/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix031_power.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-18 13:14:14,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-18 13:14:14,348 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-18 13:14:14,365 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-18 13:14:14,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-18 13:14:14,367 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-18 13:14:14,369 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-18 13:14:14,378 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-18 13:14:14,381 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-18 13:14:14,385 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-18 13:14:14,387 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-18 13:14:14,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-18 13:14:14,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-18 13:14:14,391 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-18 13:14:14,393 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-18 13:14:14,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-18 13:14:14,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-18 13:14:14,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-18 13:14:14,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-18 13:14:14,404 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-18 13:14:14,409 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-18 13:14:14,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-18 13:14:14,413 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-18 13:14:14,414 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-18 13:14:14,417 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-18 13:14:14,417 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-18 13:14:14,417 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-18 13:14:14,419 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-18 13:14:14,420 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-18 13:14:14,421 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-18 13:14:14,421 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-18 13:14:14,422 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-18 13:14:14,423 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-18 13:14:14,424 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-18 13:14:14,425 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-18 13:14:14,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-18 13:14:14,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-18 13:14:14,426 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-18 13:14:14,426 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-18 13:14:14,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-18 13:14:14,430 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-18 13:14:14,431 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-18 13:14:14,463 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-18 13:14:14,463 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-18 13:14:14,467 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-18 13:14:14,468 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-18 13:14:14,468 INFO L138 SettingsManager]: * Use SBE=true [2019-12-18 13:14:14,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-18 13:14:14,468 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-18 13:14:14,468 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-18 13:14:14,469 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-18 13:14:14,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-18 13:14:14,469 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-18 13:14:14,469 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-18 13:14:14,469 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-18 13:14:14,470 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-18 13:14:14,472 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-18 13:14:14,472 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-18 13:14:14,473 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-18 13:14:14,473 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-18 13:14:14,473 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-18 13:14:14,473 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-18 13:14:14,473 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-18 13:14:14,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 13:14:14,474 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-18 13:14:14,474 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-18 13:14:14,474 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-18 13:14:14,474 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-18 13:14:14,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-18 13:14:14,476 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-18 13:14:14,476 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-18 13:14:14,476 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-18 13:14:14,734 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-18 13:14:14,753 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-18 13:14:14,757 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-18 13:14:14,758 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-18 13:14:14,758 INFO L275 PluginConnector]: CDTParser initialized [2019-12-18 13:14:14,759 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix031_power.oepc.i [2019-12-18 13:14:14,830 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27c758ce6/88e5547af9374fc584f09fbc85758885/FLAGc842e67bf [2019-12-18 13:14:15,355 INFO L306 CDTParser]: Found 1 translation units. [2019-12-18 13:14:15,356 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix031_power.oepc.i [2019-12-18 13:14:15,374 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27c758ce6/88e5547af9374fc584f09fbc85758885/FLAGc842e67bf [2019-12-18 13:14:15,629 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/27c758ce6/88e5547af9374fc584f09fbc85758885 [2019-12-18 13:14:15,638 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-18 13:14:15,640 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-18 13:14:15,641 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-18 13:14:15,641 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-18 13:14:15,644 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-18 13:14:15,645 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 01:14:15" (1/1) ... [2019-12-18 13:14:15,648 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6da7a078 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:14:15, skipping insertion in model container [2019-12-18 13:14:15,648 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 01:14:15" (1/1) ... [2019-12-18 13:14:15,657 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-18 13:14:15,727 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-18 13:14:16,347 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 13:14:16,359 INFO L203 MainTranslator]: Completed pre-run [2019-12-18 13:14:16,418 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 13:14:16,491 INFO L208 MainTranslator]: Completed translation [2019-12-18 13:14:16,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:14:16 WrapperNode [2019-12-18 13:14:16,492 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-18 13:14:16,493 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-18 13:14:16,493 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-18 13:14:16,493 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-18 13:14:16,502 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:14:16" (1/1) ... [2019-12-18 13:14:16,525 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:14:16" (1/1) ... [2019-12-18 13:14:16,558 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-18 13:14:16,559 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-18 13:14:16,559 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-18 13:14:16,559 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-18 13:14:16,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:14:16" (1/1) ... [2019-12-18 13:14:16,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:14:16" (1/1) ... [2019-12-18 13:14:16,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:14:16" (1/1) ... [2019-12-18 13:14:16,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:14:16" (1/1) ... [2019-12-18 13:14:16,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:14:16" (1/1) ... [2019-12-18 13:14:16,587 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:14:16" (1/1) ... [2019-12-18 13:14:16,591 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:14:16" (1/1) ... [2019-12-18 13:14:16,596 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-18 13:14:16,596 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-18 13:14:16,597 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-18 13:14:16,597 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-18 13:14:16,598 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:14:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 13:14:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-18 13:14:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-18 13:14:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-18 13:14:16,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-18 13:14:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-18 13:14:16,670 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-18 13:14:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-18 13:14:16,670 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-18 13:14:16,670 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-18 13:14:16,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-18 13:14:16,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-18 13:14:16,672 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-18 13:14:17,389 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-18 13:14:17,390 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-18 13:14:17,391 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 01:14:17 BoogieIcfgContainer [2019-12-18 13:14:17,391 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-18 13:14:17,393 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-18 13:14:17,393 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-18 13:14:17,396 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-18 13:14:17,397 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 01:14:15" (1/3) ... [2019-12-18 13:14:17,398 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@835f129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 01:14:17, skipping insertion in model container [2019-12-18 13:14:17,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 01:14:16" (2/3) ... [2019-12-18 13:14:17,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@835f129 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 01:14:17, skipping insertion in model container [2019-12-18 13:14:17,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 01:14:17" (3/3) ... [2019-12-18 13:14:17,401 INFO L109 eAbstractionObserver]: Analyzing ICFG mix031_power.oepc.i [2019-12-18 13:14:17,411 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-18 13:14:17,412 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-18 13:14:17,420 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-18 13:14:17,421 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-18 13:14:17,461 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,461 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,462 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,462 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,462 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,462 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,463 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,463 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,464 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,464 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,464 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,465 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,465 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,465 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,466 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,466 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,466 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,467 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,467 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,467 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,467 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,468 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,468 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,468 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,469 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,469 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,469 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,469 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,470 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,470 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,470 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,470 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,471 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,471 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,472 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,472 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,473 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,473 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,473 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,473 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,473 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,474 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,474 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,474 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,475 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,475 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,475 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,476 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,476 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,476 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,476 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,477 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,477 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,477 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,477 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,478 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,478 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,478 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,478 