/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-VariableLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix033_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 20:56:08,225 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 20:56:08,229 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 20:56:08,247 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 20:56:08,247 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 20:56:08,249 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 20:56:08,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 20:56:08,260 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 20:56:08,264 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 20:56:08,266 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 20:56:08,268 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 20:56:08,270 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 20:56:08,270 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 20:56:08,271 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 20:56:08,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 20:56:08,275 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 20:56:08,276 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 20:56:08,277 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 20:56:08,278 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 20:56:08,282 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 20:56:08,286 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 20:56:08,288 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 20:56:08,289 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 20:56:08,290 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 20:56:08,292 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 20:56:08,292 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 20:56:08,292 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 20:56:08,293 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 20:56:08,293 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 20:56:08,294 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 20:56:08,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 20:56:08,295 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 20:56:08,296 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 20:56:08,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 20:56:08,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 20:56:08,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 20:56:08,298 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 20:56:08,298 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 20:56:08,298 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 20:56:08,299 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 20:56:08,300 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 20:56:08,300 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-VariableLbe-MCR.epf [2019-12-27 20:56:08,316 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 20:56:08,316 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 20:56:08,317 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 20:56:08,317 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 20:56:08,317 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 20:56:08,318 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 20:56:08,318 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 20:56:08,318 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 20:56:08,318 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 20:56:08,318 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 20:56:08,319 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 20:56:08,319 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 20:56:08,319 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 20:56:08,319 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 20:56:08,319 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 20:56:08,319 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 20:56:08,320 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 20:56:08,320 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 20:56:08,320 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 20:56:08,320 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 20:56:08,320 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 20:56:08,321 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 20:56:08,321 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 20:56:08,321 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 20:56:08,321 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 20:56:08,321 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 20:56:08,322 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 20:56:08,322 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-27 20:56:08,322 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=VARIABLE_BASED_MOVER_CHECK [2019-12-27 20:56:08,322 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 20:56:08,322 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-27 20:56:08,323 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 20:56:08,620 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 20:56:08,633 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 20:56:08,637 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 20:56:08,638 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 20:56:08,640 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 20:56:08,640 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix033_power.oepc.i [2019-12-27 20:56:08,707 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40304a99a/14fda2bbf4a94429978f545df900c9a6/FLAGa13e54aa6 [2019-12-27 20:56:09,285 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 20:56:09,288 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix033_power.oepc.i [2019-12-27 20:56:09,306 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40304a99a/14fda2bbf4a94429978f545df900c9a6/FLAGa13e54aa6 [2019-12-27 20:56:09,564 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40304a99a/14fda2bbf4a94429978f545df900c9a6 [2019-12-27 20:56:09,574 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 20:56:09,576 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 20:56:09,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 20:56:09,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 20:56:09,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 20:56:09,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 08:56:09" (1/1) ... [2019-12-27 20:56:09,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e400b9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:56:09, skipping insertion in model container [2019-12-27 20:56:09,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 08:56:09" (1/1) ... [2019-12-27 20:56:09,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 20:56:09,635 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 20:56:10,192 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 20:56:10,203 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 20:56:10,280 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 20:56:10,363 INFO L208 MainTranslator]: Completed translation [2019-12-27 20:56:10,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:56:10 WrapperNode [2019-12-27 20:56:10,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 20:56:10,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 20:56:10,364 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 20:56:10,364 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 20:56:10,373 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:56:10" (1/1) ... [2019-12-27 20:56:10,401 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:56:10" (1/1) ... [2019-12-27 20:56:10,444 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 20:56:10,445 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 20:56:10,445 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 20:56:10,445 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 20:56:10,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:56:10" (1/1) ... [2019-12-27 20:56:10,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:56:10" (1/1) ... [2019-12-27 20:56:10,464 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:56:10" (1/1) ... [2019-12-27 20:56:10,465 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:56:10" (1/1) ... [2019-12-27 20:56:10,476 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:56:10" (1/1) ... [2019-12-27 20:56:10,480 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:56:10" (1/1) ... [2019-12-27 20:56:10,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:56:10" (1/1) ... [2019-12-27 20:56:10,489 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 20:56:10,490 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 20:56:10,490 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 20:56:10,490 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 20:56:10,491 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:56:10" (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 [2019-12-27 20:56:10,585 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 20:56:10,586 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-27 20:56:10,587 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 20:56:10,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 20:56:10,587 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-27 20:56:10,588 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-27 20:56:10,588 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-27 20:56:10,588 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-27 20:56:10,588 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-27 20:56:10,588 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-27 20:56:10,588 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-27 20:56:10,589 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 20:56:10,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 20:56:10,592 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 20:56:11,359 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 20:56:11,360 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-27 20:56:11,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 08:56:11 BoogieIcfgContainer [2019-12-27 20:56:11,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 20:56:11,363 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 20:56:11,363 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 20:56:11,366 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 20:56:11,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 08:56:09" (1/3) ... [2019-12-27 20:56:11,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368e684a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 08:56:11, skipping insertion in model container [2019-12-27 20:56:11,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 08:56:10" (2/3) ... [2019-12-27 20:56:11,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@368e684a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 08:56:11, skipping insertion in model container [2019-12-27 20:56:11,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 08:56:11" (3/3) ... [2019-12-27 20:56:11,371 INFO L109 eAbstractionObserver]: Analyzing ICFG mix033_power.oepc.i [2019-12-27 20:56:11,381 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 20:56:11,381 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 20:56:11,390 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-27 20:56:11,391 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 20:56:11,454 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,454 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,454 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,454 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,455 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,455 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,455 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,456 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,456 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,457 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,458 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,458 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,458 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,458 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,459 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,459 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,459 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,459 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,460 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,460 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,460 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,460 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,461 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,461 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,461 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,461 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,463 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,464 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,464 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,465 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,465 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,465 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,466 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,466 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,468 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,468 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,469 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,470 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,471 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,471 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,472 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,472 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,472 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,472 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,473 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,473 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,473 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,473 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,474 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,474 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,474 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,475 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,476 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,476 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,476 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,476 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,477 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,477 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,477 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,478 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,478 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,478 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,479 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,479 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,504 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,505 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,505 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,505 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,505 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,505 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,506 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,506 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,506 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,507 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,507 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,507 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,507 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,508 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,508 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,509 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,509 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,509 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,510 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,510 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,511 