. Free memory was 256.6 MB in the beginning and 228.2 MB in the end (delta: 28.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2020-11-12 09:39:27,765 INFO L168 Benchmark]: TraceAbstraction took 2702.02 ms. Allocated memory was 302.0 MB in the beginning and 369.1 MB in the end (delta: 67.1 MB). Free memory was 228.2 MB in the beginning and 302.1 MB in the end (delta: -73.9 MB). There was no memory consumed. Max. memory is 16.0 GB. [2020-11-12 09:39:27,772 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 302.0 MB. Free memory is still 272.5 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 996.40 ms. Allocated memory is still 302.0 MB. Free memory was 276.5 MB in the beginning and 260.8 MB in the end (delta: 15.7 MB). Peak memory consumption was 37.9 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 122.87 ms. Allocated memory is still 302.0 MB. Free memory was 260.8 MB in the beginning and 258.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 68.99 ms. Allocated memory is still 302.0 MB. Free memory was 258.7 MB in the beginning and 256.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * RCFGBuilder took 853.95 ms. Allocated memory is still 302.0 MB. Free memory was 256.6 MB in the beginning and 228.2 MB in the end (delta: 28.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 2702.02 ms. Allocated memory was 302.0 MB in the beginning and 369.1 MB in the end (delta: 67.1 MB). Free memory was 228.2 MB in the beginning and 302.1 MB in the end (delta: -73.9 MB). There was no memory consumed. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 12]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 93 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.7s, HoareTripleCheckerStatistics: 322 SDtfs, 158 SDslu, 435 SDs, 0 SdLazy, 78 SolverSat, 13 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2545occurred 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, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 296 NumberOfCodeBlocks, 296 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 292 ConstructedInterpolants, 0 QuantifiedInterpolants, 32120 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...