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,479 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,479 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,479 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,479 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,480 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,480 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,480 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,481 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,481 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,481 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,481 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,482 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,482 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,482 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,483 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,483 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,483 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,483 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,483 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,484 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,484 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,484 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,485 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,485 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,485 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,485 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,486 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,486 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,486 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,486 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,486 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,487 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,487 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,487 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,488 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,488 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,488 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,488 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,489 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,489 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,489 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,489 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,489 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,505 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,505 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,508 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,508 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,508 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,509 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,509 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,509 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,509 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,509 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,510 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,510 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,510 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,510 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,510 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,511 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,513 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,513 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,513 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,514 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,514 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,514 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,514 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,514 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,515 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,515 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,515 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,515 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,515 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,516 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,516 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,516 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,516 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,516 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,517 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,518 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,518 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,518 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,518 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,518 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,519 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,519 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,519 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,519 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,519 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,520 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,520 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,520 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,520 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,520 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,525 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,525 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,525 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,525 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,526 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,526 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,526 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,526 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,526 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,527 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,527 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,527 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,532 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,532 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,533 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,533 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,533 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,533 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,533 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,534 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,534 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,536 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,536 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,536 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,536 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,536 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,537 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,537 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,537 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,537 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,537 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,538 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,538 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,538 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,538 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,538 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,539 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,539 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,539 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,539 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,539 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,539 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,540 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,540 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,540 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 13:14:17,556 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-18 13:14:17,579 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 13:14:17,579 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 13:14:17,579 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 13:14:17,579 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 13:14:17,580 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 13:14:17,580 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 13:14:17,580 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 13:14:17,580 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 13:14:17,600 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 151 places, 185 transitions [2019-12-18 13:14:17,602 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 151 places, 185 transitions [2019-12-18 13:14:17,683 INFO L126 PetriNetUnfolder]: 41/183 cut-off events. [2019-12-18 13:14:17,684 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 13:14:17,705 INFO L76 FinitePrefix]: Finished finitePrefix Result has 190 conditions, 183 events. 41/183 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 341 event pairs. 6/146 useless extension candidates. Maximal degree in co-relation 150. Up to 2 conditions per place. [2019-12-18 13:14:17,726 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 151 places, 185 transitions [2019-12-18 13:14:17,786 INFO L126 PetriNetUnfolder]: 41/183 cut-off events. [2019-12-18 13:14:17,786 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 13:14:17,794 INFO L76 FinitePrefix]: Finished finitePrefix Result has 190 conditions, 183 events. 41/183 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 341 event pairs. 6/146 useless extension candidates. Maximal degree in co-relation 150. Up to 2 conditions per place. [2019-12-18 13:14:17,809 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 12056 [2019-12-18 13:14:17,810 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-18 13:14:22,243 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 37 [2019-12-18 13:14:23,070 WARN L192 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2019-12-18 13:14:23,200 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2019-12-18 13:14:23,219 INFO L206 etLargeBlockEncoding]: Checked pairs total: 55357 [2019-12-18 13:14:23,219 INFO L214 etLargeBlockEncoding]: Total number of compositions: 107 [2019-12-18 13:14:23,222 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 77 places, 89 transitions [2019-12-18 13:14:23,637 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 8640 states. [2019-12-18 13:14:23,639 INFO L276 IsEmpty]: Start isEmpty. Operand 8640 states. [2019-12-18 13:14:23,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-18 13:14:23,647 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 13:14:23,648 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-12-18 13:14:23,648 INFO L410 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 13:14:23,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 13:14:23,654 INFO L82 PathProgramCache]: Analyzing trace with hash 801135, now seen corresponding path program 1 times [2019-12-18 13:14:23,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 13:14:23,667 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136807458] [2019-12-18 13:14:23,668 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 13:14:23,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 13:14:23,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 13:14:23,909 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136807458] [2019-12-18 13:14:23,910 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 13:14:23,910 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 13:14:23,911 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740849037] [2019-12-18 13:14:23,916 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 13:14:23,916 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 13:14:23,930 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 13:14:23,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 13:14:23,933 INFO L87 Difference]: Start difference. First operand 8640 states. Second operand 3 states. [2019-12-18 13:14:24,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 13:14:24,208 INFO L93 Difference]: Finished difference Result 8472 states and 28002 transitions. [2019-12-18 13:14:24,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 13:14:24,209 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-12-18 13:14:24,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 13:14:24,300 INFO L225 Difference]: With dead ends: 8472 [2019-12-18 13:14:24,300 INFO L226 Difference]: Without dead ends: 7980 [2019-12-18 13:14:24,302 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 [2019-12-18 13:14:24,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7980 states. [2019-12-18 13:14:24,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7980 to 7980. [2019-12-18 13:14:24,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7980 states. [2019-12-18 13:14:24,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7980 states to 7980 states and 26329 transitions. [2019-12-18 13:14:24,786 INFO L78 Accepts]: Start accepts. Automaton has 7980 states and 26329 transitions. Word has length 3 [2019-12-18 13:14:24,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 13:14:24,786 INFO L462 AbstractCegarLoop]: Abstraction has 7980 states and 26329 transitions. [2019-12-18 13:14:24,787 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 13:14:24,787 INFO L276 IsEmpty]: Start isEmpty. Operand 7980 states and 26329 transitions. [2019-12-18 13:14:24,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-18 13:14:24,793 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 13:14:24,793 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 13:14:24,793 INFO L410 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 13:14:24,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 13:14:24,794 INFO L82 PathProgramCache]: Analyzing trace with hash -337363797, now seen corresponding path program 1 times [2019-12-18 13:14:24,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 13:14:24,794 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446796764] [2019-12-18 13:14:24,794 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 13:14:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 13:14:24,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 13:14:24,899 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446796764] [2019-12-18 13:14:24,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 13:14:24,899 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 13:14:24,899 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [858698165] [2019-12-18 13:14:24,900 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 