/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix056_tso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-28 03:25:28,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-28 03:25:28,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-28 03:25:28,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-28 03:25:28,166 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-28 03:25:28,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-28 03:25:28,168 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-28 03:25:28,170 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-28 03:25:28,172 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-28 03:25:28,173 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-28 03:25:28,174 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-28 03:25:28,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-28 03:25:28,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-28 03:25:28,176 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-28 03:25:28,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-28 03:25:28,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-28 03:25:28,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-28 03:25:28,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-28 03:25:28,181 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-28 03:25:28,183 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-28 03:25:28,185 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-28 03:25:28,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-28 03:25:28,187 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-28 03:25:28,188 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-28 03:25:28,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-28 03:25:28,190 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-28 03:25:28,190 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-28 03:25:28,191 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-28 03:25:28,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-28 03:25:28,193 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-28 03:25:28,193 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-28 03:25:28,194 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-28 03:25:28,195 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-28 03:25:28,195 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-28 03:25:28,196 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-28 03:25:28,197 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-28 03:25:28,197 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-28 03:25:28,197 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-28 03:25:28,198 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-28 03:25:28,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-28 03:25:28,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-28 03:25:28,200 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-MCR.epf [2019-12-28 03:25:28,218 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-28 03:25:28,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-28 03:25:28,219 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-28 03:25:28,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-28 03:25:28,221 INFO L138 SettingsManager]: * Use SBE=true [2019-12-28 03:25:28,221 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-28 03:25:28,222 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-28 03:25:28,222 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-28 03:25:28,222 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-28 03:25:28,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-28 03:25:28,222 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-28 03:25:28,223 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-28 03:25:28,223 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-28 03:25:28,223 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-28 03:25:28,223 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-28 03:25:28,223 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-28 03:25:28,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-28 03:25:28,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-28 03:25:28,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-28 03:25:28,224 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-28 03:25:28,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-28 03:25:28,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 03:25:28,226 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-28 03:25:28,226 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-28 03:25:28,227 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-28 03:25:28,227 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-28 03:25:28,227 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-28 03:25:28,227 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-28 03:25:28,227 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-28 03:25:28,228 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-28 03:25:28,228 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-28 03:25:28,228 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-28 03:25:28,514 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-28 03:25:28,530 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-28 03:25:28,533 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-28 03:25:28,535 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-28 03:25:28,536 INFO L275 PluginConnector]: CDTParser initialized [2019-12-28 03:25:28,537 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix056_tso.opt.i [2019-12-28 03:25:28,609 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64428013c/a98cc4064531456d8bc69fe2af373b32/FLAGd3fe89e89 [2019-12-28 03:25:29,121 INFO L306 CDTParser]: Found 1 translation units. [2019-12-28 03:25:29,122 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix056_tso.opt.i [2019-12-28 03:25:29,145 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64428013c/a98cc4064531456d8bc69fe2af373b32/FLAGd3fe89e89 [2019-12-28 03:25:29,444 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64428013c/a98cc4064531456d8bc69fe2af373b32 [2019-12-28 03:25:29,453 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-28 03:25:29,455 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-28 03:25:29,456 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-28 03:25:29,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-28 03:25:29,461 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-28 03:25:29,462 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:25:29" (1/1) ... [2019-12-28 03:25:29,465 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79aefccc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:25:29, skipping insertion in model container [2019-12-28 03:25:29,465 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 03:25:29" (1/1) ... [2019-12-28 03:25:29,474 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-28 