/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-11 19:06:19,099 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-11 19:06:19,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-11 19:06:19,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-11 19:06:19,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-11 19:06:19,126 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-11 19:06:19,128 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-11 19:06:19,137 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-11 19:06:19,139 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-11 19:06:19,145 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-11 19:06:19,146 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-11 19:06:19,147 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-11 19:06:19,147 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-11 19:06:19,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-11 19:06:19,148 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-11 19:06:19,149 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-11 19:06:19,150 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-11 19:06:19,150 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-11 19:06:19,152 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-11 19:06:19,153 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-11 19:06:19,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-11 19:06:19,157 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-11 19:06:19,159 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-11 19:06:19,161 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-11 19:06:19,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-03-11 19:06:19,174 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-11 19:06:19,175 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-11 19:06:19,175 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-11 19:06:19,176 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-11 19:06:19,177 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-11 19:06:19,177 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-11 19:06:19,177 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-11 19:06:19,178 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-11 19:06:19,178 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-11 19:06:19,178 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-11 19:06:19,179 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-11 19:06:19,183 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-SemanticLbe.epf [2021-03-11 19:06:19,221 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-11 19:06:19,222 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-11 19:06:19,225 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-11 19:06:19,225 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-11 19:06:19,225 INFO L138 SettingsManager]: * Use SBE=true [2021-03-11 19:06:19,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-11 19:06:19,225 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-11 19:06:19,225 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-11 19:06:19,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-11 19:06:19,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-11 19:06:19,226 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-11 19:06:19,226 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-11 19:06:19,227 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-11 19:06:19,227 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-11 19:06:19,227 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-11 19:06:19,227 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-11 19:06:19,227 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-11 19:06:19,227 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-11 19:06:19,227 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-11 19:06:19,227 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-11 19:06:19,228 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-11 19:06:19,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 19:06:19,228 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-11 19:06:19,228 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-11 19:06:19,228 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-11 19:06:19,228 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-11 19:06:19,228 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-11 19:06:19,228 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-03-11 19:06:19,229 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-11 19:06:19,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-11 19:06:19,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-11 19:06:19,562 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-11 19:06:19,563 INFO L271 PluginConnector]: Initializing CDTParser... [2021-03-11 19:06:19,563 INFO L275 PluginConnector]: CDTParser initialized [2021-03-11 19:06:19,564 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2021-03-11 19:06:19,628 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb0481be0/14fdbcab35c44e9f803f8ca1105ce124/FLAG5eb9f3f3a [2021-03-11 19:06:20,127 INFO L306 CDTParser]: Found 1 translation units. [2021-03-11 19:06:20,127 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i [2021-03-11 19:06:20,146 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb0481be0/14fdbcab35c44e9f803f8ca1105ce124/FLAG5eb9f3f3a [2021-03-11 19:06:20,601 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cb0481be0/14fdbcab35c44e9f803f8ca1105ce124 [2021-03-11 19:06:20,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-11 19:06:20,608 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-03-11 19:06:20,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-03-11 19:06:20,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-03-11 19:06:20,623 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-03-11 19:06:20,623 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 07:06:20" (1/1) ... [2021-03-11 19:06:20,624 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@646e223f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 07:06:20, skipping insertion in model container [2021-03-11 19:06:20,624 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.03 07:06:20" (1/1) ... [2021-03-11 19:06:20,634 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-03-11 19:06:20,680 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-03-11 19:06:21,011 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i[30247,30260] [2021-03-11 19:06:21,014 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i[30452,30465] [2021-03-11 19:06:21,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 19:06:21,029 INFO L203 MainTranslator]: Completed pre-run [2021-03-11 19:06:21,061 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i[30247,30260] [2021-03-11 19:06:21,062 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/time_var_mutex.i[30452,30465] [2021-03-11 19:06:21,071 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-03-11 19:06:21,139 INFO L208 MainTranslator]: Completed translation [2021-03-11 19:06:21,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 07:06:21 WrapperNode [2021-03-11 19:06:21,140 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-03-11 19:06:21,142 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-11 19:06:21,142 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-11 19:06:21,142 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-11 19:06:21,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 07:06:21" (1/1) ... [2021-03-11 19:06:21,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 07:06:21" (1/1) ... [2021-03-11 19:06:21,195 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-11 19:06:21,196 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-11 19:06:21,196 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-11 19:06:21,196 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-11 19:06:21,203 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 07:06:21" (1/1) ... [2021-03-11 19:06:21,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 07:06:21" (1/1) ... [2021-03-11 19:06:21,214 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 07:06:21" (1/1) ... [2021-03-11 19:06:21,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 07:06:21" (1/1) ... [2021-03-11 19:06:21,223 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 07:06:21" (1/1) ... [2021-03-11 19:06:21,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 07:06:21" (1/1) ... [2021-03-11 19:06:21,226 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 07:06:21" (1/1) ... [2021-03-11 19:06:21,228 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-11 19:06:21,228 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-11 19:06:21,228 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-11 19:06:21,228 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-11 19:06:21,229 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 07:06:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-11 19:06:21,308 INFO L130 BoogieDeclarations]: Found specification of procedure allocator [2021-03-11 19:06:21,309 INFO L138 BoogieDeclarations]: Found implementation of procedure allocator [2021-03-11 19:06:21,309 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-03-11 19:06:21,309 INFO L130 BoogieDeclarations]: Found specification of procedure de_allocator [2021-03-11 19:06:21,309 INFO L138 BoogieDeclarations]: Found implementation of procedure de_allocator [2021-03-11 19:06:21,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-03-11 19:06:21,311 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-03-11 19:06:21,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-03-11 19:06:21,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-03-11 19:06:21,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-03-11 19:06:21,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-11 19:06:21,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-11 19:06:21,312 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-11 19:06:21,674 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-11 19:06:21,674 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-03-11 19:06:21,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 07:06:21 BoogieIcfgContainer [2021-03-11 19:06:21,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-11 19:06:21,677 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-11 19:06:21,677 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-11 19:06:21,679 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-11 19:06:21,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.03 07:06:20" (1/3) ... [2021-03-11 19:06:21,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8b510b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 07:06:21, skipping insertion in model container [2021-03-11 19:06:21,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.03 07:06:21" (2/3) ... [2021-03-11 19:06:21,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8b510b6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.03 07:06:21, skipping insertion in model container [2021-03-11 19:06:21,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.03 07:06:21" (3/3) ... [2021-03-11 19:06:21,682 INFO L111 eAbstractionObserver]: Analyzing ICFG time_var_mutex.i [2021-03-11 19:06:21,687 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-11 19:06:21,690 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2021-03-11 19:06:21,691 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-11 19:06:21,717 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,717 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,717 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,717 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,718 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,718 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,718 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,718 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,718 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,719 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,719 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,719 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,722 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,723 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,723 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,723 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,724 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,724 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,724 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,724 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,724 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,725 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,725 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,725 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,725 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,726 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#in~_.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,726 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,726 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,726 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,727 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,727 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,727 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,727 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,727 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,728 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,728 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,730 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,730 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,731 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,731 WARN L313 ript$VariableManager]: TermVariabe allocatorThread1of1ForFork0_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,731 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,731 WARN L313 ript$VariableManager]: TermVariabe |allocatorThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,735 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,736 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,736 WARN L313 ript$VariableManager]: TermVariabe de_allocatorThread1of1ForFork1_~_.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,736 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,736 WARN L313 ript$VariableManager]: TermVariabe |de_allocatorThread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-03-11 19:06:21,743 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-11 19:06:21,758 INFO L253 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2021-03-11 19:06:21,784 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-11 19:06:21,785 INFO L377 AbstractCegarLoop]: Hoare is false [2021-03-11 19:06:21,785 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-11 19:06:21,785 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-11 19:06:21,785 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-11 19:06:21,785 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-11 19:06:21,785 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-11 19:06:21,785 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-11 19:06:21,799 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 90 places, 90 transitions, 202 flow [2021-03-11 19:06:21,848 INFO L129 PetriNetUnfolder]: 6/90 cut-off events. [2021-03-11 19:06:21,848 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-03-11 19:06:21,853 INFO L84 FinitePrefix]: Finished finitePrefix Result has 101 conditions, 90 events. 6/90 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 113 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 59. Up to 3 conditions per place. [2021-03-11 19:06:21,853 INFO L82 GeneralOperation]: Start removeDead. Operand has 90 places, 90 transitions, 202 flow [2021-03-11 19:06:21,857 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 79 places, 78 transitions, 168 flow [2021-03-11 19:06:21,861 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-03-11 19:06:21,867 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 78 transitions, 168 flow [2021-03-11 19:06:21,870 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 78 transitions, 168 flow [2021-03-11 19:06:21,870 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 79 places, 78 transitions, 168 flow [2021-03-11 19:06:21,895 INFO L129 PetriNetUnfolder]: 5/80 cut-off events. [2021-03-11 19:06:21,895 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-03-11 19:06:21,897 INFO L84 FinitePrefix]: Finished finitePrefix Result has 89 conditions, 80 events. 5/80 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 98 event pairs, 0 based on Foata normal form. 0/73 useless extension candidates. Maximal degree in co-relation 59. Up to 3 conditions per place. [2021-03-11 19:06:21,899 INFO L116 LiptonReduction]: Number of co-enabled transitions 976 [2021-03-11 19:06:24,033 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2021-03-11 19:06:24,212 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 68 [2021-03-11 19:06:24,751 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 101 [2021-03-11 19:06:25,264 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 140 [2021-03-11 19:06:25,445 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 136 [2021-03-11 19:06:25,939 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 143 [2021-03-11 19:06:26,144 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 139 [2021-03-11 19:06:26,148 INFO L131 LiptonReduction]: Checked pairs total: 3261 [2021-03-11 19:06:26,148 INFO L133 LiptonReduction]: Total number of compositions: 68 [2021-03-11 19:06:26,150 INFO L182 CegarLoopForPetriNet]: Time needed for LBE in milliseconds: 4292 [2021-03-11 19:06:26,164 INFO L129 PetriNetUnfolder]: 1/12 cut-off events. [2021-03-11 19:06:26,164 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-03-11 19:06:26,164 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 19:06:26,165 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1] [2021-03-11 19:06:26,165 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 19:06:26,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 19:06:26,171 INFO L82 PathProgramCache]: Analyzing trace with hash 316506124, now seen corresponding path program 1 times [2021-03-11 19:06:26,178 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 19:06:26,178 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1717138156] [2021-03-11 19:06:26,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 19:06:26,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 19:06:26,359 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 19:06:26,361 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 19:06:26,361 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 19:06:26,362 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 19:06:26,369 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 19:06:26,370 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1717138156] [2021-03-11 19:06:26,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 19:06:26,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 19:06:26,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965558371] [2021-03-11 19:06:26,381 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 19:06:26,382 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 19:06:26,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 19:06:26,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 19:06:26,401 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 158 [2021-03-11 19:06:26,407 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 27 transitions, 66 flow. Second operand has 3 states, 3 states have (on average 125.0) internal successors, (375), 3 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 19:06:26,407 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 19:06:26,408 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 158 [2021-03-11 19:06:26,408 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 19:06:26,455 INFO L129 PetriNetUnfolder]: 11/70 cut-off events. [2021-03-11 19:06:26,455 INFO L130 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2021-03-11 19:06:26,456 INFO L84 FinitePrefix]: Finished finitePrefix Result has 116 conditions, 70 events. 11/70 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 283 event pairs, 1 based on Foata normal form. 3/65 useless extension candidates. Maximal degree in co-relation 91. Up to 17 conditions per place. [2021-03-11 19:06:26,457 INFO L132 encePairwiseOnDemand]: 150/158 looper letters, 7 selfloop transitions, 5 changer transitions 0/29 dead transitions. [2021-03-11 19:06:26,457 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 29 transitions, 94 flow [2021-03-11 19:06:26,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 19:06:26,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 19:06:26,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 389 transitions. [2021-03-11 19:06:26,466 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.820675105485232 [2021-03-11 19:06:26,466 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 389 transitions. [2021-03-11 19:06:26,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 389 transitions. [2021-03-11 19:06:26,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 19:06:26,470 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 389 transitions. [2021-03-11 19:06:26,473 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 129.66666666666666) internal successors, (389), 3 states have internal predecessors, (389), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 19:06:26,478 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 158.0) internal successors, (632), 4 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 19:06:26,479 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 158.0) internal successors, (632), 4 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 19:06:26,480 INFO L185 Difference]: Start difference. First operand has 29 places, 27 transitions, 66 flow. Second operand 3 states and 389 transitions. [2021-03-11 19:06:26,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 29 transitions, 94 flow [2021-03-11 19:06:26,483 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 29 transitions, 86 flow, removed 0 selfloop flow, removed 4 redundant places. [2021-03-11 19:06:26,484 INFO L241 Difference]: Finished difference. Result has 29 places, 28 transitions, 88 flow [2021-03-11 19:06:26,485 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=25, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=88, PETRI_PLACES=29, PETRI_TRANSITIONS=28} [2021-03-11 19:06:26,486 INFO L335 CegarLoopForPetriNet]: 29 programPoint places, 0 predicate places. [2021-03-11 19:06:26,486 INFO L480 AbstractCegarLoop]: Abstraction has has 29 places, 28 transitions, 88 flow [2021-03-11 19:06:26,486 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 125.0) internal successors, (375), 3 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 19:06:26,486 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 19:06:26,487 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-03-11 19:06:26,487 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-03-11 19:06:26,487 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 19:06:26,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 19:06:26,487 INFO L82 PathProgramCache]: Analyzing trace with hash -796936050, now seen corresponding path program 1 times [2021-03-11 19:06:26,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 19:06:26,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644160301] [2021-03-11 19:06:26,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 19:06:26,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 19:06:26,525 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 19:06:26,525 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 19:06:26,526 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 19:06:26,526 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 19:06:26,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 19:06:26,529 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644160301] [2021-03-11 19:06:26,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 19:06:26,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-03-11 19:06:26,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1314351824] [2021-03-11 19:06:26,530 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 19:06:26,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 19:06:26,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 19:06:26,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 19:06:26,532 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 158 [2021-03-11 19:06:26,532 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 29 places, 28 transitions, 88 flow. Second operand has 3 states, 3 states have (on average 125.0) internal successors, (375), 3 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 19:06:26,532 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 19:06:26,533 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 158 [2021-03-11 19:06:26,533 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 19:06:26,554 INFO L129 PetriNetUnfolder]: 5/56 cut-off events. [2021-03-11 19:06:26,554 INFO L130 PetriNetUnfolder]: For 18/24 co-relation queries the response was YES. [2021-03-11 19:06:26,555 INFO L84 FinitePrefix]: Finished finitePrefix Result has 111 conditions, 56 events. 5/56 cut-off events. For 18/24 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 210 event pairs, 1 based on Foata normal form. 8/59 useless extension candidates. Maximal degree in co-relation 81. Up to 13 conditions per place. [2021-03-11 19:06:26,555 INFO L132 encePairwiseOnDemand]: 151/158 looper letters, 5 selfloop transitions, 5 changer transitions 0/27 dead transitions. [2021-03-11 19:06:26,555 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 27 transitions, 102 flow [2021-03-11 19:06:26,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 19:06:26,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 19:06:26,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 384 transitions. [2021-03-11 19:06:26,557 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.810126582278481 [2021-03-11 19:06:26,557 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 384 transitions. [2021-03-11 19:06:26,557 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 384 transitions. [2021-03-11 19:06:26,558 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 19:06:26,558 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 384 transitions. [2021-03-11 19:06:26,559 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 19:06:26,560 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 158.0) internal successors, (632), 4 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 19:06:26,561 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 158.0) internal successors, (632), 4 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 19:06:26,561 INFO L185 Difference]: Start difference. First operand has 29 places, 28 transitions, 88 flow. Second operand 3 states and 384 transitions. [2021-03-11 19:06:26,561 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 27 transitions, 102 flow [2021-03-11 19:06:26,562 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 27 transitions, 94 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-11 19:06:26,562 INFO L241 Difference]: Finished difference. Result has 30 places, 27 transitions, 91 flow [2021-03-11 19:06:26,562 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=74, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=91, PETRI_PLACES=30, PETRI_TRANSITIONS=27} [2021-03-11 19:06:26,563 INFO L335 CegarLoopForPetriNet]: 29 programPoint places, 1 predicate places. [2021-03-11 19:06:26,563 INFO L480 AbstractCegarLoop]: Abstraction has has 30 places, 27 transitions, 91 flow [2021-03-11 19:06:26,563 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 125.0) internal successors, (375), 3 states have internal predecessors, (375), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 19:06:26,563 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 19:06:26,563 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 19:06:26,563 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-11 19:06:26,564 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 19:06:26,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 19:06:26,564 INFO L82 PathProgramCache]: Analyzing trace with hash -1351348230, now seen corresponding path program 1 times [2021-03-11 19:06:26,564 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 19:06:26,564 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [304174456] [2021-03-11 19:06:26,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 19:06:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 19:06:26,661 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 19:06:26,661 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 19:06:26,666 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 19:06:26,666 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 19:06:26,669 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 19:06:26,670 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 19:06:26,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 19:06:26,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [304174456] [2021-03-11 19:06:26,670 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 19:06:26,670 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 19:06:26,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494700664] [2021-03-11 19:06:26,671 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-11 19:06:26,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 19:06:26,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-11 19:06:26,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-03-11 19:06:26,673 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 158 [2021-03-11 19:06:26,673 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 27 transitions, 91 flow. Second operand has 4 states, 4 states have (on average 113.75) internal successors, (455), 4 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 19:06:26,673 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 19:06:26,674 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 158 [2021-03-11 19:06:26,674 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 19:06:26,705 INFO L129 PetriNetUnfolder]: 4/81 cut-off events. [2021-03-11 19:06:26,705 INFO L130 PetriNetUnfolder]: For 20/20 co-relation queries the response was YES. [2021-03-11 19:06:26,705 INFO L84 FinitePrefix]: Finished finitePrefix Result has 139 conditions, 81 events. 4/81 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 369 event pairs, 1 based on Foata normal form. 5/79 useless extension candidates. Maximal degree in co-relation 95. Up to 11 conditions per place. [2021-03-11 19:06:26,706 INFO L132 encePairwiseOnDemand]: 152/158 looper letters, 3 selfloop transitions, 5 changer transitions 3/30 dead transitions. [2021-03-11 19:06:26,706 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 33 places, 30 transitions, 112 flow [2021-03-11 19:06:26,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-11 19:06:26,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2021-03-11 19:06:26,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 464 transitions. [2021-03-11 19:06:26,711 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7341772151898734 [2021-03-11 19:06:26,711 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 464 transitions. [2021-03-11 19:06:26,711 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 464 transitions. [2021-03-11 19:06:26,712 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 19:06:26,712 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 464 transitions. [2021-03-11 19:06:26,713 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 116.0) internal successors, (464), 4 states have internal predecessors, (464), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 19:06:26,714 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 158.0) internal successors, (790), 5 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 19:06:26,714 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 158.0) internal successors, (790), 5 states have internal predecessors, (790), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 19:06:26,714 INFO L185 Difference]: Start difference. First operand has 30 places, 27 transitions, 91 flow. Second operand 4 states and 464 transitions. [2021-03-11 19:06:26,715 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 33 places, 30 transitions, 112 flow [2021-03-11 19:06:26,715 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 30 transitions, 104 flow, removed 0 selfloop flow, removed 2 redundant places. [2021-03-11 19:06:26,716 INFO L241 Difference]: Finished difference. Result has 32 places, 26 transitions, 91 flow [2021-03-11 19:06:26,716 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=26, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=91, PETRI_PLACES=32, PETRI_TRANSITIONS=26} [2021-03-11 19:06:26,716 INFO L335 CegarLoopForPetriNet]: 29 programPoint places, 3 predicate places. [2021-03-11 19:06:26,716 INFO L480 AbstractCegarLoop]: Abstraction has has 32 places, 26 transitions, 91 flow [2021-03-11 19:06:26,717 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 113.75) internal successors, (455), 4 states have internal predecessors, (455), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 19:06:26,717 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 19:06:26,717 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 19:06:26,717 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-11 19:06:26,717 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 19:06:26,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 19:06:26,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1311672432, now seen corresponding path program 1 times [2021-03-11 19:06:26,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 19:06:26,718 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [963955967] [2021-03-11 19:06:26,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 19:06:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 19:06:26,775 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 19:06:26,776 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-03-11 19:06:26,779 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 19:06:26,780 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-03-11 19:06:26,786 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 19:06:26,787 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-03-11 19:06:26,793 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 19:06:26,794 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 19:06:26,794 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 19:06:26,795 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 19:06:26,799 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 19:06:26,799 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [963955967] [2021-03-11 19:06:26,799 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 19:06:26,799 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-03-11 19:06:26,800 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215379773] [2021-03-11 19:06:26,800 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-03-11 19:06:26,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 19:06:26,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-03-11 19:06:26,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-03-11 19:06:26,804 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 75 out of 158 [2021-03-11 19:06:26,804 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 26 transitions, 91 flow. Second operand has 6 states, 6 states have (on average 76.33333333333333) internal successors, (458), 6 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 19:06:26,805 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 19:06:26,805 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 75 of 158 [2021-03-11 19:06:26,805 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 19:06:26,907 INFO L129 PetriNetUnfolder]: 17/103 cut-off events. [2021-03-11 19:06:26,907 INFO L130 PetriNetUnfolder]: For 18/18 co-relation queries the response was YES. [2021-03-11 19:06:26,909 INFO L84 FinitePrefix]: Finished finitePrefix Result has 222 conditions, 103 events. 17/103 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 459 event pairs, 4 based on Foata normal form. 5/101 useless extension candidates. Maximal degree in co-relation 174. Up to 24 conditions per place. [2021-03-11 19:06:26,909 INFO L132 encePairwiseOnDemand]: 150/158 looper letters, 7 selfloop transitions, 10 changer transitions 7/33 dead transitions. [2021-03-11 19:06:26,910 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 33 transitions, 157 flow [2021-03-11 19:06:26,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-03-11 19:06:26,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2021-03-11 19:06:26,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 476 transitions. [2021-03-11 19:06:26,912 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.5021097046413502 [2021-03-11 19:06:26,913 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 476 transitions. [2021-03-11 19:06:26,913 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 476 transitions. [2021-03-11 19:06:26,913 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 19:06:26,913 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 476 transitions. [2021-03-11 19:06:26,914 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 79.33333333333333) internal successors, (476), 6 states have internal predecessors, (476), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 19:06:26,917 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 158.0) internal successors, (1106), 7 states have internal predecessors, (1106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 19:06:26,917 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 158.0) internal successors, (1106), 7 states have internal predecessors, (1106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 19:06:26,917 INFO L185 Difference]: Start difference. First operand has 32 places, 26 transitions, 91 flow. Second operand 6 states and 476 transitions. [2021-03-11 19:06:26,918 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 33 transitions, 157 flow [2021-03-11 19:06:26,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 33 transitions, 151 flow, removed 0 selfloop flow, removed 3 redundant places. [2021-03-11 19:06:26,919 INFO L241 Difference]: Finished difference. Result has 33 places, 25 transitions, 101 flow [2021-03-11 19:06:26,920 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=28, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=24, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=16, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=101, PETRI_PLACES=33, PETRI_TRANSITIONS=25} [2021-03-11 19:06:26,920 INFO L335 CegarLoopForPetriNet]: 29 programPoint places, 4 predicate places. [2021-03-11 19:06:26,920 INFO L480 AbstractCegarLoop]: Abstraction has has 33 places, 25 transitions, 101 flow [2021-03-11 19:06:26,920 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 76.33333333333333) internal successors, (458), 6 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 19:06:26,920 INFO L247 CegarLoopForPetriNet]: Found error trace [2021-03-11 19:06:26,920 INFO L255 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-03-11 19:06:26,920 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-03-11 19:06:26,921 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, de_allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION, allocatorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-03-11 19:06:26,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-11 19:06:26,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1393715984, now seen corresponding path program 2 times [2021-03-11 19:06:26,921 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-11 19:06:26,922 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [308211959] [2021-03-11 19:06:26,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-11 19:06:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-11 19:06:26,979 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 19:06:26,979 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 19:06:26,980 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 19:06:26,980 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-03-11 19:06:26,984 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-03-11 19:06:26,984 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-03-11 19:06:26,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-11 19:06:26,984 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [308211959] [2021-03-11 19:06:26,984 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-11 19:06:26,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-11 19:06:26,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290143437] [2021-03-11 19:06:26,985 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-11 19:06:26,985 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-11 19:06:26,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-11 19:06:26,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-11 19:06:26,988 INFO L500 CegarLoopForPetriNet]: Number of universal loopers: 120 out of 158 [2021-03-11 19:06:26,989 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 25 transitions, 101 flow. Second operand has 3 states, 3 states have (on average 121.0) internal successors, (363), 3 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 19:06:26,989 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-03-11 19:06:26,989 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 120 of 158 [2021-03-11 19:06:26,989 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-03-11 19:06:26,995 INFO L129 PetriNetUnfolder]: 0/17 cut-off events. [2021-03-11 19:06:26,995 INFO L130 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2021-03-11 19:06:26,995 INFO L84 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 17 events. 0/17 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 12 event pairs, 0 based on Foata normal form. 2/19 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-03-11 19:06:26,996 INFO L132 encePairwiseOnDemand]: 156/158 looper letters, 0 selfloop transitions, 0 changer transitions 17/17 dead transitions. [2021-03-11 19:06:26,996 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 30 places, 17 transitions, 65 flow [2021-03-11 19:06:26,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-11 19:06:26,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2021-03-11 19:06:26,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 364 transitions. [2021-03-11 19:06:26,997 INFO L545 CegarLoopForPetriNet]: DFA transition density 0.7679324894514767 [2021-03-11 19:06:26,997 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 364 transitions. [2021-03-11 19:06:26,997 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 364 transitions. [2021-03-11 19:06:26,997 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-03-11 19:06:26,997 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 364 transitions. [2021-03-11 19:06:26,998 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 121.33333333333333) internal successors, (364), 3 states have internal predecessors, (364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 19:06:26,999 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 158.0) internal successors, (632), 4 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 19:06:27,000 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 158.0) internal successors, (632), 4 states have internal predecessors, (632), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 19:06:27,001 INFO L185 Difference]: Start difference. First operand has 33 places, 25 transitions, 101 flow. Second operand 3 states and 364 transitions. [2021-03-11 19:06:27,001 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 30 places, 17 transitions, 65 flow [2021-03-11 19:06:27,001 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 17 transitions, 49 flow, removed 3 selfloop flow, removed 6 redundant places. [2021-03-11 19:06:27,002 INFO L241 Difference]: Finished difference. Result has 24 places, 0 transitions, 0 flow [2021-03-11 19:06:27,002 INFO L318 CegarLoopForPetriNet]: {PETRI_ALPHABET=158, PETRI_DIFFERENCE_MINUEND_FLOW=43, PETRI_DIFFERENCE_MINUEND_PLACES=22, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=17, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=24, PETRI_TRANSITIONS=0} [2021-03-11 19:06:27,002 INFO L335 CegarLoopForPetriNet]: 29 programPoint places, -5 predicate places. [2021-03-11 19:06:27,002 INFO L480 AbstractCegarLoop]: Abstraction has has 24 places, 0 transitions, 0 flow [2021-03-11 19:06:27,002 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 121.0) internal successors, (363), 3 states have internal predecessors, (363), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-11 19:06:27,003 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-03-11 19:06:27,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.03 07:06:27 BasicIcfg [2021-03-11 19:06:27,005 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-11 19:06:27,006 INFO L168 Benchmark]: Toolchain (without parser) took 6401.42 ms. Allocated memory was 356.5 MB in the beginning and 427.8 MB in the end (delta: 71.3 MB). Free memory was 319.6 MB in the beginning and 386.7 MB in the end (delta: -67.1 MB). Peak memory consumption was 4.3 MB. Max. memory is 16.0 GB. [2021-03-11 19:06:27,006 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 356.5 MB. Free memory was 337.9 MB in the beginning and 337.8 MB in the end (delta: 69.4 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 19:06:27,007 INFO L168 Benchmark]: CACSL2BoogieTranslator took 521.00 ms. Allocated memory is still 356.5 MB. Free memory was 319.0 MB in the beginning and 319.7 MB in the end (delta: -683.2 kB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. [2021-03-11 19:06:27,007 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.61 ms. Allocated memory is still 356.5 MB. Free memory was 319.7 MB in the beginning and 317.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-11 19:06:27,008 INFO L168 Benchmark]: Boogie Preprocessor took 31.73 ms. Allocated memory is still 356.5 MB. Free memory was 317.6 MB in the beginning and 316.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 19:06:27,008 INFO L168 Benchmark]: RCFGBuilder took 447.04 ms. Allocated memory is still 356.5 MB. Free memory was 316.5 MB in the beginning and 291.4 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. [2021-03-11 19:06:27,008 INFO L168 Benchmark]: TraceAbstraction took 5328.68 ms. Allocated memory was 356.5 MB in the beginning and 427.8 MB in the end (delta: 71.3 MB). Free memory was 290.3 MB in the beginning and 386.7 MB in the end (delta: -96.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-11 19:06:27,010 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 356.5 MB. Free memory was 337.9 MB in the beginning and 337.8 MB in the end (delta: 69.4 kB). There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 521.00 ms. Allocated memory is still 356.5 MB. Free memory was 319.0 MB in the beginning and 319.7 MB in the end (delta: -683.2 kB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 53.61 ms. Allocated memory is still 356.5 MB. Free memory was 319.7 MB in the beginning and 317.6 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 31.73 ms. Allocated memory is still 356.5 MB. Free memory was 317.6 MB in the beginning and 316.5 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 447.04 ms. Allocated memory is still 356.5 MB. Free memory was 316.5 MB in the beginning and 291.4 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.0 GB. * TraceAbstraction took 5328.68 ms. Allocated memory was 356.5 MB in the beginning and 427.8 MB in the end (delta: 71.3 MB). Free memory was 290.3 MB in the beginning and 386.7 MB in the end (delta: -96.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4278.5ms, 79 PlacesBefore, 29 PlacesAfterwards, 78 TransitionsBefore, 27 TransitionsAfterwards, 976 CoEnabledTransitionPairs, 6 FixpointIterations, 33 TrivialSequentialCompositions, 23 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 8 ConcurrentYvCompositions, 1 ChoiceCompositions, 68 TotalNumberOfCompositions, 3261 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2091, positive: 1953, positive conditional: 0, positive unconditional: 1953, negative: 138, negative conditional: 0, negative unconditional: 138, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 820, positive: 791, positive conditional: 0, positive unconditional: 791, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 820, positive: 736, positive conditional: 0, positive unconditional: 736, negative: 84, negative conditional: 0, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 84, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 242, positive: 132, positive conditional: 0, positive unconditional: 132, negative: 110, negative conditional: 0, negative unconditional: 110, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2091, positive: 1162, positive conditional: 0, positive unconditional: 1162, negative: 109, negative conditional: 0, negative unconditional: 109, unknown: 820, unknown conditional: 0, unknown unconditional: 820] , Statistics on independence cache: Total cache size (in pairs): 167, Positive cache size: 152, Positive conditional cache size: 0, Positive unconditional cache size: 152, Negative cache size: 15, Negative conditional cache size: 0, Negative unconditional cache size: 15 - PositiveResult [Line: 702]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 710]: 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 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 84 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 7.0ms, RemoveRedundantFlowTime: 0.0ms, RemoveRedundantFlowUnfoldingTime: 0.0ms, BackfoldingTime: 0.0ms, BackfoldingUnfoldingTime: 0.0ms, FlowIncreaseByBackfolding: 0, BasicCegarLoop: VerificationResult: SAFE, OverallTime: 5222.8ms, OverallIterations: 5, TraceHistogramMax: 1, EmptinessCheckTime: 0.0ms, AutomataDifference: 308.1ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 4371.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 30 SDtfs, 35 SDslu, 6 SDs, 0 SdLazy, 56 SolverSat, 26 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 91.4ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 50.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=101occurred in iteration=4, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 13.6ms SsaConstructionTime, 88.3ms SatisfiabilityAnalysisTime, 278.2ms InterpolantComputationTime, 45 NumberOfCodeBlocks, 45 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 140 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...