13:14:24,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 13:14:24,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 13:14:24,901 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 13:14:24,902 INFO L87 Difference]: Start difference. First operand 7980 states and 26329 transitions. Second operand 3 states. [2019-12-18 13:14:24,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 13:14:24,944 INFO L93 Difference]: Finished difference Result 1284 states and 2972 transitions. [2019-12-18 13:14:24,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 13:14:24,944 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-12-18 13:14:24,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 13:14:24,951 INFO L225 Difference]: With dead ends: 1284 [2019-12-18 13:14:24,952 INFO L226 Difference]: Without dead ends: 1284 [2019-12-18 13:14:24,954 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 13:14:24,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1284 states. [2019-12-18 13:14:24,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1284 to 1284. [2019-12-18 13:14:24,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1284 states. [2019-12-18 13:14:24,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 1284 states and 2972 transitions. [2019-12-18 13:14:24,990 INFO L78 Accepts]: Start accepts. Automaton has 1284 states and 2972 transitions. Word has length 11 [2019-12-18 13:14:24,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 13:14:24,991 INFO L462 AbstractCegarLoop]: Abstraction has 1284 states and 2972 transitions. [2019-12-18 13:14:24,991 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 13:14:24,991 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 2972 transitions. [2019-12-18 13:14:24,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-18 13:14:24,998 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 13:14:24,999 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 13:14:24,999 INFO L410 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 13:14:24,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 13:14:24,999 INFO L82 PathProgramCache]: Analyzing trace with hash 254708639, now seen corresponding path program 1 times [2019-12-18 13:14:25,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 13:14:25,000 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755051260] [2019-12-18 13:14:25,000 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 13:14:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 13:14:25,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 13:14:25,107 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755051260] [2019-12-18 13:14:25,107 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 13:14:25,107 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 13:14:25,107 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747099106] [2019-12-18 13:14:25,108 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 13:14:25,108 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 13:14:25,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 13:14:25,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 13:14:25,109 INFO L87 Difference]: Start difference. First operand 1284 states and 2972 transitions. Second operand 3 states. [2019-12-18 13:14:25,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 13:14:25,207 INFO L93 Difference]: Finished difference Result 1993 states and 4593 transitions. [2019-12-18 13:14:25,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 13:14:25,208 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2019-12-18 13:14:25,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 13:14:25,223 INFO L225 Difference]: With dead ends: 1993 [2019-12-18 13:14:25,223 INFO L226 Difference]: Without dead ends: 1993 [2019-12-18 13:14:25,224 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 [2019-12-18 13:14:25,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1993 states. [2019-12-18 13:14:25,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1993 to 1444. [2019-12-18 13:14:25,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1444 states. [2019-12-18 13:14:25,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1444 states to 1444 states and 3429 transitions. [2019-12-18 13:14:25,297 INFO L78 Accepts]: Start accepts. Automaton has 1444 states and 3429 transitions. Word has length 14 [2019-12-18 13:14:25,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 13:14:25,298 INFO L462 AbstractCegarLoop]: Abstraction has 1444 states and 3429 transitions. [2019-12-18 13:14:25,298 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 13:14:25,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1444 states and 3429 transitions. [2019-12-18 13:14:25,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-18 13:14:25,302 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 13:14:25,303 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 13:14:25,303 INFO L410 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 13:14:25,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 13:14:25,304 INFO L82 PathProgramCache]: Analyzing trace with hash 254810970, now seen corresponding path program 1 times [2019-12-18 13:14:25,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 13:14:25,305 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610301485] [2019-12-18 13:14:25,306 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 13:14:25,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 13:14:25,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 13:14:25,397 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610301485] [2019-12-18 13:14:25,398 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 13:14:25,398 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 13:14:25,398 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798551973] [2019-12-18 13:14:25,399 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 13:14:25,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 13:14:25,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 13:14:25,399 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 13:14:25,399 INFO L87 Difference]: Start difference. First operand 1444 states and 3429 transitions. Second operand 4 states. [2019-12-18 13:14:25,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 13:14:25,639 INFO L93 Difference]: Finished difference Result 1803 states and 4159 transitions. [2019-12-18 13:14:25,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-18 13:14:25,640 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-12-18 13:14:25,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 13:14:25,651 INFO L225 Difference]: With dead ends: 1803 [2019-12-18 13:14:25,651 INFO L226 Difference]: Without dead ends: 1803 [2019-12-18 13:14:25,651 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 [2019-12-18 13:14:25,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1803 states. [2019-12-18 13:14:25,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1803 to 1739. [2019-12-18 13:14:25,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1739 states. [2019-12-18 13:14:25,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1739 states to 1739 states and 4035 transitions. [2019-12-18 13:14:25,704 INFO L78 Accepts]: Start accepts. Automaton has 1739 states and 4035 transitions. Word has length 14 [2019-12-18 13:14:25,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 13:14:25,704 INFO L462 AbstractCegarLoop]: Abstraction has 1739 states and 4035 transitions. [2019-12-18 13:14:25,705 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 13:14:25,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1739 states and 4035 transitions. [2019-12-18 13:14:25,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-18 13:14:25,706 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 13:14:25,706 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 13:14:25,706 INFO L410 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 13:14:25,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 13:14:25,706 INFO L82 PathProgramCache]: Analyzing trace with hash 32652836, now seen corresponding path program 1 times [2019-12-18 13:14:25,707 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 13:14:25,707 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764666261] [2019-12-18 13:14:25,707 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 13:14:25,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 13:14:25,758 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 13:14:25,758 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764666261] [2019-12-18 13:14:25,758 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 13:14:25,758 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 13:14:25,759 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670141971] [2019-12-18 13:14:25,759 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 13:14:25,759 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 13:14:25,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 13:14:25,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 13:14:25,760 INFO L87 Difference]: Start difference. First operand 1739 states and 4035 transitions. Second operand 4 states. [2019-12-18 13:14:26,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 13:14:26,015 INFO L93 Difference]: Finished difference Result 2116 states and 4835 transitions. [2019-12-18 13:14:26,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-18 13:14:26,015 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-12-18 13:14:26,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 13:14:26,028 INFO L225 Difference]: With dead ends: 2116 [2019-12-18 13:14:26,028 INFO L226 Difference]: Without dead ends: 2116 [2019-12-18 13:14:26,028 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 [2019-12-18 13:14:26,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2116 states. [2019-12-18 13:14:26,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2116 to 1856. [2019-12-18 13:14:26,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1856 states. [2019-12-18 13:14:26,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1856 states to 1856 states and 4299 transitions. [2019-12-18 13:14:26,081 INFO L78 Accepts]: Start accepts. Automaton has 1856 states and 4299 transitions. Word has length 14 [2019-12-18 13:14:26,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 13:14:26,082 INFO L462 AbstractCegarLoop]: Abstraction has 1856 states and 4299 transitions. [2019-12-18 13:14:26,083 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 13:14:26,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1856 states and 4299 transitions. [2019-12-18 13:14:26,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-18 13:14:26,085 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 13:14:26,086 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 13:14:26,086 INFO L410 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 13:14:26,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 13:14:26,086 INFO L82 PathProgramCache]: Analyzing trace with hash 1595600556, now seen corresponding path program 1 times [2019-12-18 13:14:26,087 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 13:14:26,087 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664171369] [2019-12-18 13:14:26,087 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 13:14:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 13:14:26,189 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 13:14:26,190 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664171369] [2019-12-18 13:14:26,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 13:14:26,190 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 13:14:26,190 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233598313] [2019-12-18 13:14:26,191 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-18 13:14:26,191 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 13:14:26,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-18 13:14:26,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-18 13:14:26,192 INFO L87 Difference]: Start difference. First operand 1856 states and 4299 transitions. Second operand 5 states. [2019-12-18 13:14:26,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 13:14:26,511 INFO L93 Difference]: Finished difference Result 2383 states and 5349 transitions. [2019-12-18 13:14:26,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-18 13:14:26,513 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-12-18 13:14:26,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 13:14:26,536 INFO L225 Difference]: With dead ends: 2383 [2019-12-18 13:14:26,537 INFO L226 Difference]: Without dead ends: 2383 [2019-12-18 13:14:26,537 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-12-18 13:14:26,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2383 states. [2019-12-18 13:14:26,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2383 to 2127. [2019-12-18 13:14:26,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2127 states. [2019-12-18 13:14:26,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2127 states to 2127 states and 4855 transitions. [2019-12-18 13:14:26,595 INFO L78 Accepts]: Start accepts. Automaton has 2127 states and 4855 transitions. Word has length 25 [2019-12-18 13:14:26,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 13:14:26,596 INFO L462 AbstractCegarLoop]: Abstraction has 2127 states and 4855 transitions. [2019-12-18 13:14:26,596 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-18 13:14:26,596 INFO L276 IsEmpty]: Start isEmpty. Operand 2127 states and 4855 transitions. [2019-12-18 13:14:26,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-18 13:14:26,599 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 13:14:26,599 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 13:14:26,599 INFO L410 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 13:14:26,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 13:14:26,600 INFO L82 PathProgramCache]: Analyzing trace with hash 1878239565, now seen corresponding path program 1 times [2019-12-18 13:14:26,600 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 13:14:26,600 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706983064] [2019-12-18 13:14:26,601 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 13:14:26,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 13:14:26,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 13:14:26,662 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706983064] [2019-12-18 13:14:26,662 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 13:14:26,662 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 13:14:26,662 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861857442] [2019-12-18 13:14:26,663 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 13:14:26,663 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 13:14:26,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 13:14:26,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 13:14:26,663 INFO L87 Difference]: Start difference. First operand 2127 states and 4855 transitions. Second operand 3 states. [2019-12-18 13:14:26,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 13:14:26,676 INFO L93 Difference]: Finished difference Result 2126 states and 4853 transitions. [2019-12-18 13:14:26,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 13:14:26,676 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 26 [2019-12-18 13:14:26,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 13:14:26,682 INFO L225 Difference]: With dead ends: 2126 [2019-12-18 13:14:26,683 INFO L226 Difference]: Without dead ends: 2126 [2019-12-18 13:14:26,683 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 [2019-12-18 13:14:26,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2126 states. [2019-12-18 13:14:26,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2126 to 2126. [2019-12-18 13:14:26,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2126 states. [2019-12-18 13:14:26,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2126 states to 2126 states and 4853 transitions. [2019-12-18 13:14:26,729 INFO L78 Accepts]: Start accepts. Automaton has 2126 states and 4853 transitions. Word has length 26 [2019-12-18 13:14:26,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 13:14:26,729 INFO L462 AbstractCegarLoop]: Abstraction has 2126 states and 4853 transitions. [2019-12-18 13:14:26,729 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 13:14:26,729 INFO L276 IsEmpty]: Start isEmpty. Operand 2126 states and 4853 transitions. [2019-12-18 13:14:26,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-12-18 13:14:26,732 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 13:14:26,732 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 13:14:26,732 INFO L410 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 13:14:26,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 13:14:26,733 INFO L82 PathProgramCache]: Analyzing trace with hash 532711466, now seen corresponding path program 1 times [2019-12-18 13:14:26,733 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 13:14:26,733 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889838707] [2019-12-18 13:14:26,733 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 13:14:26,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 13:14:26,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 13:14:26,792 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889838707] [2019-12-18 13:14:26,792 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 13:14:26,793 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 13:14:26,793 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937614933] [2019-12-18 13:14:26,793 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-18 13:14:26,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 13:14:26,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-18 13:14:26,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-18 13:14:26,794 INFO L87 Difference]: Start difference. First operand 2126 states and 4853 transitions. Second operand 5 states. [2019-12-18 13:14:27,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 13:14:27,049 INFO L93 Difference]: Finished difference Result 2503 states and 5587 transitions. [2019-12-18 13:14:27,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-18 13:14:27,050 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2019-12-18 13:14:27,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 13:14:27,056 INFO L225 Difference]: With dead ends: 2503 [2019-12-18 13:14:27,056 INFO L226 Difference]: Without dead ends: 2503 [2019-12-18 13:14:27,057 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-12-18 13:14:27,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2503 states. [2019-12-18 13:14:27,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2503 to 1976. [2019-12-18 13:14:27,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1976 states. [2019-12-18 13:14:27,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1976 states to 1976 states and 4537 transitions. [2019-12-18 13:14:27,102 INFO L78 Accepts]: Start accepts. Automaton has 1976 states and 4537 transitions. Word has length 26 [2019-12-18 13:14:27,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 13:14:27,104 INFO L462 AbstractCegarLoop]: Abstraction has 1976 states and 4537 transitions. [2019-12-18 13:14:27,105 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-18 13:14:27,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1976 states and 4537 transitions. [2019-12-18 13:14:27,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-18 13:14:27,108 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 13:14:27,108 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 13:14:27,108 INFO L410 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 13:14:27,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 13:14:27,108 INFO L82 PathProgramCache]: Analyzing trace with hash -1895680429, now seen corresponding path program 1 times [2019-12-18 13:14:27,109 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 13:14:27,113 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909690792] [2019-12-18 13:14:27,113 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 13:14:27,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 13:14:27,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 13:14:27,171 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909690792] [2019-12-18 13:14:27,172 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 13:14:27,172 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 13:14:27,172 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [185477933] [2019-12-18 13:14:27,172 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 13:14:27,173 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 13:14:27,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 13:14:27,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 13:14:27,175 INFO L87 Difference]: Start difference. First operand 1976 states and 4537 transitions. Second operand 4 states. [2019-12-18 13:14:27,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 13:14:27,205 INFO L93 Difference]: Finished difference Result 3149 states and 7351 transitions. [2019-12-18 13:14:27,206 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 13:14:27,206 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2019-12-18 13:14:27,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 13:14:27,210 INFO L225 Difference]: With dead ends: 3149 [2019-12-18 13:14:27,210 INFO L226 Difference]: Without dead ends: 1449 [2019-12-18 13:14:27,211 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 [2019-12-18 13:14:27,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1449 states. [2019-12-18 13:14:27,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1449 to 1433. [2019-12-18 13:14:27,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1433 states. [2019-12-18 13:14:27,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 1433 states and 3305 transitions. [2019-12-18 13:14:27,240 INFO L78 Accepts]: Start accepts. Automaton has 1433 states and 3305 transitions. Word has length 27 [2019-12-18 13:14:27,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 13:14:27,240 INFO L462 AbstractCegarLoop]: Abstraction has 1433 states and 3305 transitions. [2019-12-18 13:14:27,240 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 13:14:27,241 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 3305 transitions. [2019-12-18 13:14:27,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-12-18 13:14:27,246 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 13:14:27,246 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 13:14:27,246 INFO L410 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 13:14:27,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 13:14:27,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1902769443, now seen corresponding path program 2 times [2019-12-18 13:14:27,247 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 13:14:27,247 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336617648] [2019-12-18 13:14:27,247 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 13:14:27,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 13:14:27,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 13:14:27,327 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336617648] [2019-12-18 13:14:27,327 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 13:14:27,327 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-18 13:14:27,328 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1866452039] [2019-12-18 13:14:27,328 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-18 13:14:27,328 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 13:14:27,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-18 13:14:27,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-18 13:14:27,329 INFO L87 Difference]: Start difference. First operand 1433 states and 3305 transitions. Second operand 5 states. [2019-12-18 13:14:27,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 13:14:27,842 INFO L93 Difference]: Finished difference Result 2262 states and 5074 transitions. [2019-12-18 13:14:27,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-18 13:14:27,843 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 27 [2019-12-18 13:14:27,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 13:14:27,848 INFO L225 Difference]: With dead ends: 2262 [2019-12-18 13:14:27,849 INFO L226 Difference]: Without dead ends: 2262 [2019-12-18 13:14:27,849 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-18 13:14:27,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2262 states. [2019-12-18 13:14:27,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2262 to 2061. [2019-12-18 13:14:27,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2061 states. [2019-12-18 13:14:27,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2061 states to 2061 states and 4683 transitions. [2019-12-18 13:14:27,890 INFO L78 Accepts]: Start accepts. Automaton has 2061 states and 4683 transitions. Word has length 27 [2019-12-18 13:14:27,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 13:14:27,892 INFO L462 AbstractCegarLoop]: Abstraction has 2061 states and 4683 transitions. [2019-12-18 13:14:27,892 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-18 13:14:27,892 INFO L276 IsEmpty]: Start isEmpty. Operand 2061 states and 4683 transitions. [2019-12-18 13:14:27,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-12-18 13:14:27,896 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 13:14:27,896 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 13:14:27,896 INFO L410 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 13:14:27,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 13:14:27,896 INFO L82 PathProgramCache]: Analyzing trace with hash -348234267, now seen corresponding path program 1 times [2019-12-18 13:14:27,897 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 13:14:27,897 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158030949] [2019-12-18 13:14:27,897 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 13:14:27,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 13:14:27,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 13:14:27,949 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158030949] [2019-12-18 13:14:27,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 13:14:27,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 13:14:27,949 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [478254392] [2019-12-18 13:14:27,950 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 13:14:27,950 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 13:14:27,950 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 13:14:27,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-18 13:14:27,950 INFO L87 Difference]: Start difference. First operand 2061 states and 4683 transitions. Second operand 4 states. [2019-12-18 13:14:27,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 13:14:27,968 INFO L93 Difference]: Finished difference Result 1113 states and 2397 transitions. [2019-12-18 13:14:27,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 13:14:27,968 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 28 [2019-12-18 13:14:27,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 13:14:27,971 INFO L225 Difference]: With dead ends: 1113 [2019-12-18 13:14:27,971 INFO L226 Difference]: Without dead ends: 1002 [2019-12-18 13:14:27,971 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-18 13:14:27,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2019-12-18 13:14:27,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 960. [2019-12-18 13:14:27,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 960 states. [2019-12-18 13:14:27,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 2144 transitions. [2019-12-18 13:14:27,990 INFO L78 Accepts]: Start accepts. Automaton has 960 states and 2144 transitions. Word has length 28 [2019-12-18 13:14:27,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 13:14:27,990 INFO L462 AbstractCegarLoop]: Abstraction has 960 states and 2144 transitions. [2019-12-18 13:14:27,990 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 13:14:27,991 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 2144 transitions. [2019-12-18 13:14:27,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-18 13:14:27,995 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 13:14:27,996 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 13:14:27,996 INFO L410 AbstractCegarLoop]: === Iteration 12 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 13:14:27,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 13:14:27,996 INFO L82 PathProgramCache]: Analyzing trace with hash -359202268, now seen corresponding path program 1 times [2019-12-18 13:14:27,997 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 13:14:27,997 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661973591] [2019-12-18 13:14:27,997 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 13:14:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 13:14:28,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 13:14:28,150 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661973591] [2019-12-18 13:14:28,150 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 13:14:28,150 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-18 13:14:28,151 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217734970] [2019-12-18 13:14:28,152 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-18 13:14:28,153 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 13:14:28,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-18 13:14:28,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-18 13:14:28,153 INFO L87 Difference]: Start difference. First operand 960 states and 2144 transitions. Second operand 7 states. [2019-12-18 13:14:28,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 13:14:28,433 INFO L93 Difference]: Finished difference Result 2777 states and 5836 transitions. [2019-12-18 13:14:28,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-12-18 13:14:28,433 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-12-18 13:14:28,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 13:14:28,439 INFO L225 Difference]: With dead ends: 2777 [2019-12-18 13:14:28,440 INFO L226 Difference]: Without dead ends: 1853 [2019-12-18 13:14:28,440 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2019-12-18 13:14:28,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1853 states. [2019-12-18 13:14:28,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1853 to 998. [2019-12-18 13:14:28,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 998 states. [2019-12-18 13:14:28,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 998 states to 998 states and 2203 transitions. [2019-12-18 13:14:28,465 INFO L78 Accepts]: Start accepts. Automaton has 998 states and 2203 transitions. Word has length 51 [2019-12-18 13:14:28,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 13:14:28,465 INFO L462 AbstractCegarLoop]: Abstraction has 998 states and 2203 transitions. [2019-12-18 13:14:28,465 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-18 13:14:28,466 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 2203 transitions. [2019-12-18 13:14:28,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-12-18 13:14:28,468 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 13:14:28,468 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 13:14:28,469 INFO L410 AbstractCegarLoop]: === Iteration 13 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 13:14:28,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 13:14:28,469 INFO L82 PathProgramCache]: Analyzing trace with hash -1598138544, now seen corresponding path program 2 times [2019-12-18 13:14:28,469 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 13:14:28,469 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [858422286] [2019-12-18 13:14:28,470 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 13:14:28,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 13:14:28,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 13:14:28,542 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [858422286] [2019-12-18 13:14:28,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 13:14:28,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 13:14:28,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [30016359] [2019-12-18 13:14:28,543 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 13:14:28,543 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 13:14:28,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 13:14:28,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 13:14:28,545 INFO L87 Difference]: Start difference. First operand 998 states and 2203 transitions. Second operand 3 states. [2019-12-18 13:14:28,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 13:14:28,597 INFO L93 Difference]: Finished difference Result 1234 states and 2682 transitions. [2019-12-18 13:14:28,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 13:14:28,597 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2019-12-18 13:14:28,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 13:14:28,601 INFO L225 Difference]: With dead ends: 1234 [2019-12-18 13:14:28,601 INFO L226 Difference]: Without dead ends: 1234 [2019-12-18 13:14:28,601 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 13:14:28,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1234 states. [2019-12-18 13:14:28,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1234 to 1032. [2019-12-18 13:14:28,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1032 states. [2019-12-18 13:14:28,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 1032 states and 2281 transitions. [2019-12-18 13:14:28,620 INFO L78 Accepts]: Start accepts. Automaton has 1032 states and 2281 transitions. Word has length 51 [2019-12-18 13:14:28,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 13:14:28,621 INFO L462 AbstractCegarLoop]: Abstraction has 1032 states and 2281 transitions. [2019-12-18 13:14:28,621 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 13:14:28,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 2281 transitions. [2019-12-18 13:14:28,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-18 13:14:28,624 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 13:14:28,624 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 13:14:28,624 INFO L410 AbstractCegarLoop]: === Iteration 14 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 13:14:28,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 13:14:28,625 INFO L82 PathProgramCache]: Analyzing trace with hash -232907078, now seen corresponding path program 1 times [2019-12-18 13:14:28,625 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 13:14:28,626 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101790355] [2019-12-18 13:14:28,626 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 13:14:28,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 13:14:28,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 13:14:28,689 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101790355] [2019-12-18 13:14:28,689 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 13:14:28,689 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-18 13:14:28,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1427055703] [2019-12-18 13:14:28,689 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 13:14:28,690 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 13:14:28,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 13:14:28,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 13:14:28,690 INFO L87 Difference]: Start difference. First operand 1032 states and 2281 transitions. Second operand 4 states. [2019-12-18 13:14:28,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 13:14:28,899 INFO L93 Difference]: Finished difference Result 1622 states and 3562 transitions. [2019-12-18 13:14:28,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-18 13:14:28,900 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2019-12-18 13:14:28,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 13:14:28,903 INFO L225 Difference]: With dead ends: 1622 [2019-12-18 13:14:28,903 INFO L226 Difference]: Without dead ends: 1622 [2019-12-18 13:14:28,904 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-18 13:14:28,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1622 states. [2019-12-18 13:14:28,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1622 to 1091. [2019-12-18 13:14:28,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1091 states. [2019-12-18 13:14:28,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1091 states to 1091 states and 2427 transitions. [2019-12-18 13:14:28,926 INFO L78 Accepts]: Start accepts. Automaton has 1091 states and 2427 transitions. Word has length 52 [2019-12-18 13:14:28,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 13:14:28,927 INFO L462 AbstractCegarLoop]: Abstraction has 1091 states and 2427 transitions. [2019-12-18 13:14:28,927 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 13:14:28,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 2427 transitions. [2019-12-18 13:14:28,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-18 13:14:28,930 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 13:14:28,930 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 13:14:28,930 INFO L410 AbstractCegarLoop]: === Iteration 15 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 13:14:28,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 13:14:28,931 INFO L82 PathProgramCache]: Analyzing trace with hash -1437488850, now seen corresponding path program 1 times [2019-12-18 13:14:28,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 13:14:28,931 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406160889] [2019-12-18 13:14:28,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 13:14:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 13:14:28,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 13:14:28,999 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406160889] [2019-12-18 13:14:28,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 13:14:28,999 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-18 13:14:29,000 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [136840946] [2019-12-18 13:14:29,000 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-18 13:14:29,000 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 13:14:29,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-18 13:14:29,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-18 13:14:29,001 INFO L87 Difference]: Start difference. First operand 1091 states and 2427 transitions. Second operand 5 states. [2019-12-18 13:14:29,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 13:14:29,312 INFO L93 Difference]: Finished difference Result 1436 states and 3139 transitions. [2019-12-18 13:14:29,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-18 13:14:29,313 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2019-12-18 13:14:29,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 13:14:29,317 INFO L225 Difference]: With dead ends: 1436 [2019-12-18 13:14:29,317 INFO L226 Difference]: Without dead ends: 1436 [2019-12-18 13:14:29,317 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-12-18 13:14:29,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1436 states. [2019-12-18 13:14:29,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1436 to 1284. [2019-12-18 13:14:29,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1284 states. [2019-12-18 13:14:29,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 1284 states and 2836 transitions. [2019-12-18 13:14:29,338 INFO L78 Accepts]: Start accepts. Automaton has 1284 states and 2836 transitions. Word has length 52 [2019-12-18 13:14:29,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 13:14:29,339 INFO L462 AbstractCegarLoop]: Abstraction has 1284 states and 2836 transitions. [2019-12-18 13:14:29,339 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-18 13:14:29,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 2836 transitions. [2019-12-18 13:14:29,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-18 13:14:29,342 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 13:14:29,342 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 13:14:29,342 INFO L410 AbstractCegarLoop]: === Iteration 16 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 13:14:29,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 13:14:29,342 INFO L82 PathProgramCache]: Analyzing trace with hash 905926424, now seen corresponding path program 1 times [2019-12-18 13:14:29,343 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 13:14:29,343 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410015277] [2019-12-18 13:14:29,343 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 13:14:29,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 13:14:29,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 13:14:29,423 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410015277] [2019-12-18 13:14:29,424 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 13:14:29,424 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-18 13:14:29,424 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183305996] [2019-12-18 13:14:29,424 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-18 13:14:29,425 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 13:14:29,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-18 13:14:29,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-18 13:14:29,425 INFO L87 Difference]: Start difference. First operand 1284 states and 2836 transitions. Second operand 7 states. [2019-12-18 13:14:29,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 13:14:29,696 INFO L93 Difference]: Finished difference Result 2874 states and 6031 transitions. [2019-12-18 13:14:29,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-18 13:14:29,696 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-12-18 13:14:29,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 13:14:29,702 INFO L225 Difference]: With dead ends: 2874 [2019-12-18 13:14:29,702 INFO L226 Difference]: Without dead ends: 2405 [2019-12-18 13:14:29,702 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2019-12-18 13:14:29,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2405 states. [2019-12-18 13:14:29,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2405 to 1279. [2019-12-18 13:14:29,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1279 states. [2019-12-18 13:14:29,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 1279 states and 2821 transitions. [2019-12-18 13:14:29,729 INFO L78 Accepts]: Start accepts. Automaton has 1279 states and 2821 transitions. Word has length 52 [2019-12-18 13:14:29,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 13:14:29,730 INFO L462 AbstractCegarLoop]: Abstraction has 1279 states and 2821 transitions. [2019-12-18 13:14:29,730 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-18 13:14:29,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 2821 transitions. [2019-12-18 13:14:29,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-18 13:14:29,733 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 13:14:29,733 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 13:14:29,733 INFO L410 AbstractCegarLoop]: === Iteration 17 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 13:14:29,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 13:14:29,734 INFO L82 PathProgramCache]: Analyzing trace with hash 1875488952, now seen corresponding path program 2 times [2019-12-18 13:14:29,734 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 13:14:29,734 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929334447] [2019-12-18 13:14:29,734 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 13:14:29,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 13:14:29,838 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 13:14:29,839 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929334447] [2019-12-18 13:14:29,839 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 13:14:29,839 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 13:14:29,839 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244808770] [2019-12-18 13:14:29,841 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 13:14:29,841 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 13:14:29,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 13:14:29,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 13:14:29,841 INFO L87 Difference]: Start difference. First operand 1279 states and 2821 transitions. Second operand 4 states. [2019-12-18 13:14:29,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 13:14:29,909 INFO L93 Difference]: Finished difference Result 1279 states and 2807 transitions. [2019-12-18 13:14:29,909 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 13:14:29,909 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2019-12-18 13:14:29,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 13:14:29,912 INFO L225 Difference]: With dead ends: 1279 [2019-12-18 13:14:29,912 INFO L226 Difference]: Without dead ends: 1279 [2019-12-18 13:14:29,912 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-18 13:14:29,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1279 states. [2019-12-18 13:14:29,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1279 to 1161. [2019-12-18 13:14:29,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1161 states. [2019-12-18 13:14:29,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 1161 states and 2543 transitions. [2019-12-18 13:14:29,931 INFO L78 Accepts]: Start accepts. Automaton has 1161 states and 2543 transitions. Word has length 52 [2019-12-18 13:14:29,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 13:14:29,931 INFO L462 AbstractCegarLoop]: Abstraction has 1161 states and 2543 transitions. [2019-12-18 13:14:29,931 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 13:14:29,931 INFO L276 IsEmpty]: Start isEmpty. Operand 1161 states and 2543 transitions. [2019-12-18 13:14:29,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-18 13:14:29,934 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 13:14:29,934 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 13:14:29,934 INFO L410 AbstractCegarLoop]: === Iteration 18 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 13:14:29,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 13:14:29,935 INFO L82 PathProgramCache]: Analyzing trace with hash -976265928, now seen corresponding path program 1 times [2019-12-18 13:14:29,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 13:14:29,935 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659306137] [2019-12-18 13:14:29,935 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 13:14:29,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 13:14:30,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 13:14:30,055 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659306137] [2019-12-18 13:14:30,055 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 13:14:30,055 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 13:14:30,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558279566] [2019-12-18 13:14:30,055 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 13:14:30,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 13:14:30,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 13:14:30,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 13:14:30,056 INFO L87 Difference]: Start difference. First operand 1161 states and 2543 transitions. Second operand 3 states. [2019-12-18 13:14:30,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 13:14:30,072 INFO L93 Difference]: Finished difference Result 1160 states and 2541 transitions. [2019-12-18 13:14:30,072 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 13:14:30,073 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-12-18 13:14:30,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 13:14:30,075 INFO L225 Difference]: With dead ends: 1160 [2019-12-18 13:14:30,075 INFO L226 Difference]: Without dead ends: 1160 [2019-12-18 13:14:30,075 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 13:14:30,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2019-12-18 13:14:30,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 1053. [2019-12-18 13:14:30,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1053 states. [2019-12-18 13:14:30,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 2347 transitions. [2019-12-18 13:14:30,091 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 2347 transitions. Word has length 52 [2019-12-18 13:14:30,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 13:14:30,091 INFO L462 AbstractCegarLoop]: Abstraction has 1053 states and 2347 transitions. [2019-12-18 13:14:30,091 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 13:14:30,091 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 2347 transitions. [2019-12-18 13:14:30,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-18 13:14:30,094 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 13:14:30,094 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 13:14:30,094 INFO L410 AbstractCegarLoop]: === Iteration 19 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 13:14:30,094 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 13:14:30,094 INFO L82 PathProgramCache]: Analyzing trace with hash -1691396374, now seen corresponding path program 1 times [2019-12-18 13:14:30,095 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 13:14:30,095 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030381853] [2019-12-18 13:14:30,095 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 13:14:30,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 13:14:30,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 13:14:30,208 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-18 13:14:30,208 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-18 13:14:30,212 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [781] [781] ULTIMATE.startENTRY-->L814: Formula: (let ((.cse0 (store |v_#valid_65| 0 0))) (and (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t833~0.base_35|)) (= 0 v_~a$w_buff1~0_316) (= (store .cse0 |v_ULTIMATE.start_main_~#t833~0.base_35| 1) |v_#valid_63|) (= 0 v_~a$read_delayed_var~0.base_8) (= 0 v_~__unbuffered_cnt~0_62) (= v_~z~0_11 0) (= 0 v_~a$read_delayed~0_7) (= v_~y~0_90 0) (= 0 v_~a$r_buff1_thd2~0_271) (= v_~__unbuffered_p1_EBX~0_60 0) (= v_~a$flush_delayed~0_23 0) (= v_~main$tmp_guard1~0_43 0) (< 0 |v_#StackHeapBarrier_15|) (= |v_ULTIMATE.start_main_~#t833~0.offset_23| 0) (= 0 v_~a$w_buff0_used~0_830) (= 0 v_~a$w_buff1_used~0_501) (= 0 |v_#NULL.base_4|) (= v_~x~0_85 0) (= 0 v_~a$r_buff1_thd1~0_132) (= 0 v_~weak$$choice0~0_11) (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t833~0.base_35| 4)) (= 0 v_~a$r_buff0_thd1~0_236) (= v_~main$tmp_guard0~0_21 0) (= 0 v_~a$r_buff0_thd2~0_373) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t833~0.base_35| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t833~0.base_35|) |v_ULTIMATE.start_main_~#t833~0.offset_23| 0)) |v_#memory_int_13|) (= |v_#NULL.offset_4| 0) (= v_~__unbuffered_p0_EBX~0_115 0) (= v_~a$mem_tmp~0_14 0) (< |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t833~0.base_35|) (= v_~weak$$choice2~0_107 0) (= v_~a~0_150 0) (= v_~a$read_delayed_var~0.offset_8 0) (= v_~a$r_buff1_thd0~0_178 0) (= v_~a$r_buff0_thd0~0_163 0) (= v_~a$w_buff0~0_518 0) (= 0 v_~__unbuffered_p1_EAX~0_46) (= 0 v_~__unbuffered_p0_EAX~0_117))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_65|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{~a$read_delayed~0=v_~a$read_delayed~0_7, ~a$r_buff1_thd2~0=v_~a$r_buff1_thd2~0_271, ~a$r_buff0_thd2~0=v_~a$r_buff0_thd2~0_373, #NULL.offset=|v_#NULL.offset_4|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_43, ~a$r_buff0_thd0~0=v_~a$r_buff0_thd0~0_163, ULTIMATE.start_main_#t~ite43=|v_ULTIMATE.start_main_#t~ite43_75|, ULTIMATE.start_main_#t~ite42=|v_ULTIMATE.start_main_#t~ite42_63|, ULTIMATE.start_main_#t~ite45=|v_ULTIMATE.start_main_#t~ite45_87|, ULTIMATE.start_main_#t~ite44=|v_ULTIMATE.start_main_#t~ite44_37|, ULTIMATE.start_main_~#t834~0.base=|v_ULTIMATE.start_main_~#t834~0.base_27|, ~a$mem_tmp~0=v_~a$mem_tmp~0_14, ~a~0=v_~a~0_150, ~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_117, ~a$w_buff1~0=v_~a$w_buff1~0_316, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_46, #length=|v_#length_15|, ~y~0=v_~y~0_90, ~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_60, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_115, ULTIMATE.start_main_~#t833~0.offset=|v_ULTIMATE.start_main_~#t833~0.offset_23|, ~a$r_buff1_thd1~0=v_~a$r_buff1_thd1~0_132, ~a$w_buff0_used~0=v_~a$w_buff0_used~0_830, ~a$r_buff0_thd1~0=v_~a$r_buff0_thd1~0_236, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_21, #NULL.base=|v_#NULL.base_4|, ~weak$$choice0~0=v_~weak$$choice0~0_11, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_#t~ite41=|v_ULTIMATE.start_main_#t~ite41_95|, ~a$read_delayed_var~0.offset=v_~a$read_delayed_var~0.offset_8, ULTIMATE.start_main_#t~ite40=|v_ULTIMATE.start_main_#t~ite40_87|, ULTIMATE.start_main_~#t834~0.offset=|v_ULTIMATE.start_main_~#t834~0.offset_16|, ~a$w_buff0~0=v_~a$w_buff0~0_518, ~a$flush_delayed~0=v_~a$flush_delayed~0_23, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_25|, #valid=|v_#valid_63|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_#t~nondet38=|v_ULTIMATE.start_main_#t~nondet38_8|, ~a$r_buff1_thd0~0=v_~a$r_buff1_thd0~0_178, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_62, ULTIMATE.start_main_#t~nondet39=|v_ULTIMATE.start_main_#t~nondet39_19|, ~z~0=v_~z~0_11, ~a$w_buff1_used~0=v_~a$w_buff1_used~0_501, ~weak$$choice2~0=v_~weak$$choice2~0_107, ~x~0=v_~x~0_85, ~a$read_delayed_var~0.base=v_~a$read_delayed_var~0.base_8, ULTIMATE.start_main_~#t833~0.base=|v_ULTIMATE.start_main_~#t833~0.base_35|} AuxVars[] AssignedVars[~a$read_delayed~0, ~a$r_buff1_thd2~0, ~a$r_buff0_thd2~0, #NULL.offset, ~main$tmp_guard1~0, ~a$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite43, ULTIMATE.start_main_#t~ite42, ULTIMATE.start_main_#t~ite45, ULTIMATE.start_main_#t~ite44, ULTIMATE.start_main_~#t834~0.base, ~a$mem_tmp~0, ~a~0, ~__unbuffered_p0_EAX~0, ~a$w_buff1~0, ~__unbuffered_p1_EAX~0, #length, ~y~0, ~__unbuffered_p1_EBX~0, ~__unbuffered_p0_EBX~0, ULTIMATE.start_main_~#t833~0.offset, ~a$r_buff1_thd1~0, ~a$w_buff0_used~0, ~a$r_buff0_thd1~0, ~main$tmp_guard0~0, #NULL.base, ~weak$$choice0~0, ULTIMATE.start_main_#t~ite41, ~a$read_delayed_var~0.offset, ULTIMATE.start_main_#t~ite40, ULTIMATE.start_main_~#t834~0.offset, ~a$w_buff0~0, ~a$flush_delayed~0, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_#t~nondet38, ~a$r_buff1_thd0~0, ~__unbuffered_cnt~0, ULTIMATE.start_main_#t~nondet39, ~z~0, ~a$w_buff1_used~0, ~weak$$choice2~0, ~x~0, ~a$read_delayed_var~0.base, ULTIMATE.start_main_~#t833~0.base] because there is no mapped edge [2019-12-18 13:14:30,213 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [759] [759] P0ENTRY-->L4-3: Formula: (and (= 1 |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression_Out-1762268163|) (= |P0Thread1of1ForFork0_#in~arg.offset_In-1762268163| P0Thread1of1ForFork0_~arg.offset_Out-1762268163) (= |P0Thread1of1ForFork0_#in~arg.base_In-1762268163| P0Thread1of1ForFork0_~arg.base_Out-1762268163) (= 1 ~a$w_buff0~0_Out-1762268163) (= ~a$w_buff0_used~0_Out-1762268163 1) (= (mod ~a$w_buff1_used~0_Out-1762268163 256) 0) (= |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression_Out-1762268163| P0Thread1of1ForFork0___VERIFIER_assert_~expression_Out-1762268163) (= ~a$w_buff1_used~0_Out-1762268163 ~a$w_buff0_used~0_In-1762268163) (= ~a$w_buff1~0_Out-1762268163 ~a$w_buff0~0_In-1762268163)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|P0Thread1of1ForFork0_#in~arg.offset_In-1762268163|, ~a$w_buff0~0=~a$w_buff0~0_In-1762268163, P0Thread1of1ForFork0_#in~arg.base=|P0Thread1of1ForFork0_#in~arg.base_In-1762268163|, ~a$w_buff0_used~0=~a$w_buff0_used~0_In-1762268163} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|P0Thread1of1ForFork0_#in~arg.offset_In-1762268163|, ~a$w_buff1~0=~a$w_buff1~0_Out-1762268163, ~a$w_buff0~0=~a$w_buff0~0_Out-1762268163, P0Thread1of1ForFork0___VERIFIER_assert_~expression=P0Thread1of1ForFork0___VERIFIER_assert_~expression_Out-1762268163, P0Thread1of1ForFork0_#in~arg.base=|P0Thread1of1ForFork0_#in~arg.base_In-1762268163|, ~a$w_buff0_used~0=~a$w_buff0_used~0_Out-1762268163, ~a$w_buff1_used~0=~a$w_buff1_used~0_Out-1762268163, P0Thread1of1ForFork0_~arg.base=P0Thread1of1ForFork0_~arg.base_Out-1762268163, P0Thread1of1ForFork0___VERIFIER_assert_#in~expression=|P0Thread1of1ForFork0___VERIFIER_assert_#in~expression_Out-1762268163|, P0Thread1of1ForFork0_~arg.offset=P0Thread1of1ForFork0_~arg.offset_Out-1762268163} AuxVars[] AssignedVars[~a$w_buff1~0, ~a$w_buff0~0, P0Thread1of1ForFork0___VERIFIER_assert_~expression, ~a$w_buff0_used~0, ~a$w_buff1_used~0, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0___VERIFIER_assert_#in~expression, P0Thread1of1ForFork0_~arg.offset] because there is no mapped edge [2019-12-18 13:14:30,214 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [745] [745] L814-1-->L816: Formula: (and (= 0 (select |v_#valid_20| |v_ULTIMATE.start_main_~#t834~0.base_10|)) (not (= |v_ULTIMATE.start_main_~#t834~0.base_10| 0)) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t834~0.base_10| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t834~0.base_10|) |v_ULTIMATE.start_main_~#t834~0.offset_9| 1))) (= |v_ULTIMATE.start_main_~#t834~0.offset_9| 0) (= (store |v_#length_10| |v_ULTIMATE.start_main_~#t834~0.base_10| 4) |v_#length_9|) (< |v_#StackHeapBarrier_7| |v_ULTIMATE.start_main_~#t834~0.base_10|) (= |v_#valid_19| (store |v_#valid_20| |v_ULTIMATE.start_main_~#t834~0.base_10| 1))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_7|, #valid=|v_#valid_20|, #memory_int=|v_#memory_int_8|, #length=|v_#length_10|} OutVars{ULTIMATE.start_main_~#t834~0.base=|v_ULTIMATE.start_main_~#t834~0.base_10|, #StackHeapBarrier=|v_#StackHeapBarrier_7|, ULTIMATE.start_main_~#t834~0.offset=|v_ULTIMATE.start_main_~#t834~0.offset_9|, #valid=|v_#valid_19|, #memory_int=|v_#memory_int_7|, ULTIMATE.start_main_#t~nondet38=|v_ULTIMATE.start_main_#t~nondet38_4|, #length=|v_#length_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t834~0.base, ULTIMATE.start_main_~#t834~0.offset, #valid, #memory_int, ULTIMATE.start_main_#t~nondet38, #length] because there is no mapped edge [2019-12-18 13:14:30,223 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [760] [760] L783-->L783-8: Formula: (let ((.cse0 (= (mod ~weak$$choice2~0_In-916448145 256) 0))) (or (and .cse0 (= |P1Thread1of1ForFork1_#t~ite23_Out-916448145| |P1Thread1of1ForFork1_#t~ite24_Out-916448145|) (= |P1Thread1of1ForFork1_#t~ite23_Out-916448145| ~a$w_buff1_used~0_In-916448145) (let ((.cse1 (= 0 (mod ~a$r_buff0_thd2~0_In-916448145 256)))) (or (= 0 (mod ~a$w_buff0_used~0_In-916448145 256)) (and .cse1 (= (mod ~a$r_buff1_thd2~0_In-916448145 256) 0)) (and .cse1 (= 0 (mod ~a$w_buff1_used~0_In-916448145 256)))))) (and (= |P1Thread1of1ForFork1_#t~ite23_In-916448145| |P1Thread1of1ForFork1_#t~ite23_Out-916448145|) (= |P1Thread1of1ForFork1_#t~ite24_Out-916448145| ~a$w_buff1_used~0_In-916448145) (not .cse0)))) InVars {~a$r_buff1_thd2~0=~a$r_buff1_thd2~0_In-916448145, ~a$r_buff0_thd2~0=~a$r_buff0_thd2~0_In-916448145, P1Thread1of1ForFork1_#t~ite23=|P1Thread1of1ForFork1_#t~ite23_In-916448145|, ~a$w_buff0_used~0=~a$w_buff0_used~0_In-916448145, ~a$w_buff1_used~0=~a$w_buff1_used~0_In-916448145, ~weak$$choice2~0=~weak$$choice2~0_In-916448145} OutVars{~a$r_buff1_thd2~0=~a$r_buff1_thd2~0_In-916448145, P1Thread1of1ForFork1_#t~ite23=|P1Thread1of1ForFork1_#t~ite23_Out-916448145|, ~a$r_buff0_thd2~0=~a$r_buff0_thd2~0_In-916448145, P1Thread1of1ForFork1_#t~ite24=|P1Thread1of1ForFork1_#t~ite24_Out-916448145|, ~a$w_buff0_used~0=~a$w_buff0_used~0_In-916448145, ~a$w_buff1_used~0=~a$w_buff1_used~0_In-916448145, ~weak$$choice2~0=~weak$$choice2~0_In-916448145} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#t~ite23, P1Thread1of1ForFork1_#t~ite24] because there is no mapped edge [2019-12-18 13:14:30,224 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [711] [711] L784-->L785: Formula: (and (not (= (mod v_~weak$$choice2~0_38 256) 0)) (= v_~a$r_buff0_thd2~0_146 v_~a$r_buff0_thd2~0_147)) InVars {~a$r_buff0_thd2~0=v_~a$r_buff0_thd2~0_147, ~weak$$choice2~0=v_~weak$$choice2~0_38} OutVars{~a$r_buff0_thd2~0=v_~a$r_buff0_thd2~0_146, P1Thread1of1ForFork1_#t~ite27=|v_P1Thread1of1ForFork1_#t~ite27_8|, ~weak$$choice2~0=v_~weak$$choice2~0_38, P1Thread1of1ForFork1_#t~ite25=|v_P1Thread1of1ForFork1_#t~ite25_15|, P1Thread1of1ForFork1_#t~ite26=|v_P1Thread1of1ForFork1_#t~ite26_12|} AuxVars[] AssignedVars[~a$r_buff0_thd2~0, P1Thread1of1ForFork1_#t~ite27, P1Thread1of1ForFork1_#t~ite25, P1Thread1of1ForFork1_#t~ite26] because there is no mapped edge [2019-12-18 13:14:30,226 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [720] [720] L753-->L753-2: Formula: (let ((.cse0 (= (mod ~a$r_buff0_thd1~0_In-865405601 256) 0)) (.cse1 (= 0 (mod ~a$w_buff0_used~0_In-865405601 256)))) (or (and (not .cse0) (not .cse1) (= 0 |P0Thread1of1ForFork0_#t~ite5_Out-865405601|)) (and (= ~a$w_buff0_used~0_In-865405601 |P0Thread1of1ForFork0_#t~ite5_Out-865405601|) (or .cse0 .cse1)))) InVars {~a$w_buff0_used~0=~a$w_buff0_used~0_In-865405601, ~a$r_buff0_thd1~0=~a$r_buff0_thd1~0_In-865405601} OutVars{P0Thread1of1ForFork0_#t~ite5=|P0Thread1of1ForFork0_#t~ite5_Out-865405601|, ~a$w_buff0_used~0=~a$w_buff0_used~0_In-865405601, ~a$r_buff0_thd1~0=~a$r_buff0_thd1~0_In-865405601} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#t~ite5] because there is no mapped edge [2019-12-18 13:14:30,227 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [733] [733] L754-->L754-2: Formula: (let ((.cse3 (= 0 (mod ~a$r_buff0_thd1~0_In655761818 256))) (.cse2 (= (mod ~a$w_buff0_used~0_In655761818 256) 0)) (.cse0 (= 0 (mod ~a$r_buff1_thd1~0_In655761818 256))) (.cse1 (= (mod ~a$w_buff1_used~0_In655761818 256) 0))) (or (and (= |P0Thread1of1ForFork0_#t~ite6_Out655761818| 0) (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3)))) (and (or .cse3 .cse2) (= ~a$w_buff1_used~0_In655761818 |P0Thread1of1ForFork0_#t~ite6_Out655761818|) (or .cse0 .cse1)))) InVars {~a$r_buff1_thd1~0=~a$r_buff1_thd1~0_In655761818, ~a$w_buff0_used~0=~a$w_buff0_used~0_In655761818, ~a$r_buff0_thd1~0=~a$r_buff0_thd1~0_In655761818, ~a$w_buff1_used~0=~a$w_buff1_used~0_In655761818} OutVars{P0Thread1of1ForFork0_#t~ite6=|P0Thread1of1ForFork0_#t~ite6_Out655761818|, ~a$r_buff1_thd1~0=~a$r_buff1_thd1~0_In655761818, ~a$w_buff0_used~0=~a$w_buff0_used~0_In655761818, ~a$r_buff0_thd1~0=~a$r_buff0_thd1~0_In655761818, ~a$w_buff1_used~0=~a$w_buff1_used~0_In655761818} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#t~ite6] because there is no mapped edge [2019-12-18 13:14:30,228 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [722] [722] L755-->L756: Formula: (let ((.cse1 (= 0 (mod ~a$r_buff0_thd1~0_In-1022830591 256))) (.cse0 (= 0 (mod ~a$w_buff0_used~0_In-1022830591 256)))) (or (and (not .cse0) (= ~a$r_buff0_thd1~0_Out-1022830591 0) (not .cse1)) (and (= ~a$r_buff0_thd1~0_Out-1022830591 ~a$r_buff0_thd1~0_In-1022830591) (or .cse1 .cse0)))) InVars {~a$w_buff0_used~0=~a$w_buff0_used~0_In-1022830591, ~a$r_buff0_thd1~0=~a$r_buff0_thd1~0_In-1022830591} OutVars{P0Thread1of1ForFork0_#t~ite7=|P0Thread1of1ForFork0_#t~ite7_Out-1022830591|, ~a$w_buff0_used~0=~a$w_buff0_used~0_In-1022830591, ~a$r_buff0_thd1~0=~a$r_buff0_thd1~0_Out-1022830591} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#t~ite7, ~a$r_buff0_thd1~0] because there is no mapped edge [2019-12-18 13:14:30,228 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [717] [717] L756-->L756-2: Formula: (let ((.cse0 (= (mod ~a$r_buff1_thd1~0_In-2016842575 256) 0)) (.cse1 (= (mod ~a$w_buff1_used~0_In-2016842575 256) 0)) (.cse3 (= 0 (mod ~a$r_buff0_thd1~0_In-2016842575 256))) (.cse2 (= (mod ~a$w_buff0_used~0_In-2016842575 256) 0))) (or (and (or .cse0 .cse1) (or .cse2 .cse3) (= |P0Thread1of1ForFork0_#t~ite8_Out-2016842575| ~a$r_buff1_thd1~0_In-2016842575)) (and (= 0 |P0Thread1of1ForFork0_#t~ite8_Out-2016842575|) (or (and (not .cse0) (not .cse1)) (and (not .cse3) (not .cse2)))))) InVars {~a$r_buff1_thd1~0=~a$r_buff1_thd1~0_In-2016842575, ~a$w_buff0_used~0=~a$w_buff0_used~0_In-2016842575, ~a$r_buff0_thd1~0=~a$r_buff0_thd1~0_In-2016842575, ~a$w_buff1_used~0=~a$w_buff1_used~0_In-2016842575} OutVars{~a$r_buff1_thd1~0=~a$r_buff1_thd1~0_In-2016842575, P0Thread1of1ForFork0_#t~ite8=|P0Thread1of1ForFork0_#t~ite8_Out-2016842575|, ~a$w_buff0_used~0=~a$w_buff0_used~0_In-2016842575, ~a$r_buff0_thd1~0=~a$r_buff0_thd1~0_In-2016842575, ~a$w_buff1_used~0=~a$w_buff1_used~0_In-2016842575} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#t~ite8] because there is no mapped edge [2019-12-18 13:14:30,228 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [755] [755] L756-2-->P0EXIT: Formula: (and (= v_~a$r_buff1_thd1~0_63 |v_P0Thread1of1ForFork0_#t~ite8_30|) (= 0 |v_P0Thread1of1ForFork0_#res.base_5|) (= |v_P0Thread1of1ForFork0_#res.offset_5| 0) (= (+ v_~__unbuffered_cnt~0_40 1) v_~__unbuffered_cnt~0_39)) InVars {P0Thread1of1ForFork0_#t~ite8=|v_P0Thread1of1ForFork0_#t~ite8_30|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_40} OutVars{P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_5|, ~a$r_buff1_thd1~0=v_~a$r_buff1_thd1~0_63, P0Thread1of1ForFork0_#t~ite8=|v_P0Thread1of1ForFork0_#t~ite8_29|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_39} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#res.offset, ~a$r_buff1_thd1~0, P0Thread1of1ForFork0_#t~ite8, P0Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0] because there is no mapped edge [2019-12-18 13:14:30,228 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [703] [703] L787-->L791: Formula: (and (not (= 0 (mod v_~a$flush_delayed~0_14 256))) (= v_~a~0_48 v_~a$mem_tmp~0_7) (= v_~a$flush_delayed~0_13 0)) InVars {~a$mem_tmp~0=v_~a$mem_tmp~0_7, ~a$flush_delayed~0=v_~a$flush_delayed~0_14} OutVars{~a~0=v_~a~0_48, ~a$mem_tmp~0=v_~a$mem_tmp~0_7, ~a$flush_delayed~0=v_~a$flush_delayed~0_13, P1Thread1of1ForFork1_#t~ite31=|v_P1Thread1of1ForFork1_#t~ite31_13|} AuxVars[] AssignedVars[~a~0, ~a$flush_delayed~0, P1Thread1of1ForFork1_#t~ite31] because there is no mapped edge [2019-12-18 13:14:30,229 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [725] [725] L791-2-->L791-5: Formula: (let ((.cse0 (= |P1Thread1of1ForFork1_#t~ite32_Out1952524312| |P1Thread1of1ForFork1_#t~ite33_Out1952524312|)) (.cse2 (= (mod ~a$r_buff1_thd2~0_In1952524312 256) 0)) (.cse1 (= 0 (mod ~a$w_buff1_used~0_In1952524312 256)))) (or (and .cse0 (not .cse1) (= ~a$w_buff1~0_In1952524312 |P1Thread1of1ForFork1_#t~ite32_Out1952524312|) (not .cse2)) (and .cse0 (= |P1Thread1of1ForFork1_#t~ite32_Out1952524312| ~a~0_In1952524312) (or .cse2 .cse1)))) InVars {~a~0=~a~0_In1952524312, ~a$w_buff1~0=~a$w_buff1~0_In1952524312, ~a$r_buff1_thd2~0=~a$r_buff1_thd2~0_In1952524312, ~a$w_buff1_used~0=~a$w_buff1_used~0_In1952524312} OutVars{~a~0=~a~0_In1952524312, ~a$w_buff1~0=~a$w_buff1~0_In1952524312, ~a$r_buff1_thd2~0=~a$r_buff1_thd2~0_In1952524312, P1Thread1of1ForFork1_#t~ite32=|P1Thread1of1ForFork1_#t~ite32_Out1952524312|, P1Thread1of1ForFork1_#t~ite33=|P1Thread1of1ForFork1_#t~ite33_Out1952524312|, ~a$w_buff1_used~0=~a$w_buff1_used~0_In1952524312} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#t~ite32, P1Thread1of1ForFork1_#t~ite33] because there is no mapped edge [2019-12-18 13:14:30,230 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [728] [728] L792-->L792-2: Formula: (let ((.cse0 (= 0 (mod ~a$w_buff0_used~0_In-1892719191 256))) (.cse1 (= (mod ~a$r_buff0_thd2~0_In-1892719191 256) 0))) (or (and (= 0 |P1Thread1of1ForFork1_#t~ite34_Out-1892719191|) (not .cse0) (not .cse1)) (and (= ~a$w_buff0_used~0_In-1892719191 |P1Thread1of1ForFork1_#t~ite34_Out-1892719191|) (or .cse0 .cse1)))) InVars {~a$r_buff0_thd2~0=~a$r_buff0_thd2~0_In-1892719191, ~a$w_buff0_used~0=~a$w_buff0_used~0_In-1892719191} OutVars{P1Thread1of1ForFork1_#t~ite34=|P1Thread1of1ForFork1_#t~ite34_Out-1892719191|, ~a$r_buff0_thd2~0=~a$r_buff0_thd2~0_In-1892719191, ~a$w_buff0_used~0=~a$w_buff0_used~0_In-1892719191} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#t~ite34] because there is no mapped edge [2019-12-18 13:14:30,230 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [721] [721] L793-->L793-2: Formula: (let ((.cse0 (= 0 (mod ~a$r_buff0_thd2~0_In92718676 256))) (.cse1 (= 0 (mod ~a$w_buff0_used~0_In92718676 256))) (.cse2 (= 0 (mod ~a$r_buff1_thd2~0_In92718676 256))) (.cse3 (= (mod ~a$w_buff1_used~0_In92718676 256) 0))) (or (and (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3))) (= 0 |P1Thread1of1ForFork1_#t~ite35_Out92718676|)) (and (or .cse0 .cse1) (or .cse2 .cse3) (= |P1Thread1of1ForFork1_#t~ite35_Out92718676| ~a$w_buff1_used~0_In92718676)))) InVars {~a$r_buff1_thd2~0=~a$r_buff1_thd2~0_In92718676, ~a$r_buff0_thd2~0=~a$r_buff0_thd2~0_In92718676, ~a$w_buff0_used~0=~a$w_buff0_used~0_In92718676, ~a$w_buff1_used~0=~a$w_buff1_used~0_In92718676} OutVars{~a$r_buff1_thd2~0=~a$r_buff1_thd2~0_In92718676, ~a$r_buff0_thd2~0=~a$r_buff0_thd2~0_In92718676, ~a$w_buff0_used~0=~a$w_buff0_used~0_In92718676, P1Thread1of1ForFork1_#t~ite35=|P1Thread1of1ForFork1_#t~ite35_Out92718676|, ~a$w_buff1_used~0=~a$w_buff1_used~0_In92718676} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#t~ite35] because there is no mapped edge [2019-12-18 13:14:30,231 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [734] [734] L794-->L794-2: Formula: (let ((.cse1 (= (mod ~a$r_buff0_thd2~0_In-446175575 256) 0)) (.cse0 (= 0 (mod ~a$w_buff0_used~0_In-446175575 256)))) (or (and (= ~a$r_buff0_thd2~0_In-446175575 |P1Thread1of1ForFork1_#t~ite36_Out-446175575|) (or .cse0 .cse1)) (and (= 0 |P1Thread1of1ForFork1_#t~ite36_Out-446175575|) (not .cse1) (not .cse0)))) InVars {~a$r_buff0_thd2~0=~a$r_buff0_thd2~0_In-446175575, ~a$w_buff0_used~0=~a$w_buff0_used~0_In-446175575} OutVars{~a$r_buff0_thd2~0=~a$r_buff0_thd2~0_In-446175575, ~a$w_buff0_used~0=~a$w_buff0_used~0_In-446175575, P1Thread1of1ForFork1_#t~ite36=|P1Thread1of1ForFork1_#t~ite36_Out-446175575|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#t~ite36] because there is no mapped edge [2019-12-18 13:14:30,232 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [724] [724] L795-->L795-2: Formula: (let ((.cse1 (= (mod ~a$w_buff1_used~0_In1195275638 256) 0)) (.cse0 (= 0 (mod ~a$r_buff1_thd2~0_In1195275638 256))) (.cse3 (= 0 (mod ~a$r_buff0_thd2~0_In1195275638 256))) (.cse2 (= 0 (mod ~a$w_buff0_used~0_In1195275638 256)))) (or (and (= 0 |P1Thread1of1ForFork1_#t~ite37_Out1195275638|) (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3)))) (and (or .cse1 .cse0) (or .cse3 .cse2) (= ~a$r_buff1_thd2~0_In1195275638 |P1Thread1of1ForFork1_#t~ite37_Out1195275638|)))) InVars {~a$r_buff1_thd2~0=~a$r_buff1_thd2~0_In1195275638, ~a$r_buff0_thd2~0=~a$r_buff0_thd2~0_In1195275638, ~a$w_buff0_used~0=~a$w_buff0_used~0_In1195275638, ~a$w_buff1_used~0=~a$w_buff1_used~0_In1195275638} OutVars{~a$r_buff1_thd2~0=~a$r_buff1_thd2~0_In1195275638, ~a$r_buff0_thd2~0=~a$r_buff0_thd2~0_In1195275638, ~a$w_buff0_used~0=~a$w_buff0_used~0_In1195275638, ~a$w_buff1_used~0=~a$w_buff1_used~0_In1195275638, P1Thread1of1ForFork1_#t~ite37=|P1Thread1of1ForFork1_#t~ite37_Out1195275638|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#t~ite37] because there is no mapped edge [2019-12-18 13:14:30,232 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [742] [742] L795-2-->P1EXIT: Formula: (and (= 0 |v_P1Thread1of1ForFork1_#res.base_5|) (= |v_P1Thread1of1ForFork1_#t~ite37_24| v_~a$r_buff1_thd2~0_110) (= (+ v_~__unbuffered_cnt~0_28 1) v_~__unbuffered_cnt~0_27) (= |v_P1Thread1of1ForFork1_#res.offset_5| 0)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_28, P1Thread1of1ForFork1_#t~ite37=|v_P1Thread1of1ForFork1_#t~ite37_24|} OutVars{P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_5|, ~a$r_buff1_thd2~0=v_~a$r_buff1_thd2~0_110, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_27, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_5|, P1Thread1of1ForFork1_#t~ite37=|v_P1Thread1of1ForFork1_#t~ite37_23|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#res.offset, ~a$r_buff1_thd2~0, ~__unbuffered_cnt~0, P1Thread1of1ForFork1_#res.base, P1Thread1of1ForFork1_#t~ite37] because there is no mapped edge [2019-12-18 13:14:30,232 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [672] [672] L816-1-->L822: Formula: (and (= 2 v_~__unbuffered_cnt~0_15) (= v_~main$tmp_guard0~0_9 1)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_15} OutVars{~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_15, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_9, ULTIMATE.start_main_#t~nondet39=|v_ULTIMATE.start_main_#t~nondet39_7|} AuxVars[] AssignedVars[~main$tmp_guard0~0, ULTIMATE.start_main_#t~nondet39] because there is no mapped edge [2019-12-18 13:14:30,233 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [726] [726] L822-2-->L822-4: Formula: (let ((.cse1 (= (mod ~a$w_buff1_used~0_In-954007094 256) 0)) (.cse0 (= 0 (mod ~a$r_buff1_thd0~0_In-954007094 256)))) (or (and (= |ULTIMATE.start_main_#t~ite40_Out-954007094| ~a~0_In-954007094) (or .cse0 .cse1)) (and (not .cse1) (= |ULTIMATE.start_main_#t~ite40_Out-954007094| ~a$w_buff1~0_In-954007094) (not .cse0)))) InVars {~a~0=~a~0_In-954007094, ~a$w_buff1~0=~a$w_buff1~0_In-954007094, ~a$r_buff1_thd0~0=~a$r_buff1_thd0~0_In-954007094, ~a$w_buff1_used~0=~a$w_buff1_used~0_In-954007094} OutVars{~a~0=~a~0_In-954007094, ULTIMATE.start_main_#t~ite40=|ULTIMATE.start_main_#t~ite40_Out-954007094|, ~a$w_buff1~0=~a$w_buff1~0_In-954007094, ~a$r_buff1_thd0~0=~a$r_buff1_thd0~0_In-954007094, ~a$w_buff1_used~0=~a$w_buff1_used~0_In-954007094} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite40] because there is no mapped edge [2019-12-18 13:14:30,233 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [671] [671] L822-4-->L823: Formula: (= v_~a~0_26 |v_ULTIMATE.start_main_#t~ite40_17|) InVars {ULTIMATE.start_main_#t~ite40=|v_ULTIMATE.start_main_#t~ite40_17|} OutVars{~a~0=v_~a~0_26, ULTIMATE.start_main_#t~ite41=|v_ULTIMATE.start_main_#t~ite41_20|, ULTIMATE.start_main_#t~ite40=|v_ULTIMATE.start_main_#t~ite40_16|} AuxVars[] AssignedVars[~a~0, ULTIMATE.start_main_#t~ite41, ULTIMATE.start_main_#t~ite40] because there is no mapped edge [2019-12-18 13:14:30,234 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [715] [715] L823-->L823-2: Formula: (let ((.cse0 (= 0 (mod ~a$w_buff0_used~0_In695608108 256))) (.cse1 (= (mod ~a$r_buff0_thd0~0_In695608108 256) 0))) (or (and (= 0 |ULTIMATE.start_main_#t~ite42_Out695608108|) (not .cse0) (not .cse1)) (and (or .cse0 .cse1) (= |ULTIMATE.start_main_#t~ite42_Out695608108| ~a$w_buff0_used~0_In695608108)))) InVars {~a$w_buff0_used~0=~a$w_buff0_used~0_In695608108, ~a$r_buff0_thd0~0=~a$r_buff0_thd0~0_In695608108} OutVars{~a$w_buff0_used~0=~a$w_buff0_used~0_In695608108, ~a$r_buff0_thd0~0=~a$r_buff0_thd0~0_In695608108, ULTIMATE.start_main_#t~ite42=|ULTIMATE.start_main_#t~ite42_Out695608108|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite42] because there is no mapped edge [2019-12-18 13:14:30,234 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [714] [714] L824-->L824-2: Formula: (let ((.cse1 (= 0 (mod ~a$r_buff0_thd0~0_In-484458103 256))) (.cse0 (= (mod ~a$w_buff0_used~0_In-484458103 256) 0)) (.cse2 (= (mod ~a$w_buff1_used~0_In-484458103 256) 0)) (.cse3 (= 0 (mod ~a$r_buff1_thd0~0_In-484458103 256)))) (or (and (or .cse0 .cse1) (= ~a$w_buff1_used~0_In-484458103 |ULTIMATE.start_main_#t~ite43_Out-484458103|) (or .cse2 .cse3)) (and (= 0 |ULTIMATE.start_main_#t~ite43_Out-484458103|) (or (and (not .cse1) (not .cse0)) (and (not .cse2) (not .cse3)))))) InVars {~a$r_buff1_thd0~0=~a$r_buff1_thd0~0_In-484458103, ~a$w_buff0_used~0=~a$w_buff0_used~0_In-484458103, ~a$r_buff0_thd0~0=~a$r_buff0_thd0~0_In-484458103, ~a$w_buff1_used~0=~a$w_buff1_used~0_In-484458103} OutVars{~a$r_buff1_thd0~0=~a$r_buff1_thd0~0_In-484458103, ~a$w_buff0_used~0=~a$w_buff0_used~0_In-484458103, ~a$r_buff0_thd0~0=~a$r_buff0_thd0~0_In-484458103, ~a$w_buff1_used~0=~a$w_buff1_used~0_In-484458103, ULTIMATE.start_main_#t~ite43=|ULTIMATE.start_main_#t~ite43_Out-484458103|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite43] because there is no mapped edge [2019-12-18 13:14:30,235 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [716] [716] L825-->L825-2: Formula: (let ((.cse0 (= 0 (mod ~a$w_buff0_used~0_In-860724228 256))) (.cse1 (= (mod ~a$r_buff0_thd0~0_In-860724228 256) 0))) (or (and (or .cse0 .cse1) (= ~a$r_buff0_thd0~0_In-860724228 |ULTIMATE.start_main_#t~ite44_Out-860724228|)) (and (= 0 |ULTIMATE.start_main_#t~ite44_Out-860724228|) (not .cse0) (not .cse1)))) InVars {~a$w_buff0_used~0=~a$w_buff0_used~0_In-860724228, ~a$r_buff0_thd0~0=~a$r_buff0_thd0~0_In-860724228} OutVars{~a$w_buff0_used~0=~a$w_buff0_used~0_In-860724228, ~a$r_buff0_thd0~0=~a$r_buff0_thd0~0_In-860724228, ULTIMATE.start_main_#t~ite44=|ULTIMATE.start_main_#t~ite44_Out-860724228|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite44] because there is no mapped edge [2019-12-18 13:14:30,236 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [723] [723] L826-->L826-2: Formula: (let ((.cse0 (= 0 (mod ~a$w_buff0_used~0_In-1900334165 256))) (.cse1 (= 0 (mod ~a$r_buff0_thd0~0_In-1900334165 256))) (.cse3 (= 0 (mod ~a$r_buff1_thd0~0_In-1900334165 256))) (.cse2 (= (mod ~a$w_buff1_used~0_In-1900334165 256) 0))) (or (and (= |ULTIMATE.start_main_#t~ite45_Out-1900334165| ~a$r_buff1_thd0~0_In-1900334165) (or .cse0 .cse1) (or .cse2 .cse3)) (and (= 0 |ULTIMATE.start_main_#t~ite45_Out-1900334165|) (or (and (not .cse0) (not .cse1)) (and (not .cse3) (not .cse2)))))) InVars {~a$r_buff1_thd0~0=~a$r_buff1_thd0~0_In-1900334165, ~a$w_buff0_used~0=~a$w_buff0_used~0_In-1900334165, ~a$r_buff0_thd0~0=~a$r_buff0_thd0~0_In-1900334165, ~a$w_buff1_used~0=~a$w_buff1_used~0_In-1900334165} OutVars{~a$r_buff1_thd0~0=~a$r_buff1_thd0~0_In-1900334165, ~a$w_buff0_used~0=~a$w_buff0_used~0_In-1900334165, ~a$r_buff0_thd0~0=~a$r_buff0_thd0~0_In-1900334165, ~a$w_buff1_used~0=~a$w_buff1_used~0_In-1900334165, ULTIMATE.start_main_#t~ite45=|ULTIMATE.start_main_#t~ite45_Out-1900334165|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite45] because there is no mapped edge [2019-12-18 13:14:30,236 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [770] [770] L826-2-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= v_~main$tmp_guard1~0_18 0) (= v_ULTIMATE.start___VERIFIER_assert_~expression_18 0) (= v_~a$r_buff1_thd0~0_147 |v_ULTIMATE.start_main_#t~ite45_39|) (= v_~__unbuffered_p1_EBX~0_26 0) (= v_~__unbuffered_p0_EBX~0_86 0) (= 1 v_~__unbuffered_p1_EAX~0_18) (= 1 v_~__unbuffered_p0_EAX~0_88) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_10| (mod v_~main$tmp_guard1~0_18 256))) InVars {~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_88, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_86, ~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_26, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_18, ULTIMATE.start_main_#t~ite45=|v_ULTIMATE.start_main_#t~ite45_39|} OutVars{~__unbuffered_p0_EAX~0=v_~__unbuffered_p0_EAX~0_88, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_18, ~__unbuffered_p0_EBX~0=v_~__unbuffered_p0_EBX~0_86, ~__unbuffered_p1_EBX~0=v_~__unbuffered_p1_EBX~0_26, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_18, ~a$r_buff1_thd0~0=v_~a$r_buff1_thd0~0_147, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_18, ULTIMATE.start_main_#t~ite45=|v_ULTIMATE.start_main_#t~ite45_38|, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_10|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression, ~a$r_buff1_thd0~0, ~main$tmp_guard1~0, ULTIMATE.start_main_#t~ite45, ULTIMATE.start___VERIFIER_assert_#in~expression] because there is no mapped edge [2019-12-18 13:14:30,366 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 01:14:30 BasicIcfg [2019-12-18 13:14:30,366 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-18 13:14:30,368 INFO L168 Benchmark]: Toolchain (without parser) took 14729.09 ms. Allocated memory was 146.8 MB in the beginning and 412.6 MB in the end (delta: 265.8 MB). Free memory was 101.9 MB in the beginning and 82.4 MB in the end (delta: 19.5 MB). Peak memory consumption was 285.3 MB. Max. memory is 7.1 GB. [2019-12-18 13:14:30,370 INFO L168 Benchmark]: CDTParser took 1.36 ms. Allocated memory is still 146.8 MB. Free memory is still 121.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-12-18 13:14:30,372 INFO L168 Benchmark]: CACSL2BoogieTranslator took 851.30 ms. Allocated memory was 146.8 MB in the beginning and 205.0 MB in the end (delta: 58.2 MB). Free memory was 101.5 MB in the beginning and 158.0 MB in the end (delta: -56.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. [2019-12-18 13:14:30,377 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.18 ms. Allocated memory is still 205.0 MB. Free memory was 158.0 MB in the beginning and 155.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. [2019-12-18 13:14:30,378 INFO L168 Benchmark]: Boogie Preprocessor took 37.26 ms. Allocated memory is still 205.0 MB. Free memory was 155.2 MB in the beginning and 153.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-12-18 13:14:30,379 INFO L168 Benchmark]: RCFGBuilder took 795.08 ms. Allocated memory is still 205.0 MB. Free memory was 153.4 MB in the beginning and 108.7 MB in the end (delta: 44.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 7.1 GB. [2019-12-18 13:14:30,380 INFO L168 Benchmark]: TraceAbstraction took 12973.43 ms. Allocated memory was 205.0 MB in the beginning and 412.6 MB in the end (delta: 207.6 MB). Free memory was 107.8 MB in the beginning and 82.4 MB in the end (delta: 25.4 MB). Peak memory consumption was 233.0 MB. Max. memory is 7.1 GB. [2019-12-18 13:14:30,383 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.36 ms. Allocated memory is still 146.8 MB. Free memory is still 121.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 851.30 ms. Allocated memory was 146.8 MB in the beginning and 205.0 MB in the end (delta: 58.2 MB). Free memory was 101.5 MB in the beginning and 158.0 MB in the end (delta: -56.6 MB). Peak memory consumption was 20.4 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 66.18 ms. Allocated memory is still 205.0 MB. Free memory was 158.0 MB in the beginning and 155.2 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.26 ms. Allocated memory is still 205.0 MB. Free memory was 155.2 MB in the beginning and 153.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 795.08 ms. Allocated memory is still 205.0 MB. Free memory was 153.4 MB in the beginning and 108.7 MB in the end (delta: 44.7 MB). Peak memory consumption was 44.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12973.43 ms. Allocated memory was 205.0 MB in the beginning and 412.6 MB in the end (delta: 207.6 MB). Free memory was 107.8 MB in the beginning and 82.4 MB in the end (delta: 25.4 MB). Peak memory consumption was 233.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 5.6s, 151 ProgramPointsBefore, 77 ProgramPointsAfterwards, 185 TransitionsBefore, 89 TransitionsAfterwards, 12056 CoEnabledTransitionPairs, 8 FixpointIterations, 33 TrivialSequentialCompositions, 40 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 34 ConcurrentYvCompositions, 25 ChoiceCompositions, 5174 VarBasedMoverChecksPositive, 220 VarBasedMoverChecksNegative, 43 SemBasedMoverChecksPositive, 239 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.8s, 0 MoverChecksTotal, 55357 CheckedPairsTotal, 107 TotalNumberOfCompositions - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L814] FCALL, FORK 0 pthread_create(&t833, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L816] FCALL, FORK 0 pthread_create(&t834, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L737] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L738] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L739] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L740] 1 a$r_buff0_thd1 = (_Bool)1 [L743] 1 x = 1 [L746] 1 __unbuffered_p0_EAX = x [L749] 1 __unbuffered_p0_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L766] 2 y = 1 [L769] 2 z = 1 [L772] 2 __unbuffered_p1_EAX = z [L775] 2 weak$$choice0 = __VERIFIER_nondet_bool() [L776] 2 weak$$choice2 = __VERIFIER_nondet_bool() [L777] 2 a$flush_delayed = weak$$choice2 [L778] 2 a$mem_tmp = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=1, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=1, z=1] [L779] EXPR 2 !a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a : (a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : a$w_buff1) VAL [!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a : (a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : a$w_buff1)=0, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=1, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=1, z=1] [L779] 2 a = !a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a : (a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : a$w_buff1) [L780] EXPR 2 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : a$w_buff0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=1, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : a$w_buff0))=1, x=1, y=1, z=1] [L780] 2 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : a$w_buff0)) [L752] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=1, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=1, z=1] [L781] EXPR 2 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff1 : a$w_buff1)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=1, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff1 : a$w_buff1))=0, x=1, y=1, z=1] [L781] 2 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff1 : a$w_buff1)) [L782] EXPR 2 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=1, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used))=1, x=1, y=1, z=1] [L782] 2 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used)) [L783] 2 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L785] EXPR 2 weak$$choice2 ? a$r_buff1_thd2 : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$r_buff1_thd2 : (a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=1, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, weak$$choice2 ? a$r_buff1_thd2 : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$r_buff1_thd2 : (a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))=0, x=1, y=1, z=1] [L785] 2 a$r_buff1_thd2 = weak$$choice2 ? a$r_buff1_thd2 : (!a$w_buff0_used || !a$r_buff0_thd2 && !a$w_buff1_used || !a$r_buff0_thd2 && !a$r_buff1_thd2 ? a$r_buff1_thd2 : (a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : (_Bool)0)) [L786] 2 __unbuffered_p1_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=1, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=1, z=1] [L752] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L753] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L754] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L791] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) VAL [__unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=1, z=1] [L791] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L792] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L793] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L794] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L822] 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=5, weak$$choice2=1, x=1, y=1, z=1] [L823] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L824] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L825] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 145 locations, 2 error locations. Result: UNSAFE, OverallTime: 12.6s, OverallIterations: 19, TraceHistogramMax: 1, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 2181 SDtfs, 2016 SDslu, 3753 SDs, 0 SdLazy, 1820 SolverSat, 99 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 100 GetRequests, 28 SyntacticMatches, 7 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8640occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 18 MinimizatonAttempts, 5006 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 630 NumberOfCodeBlocks, 630 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 559 ConstructedInterpolants, 0 QuantifiedInterpolants, 79922 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 18 InterpolantComputations, 18 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...