03:25:29,544 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-28 03:25:30,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 03:25:30,095 INFO L203 MainTranslator]: Completed pre-run [2019-12-28 03:25:30,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 03:25:30,255 INFO L208 MainTranslator]: Completed translation [2019-12-28 03:25:30,256 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:25:30 WrapperNode [2019-12-28 03:25:30,256 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-28 03:25:30,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-28 03:25:30,257 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-28 03:25:30,259 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-28 03:25:30,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:25:30" (1/1) ... [2019-12-28 03:25:30,288 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:25:30" (1/1) ... [2019-12-28 03:25:30,327 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-28 03:25:30,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-28 03:25:30,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-28 03:25:30,327 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-28 03:25:30,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:25:30" (1/1) ... [2019-12-28 03:25:30,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:25:30" (1/1) ... [2019-12-28 03:25:30,343 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:25:30" (1/1) ... [2019-12-28 03:25:30,344 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:25:30" (1/1) ... [2019-12-28 03:25:30,354 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:25:30" (1/1) ... [2019-12-28 03:25:30,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:25:30" (1/1) ... [2019-12-28 03:25:30,362 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:25:30" (1/1) ... [2019-12-28 03:25:30,367 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-28 03:25:30,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-28 03:25:30,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-28 03:25:30,368 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-28 03:25:30,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:25:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 03:25:30,446 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-28 03:25:30,446 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-28 03:25:30,446 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-28 03:25:30,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-28 03:25:30,446 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-28 03:25:30,447 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-28 03:25:30,447 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-28 03:25:30,447 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-28 03:25:30,447 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-28 03:25:30,447 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-28 03:25:30,447 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-28 03:25:30,447 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-28 03:25:30,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-28 03:25:30,450 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-28 03:25:31,200 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-28 03:25:31,200 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-28 03:25:31,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:25:31 BoogieIcfgContainer [2019-12-28 03:25:31,202 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-28 03:25:31,203 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-28 03:25:31,203 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-28 03:25:31,207 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-28 03:25:31,207 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 03:25:29" (1/3) ... [2019-12-28 03:25:31,208 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ddd311e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:25:31, skipping insertion in model container [2019-12-28 03:25:31,208 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 03:25:30" (2/3) ... [2019-12-28 03:25:31,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ddd311e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 03:25:31, skipping insertion in model container [2019-12-28 03:25:31,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 03:25:31" (3/3) ... [2019-12-28 03:25:31,211 INFO L109 eAbstractionObserver]: Analyzing ICFG mix056_tso.opt.i [2019-12-28 03:25:31,221 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-28 03:25:31,222 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-28 03:25:31,229 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-28 03:25:31,230 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-28 03:25:31,266 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,267 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,267 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,267 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,268 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,268 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,269 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,269 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,269 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,269 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,270 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,270 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,270 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,270 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,271 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,271 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,271 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,272 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,272 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,272 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,272 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,273 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,273 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,276 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,276 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,276 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,277 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,277 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,277 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,277 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,278 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,278 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,278 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,278 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,279 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,279 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,280 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,280 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,280 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,280 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,281 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,281 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,281 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,281 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,282 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,282 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,282 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,283 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,283 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,283 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,284 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,284 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,284 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,284 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,285 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,285 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,285 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,285 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,286 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,286 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,286 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,286 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,287 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,287 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,287 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,287 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,287 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,288 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,288 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,288 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,292 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,293 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,293 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,293 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,293 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,294 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,294 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,294 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,294 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,294 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,295 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,295 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,298 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,299 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,299 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,299 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,302 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,303 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,303 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,303 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,303 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,304 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,304 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,304 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,304 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,305 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 03:25:31,320 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-28 03:25:31,342 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 03:25:31,343 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 03:25:31,343 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 03:25:31,343 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 03:25:31,343 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 03:25:31,343 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 03:25:31,344 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 03:25:31,344 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 03:25:31,359 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 162 places, 193 transitions [2019-12-28 03:25:45,491 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 92465 states. [2019-12-28 03:25:45,493 INFO L276 IsEmpty]: Start isEmpty. Operand 92465 states. [2019-12-28 03:25:45,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-12-28 03:25:45,509 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:25:45,510 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 03:25:45,511 INFO L410 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 03:25:45,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:25:45,516 INFO L82 PathProgramCache]: Analyzing trace with hash -40692432, now seen corresponding path program 1 times [2019-12-28 03:25:45,528 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:25:45,528 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136414067] [2019-12-28 03:25:45,529 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:25:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:25:45,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 03:25:45,886 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136414067] [2019-12-28 03:25:45,887 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:25:45,887 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-28 03:25:45,888 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [986045869] [2019-12-28 03:25:45,889 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:25:45,896 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:25:45,921 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 45 states and 44 transitions. [2019-12-28 03:25:45,922 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:25:45,926 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 03:25:45,926 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-28 03:25:45,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:25:45,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-28 03:25:45,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-28 03:25:45,939 INFO L87 Difference]: Start difference. First operand 92465 states. Second operand 4 states. [2019-12-28 03:25:48,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:25:48,961 INFO L93 Difference]: Finished difference Result 96401 states and 448737 transitions. [2019-12-28 03:25:48,961 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-28 03:25:48,963 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 44 [2019-12-28 03:25:48,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:25:49,779 INFO L225 Difference]: With dead ends: 96401 [2019-12-28 03:25:49,779 INFO L226 Difference]: Without dead ends: 85521 [2019-12-28 03:25:49,785 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-28 03:25:51,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85521 states. [2019-12-28 03:25:54,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85521 to 85521. [2019-12-28 03:25:54,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85521 states. [2019-12-28 03:25:55,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85521 states to 85521 states and 400697 transitions. [2019-12-28 03:25:55,765 INFO L78 Accepts]: Start accepts. Automaton has 85521 states and 400697 transitions. Word has length 44 [2019-12-28 03:25:55,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 03:25:55,767 INFO L462 AbstractCegarLoop]: Abstraction has 85521 states and 400697 transitions. [2019-12-28 03:25:55,767 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-28 03:25:55,767 INFO L276 IsEmpty]: Start isEmpty. Operand 85521 states and 400697 transitions. [2019-12-28 03:25:55,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-28 03:25:55,779 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:25:55,779 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 03:25:55,779 INFO L410 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 03:25:55,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:25:55,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1486807028, now seen corresponding path program 1 times [2019-12-28 03:25:55,780 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:25:55,781 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869113437] [2019-12-28 03:25:55,781 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:25:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:25:55,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 03:25:55,921 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869113437] [2019-12-28 03:25:55,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:25:55,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 03:25:55,921 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [589730860] [2019-12-28 03:25:55,922 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:25:55,928 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:25:55,944 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 80 states and 107 transitions. [2019-12-28 03:25:55,944 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:25:55,946 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 03:25:55,947 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-28 03:25:55,948 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:25:55,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-28 03:25:55,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-28 03:25:55,948 INFO L87 Difference]: Start difference. First operand 85521 states and 400697 transitions. Second operand 5 states. [2019-12-28 03:26:00,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:26:00,420 INFO L93 Difference]: Finished difference Result 139649 states and 623533 transitions. [2019-12-28 03:26:00,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 03:26:00,421 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2019-12-28 03:26:00,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:26:01,641 INFO L225 Difference]: With dead ends: 139649 [2019-12-28 03:26:01,642 INFO L226 Difference]: Without dead ends: 138929 [2019-12-28 03:26:01,643 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-28 03:26:02,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138929 states. [2019-12-28 03:26:08,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138929 to 132785. [2019-12-28 03:26:08,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132785 states. [2019-12-28 03:26:14,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132785 states to 132785 states and 597161 transitions. [2019-12-28 03:26:14,555 INFO L78 Accepts]: Start accepts. Automaton has 132785 states and 597161 transitions. Word has length 51 [2019-12-28 03:26:14,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 03:26:14,556 INFO L462 AbstractCegarLoop]: Abstraction has 132785 states and 597161 transitions. [2019-12-28 03:26:14,556 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-28 03:26:14,556 INFO L276 IsEmpty]: Start isEmpty. Operand 132785 states and 597161 transitions. [2019-12-28 03:26:14,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-28 03:26:14,565 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:26:14,565 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 03:26:14,565 INFO L410 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 03:26:14,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:26:14,566 INFO L82 PathProgramCache]: Analyzing trace with hash 1932443739, now seen corresponding path program 1 times [2019-12-28 03:26:14,566 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:26:14,566 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613011530] [2019-12-28 03:26:14,567 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:26:14,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:26:14,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 03:26:14,687 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613011530] [2019-12-28 03:26:14,687 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:26:14,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 03:26:14,687 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1938277359] [2019-12-28 03:26:14,688 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:26:14,693 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:26:14,700 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 53 states and 52 transitions. [2019-12-28 03:26:14,700 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:26:14,701 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 03:26:14,701 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-28 03:26:14,701 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:26:14,701 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-28 03:26:14,702 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-28 03:26:14,702 INFO L87 Difference]: Start difference. First operand 132785 states and 597161 transitions. Second operand 5 states. [2019-12-28 03:26:17,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:26:17,076 INFO L93 Difference]: Finished difference Result 161553 states and 717781 transitions. [2019-12-28 03:26:17,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 03:26:17,077 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2019-12-28 03:26:17,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:26:17,607 INFO L225 Difference]: With dead ends: 161553 [2019-12-28 03:26:17,607 INFO L226 Difference]: Without dead ends: 160753 [2019-12-28 03:26:17,608 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-28 03:26:18,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160753 states. [2019-12-28 03:26:26,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160753 to 139077. [2019-12-28 03:26:26,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139077 states. [2019-12-28 03:26:27,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139077 states to 139077 states and 623064 transitions. [2019-12-28 03:26:27,504 INFO L78 Accepts]: Start accepts. Automaton has 139077 states and 623064 transitions. Word has length 52 [2019-12-28 03:26:27,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 03:26:27,504 INFO L462 AbstractCegarLoop]: Abstraction has 139077 states and 623064 transitions. [2019-12-28 03:26:27,504 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-28 03:26:27,504 INFO L276 IsEmpty]: Start isEmpty. Operand 139077 states and 623064 transitions. [2019-12-28 03:26:27,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-12-28 03:26:27,543 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:26:27,543 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 03:26:27,543 INFO L410 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 03:26:27,544 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:26:27,544 INFO L82 PathProgramCache]: Analyzing trace with hash 389383967, now seen corresponding path program 1 times [2019-12-28 03:26:27,544 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:26:27,545 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130564569] [2019-12-28 03:26:27,545 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:26:27,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:26:27,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 03:26:27,682 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130564569] [2019-12-28 03:26:27,682 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:26:27,682 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 03:26:27,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [506011026] [2019-12-28 03:26:27,684 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:26:27,691 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:26:27,706 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 102 states and 143 transitions. [2019-12-28 03:26:27,706 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:26:27,707 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 03:26:27,707 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-28 03:26:27,707 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:26:27,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-28 03:26:27,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-28 03:26:27,708 INFO L87 Difference]: Start difference. First operand 139077 states and 623064 transitions. Second operand 6 states. [2019-12-28 03:26:30,470 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:26:30,470 INFO L93 Difference]: Finished difference Result 183581 states and 805090 transitions. [2019-12-28 03:26:30,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-12-28 03:26:30,471 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 59 [2019-12-28 03:26:30,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:26:31,064 INFO L225 Difference]: With dead ends: 183581 [2019-12-28 03:26:31,065 INFO L226 Difference]: Without dead ends: 182861 [2019-12-28 03:26:31,065 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2019-12-28 03:26:38,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182861 states. [2019-12-28 03:26:41,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182861 to 134929. [2019-12-28 03:26:41,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134929 states. [2019-12-28 03:26:41,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134929 states to 134929 states and 604573 transitions. [2019-12-28 03:26:41,644 INFO L78 Accepts]: Start accepts. Automaton has 134929 states and 604573 transitions. Word has length 59 [2019-12-28 03:26:41,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 03:26:41,645 INFO L462 AbstractCegarLoop]: Abstraction has 134929 states and 604573 transitions. [2019-12-28 03:26:41,645 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-28 03:26:41,645 INFO L276 IsEmpty]: Start isEmpty. Operand 134929 states and 604573 transitions. [2019-12-28 03:26:41,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-12-28 03:26:41,723 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:26:41,724 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 03:26:41,724 INFO L410 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 03:26:41,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:26:41,724 INFO L82 PathProgramCache]: Analyzing trace with hash -1647505986, now seen corresponding path program 1 times [2019-12-28 03:26:41,725 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:26:41,725 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395775644] [2019-12-28 03:26:41,725 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:26:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:26:41,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 03:26:41,862 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [395775644] [2019-12-28 03:26:41,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:26:41,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 03:26:41,863 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [894255381] [2019-12-28 03:26:41,863 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:26:41,872 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:26:41,885 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 67 states and 66 transitions. [2019-12-28 03:26:41,885 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:26:41,885 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 03:26:41,886 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-28 03:26:41,886 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:26:41,886 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-28 03:26:41,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-28 03:26:41,887 INFO L87 Difference]: Start difference. First operand 134929 states and 604573 transitions. Second operand 6 states. [2019-12-28 03:26:44,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:26:44,405 INFO L93 Difference]: Finished difference Result 185113 states and 812727 transitions. [2019-12-28 03:26:44,405 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-28 03:26:44,406 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 66 [2019-12-28 03:26:44,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:26:46,772 INFO L225 Difference]: With dead ends: 185113 [2019-12-28 03:26:46,772 INFO L226 Difference]: Without dead ends: 183913 [2019-12-28 03:26:46,773 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-12-28 03:26:47,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183913 states. [2019-12-28 03:26:57,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183913 to 160429. [2019-12-28 03:26:57,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160429 states. [2019-12-28 03:26:57,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160429 states to 160429 states and 711514 transitions. [2019-12-28 03:26:57,665 INFO L78 Accepts]: Start accepts. Automaton has 160429 states and 711514 transitions. Word has length 66 [2019-12-28 03:26:57,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 03:26:57,665 INFO L462 AbstractCegarLoop]: Abstraction has 160429 states and 711514 transitions. [2019-12-28 03:26:57,665 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-28 03:26:57,666 INFO L276 IsEmpty]: Start isEmpty. Operand 160429 states and 711514 transitions. [2019-12-28 03:26:57,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-28 03:26:57,767 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:26:57,768 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 03:26:57,768 INFO L410 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 03:26:57,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:26:57,768 INFO L82 PathProgramCache]: Analyzing trace with hash -1697234032, now seen corresponding path program 1 times [2019-12-28 03:26:57,769 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:26:57,769 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [27488380] [2019-12-28 03:26:57,769 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:26:57,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:26:57,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 03:26:57,817 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [27488380] [2019-12-28 03:26:57,817 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:26:57,817 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-28 03:26:57,817 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [487763740] [2019-12-28 03:26:57,817 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:26:57,830 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:26:58,900 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 69 states and 68 transitions. [2019-12-28 03:26:58,900 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:26:58,901 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 03:26:58,901 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-28 03:26:58,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:26:58,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-28 03:26:58,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-28 03:26:58,902 INFO L87 Difference]: Start difference. First operand 160429 states and 711514 transitions. Second operand 3 states. [2019-12-28 03:27:00,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:27:00,120 INFO L93 Difference]: Finished difference Result 202237 states and 884074 transitions. [2019-12-28 03:27:00,121 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-28 03:27:00,121 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-12-28 03:27:00,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:27:07,570 INFO L225 Difference]: With dead ends: 202237 [2019-12-28 03:27:07,571 INFO L226 Difference]: Without dead ends: 202237 [2019-12-28 03:27:07,571 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-28 03:27:08,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202237 states. [2019-12-28 03:27:11,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202237 to 176149. [2019-12-28 03:27:11,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176149 states. [2019-12-28 03:27:13,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176149 states to 176149 states and 777056 transitions. [2019-12-28 03:27:13,182 INFO L78 Accepts]: Start accepts. Automaton has 176149 states and 777056 transitions. Word has length 68 [2019-12-28 03:27:13,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 03:27:13,183 INFO L462 AbstractCegarLoop]: Abstraction has 176149 states and 777056 transitions. [2019-12-28 03:27:13,183 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-28 03:27:13,183 INFO L276 IsEmpty]: Start isEmpty. Operand 176149 states and 777056 transitions. [2019-12-28 03:27:13,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-12-28 03:27:13,360 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:27:13,360 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 03:27:13,360 INFO L410 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 03:27:13,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:27:13,361 INFO L82 PathProgramCache]: Analyzing trace with hash 865455602, now seen corresponding path program 1 times [2019-12-28 03:27:13,361 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:27:13,362 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94675591] [2019-12-28 03:27:13,362 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:27:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:27:13,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 03:27:13,493 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94675591] [2019-12-28 03:27:13,494 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:27:13,494 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 03:27:13,494 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [574489028] [2019-12-28 03:27:13,494 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:27:13,507 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:27:13,525 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 73 states and 72 transitions. [2019-12-28 03:27:13,525 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:27:13,526 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 03:27:13,526 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 03:27:13,526 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:27:13,527 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 03:27:13,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-28 03:27:13,527 INFO L87 Difference]: Start difference. First operand 176149 states and 777056 transitions. Second operand 7 states. [2019-12-28 03:27:21,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:27:21,295 INFO L93 Difference]: Finished difference Result 224101 states and 971732 transitions. [2019-12-28 03:27:21,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-28 03:27:21,296 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 72 [2019-12-28 03:27:21,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:27:22,855 INFO L225 Difference]: With dead ends: 224101 [2019-12-28 03:27:22,856 INFO L226 Difference]: Without dead ends: 222901 [2019-12-28 03:27:22,856 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2019-12-28 03:27:23,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222901 states. [2019-12-28 03:27:27,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222901 to 180725. [2019-12-28 03:27:27,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180725 states. [2019-12-28 03:27:29,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180725 states to 180725 states and 796148 transitions. [2019-12-28 03:27:29,145 INFO L78 Accepts]: Start accepts. Automaton has 180725 states and 796148 transitions. Word has length 72 [2019-12-28 03:27:29,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 03:27:29,145 INFO L462 AbstractCegarLoop]: Abstraction has 180725 states and 796148 transitions. [2019-12-28 03:27:29,145 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 03:27:29,146 INFO L276 IsEmpty]: Start isEmpty. Operand 180725 states and 796148 transitions. [2019-12-28 03:27:29,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2019-12-28 03:27:29,305 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:27:29,305 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 03:27:29,305 INFO L410 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 03:27:29,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:27:29,305 INFO L82 PathProgramCache]: Analyzing trace with hash 1065266562, now seen corresponding path program 1 times [2019-12-28 03:27:29,306 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:27:29,306 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712431437] [2019-12-28 03:27:29,306 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:27:29,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:27:29,409 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 03:27:29,410 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712431437] [2019-12-28 03:27:29,410 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:27:29,410 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 03:27:29,411 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1928552160] [2019-12-28 03:27:29,411 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:27:29,428 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:27:29,464 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 116 states and 157 transitions. [2019-12-28 03:27:29,465 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:27:29,465 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 03:27:29,466 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 03:27:29,466 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:27:29,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 03:27:29,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-28 03:27:29,466 INFO L87 Difference]: Start difference. First operand 180725 states and 796148 transitions. Second operand 7 states. [2019-12-28 03:27:37,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:27:37,752 INFO L93 Difference]: Finished difference Result 220861 states and 957730 transitions. [2019-12-28 03:27:37,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-28 03:27:37,752 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2019-12-28 03:27:37,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:27:38,534 INFO L225 Difference]: With dead ends: 220861 [2019-12-28 03:27:38,534 INFO L226 Difference]: Without dead ends: 219861 [2019-12-28 03:27:38,535 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2019-12-28 03:27:40,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219861 states. [2019-12-28 03:27:44,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219861 to 184237. [2019-12-28 03:27:44,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184237 states. [2019-12-28 03:27:46,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184237 states to 184237 states and 810266 transitions. [2019-12-28 03:27:46,478 INFO L78 Accepts]: Start accepts. Automaton has 184237 states and 810266 transitions. Word has length 73 [2019-12-28 03:27:46,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 03:27:46,478 INFO L462 AbstractCegarLoop]: Abstraction has 184237 states and 810266 transitions. [2019-12-28 03:27:46,479 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 03:27:46,479 INFO L276 IsEmpty]: Start isEmpty. Operand 184237 states and 810266 transitions. [2019-12-28 03:27:46,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-28 03:27:46,674 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:27:46,675 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 03:27:46,675 INFO L410 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 03:27:46,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:27:46,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1937054117, now seen corresponding path program 1 times [2019-12-28 03:27:46,676 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:27:46,676 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [358674480] [2019-12-28 03:27:46,676 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:27:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:27:46,809 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 03:27:46,810 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [358674480] [2019-12-28 03:27:46,810 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:27:46,810 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 03:27:46,814 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1321419603] [2019-12-28 03:27:46,814 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:27:46,828 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:27:46,847 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 78 states and 79 transitions. [2019-12-28 03:27:46,847 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:27:46,906 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 2 times. [2019-12-28 03:27:46,907 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-28 03:27:46,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:27:46,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-28 03:27:46,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2019-12-28 03:27:46,908 INFO L87 Difference]: Start difference. First operand 184237 states and 810266 transitions. Second operand 8 states. [2019-12-28 03:27:56,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:27:56,374 INFO L93 Difference]: Finished difference Result 262765 states and 1148126 transitions. [2019-12-28 03:27:56,374 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-28 03:27:56,374 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 75 [2019-12-28 03:27:56,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:27:57,528 INFO L225 Difference]: With dead ends: 262765 [2019-12-28 03:27:57,528 INFO L226 Difference]: Without dead ends: 260189 [2019-12-28 03:27:57,528 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-12-28 03:27:59,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260189 states. [2019-12-28 03:28:04,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260189 to 224437. [2019-12-28 03:28:04,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224437 states. [2019-12-28 03:28:05,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224437 states to 224437 states and 986536 transitions. [2019-12-28 03:28:05,586 INFO L78 Accepts]: Start accepts. Automaton has 224437 states and 986536 transitions. Word has length 75 [2019-12-28 03:28:05,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 03:28:05,586 INFO L462 AbstractCegarLoop]: Abstraction has 224437 states and 986536 transitions. [2019-12-28 03:28:05,586 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-28 03:28:05,586 INFO L276 IsEmpty]: Start isEmpty. Operand 224437 states and 986536 transitions. [2019-12-28 03:28:11,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-28 03:28:11,883 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 03:28:11,884 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 03:28:11,884 INFO L410 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 03:28:11,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 03:28:11,884 INFO L82 PathProgramCache]: Analyzing trace with hash -975440100, now seen corresponding path program 1 times [2019-12-28 03:28:11,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 03:28:11,885 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565184782] [2019-12-28 03:28:11,885 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 03:28:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 03:28:12,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 03:28:12,005 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565184782] [2019-12-28 03:28:12,006 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 03:28:12,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 03:28:12,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1017619532] [2019-12-28 03:28:12,006 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 03:28:12,018 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 03:28:12,034 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 78 states and 79 transitions. [2019-12-28 03:28:12,034 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 03:28:12,063 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 2 times. [2019-12-28 03:28:12,063 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-12-28 03:28:12,063 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 03:28:12,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-12-28 03:28:12,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-12-28 03:28:12,064 INFO L87 Difference]: Start difference. First operand 224437 states and 986536 transitions. Second operand 9 states. [2019-12-28 03:28:15,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 03:28:15,389 INFO L93 Difference]: Finished difference Result 332389 states and 1421212 transitions. [2019-12-28 03:28:15,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-28 03:28:15,389 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 75 [2019-12-28 03:28:15,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 03:28:17,655 INFO L225 Difference]: With dead ends: 332389 [2019-12-28 03:28:17,656 INFO L226 Difference]: Without dead ends: 332389 [2019-12-28 03:28:17,656 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2019-12-28 03:28:18,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332389 states. Received shutdown request... [2019-12-28 03:28:31,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332389 to 304585. [2019-12-28 03:28:31,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304585 states. [2019-12-28 03:28:31,361 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-28 03:28:31,365 WARN L227 ceAbstractionStarter]: Timeout [2019-12-28 03:28:31,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.12 03:28:31 BasicIcfg [2019-12-28 03:28:31,366 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-28 03:28:31,368 INFO L168 Benchmark]: Toolchain (without parser) took 181913.03 ms. Allocated memory was 137.4 MB in the beginning and 5.3 GB in the end (delta: 5.1 GB). Free memory was 100.3 MB in the beginning and 2.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 3.4 GB. Max. memory is 7.1 GB. [2019-12-28 03:28:31,369 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-12-28 03:28:31,369 INFO L168 Benchmark]: CACSL2BoogieTranslator took 800.21 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 99.9 MB in the beginning and 155.3 MB in the end (delta: -55.4 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2019-12-28 03:28:31,370 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.39 ms. Allocated memory is still 201.3 MB. Free memory was 155.3 MB in the beginning and 151.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-12-28 03:28:31,371 INFO L168 Benchmark]: Boogie Preprocessor took 40.32 ms. Allocated memory is still 201.3 MB. Free memory was 151.9 MB in the beginning and 149.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-28 03:28:31,371 INFO L168 Benchmark]: RCFGBuilder took 834.18 ms. Allocated memory is still 201.3 MB. Free memory was 149.9 MB in the beginning and 103.3 MB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 7.1 GB. [2019-12-28 03:28:31,372 INFO L168 Benchmark]: TraceAbstraction took 180162.73 ms. Allocated memory was 201.3 MB in the beginning and 5.3 GB in the end (delta: 5.1 GB). Free memory was 102.6 MB in the beginning and 2.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 3.3 GB. Max. memory is 7.1 GB. [2019-12-28 03:28:31,376 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 137.4 MB. Free memory was 120.6 MB in the beginning and 120.3 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 800.21 ms. Allocated memory was 137.4 MB in the beginning and 201.3 MB in the end (delta: 64.0 MB). Free memory was 99.9 MB in the beginning and 155.3 MB in the end (delta: -55.4 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 70.39 ms. Allocated memory is still 201.3 MB. Free memory was 155.3 MB in the beginning and 151.9 MB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 40.32 ms. Allocated memory is still 201.3 MB. Free memory was 151.9 MB in the beginning and 149.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 834.18 ms. Allocated memory is still 201.3 MB. Free memory was 149.9 MB in the beginning and 103.3 MB in the end (delta: 46.6 MB). Peak memory consumption was 46.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 180162.73 ms. Allocated memory was 201.3 MB in the beginning and 5.3 GB in the end (delta: 5.1 GB). Free memory was 102.6 MB in the beginning and 2.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 3.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 4]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 4). Cancelled while ReachableStatesComputation was computing reachable states (1 states constructedinput type DoubleDeckerAutomaton). - TimeoutResultAtElement [Line: 4]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 4). Cancelled while ReachableStatesComputation was computing reachable states (1 states constructedinput type DoubleDeckerAutomaton). - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 153 locations, 2 error locations. Result: TIMEOUT, OverallTime: 180.0s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 63.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3413 SDtfs, 4874 SDslu, 8651 SDs, 0 SdLazy, 3765 SolverSat, 303 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 131 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=224437occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 91.8s AutomataMinimizationTime, 10 MinimizatonAttempts, 238876 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 635 NumberOfCodeBlocks, 635 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 625 ConstructedInterpolants, 0 QuantifiedInterpolants, 91511 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown