/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -i ../../../trunk/examples/svcomp/pthread-ext/17_szymanski.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-7bb8cbd [2020-10-15 20:48:14,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 20:48:14,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 20:48:14,049 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 20:48:14,050 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 20:48:14,051 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 20:48:14,052 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 20:48:14,054 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 20:48:14,056 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 20:48:14,057 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 20:48:14,058 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 20:48:14,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 20:48:14,059 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 20:48:14,060 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 20:48:14,061 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 20:48:14,062 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 20:48:14,063 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 20:48:14,064 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 20:48:14,066 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 20:48:14,068 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 20:48:14,069 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 20:48:14,070 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 20:48:14,071 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 20:48:14,072 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 20:48:14,075 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-10-15 20:48:14,081 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 20:48:14,082 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 20:48:14,083 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 20:48:14,084 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 20:48:14,084 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 20:48:14,085 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 20:48:14,088 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 20:48:14,088 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 20:48:14,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 20:48:14,089 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 20:48:14,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 20:48:14,091 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-SemanticLbe.epf [2020-10-15 20:48:14,148 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 20:48:14,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 20:48:14,149 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 20:48:14,149 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 20:48:14,149 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 20:48:14,150 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 20:48:14,150 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-15 20:48:14,152 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 20:48:14,152 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-15 20:48:14,153 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 20:48:14,153 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 20:48:14,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 20:48:14,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 20:48:14,153 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-15 20:48:14,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 20:48:14,154 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 20:48:14,154 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 20:48:14,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 20:48:14,155 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 20:48:14,155 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 20:48:14,155 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 20:48:14,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 20:48:14,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 20:48:14,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 20:48:14,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 20:48:14,156 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 20:48:14,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 20:48:14,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 20:48:14,157 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 20:48:14,497 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 20:48:14,517 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 20:48:14,521 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 20:48:14,523 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 20:48:14,523 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 20:48:14,524 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/17_szymanski.i [2020-10-15 20:48:14,592 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b05b0e645/61b06200947e4ef58dcc61e64ca46ab7/FLAG58a2f5d3f [2020-10-15 20:48:15,173 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 20:48:15,174 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/17_szymanski.i [2020-10-15 20:48:15,192 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b05b0e645/61b06200947e4ef58dcc61e64ca46ab7/FLAG58a2f5d3f [2020-10-15 20:48:15,474 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b05b0e645/61b06200947e4ef58dcc61e64ca46ab7 [2020-10-15 20:48:15,482 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 20:48:15,484 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-15 20:48:15,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 20:48:15,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 20:48:15,489 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 20:48:15,490 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:48:15" (1/1) ... [2020-10-15 20:48:15,493 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@38ab888b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:48:15, skipping insertion in model container [2020-10-15 20:48:15,493 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 08:48:15" (1/1) ... [2020-10-15 20:48:15,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 20:48:15,564 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 20:48:15,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 20:48:15,993 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 20:48:16,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 20:48:16,120 INFO L208 MainTranslator]: Completed translation [2020-10-15 20:48:16,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:48:16 WrapperNode [2020-10-15 20:48:16,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 20:48:16,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-15 20:48:16,122 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-15 20:48:16,122 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-15 20:48:16,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:48:16" (1/1) ... [2020-10-15 20:48:16,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:48:16" (1/1) ... [2020-10-15 20:48:16,172 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-15 20:48:16,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 20:48:16,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 20:48:16,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 20:48:16,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:48:16" (1/1) ... [2020-10-15 20:48:16,184 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:48:16" (1/1) ... [2020-10-15 20:48:16,186 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:48:16" (1/1) ... [2020-10-15 20:48:16,187 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:48:16" (1/1) ... [2020-10-15 20:48:16,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:48:16" (1/1) ... [2020-10-15 20:48:16,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:48:16" (1/1) ... [2020-10-15 20:48:16,201 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:48:16" (1/1) ... [2020-10-15 20:48:16,204 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 20:48:16,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 20:48:16,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 20:48:16,205 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 20:48:16,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:48:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 20:48:16,287 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2020-10-15 20:48:16,288 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2020-10-15 20:48:16,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 20:48:16,289 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 20:48:16,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 20:48:16,289 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 20:48:16,290 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 20:48:16,295 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-15 20:48:16,692 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 20:48:16,693 INFO L298 CfgBuilder]: Removed 16 assume(true) statements. [2020-10-15 20:48:16,695 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:48:16 BoogieIcfgContainer [2020-10-15 20:48:16,695 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 20:48:16,696 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 20:48:16,696 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 20:48:16,700 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 20:48:16,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 08:48:15" (1/3) ... [2020-10-15 20:48:16,701 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5331c55c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:48:16, skipping insertion in model container [2020-10-15 20:48:16,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 08:48:16" (2/3) ... [2020-10-15 20:48:16,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5331c55c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 08:48:16, skipping insertion in model container [2020-10-15 20:48:16,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 08:48:16" (3/3) ... [2020-10-15 20:48:16,704 INFO L111 eAbstractionObserver]: Analyzing ICFG 17_szymanski.i [2020-10-15 20:48:16,716 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-15 20:48:16,716 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-15 20:48:16,724 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2020-10-15 20:48:16,725 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-15 20:48:16,750 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:48:16,750 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:48:16,750 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:48:16,751 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:48:16,751 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:48:16,752 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:48:16,756 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:48:16,756 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:48:16,757 WARN L313 ript$VariableManager]: TermVariabe thr1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:48:16,757 WARN L313 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-15 20:48:16,779 INFO L253 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2020-10-15 20:48:16,797 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-15 20:48:16,797 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-15 20:48:16,798 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-15 20:48:16,798 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 20:48:16,798 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 20:48:16,798 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-15 20:48:16,798 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 20:48:16,798 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 20:48:16,813 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-15 20:48:16,816 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 62 places, 82 transitions, 169 flow [2020-10-15 20:48:16,818 INFO L111 LiptonReduction]: Starting Lipton reduction on Petri net that has 62 places, 82 transitions, 169 flow [2020-10-15 20:48:16,819 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 62 places, 82 transitions, 169 flow [2020-10-15 20:48:16,860 INFO L129 PetriNetUnfolder]: 24/81 cut-off events. [2020-10-15 20:48:16,860 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2020-10-15 20:48:16,867 INFO L80 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 81 events. 24/81 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 134 event pairs, 0 based on Foata normal form. 0/55 useless extension candidates. Maximal degree in co-relation 70. Up to 3 conditions per place. [2020-10-15 20:48:16,872 INFO L117 LiptonReduction]: Number of co-enabled transitions 2400 [2020-10-15 20:48:17,815 INFO L132 LiptonReduction]: Checked pairs total: 4233 [2020-10-15 20:48:17,815 INFO L134 LiptonReduction]: Total number of compositions: 43 [2020-10-15 20:48:17,822 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 51 transitions, 107 flow [2020-10-15 20:48:17,842 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 227 states. [2020-10-15 20:48:17,845 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2020-10-15 20:48:17,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2020-10-15 20:48:17,853 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:48:17,854 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:48:17,855 INFO L429 AbstractCegarLoop]: === Iteration 1 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:48:17,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:48:17,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1558311805, now seen corresponding path program 1 times [2020-10-15 20:48:17,869 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:48:17,869 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [573279645] [2020-10-15 20:48:17,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:48:17,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:48:18,027 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:48:18,028 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [573279645] [2020-10-15 20:48:18,029 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:48:18,029 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 20:48:18,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038718352] [2020-10-15 20:48:18,038 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-15 20:48:18,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:48:18,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-15 20:48:18,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-15 20:48:18,066 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 2 states. [2020-10-15 20:48:18,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:48:18,091 INFO L93 Difference]: Finished difference Result 198 states and 534 transitions. [2020-10-15 20:48:18,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-15 20:48:18,093 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 9 [2020-10-15 20:48:18,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:48:18,108 INFO L225 Difference]: With dead ends: 198 [2020-10-15 20:48:18,108 INFO L226 Difference]: Without dead ends: 198 [2020-10-15 20:48:18,109 INFO L677 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 [2020-10-15 20:48:18,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2020-10-15 20:48:18,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2020-10-15 20:48:18,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2020-10-15 20:48:18,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 534 transitions. [2020-10-15 20:48:18,173 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 534 transitions. Word has length 9 [2020-10-15 20:48:18,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:48:18,173 INFO L481 AbstractCegarLoop]: Abstraction has 198 states and 534 transitions. [2020-10-15 20:48:18,173 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-15 20:48:18,174 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 534 transitions. [2020-10-15 20:48:18,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-15 20:48:18,175 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:48:18,175 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:48:18,176 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 20:48:18,176 INFO L429 AbstractCegarLoop]: === Iteration 2 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:48:18,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:48:18,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1031484476, now seen corresponding path program 1 times [2020-10-15 20:48:18,177 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:48:18,177 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251425254] [2020-10-15 20:48:18,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:48:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:48:18,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:48:18,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251425254] [2020-10-15 20:48:18,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:48:18,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 20:48:18,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882183350] [2020-10-15 20:48:18,259 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 20:48:18,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:48:18,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 20:48:18,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:48:18,261 INFO L87 Difference]: Start difference. First operand 198 states and 534 transitions. Second operand 3 states. [2020-10-15 20:48:18,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:48:18,298 INFO L93 Difference]: Finished difference Result 362 states and 979 transitions. [2020-10-15 20:48:18,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 20:48:18,299 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-15 20:48:18,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:48:18,304 INFO L225 Difference]: With dead ends: 362 [2020-10-15 20:48:18,304 INFO L226 Difference]: Without dead ends: 362 [2020-10-15 20:48:18,305 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:48:18,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2020-10-15 20:48:18,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 221. [2020-10-15 20:48:18,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-10-15 20:48:18,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 589 transitions. [2020-10-15 20:48:18,336 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 589 transitions. Word has length 11 [2020-10-15 20:48:18,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:48:18,337 INFO L481 AbstractCegarLoop]: Abstraction has 221 states and 589 transitions. [2020-10-15 20:48:18,337 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 20:48:18,337 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 589 transitions. [2020-10-15 20:48:18,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2020-10-15 20:48:18,339 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:48:18,339 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:48:18,339 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 20:48:18,339 INFO L429 AbstractCegarLoop]: === Iteration 3 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:48:18,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:48:18,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1746695160, now seen corresponding path program 1 times [2020-10-15 20:48:18,340 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:48:18,340 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073594130] [2020-10-15 20:48:18,340 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:48:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:48:18,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:48:18,411 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073594130] [2020-10-15 20:48:18,412 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:48:18,412 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-15 20:48:18,412 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151845936] [2020-10-15 20:48:18,413 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 20:48:18,413 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:48:18,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 20:48:18,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:48:18,414 INFO L87 Difference]: Start difference. First operand 221 states and 589 transitions. Second operand 3 states. [2020-10-15 20:48:18,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:48:18,442 INFO L93 Difference]: Finished difference Result 348 states and 934 transitions. [2020-10-15 20:48:18,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 20:48:18,443 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2020-10-15 20:48:18,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:48:18,446 INFO L225 Difference]: With dead ends: 348 [2020-10-15 20:48:18,447 INFO L226 Difference]: Without dead ends: 348 [2020-10-15 20:48:18,447 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:48:18,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 348 states. [2020-10-15 20:48:18,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 348 to 218. [2020-10-15 20:48:18,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 218 states. [2020-10-15 20:48:18,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 560 transitions. [2020-10-15 20:48:18,469 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 560 transitions. Word has length 11 [2020-10-15 20:48:18,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:48:18,470 INFO L481 AbstractCegarLoop]: Abstraction has 218 states and 560 transitions. [2020-10-15 20:48:18,470 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 20:48:18,470 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 560 transitions. [2020-10-15 20:48:18,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-15 20:48:18,472 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:48:18,472 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:48:18,473 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 20:48:18,473 INFO L429 AbstractCegarLoop]: === Iteration 4 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:48:18,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:48:18,474 INFO L82 PathProgramCache]: Analyzing trace with hash -1652537164, now seen corresponding path program 1 times [2020-10-15 20:48:18,474 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:48:18,474 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023040253] [2020-10-15 20:48:18,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:48:18,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:48:18,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:48:18,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023040253] [2020-10-15 20:48:18,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:48:18,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 20:48:18,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840919279] [2020-10-15 20:48:18,521 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 20:48:18,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:48:18,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 20:48:18,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:48:18,522 INFO L87 Difference]: Start difference. First operand 218 states and 560 transitions. Second operand 3 states. [2020-10-15 20:48:18,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:48:18,565 INFO L93 Difference]: Finished difference Result 220 states and 542 transitions. [2020-10-15 20:48:18,565 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 20:48:18,566 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-15 20:48:18,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:48:18,568 INFO L225 Difference]: With dead ends: 220 [2020-10-15 20:48:18,568 INFO L226 Difference]: Without dead ends: 220 [2020-10-15 20:48:18,568 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:48:18,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2020-10-15 20:48:18,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 220. [2020-10-15 20:48:18,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-10-15 20:48:18,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 542 transitions. [2020-10-15 20:48:18,583 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 542 transitions. Word has length 19 [2020-10-15 20:48:18,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:48:18,583 INFO L481 AbstractCegarLoop]: Abstraction has 220 states and 542 transitions. [2020-10-15 20:48:18,584 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 20:48:18,584 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 542 transitions. [2020-10-15 20:48:18,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-15 20:48:18,586 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:48:18,586 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:48:18,586 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 20:48:18,587 INFO L429 AbstractCegarLoop]: === Iteration 5 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:48:18,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:48:18,587 INFO L82 PathProgramCache]: Analyzing trace with hash 952506058, now seen corresponding path program 1 times [2020-10-15 20:48:18,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:48:18,588 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322146557] [2020-10-15 20:48:18,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:48:18,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:48:18,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:48:18,618 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322146557] [2020-10-15 20:48:18,619 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:48:18,619 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 20:48:18,619 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360489594] [2020-10-15 20:48:18,620 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 20:48:18,620 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:48:18,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 20:48:18,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:48:18,620 INFO L87 Difference]: Start difference. First operand 220 states and 542 transitions. Second operand 3 states. [2020-10-15 20:48:18,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:48:18,662 INFO L93 Difference]: Finished difference Result 240 states and 579 transitions. [2020-10-15 20:48:18,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 20:48:18,662 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-15 20:48:18,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:48:18,664 INFO L225 Difference]: With dead ends: 240 [2020-10-15 20:48:18,665 INFO L226 Difference]: Without dead ends: 240 [2020-10-15 20:48:18,665 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:48:18,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-10-15 20:48:18,675 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 230. [2020-10-15 20:48:18,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-10-15 20:48:18,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 557 transitions. [2020-10-15 20:48:18,677 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 557 transitions. Word has length 19 [2020-10-15 20:48:18,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:48:18,677 INFO L481 AbstractCegarLoop]: Abstraction has 230 states and 557 transitions. [2020-10-15 20:48:18,677 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 20:48:18,678 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 557 transitions. [2020-10-15 20:48:18,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-15 20:48:18,680 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:48:18,680 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:48:18,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 20:48:18,681 INFO L429 AbstractCegarLoop]: === Iteration 6 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:48:18,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:48:18,681 INFO L82 PathProgramCache]: Analyzing trace with hash -687819132, now seen corresponding path program 2 times [2020-10-15 20:48:18,681 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:48:18,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051281661] [2020-10-15 20:48:18,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:48:18,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:48:18,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:48:18,725 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1051281661] [2020-10-15 20:48:18,725 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:48:18,726 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 20:48:18,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288324806] [2020-10-15 20:48:18,726 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 20:48:18,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:48:18,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 20:48:18,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:48:18,729 INFO L87 Difference]: Start difference. First operand 230 states and 557 transitions. Second operand 3 states. [2020-10-15 20:48:18,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:48:18,782 INFO L93 Difference]: Finished difference Result 228 states and 541 transitions. [2020-10-15 20:48:18,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 20:48:18,783 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-15 20:48:18,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:48:18,784 INFO L225 Difference]: With dead ends: 228 [2020-10-15 20:48:18,785 INFO L226 Difference]: Without dead ends: 228 [2020-10-15 20:48:18,785 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:48:18,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2020-10-15 20:48:18,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 228. [2020-10-15 20:48:18,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-10-15 20:48:18,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 541 transitions. [2020-10-15 20:48:18,794 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 541 transitions. Word has length 19 [2020-10-15 20:48:18,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:48:18,795 INFO L481 AbstractCegarLoop]: Abstraction has 228 states and 541 transitions. [2020-10-15 20:48:18,795 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 20:48:18,796 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 541 transitions. [2020-10-15 20:48:18,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-10-15 20:48:18,800 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 20:48:18,800 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-15 20:48:18,801 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 20:48:18,801 INFO L429 AbstractCegarLoop]: === Iteration 7 === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, thr1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 20:48:18,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 20:48:18,801 INFO L82 PathProgramCache]: Analyzing trace with hash -36638496, now seen corresponding path program 3 times [2020-10-15 20:48:18,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-15 20:48:18,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456576337] [2020-10-15 20:48:18,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 20:48:18,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 20:48:18,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 20:48:18,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456576337] [2020-10-15 20:48:18,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 20:48:18,860 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-15 20:48:18,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821053989] [2020-10-15 20:48:18,861 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-15 20:48:18,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-15 20:48:18,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-15 20:48:18,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:48:18,862 INFO L87 Difference]: Start difference. First operand 228 states and 541 transitions. Second operand 3 states. [2020-10-15 20:48:18,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 20:48:18,910 INFO L93 Difference]: Finished difference Result 194 states and 456 transitions. [2020-10-15 20:48:18,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-15 20:48:18,911 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-10-15 20:48:18,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 20:48:18,911 INFO L225 Difference]: With dead ends: 194 [2020-10-15 20:48:18,911 INFO L226 Difference]: Without dead ends: 0 [2020-10-15 20:48:18,912 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-15 20:48:18,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-15 20:48:18,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-15 20:48:18,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-15 20:48:18,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-15 20:48:18,913 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2020-10-15 20:48:18,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 20:48:18,914 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-15 20:48:18,914 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-15 20:48:18,914 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-15 20:48:18,915 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-15 20:48:18,915 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 20:48:18,919 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.10 08:48:18 BasicIcfg [2020-10-15 20:48:18,919 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-15 20:48:18,923 INFO L168 Benchmark]: Toolchain (without parser) took 3437.36 ms. Allocated memory was 249.6 MB in the beginning and 355.5 MB in the end (delta: 105.9 MB). Free memory was 205.3 MB in the beginning and 206.2 MB in the end (delta: -923.7 kB). Peak memory consumption was 105.0 MB. Max. memory is 14.2 GB. [2020-10-15 20:48:18,924 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 249.6 MB. Free memory was 227.6 MB in the beginning and 226.8 MB in the end (delta: 838.9 kB). Peak memory consumption was 838.9 kB. Max. memory is 14.2 GB. [2020-10-15 20:48:18,925 INFO L168 Benchmark]: CACSL2BoogieTranslator took 636.42 ms. Allocated memory was 249.6 MB in the beginning and 308.3 MB in the end (delta: 58.7 MB). Free memory was 205.3 MB in the beginning and 263.1 MB in the end (delta: -57.8 MB). Peak memory consumption was 29.2 MB. Max. memory is 14.2 GB. [2020-10-15 20:48:18,926 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.00 ms. Allocated memory is still 308.3 MB. Free memory was 263.1 MB in the beginning and 261.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-15 20:48:18,927 INFO L168 Benchmark]: Boogie Preprocessor took 32.26 ms. Allocated memory is still 308.3 MB. Free memory was 261.5 MB in the beginning and 259.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. [2020-10-15 20:48:18,928 INFO L168 Benchmark]: RCFGBuilder took 490.27 ms. Allocated memory is still 308.3 MB. Free memory was 259.8 MB in the beginning and 237.0 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 14.2 GB. [2020-10-15 20:48:18,929 INFO L168 Benchmark]: TraceAbstraction took 2223.02 ms. Allocated memory was 308.3 MB in the beginning and 355.5 MB in the end (delta: 47.2 MB). Free memory was 237.0 MB in the beginning and 206.2 MB in the end (delta: 30.8 MB). Peak memory consumption was 78.0 MB. Max. memory is 14.2 GB. [2020-10-15 20:48:18,933 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 249.6 MB. Free memory was 227.6 MB in the beginning and 226.8 MB in the end (delta: 838.9 kB). Peak memory consumption was 838.9 kB. Max. memory is 14.2 GB. * CACSL2BoogieTranslator took 636.42 ms. Allocated memory was 249.6 MB in the beginning and 308.3 MB in the end (delta: 58.7 MB). Free memory was 205.3 MB in the beginning and 263.1 MB in the end (delta: -57.8 MB). Peak memory consumption was 29.2 MB. Max. memory is 14.2 GB. * Boogie Procedure Inliner took 50.00 ms. Allocated memory is still 308.3 MB. Free memory was 263.1 MB in the beginning and 261.5 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * Boogie Preprocessor took 32.26 ms. Allocated memory is still 308.3 MB. Free memory was 261.5 MB in the beginning and 259.8 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.2 GB. * RCFGBuilder took 490.27 ms. Allocated memory is still 308.3 MB. Free memory was 259.8 MB in the beginning and 237.0 MB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 14.2 GB. * TraceAbstraction took 2223.02 ms. Allocated memory was 308.3 MB in the beginning and 355.5 MB in the end (delta: 47.2 MB). Free memory was 237.0 MB in the beginning and 206.2 MB in the end (delta: 30.8 MB). Peak memory consumption was 78.0 MB. Max. memory is 14.2 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 1206 VarBasedMoverChecksPositive, 61 VarBasedMoverChecksNegative, 33 SemBasedMoverChecksPositive, 28 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.2s, 247 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 0.9s, 62 PlacesBefore, 35 PlacesAfterwards, 82 TransitionsBefore, 51 TransitionsAfterwards, 2400 CoEnabledTransitionPairs, 4 FixpointIterations, 9 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 12 ConcurrentYvCompositions, 4 ChoiceCompositions, 43 TotalNumberOfCompositions, 4233 MoverChecksTotal - PositiveResult [Line: 687]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 705]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 59 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.1s, OverallIterations: 7, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 1.0s, HoareTripleCheckerStatistics: 373 SDtfs, 152 SDslu, 134 SDs, 0 SdLazy, 98 SolverSat, 24 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=230occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 281 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 2248 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 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...