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,511 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,511 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,511 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,511 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,512 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,512 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,512 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,512 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,512 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,513 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,513 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,513 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,513 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,513 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,515 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,518 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,518 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,519 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,519 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,525 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,525 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,525 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,526 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,526 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,526 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,526 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,527 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,527 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,527 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,527 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,527 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,528 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,528 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,528 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,528 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,528 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,529 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,529 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,529 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,529 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,529 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,530 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,530 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,530 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,530 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,530 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,531 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,531 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,531 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,531 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,531 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,532 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,532 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,532 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,532 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,532 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,533 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,533 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,533 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,533 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,533 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,534 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,534 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,534 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,534 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,534 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,535 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,535 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,535 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,535 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,535 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,535 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,536 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,536 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,536 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,536 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,536 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,537 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,537 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,537 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,537 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,537 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,538 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,538 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,538 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,538 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,538 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,539 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,539 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,539 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,539 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,539 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,540 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,540 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,540 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,540 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,540 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,544 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,544 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,545 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,545 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,545 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,545 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,545 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,546 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,546 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,546 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,546 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,546 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,546 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,547 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,547 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,547 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,547 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,547 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,548 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,548 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,548 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,548 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,548 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,548 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,549 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,549 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,549 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,549 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,549 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,550 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,550 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,550 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,550 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,554 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,554 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,554 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,554 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,554 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,555 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,555 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,555 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,555 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,555 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,556 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,556 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,558 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,558 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,558 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,559 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,559 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,559 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,559 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,559 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,559 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,560 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 20:56:11,575 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-27 20:56:11,596 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 20:56:11,596 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 20:56:11,596 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 20:56:11,597 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 20:56:11,597 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 20:56:11,597 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 20:56:11,597 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 20:56:11,597 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 20:56:11,613 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 179 places, 216 transitions [2019-12-27 20:56:11,615 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 179 places, 216 transitions [2019-12-27 20:56:11,724 INFO L132 PetriNetUnfolder]: 47/213 cut-off events. [2019-12-27 20:56:11,724 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 20:56:11,742 INFO L76 FinitePrefix]: Finished finitePrefix Result has 223 conditions, 213 events. 47/213 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 431 event pairs. 0/164 useless extension candidates. Maximal degree in co-relation 179. Up to 2 conditions per place. [2019-12-27 20:56:11,768 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 179 places, 216 transitions [2019-12-27 20:56:11,822 INFO L132 PetriNetUnfolder]: 47/213 cut-off events. [2019-12-27 20:56:11,823 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 20:56:11,832 INFO L76 FinitePrefix]: Finished finitePrefix Result has 223 conditions, 213 events. 47/213 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 431 event pairs. 0/164 useless extension candidates. Maximal degree in co-relation 179. Up to 2 conditions per place. [2019-12-27 20:56:11,854 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 19004 [2019-12-27 20:56:11,855 INFO L182 etLargeBlockEncoding]: Variable Check. [2019-12-27 20:56:15,332 WARN L192 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2019-12-27 20:56:15,526 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2019-12-27 20:56:15,615 INFO L206 etLargeBlockEncoding]: Checked pairs total: 81109 [2019-12-27 20:56:15,616 INFO L214 etLargeBlockEncoding]: Total number of compositions: 119 [2019-12-27 20:56:15,620 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 93 places, 102 transitions [2019-12-27 20:56:31,606 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 109594 states. [2019-12-27 20:56:31,608 INFO L276 IsEmpty]: Start isEmpty. Operand 109594 states. [2019-12-27 20:56:31,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-27 20:56:31,614 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 20:56:31,615 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-12-27 20:56:31,615 INFO L410 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 20:56:31,621 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 20:56:31,621 INFO L82 PathProgramCache]: Analyzing trace with hash 924702, now seen corresponding path program 1 times [2019-12-27 20:56:31,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 20:56:31,631 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482907324] [2019-12-27 20:56:31,632 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 20:56:31,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 20:56:31,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 20:56:31,864 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482907324] [2019-12-27 20:56:31,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 20:56:31,865 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 20:56:31,866 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1463157474] [2019-12-27 20:56:31,867 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 20:56:31,872 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 20:56:31,884 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 4 states and 3 transitions. [2019-12-27 20:56:31,884 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 20:56:31,888 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 20:56:31,888 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 20:56:31,889 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 20:56:31,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 20:56:31,904 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 20:56:31,906 INFO L87 Difference]: Start difference. First operand 109594 states. Second operand 3 states. [2019-12-27 20:56:33,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 20:56:33,728 INFO L93 Difference]: Finished difference Result 108584 states and 463030 transitions. [2019-12-27 20:56:33,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 20:56:33,730 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-12-27 20:56:33,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 20:56:34,407 INFO L225 Difference]: With dead ends: 108584 [2019-12-27 20:56:34,407 INFO L226 Difference]: Without dead ends: 102344 [2019-12-27 20:56:34,417 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 20:56:42,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102344 states. [2019-12-27 20:56:45,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102344 to 102344. [2019-12-27 20:56:45,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102344 states. [2019-12-27 20:56:45,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102344 states to 102344 states and 435834 transitions. [2019-12-27 20:56:45,539 INFO L78 Accepts]: Start accepts. Automaton has 102344 states and 435834 transitions. Word has length 3 [2019-12-27 20:56:45,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 20:56:45,539 INFO L462 AbstractCegarLoop]: Abstraction has 102344 states and 435834 transitions. [2019-12-27 20:56:45,539 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 20:56:45,539 INFO L276 IsEmpty]: Start isEmpty. Operand 102344 states and 435834 transitions. [2019-12-27 20:56:45,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-27 20:56:45,542 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 20:56:45,542 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 20:56:45,543 INFO L410 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 20:56:45,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 20:56:45,543 INFO L82 PathProgramCache]: Analyzing trace with hash 2092139601, now seen corresponding path program 1 times [2019-12-27 20:56:45,544 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 20:56:45,544 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1830319871] [2019-12-27 20:56:45,544 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 20:56:45,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 20:56:45,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 20:56:45,634 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1830319871] [2019-12-27 20:56:45,634 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 20:56:45,635 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 20:56:45,635 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1338308651] [2019-12-27 20:56:45,635 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 20:56:45,636 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 20:56:45,640 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 12 states and 11 transitions. [2019-12-27 20:56:45,640 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 20:56:45,640 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 20:56:45,642 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 20:56:45,642 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 20:56:45,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 20:56:45,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 20:56:45,643 INFO L87 Difference]: Start difference. First operand 102344 states and 435834 transitions. Second operand 4 states. [2019-12-27 20:56:50,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 20:56:50,733 INFO L93 Difference]: Finished difference Result 162816 states and 664963 transitions. [2019-12-27 20:56:50,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 20:56:50,734 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-27 20:56:50,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 20:56:51,285 INFO L225 Difference]: With dead ends: 162816 [2019-12-27 20:56:51,286 INFO L226 Difference]: Without dead ends: 162767 [2019-12-27 20:56:51,286 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 20:56:56,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162767 states. [2019-12-27 20:57:00,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162767 to 148375. [2019-12-27 20:57:00,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148375 states. [2019-12-27 20:57:00,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148375 states to 148375 states and 613985 transitions. [2019-12-27 20:57:00,938 INFO L78 Accepts]: Start accepts. Automaton has 148375 states and 613985 transitions. Word has length 11 [2019-12-27 20:57:00,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 20:57:00,938 INFO L462 AbstractCegarLoop]: Abstraction has 148375 states and 613985 transitions. [2019-12-27 20:57:00,938 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 20:57:00,939 INFO L276 IsEmpty]: Start isEmpty. Operand 148375 states and 613985 transitions. [2019-12-27 20:57:00,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-27 20:57:00,946 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 20:57:00,946 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 20:57:00,946 INFO L410 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 20:57:00,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 20:57:00,946 INFO L82 PathProgramCache]: Analyzing trace with hash -2022218579, now seen corresponding path program 1 times [2019-12-27 20:57:00,947 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 20:57:00,947 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [552861958] [2019-12-27 20:57:00,947 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 20:57:00,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 20:57:01,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 20:57:01,038 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [552861958] [2019-12-27 20:57:01,039 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 20:57:01,039 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 20:57:01,039 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [2105183296] [2019-12-27 20:57:01,039 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 20:57:01,040 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 20:57:01,042 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 14 states and 13 transitions. [2019-12-27 20:57:01,042 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 20:57:01,043 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 20:57:01,043 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 20:57:01,043 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 20:57:01,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 20:57:01,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 20:57:01,044 INFO L87 Difference]: Start difference. First operand 148375 states and 613985 transitions. Second operand 4 states. [2019-12-27 20:57:07,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 20:57:07,134 INFO L93 Difference]: Finished difference Result 208037 states and 841937 transitions. [2019-12-27 20:57:07,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 20:57:07,134 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-12-27 20:57:07,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 20:57:08,267 INFO L225 Difference]: With dead ends: 208037 [2019-12-27 20:57:08,268 INFO L226 Difference]: Without dead ends: 207981 [2019-12-27 20:57:08,268 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 20:57:14,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207981 states. [2019-12-27 20:57:21,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207981 to 175449. [2019-12-27 20:57:21,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175449 states. [2019-12-27 20:57:22,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175449 states to 175449 states and 722246 transitions. [2019-12-27 20:57:22,966 INFO L78 Accepts]: Start accepts. Automaton has 175449 states and 722246 transitions. Word has length 13 [2019-12-27 20:57:22,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 20:57:22,967 INFO L462 AbstractCegarLoop]: Abstraction has 175449 states and 722246 transitions. [2019-12-27 20:57:22,967 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 20:57:22,967 INFO L276 IsEmpty]: Start isEmpty. Operand 175449 states and 722246 transitions. [2019-12-27 20:57:22,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-27 20:57:22,977 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 20:57:22,977 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 20:57:22,977 INFO L410 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 20:57:22,978 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 20:57:22,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1339747598, now seen corresponding path program 1 times [2019-12-27 20:57:22,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 20:57:22,979 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919444307] [2019-12-27 20:57:22,979 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 20:57:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 20:57:23,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 20:57:23,064 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919444307] [2019-12-27 20:57:23,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 20:57:23,064 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 20:57:23,067 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [298867224] [2019-12-27 20:57:23,068 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 20:57:23,071 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 20:57:23,073 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 17 states and 16 transitions. [2019-12-27 20:57:23,073 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 20:57:23,073 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 20:57:23,074 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 20:57:23,074 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 20:57:23,074 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 20:57:23,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 20:57:23,075 INFO L87 Difference]: Start difference. First operand 175449 states and 722246 transitions. Second operand 3 states. [2019-12-27 20:57:31,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 20:57:31,496 INFO L93 Difference]: Finished difference Result 264342 states and 1073668 transitions. [2019-12-27 20:57:31,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 20:57:31,497 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2019-12-27 20:57:31,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 20:57:32,500 INFO L225 Difference]: With dead ends: 264342 [2019-12-27 20:57:32,501 INFO L226 Difference]: Without dead ends: 264342 [2019-12-27 20:57:32,501 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 [2019-12-27 20:57:38,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264342 states. [2019-12-27 20:57:42,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264342 to 195219. [2019-12-27 20:57:42,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195219 states. [2019-12-27 20:57:43,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195219 states to 195219 states and 799392 transitions. [2019-12-27 20:57:43,672 INFO L78 Accepts]: Start accepts. Automaton has 195219 states and 799392 transitions. Word has length 16 [2019-12-27 20:57:43,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 20:57:43,672 INFO L462 AbstractCegarLoop]: Abstraction has 195219 states and 799392 transitions. [2019-12-27 20:57:43,672 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 20:57:43,672 INFO L276 IsEmpty]: Start isEmpty. Operand 195219 states and 799392 transitions. [2019-12-27 20:57:43,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-27 20:57:43,681 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 20:57:43,681 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 20:57:43,681 INFO L410 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 20:57:43,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 20:57:43,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1474909365, now seen corresponding path program 1 times [2019-12-27 20:57:43,682 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 20:57:43,682 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585360627] [2019-12-27 20:57:43,682 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 20:57:43,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 20:57:43,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 20:57:43,769 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585360627] [2019-12-27 20:57:43,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 20:57:43,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 20:57:43,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1878191681] [2019-12-27 20:57:43,771 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 20:57:43,773 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 20:57:43,775 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 17 states and 16 transitions. [2019-12-27 20:57:43,775 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 20:57:43,775 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 20:57:43,776 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 20:57:43,776 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 20:57:43,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 20:57:43,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 20:57:43,777 INFO L87 Difference]: Start difference. First operand 195219 states and 799392 transitions. Second operand 4 states. [2019-12-27 20:57:51,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 20:57:51,113 INFO L93 Difference]: Finished difference Result 230379 states and 935018 transitions. [2019-12-27 20:57:51,114 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 20:57:51,114 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2019-12-27 20:57:51,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 20:57:51,991 INFO L225 Difference]: With dead ends: 230379 [2019-12-27 20:57:51,991 INFO L226 Difference]: Without dead ends: 230379 [2019-12-27 20:57:51,991 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 20:58:02,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230379 states. [2019-12-27 20:58:05,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230379 to 205359. [2019-12-27 20:58:05,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205359 states. [2019-12-27 20:58:06,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205359 states to 205359 states and 840209 transitions. [2019-12-27 20:58:06,654 INFO L78 Accepts]: Start accepts. Automaton has 205359 states and 840209 transitions. Word has length 16 [2019-12-27 20:58:06,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 20:58:06,655 INFO L462 AbstractCegarLoop]: Abstraction has 205359 states and 840209 transitions. [2019-12-27 20:58:06,655 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 20:58:06,655 INFO L276 IsEmpty]: Start isEmpty. Operand 205359 states and 840209 transitions. [2019-12-27 20:58:06,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-12-27 20:58:06,664 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 20:58:06,664 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 20:58:06,665 INFO L410 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 20:58:06,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 20:58:06,665 INFO L82 PathProgramCache]: Analyzing trace with hash 477780194, now seen corresponding path program 1 times [2019-12-27 20:58:06,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 20:58:06,666 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618216662] [2019-12-27 20:58:06,666 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 20:58:06,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 20:58:06,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 20:58:06,739 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [618216662] [2019-12-27 20:58:06,740 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 20:58:06,740 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 20:58:06,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1230748765] [2019-12-27 20:58:06,740 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 20:58:06,742 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 20:58:06,745 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 17 states and 16 transitions. [2019-12-27 20:58:06,745 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 20:58:06,745 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 20:58:06,745 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-27 20:58:06,745 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 20:58:06,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-27 20:58:06,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-27 20:58:06,746 INFO L87 Difference]: Start difference. First operand 205359 states and 840209 transitions. Second operand 4 states. [2019-12-27 20:58:13,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 20:58:13,783 INFO L93 Difference]: Finished difference Result 240355 states and 977420 transitions. [2019-12-27 20:58:13,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 20:58:13,783 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 16 [2019-12-27 20:58:13,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 20:58:15,264 INFO L225 Difference]: With dead ends: 240355 [2019-12-27 20:58:15,264 INFO L226 Difference]: Without dead ends: 240355 [2019-12-27 20:58:15,265 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-27 20:58:25,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240355 states. [2019-12-27 20:58:29,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240355 to 207981. [2019-12-27 20:58:29,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207981 states. [2019-12-27 20:58:29,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207981 states to 207981 states and 851409 transitions. [2019-12-27 20:58:29,908 INFO L78 Accepts]: Start accepts. Automaton has 207981 states and 851409 transitions. Word has length 16 [2019-12-27 20:58:29,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 20:58:29,908 INFO L462 AbstractCegarLoop]: Abstraction has 207981 states and 851409 transitions. [2019-12-27 20:58:29,908 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-27 20:58:29,908 INFO L276 IsEmpty]: Start isEmpty. Operand 207981 states and 851409 transitions. [2019-12-27 20:58:29,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-12-27 20:58:29,922 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 20:58:29,922 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 20:58:29,922 INFO L410 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 20:58:29,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 20:58:29,922 INFO L82 PathProgramCache]: Analyzing trace with hash 510945583, now seen corresponding path program 1 times [2019-12-27 20:58:29,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 20:58:29,923 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774550476] [2019-12-27 20:58:29,923 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 20:58:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 20:58:30,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 20:58:30,009 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774550476] [2019-12-27 20:58:30,009 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 20:58:30,009 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 20:58:30,009 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1885001998] [2019-12-27 20:58:30,010 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 20:58:30,012 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 20:58:30,015 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 24 states and 28 transitions. [2019-12-27 20:58:30,015 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 20:58:30,016 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 20:58:30,016 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 20:58:30,017 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 20:58:30,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 20:58:30,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 20:58:30,017 INFO L87 Difference]: Start difference. First operand 207981 states and 851409 transitions. Second operand 3 states. [2019-12-27 20:58:32,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 20:58:32,357 INFO L93 Difference]: Finished difference Result 207789 states and 850622 transitions. [2019-12-27 20:58:32,357 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 20:58:32,357 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2019-12-27 20:58:32,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 20:58:41,091 INFO L225 Difference]: With dead ends: 207789 [2019-12-27 20:58:41,091 INFO L226 Difference]: Without dead ends: 207789 [2019-12-27 20:58:41,091 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 20:58:46,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207789 states. [2019-12-27 20:58:49,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207789 to 207789. [2019-12-27 20:58:49,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207789 states. [2019-12-27 20:58:50,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207789 states to 207789 states and 850622 transitions. [2019-12-27 20:58:50,613 INFO L78 Accepts]: Start accepts. Automaton has 207789 states and 850622 transitions. Word has length 18 [2019-12-27 20:58:50,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 20:58:50,613 INFO L462 AbstractCegarLoop]: Abstraction has 207789 states and 850622 transitions. [2019-12-27 20:58:50,613 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 20:58:50,613 INFO L276 IsEmpty]: Start isEmpty. Operand 207789 states and 850622 transitions. [2019-12-27 20:58:50,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-27 20:58:50,628 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 20:58:50,628 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 20:58:50,628 INFO L410 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 20:58:50,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 20:58:50,629 INFO L82 PathProgramCache]: Analyzing trace with hash -695188407, now seen corresponding path program 1 times [2019-12-27 20:58:50,629 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 20:58:50,629 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941702452] [2019-12-27 20:58:50,629 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 20:58:50,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 20:58:50,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 20:58:50,696 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941702452] [2019-12-27 20:58:50,696 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 20:58:50,696 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 20:58:50,696 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1447132783] [2019-12-27 20:58:50,697 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 20:58:50,700 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 20:58:50,708 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 44 states and 67 transitions. [2019-12-27 20:58:50,709 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 20:58:50,711 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 1 times. [2019-12-27 20:58:50,711 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 20:58:50,711 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 20:58:50,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 20:58:50,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-27 20:58:50,712 INFO L87 Difference]: Start difference. First operand 207789 states and 850622 transitions. Second operand 5 states. [2019-12-27 20:58:59,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 20:58:59,004 INFO L93 Difference]: Finished difference Result 298842 states and 1195657 transitions. [2019-12-27 20:58:59,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-27 20:58:59,004 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2019-12-27 20:58:59,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 20:58:59,838 INFO L225 Difference]: With dead ends: 298842 [2019-12-27 20:58:59,838 INFO L226 Difference]: Without dead ends: 298751 [2019-12-27 20:58:59,839 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-27 20:59:11,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298751 states. [2019-12-27 20:59:15,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298751 to 222444. [2019-12-27 20:59:15,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222444 states. [2019-12-27 20:59:16,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222444 states to 222444 states and 907365 transitions. [2019-12-27 20:59:16,417 INFO L78 Accepts]: Start accepts. Automaton has 222444 states and 907365 transitions. Word has length 19 [2019-12-27 20:59:16,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 20:59:16,417 INFO L462 AbstractCegarLoop]: Abstraction has 222444 states and 907365 transitions. [2019-12-27 20:59:16,417 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 20:59:16,417 INFO L276 IsEmpty]: Start isEmpty. Operand 222444 states and 907365 transitions. [2019-12-27 20:59:16,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-12-27 20:59:16,435 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 20:59:16,435 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 20:59:16,436 INFO L410 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 20:59:16,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 20:59:16,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1567640291, now seen corresponding path program 1 times [2019-12-27 20:59:16,436 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 20:59:16,437 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480337097] [2019-12-27 20:59:16,437 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 20:59:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 20:59:16,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 20:59:16,492 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480337097] [2019-12-27 20:59:16,492 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 20:59:16,492 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 20:59:16,493 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [583598484] [2019-12-27 20:59:16,493 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 20:59:17,736 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 20:59:17,741 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 41 states and 64 transitions. [2019-12-27 20:59:17,741 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 20:59:17,741 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 20:59:17,742 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 20:59:17,742 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 20:59:17,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 20:59:17,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 20:59:17,743 INFO L87 Difference]: Start difference. First operand 222444 states and 907365 transitions. Second operand 3 states. [2019-12-27 20:59:18,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 20:59:18,854 INFO L93 Difference]: Finished difference Result 222098 states and 906008 transitions. [2019-12-27 20:59:18,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 20:59:18,855 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2019-12-27 20:59:18,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. Received shutdown request... [2019-12-27 20:59:27,347 INFO L225 Difference]: With dead ends: 222098 [2019-12-27 20:59:27,347 INFO L226 Difference]: Without dead ends: 222098 [2019-12-27 20:59:27,348 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown