/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/mix046_power.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-28 02:46:49,193 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-28 02:46:49,196 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-28 02:46:49,208 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-28 02:46:49,208 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-28 02:46:49,209 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-28 02:46:49,211 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-28 02:46:49,213 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-28 02:46:49,214 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-28 02:46:49,215 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-28 02:46:49,216 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-28 02:46:49,218 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-28 02:46:49,218 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-28 02:46:49,223 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-28 02:46:49,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-28 02:46:49,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-28 02:46:49,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-28 02:46:49,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-28 02:46:49,231 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-28 02:46:49,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-28 02:46:49,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-28 02:46:49,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-28 02:46:49,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-28 02:46:49,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-28 02:46:49,248 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-28 02:46:49,250 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-28 02:46:49,250 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-28 02:46:49,251 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-28 02:46:49,252 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-28 02:46:49,252 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-28 02:46:49,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-28 02:46:49,253 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-28 02:46:49,254 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-28 02:46:49,255 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-28 02:46:49,256 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-28 02:46:49,256 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-28 02:46:49,258 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-28 02:46:49,258 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-28 02:46:49,258 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-28 02:46:49,259 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-28 02:46:49,260 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-28 02:46:49,261 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 02:46:49,282 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-28 02:46:49,282 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-28 02:46:49,284 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-28 02:46:49,284 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-28 02:46:49,284 INFO L138 SettingsManager]: * Use SBE=true [2019-12-28 02:46:49,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-28 02:46:49,285 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-28 02:46:49,285 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-28 02:46:49,285 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-28 02:46:49,285 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-28 02:46:49,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-28 02:46:49,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-28 02:46:49,287 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-28 02:46:49,287 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-28 02:46:49,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-28 02:46:49,288 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-28 02:46:49,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-28 02:46:49,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-28 02:46:49,288 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-28 02:46:49,289 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-28 02:46:49,289 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-28 02:46:49,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 02:46:49,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-28 02:46:49,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-28 02:46:49,289 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-28 02:46:49,290 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-28 02:46:49,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-28 02:46:49,290 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-28 02:46:49,290 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-28 02:46:49,290 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-28 02:46:49,291 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-28 02:46:49,292 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-28 02:46:49,569 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-28 02:46:49,593 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-28 02:46:49,600 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-28 02:46:49,602 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-28 02:46:49,603 INFO L275 PluginConnector]: CDTParser initialized [2019-12-28 02:46:49,604 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix046_power.opt.i [2019-12-28 02:46:49,677 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e48982e46/8ce986179cda410a8a28cdee79808e7a/FLAG9556ad721 [2019-12-28 02:46:50,194 INFO L306 CDTParser]: Found 1 translation units. [2019-12-28 02:46:50,195 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix046_power.opt.i [2019-12-28 02:46:50,222 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e48982e46/8ce986179cda410a8a28cdee79808e7a/FLAG9556ad721 [2019-12-28 02:46:50,437 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e48982e46/8ce986179cda410a8a28cdee79808e7a [2019-12-28 02:46:50,446 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-28 02:46:50,448 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-28 02:46:50,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-28 02:46:50,450 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-28 02:46:50,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-28 02:46:50,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:46:50" (1/1) ... [2019-12-28 02:46:50,457 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9bbfc54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:46:50, skipping insertion in model container [2019-12-28 02:46:50,458 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:46:50" (1/1) ... [2019-12-28 02:46:50,466 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-28 02:46:50,522 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-28 02:46:51,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 02:46:51,074 INFO L203 MainTranslator]: Completed pre-run [2019-12-28 02:46:51,153 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 02:46:51,233 INFO L208 MainTranslator]: Completed translation [2019-12-28 02:46:51,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:46:51 WrapperNode [2019-12-28 02:46:51,234 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-28 02:46:51,235 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-28 02:46:51,235 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-28 02:46:51,235 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-28 02:46:51,245 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:46:51" (1/1) ... [2019-12-28 02:46:51,266 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:46:51" (1/1) ... [2019-12-28 02:46:51,311 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-28 02:46:51,311 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-28 02:46:51,311 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-28 02:46:51,311 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-28 02:46:51,322 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:46:51" (1/1) ... [2019-12-28 02:46:51,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:46:51" (1/1) ... [2019-12-28 02:46:51,328 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:46:51" (1/1) ... [2019-12-28 02:46:51,328 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:46:51" (1/1) ... [2019-12-28 02:46:51,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:46:51" (1/1) ... [2019-12-28 02:46:51,347 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:46:51" (1/1) ... [2019-12-28 02:46:51,356 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:46:51" (1/1) ... [2019-12-28 02:46:51,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-28 02:46:51,368 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-28 02:46:51,368 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-28 02:46:51,368 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-28 02:46:51,369 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:46:51" (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 02:46:51,465 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-28 02:46:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-28 02:46:51,466 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-28 02:46:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-28 02:46:51,467 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-28 02:46:51,468 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-28 02:46:51,468 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-28 02:46:51,469 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-28 02:46:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-28 02:46:51,469 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-28 02:46:51,469 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-12-28 02:46:51,469 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-12-28 02:46:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-28 02:46:51,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-28 02:46:51,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-28 02:46:51,472 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 02:46:52,447 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-28 02:46:52,448 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-28 02:46:52,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 02:46:52 BoogieIcfgContainer [2019-12-28 02:46:52,450 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-28 02:46:52,451 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-28 02:46:52,451 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-28 02:46:52,455 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-28 02:46:52,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 02:46:50" (1/3) ... [2019-12-28 02:46:52,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53c9f3fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 02:46:52, skipping insertion in model container [2019-12-28 02:46:52,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:46:51" (2/3) ... [2019-12-28 02:46:52,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53c9f3fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 02:46:52, skipping insertion in model container [2019-12-28 02:46:52,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 02:46:52" (3/3) ... [2019-12-28 02:46:52,459 INFO L109 eAbstractionObserver]: Analyzing ICFG mix046_power.opt.i [2019-12-28 02:46:52,470 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-28 02:46:52,470 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-28 02:46:52,478 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-28 02:46:52,479 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-28 02:46:52,518 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,519 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,519 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,520 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,520 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,520 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,521 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,521 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,521 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,521 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,522 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,522 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,523 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,523 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,523 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,523 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,524 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,524 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,524 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,524 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,525 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,525 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,525 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,526 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,526 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,526 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,527 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,527 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,527 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,527 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,528 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,528 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,528 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,528 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,529 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,529 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,529 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,530 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,530 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,530 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,530 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,531 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,531 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,532 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,532 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,532 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,532 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,533 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,533 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,533 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,534 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,534 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,534 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,535 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,535 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,535 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,535 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,536 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,536 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,536 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,536 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,537 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,537 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,537 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,538 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,538 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,538 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,538 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,539 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,539 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,539 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,539 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,540 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,556 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,561 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,561 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,569 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,570 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,570 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,570 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,573 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,573 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,574 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,574 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,578 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,578 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,578 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,578 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,579 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,579 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,579 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,579 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,579 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,579 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork2_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,584 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,585 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,585 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,585 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,585 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,585 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,586 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,586 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,586 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,586 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,586 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,587 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork3_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:46:52,602 INFO L249 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2019-12-28 02:46:52,622 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 02:46:52,622 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 02:46:52,622 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 02:46:52,623 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 02:46:52,623 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 02:46:52,623 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 02:46:52,623 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 02:46:52,623 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 02:46:52,639 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 181 places, 209 transitions [2019-12-28 02:50:06,686 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 380023 states. [2019-12-28 02:50:06,688 INFO L276 IsEmpty]: Start isEmpty. Operand 380023 states. [2019-12-28 02:50:06,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-28 02:50:06,709 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 02:50:06,710 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] [2019-12-28 02:50:06,711 INFO L410 AbstractCegarLoop]: === Iteration 1 === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 02:50:06,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 02:50:06,716 INFO L82 PathProgramCache]: Analyzing trace with hash -1335710969, now seen corresponding path program 1 times [2019-12-28 02:50:06,728 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 02:50:06,729 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [351538457] [2019-12-28 02:50:06,729 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 02:50:06,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 02:50:07,123 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 02:50:07,124 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [351538457] [2019-12-28 02:50:07,126 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 02:50:07,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-28 02:50:07,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1941372122] [2019-12-28 02:50:07,130 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 02:50:07,143 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 02:50:07,186 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 55 states and 54 transitions. [2019-12-28 02:50:07,187 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 02:50:07,193 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 02:50:07,193 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-28 02:50:07,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 02:50:07,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-28 02:50:07,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-28 02:50:07,213 INFO L87 Difference]: Start difference. First operand 380023 states. Second operand 4 states. [2019-12-28 02:50:25,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 02:50:25,117 INFO L93 Difference]: Finished difference Result 396279 states and 2138291 transitions. [2019-12-28 02:50:25,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-28 02:50:25,119 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2019-12-28 02:50:25,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 02:50:27,517 INFO L225 Difference]: With dead ends: 396279 [2019-12-28 02:50:27,517 INFO L226 Difference]: Without dead ends: 344055 [2019-12-28 02:50:27,519 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 02:50:34,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344055 states. Received shutdown request...