/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix042_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-28 02:31:44,465 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-28 02:31:44,467 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-28 02:31:44,483 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-28 02:31:44,484 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-28 02:31:44,486 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-28 02:31:44,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-28 02:31:44,491 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-28 02:31:44,495 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-28 02:31:44,496 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-28 02:31:44,500 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-28 02:31:44,502 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-28 02:31:44,502 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-28 02:31:44,505 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-28 02:31:44,508 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-28 02:31:44,510 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-28 02:31:44,510 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-28 02:31:44,511 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-28 02:31:44,514 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-28 02:31:44,516 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-28 02:31:44,520 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-28 02:31:44,524 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-28 02:31:44,525 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-28 02:31:44,526 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-28 02:31:44,528 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-28 02:31:44,528 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-28 02:31:44,528 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-28 02:31:44,529 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-28 02:31:44,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-28 02:31:44,531 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-28 02:31:44,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-28 02:31:44,533 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-28 02:31:44,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-28 02:31:44,536 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-28 02:31:44,537 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-28 02:31:44,538 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-28 02:31:44,538 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-28 02:31:44,539 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-28 02:31:44,539 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-28 02:31:44,540 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-28 02:31:44,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-28 02:31:44,544 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-MCR.epf [2019-12-28 02:31:44,567 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-28 02:31:44,567 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-28 02:31:44,569 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-28 02:31:44,569 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-28 02:31:44,569 INFO L138 SettingsManager]: * Use SBE=true [2019-12-28 02:31:44,570 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-28 02:31:44,570 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-28 02:31:44,570 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-28 02:31:44,570 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-28 02:31:44,570 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-28 02:31:44,572 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-28 02:31:44,572 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-28 02:31:44,572 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-28 02:31:44,572 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-28 02:31:44,573 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-28 02:31:44,573 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-28 02:31:44,573 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-28 02:31:44,573 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-28 02:31:44,573 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-28 02:31:44,574 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-28 02:31:44,574 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-28 02:31:44,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 02:31:44,574 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-28 02:31:44,575 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-28 02:31:44,575 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-28 02:31:44,575 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-28 02:31:44,575 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-28 02:31:44,575 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-28 02:31:44,576 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-28 02:31:44,576 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-28 02:31:44,577 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-28 02:31:44,577 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-28 02:31:44,841 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-28 02:31:44,854 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-28 02:31:44,858 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-28 02:31:44,860 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-28 02:31:44,860 INFO L275 PluginConnector]: CDTParser initialized [2019-12-28 02:31:44,861 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix042_rmo.opt.i [2019-12-28 02:31:44,929 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/845a7c045/26aba7f3bc4f44628f23b7ae5e80b8a8/FLAG3a2522a80 [2019-12-28 02:31:45,504 INFO L306 CDTParser]: Found 1 translation units. [2019-12-28 02:31:45,504 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix042_rmo.opt.i [2019-12-28 02:31:45,521 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/845a7c045/26aba7f3bc4f44628f23b7ae5e80b8a8/FLAG3a2522a80 [2019-12-28 02:31:45,765 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/845a7c045/26aba7f3bc4f44628f23b7ae5e80b8a8 [2019-12-28 02:31:45,774 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-28 02:31:45,776 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-28 02:31:45,776 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-28 02:31:45,777 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-28 02:31:45,780 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-28 02:31:45,781 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:31:45" (1/1) ... [2019-12-28 02:31:45,784 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a1e95ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:31:45, skipping insertion in model container [2019-12-28 02:31:45,784 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.12 02:31:45" (1/1) ... [2019-12-28 02:31:45,792 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-28 02:31:45,847 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-28 02:31:46,365 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 02:31:46,383 INFO L203 MainTranslator]: Completed pre-run [2019-12-28 02:31:46,454 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-28 02:31:46,536 INFO L208 MainTranslator]: Completed translation [2019-12-28 02:31:46,536 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:31:46 WrapperNode [2019-12-28 02:31:46,536 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-28 02:31:46,538 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-28 02:31:46,538 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-28 02:31:46,539 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-28 02:31:46,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:31:46" (1/1) ... [2019-12-28 02:31:46,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:31:46" (1/1) ... [2019-12-28 02:31:46,605 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-28 02:31:46,606 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-28 02:31:46,606 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-28 02:31:46,606 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-28 02:31:46,618 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:31:46" (1/1) ... [2019-12-28 02:31:46,619 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:31:46" (1/1) ... [2019-12-28 02:31:46,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:31:46" (1/1) ... [2019-12-28 02:31:46,624 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:31:46" (1/1) ... [2019-12-28 02:31:46,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:31:46" (1/1) ... [2019-12-28 02:31:46,638 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:31:46" (1/1) ... [2019-12-28 02:31:46,642 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:31:46" (1/1) ... [2019-12-28 02:31:46,647 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-28 02:31:46,648 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-28 02:31:46,648 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-28 02:31:46,648 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-28 02:31:46,649 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:31:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-28 02:31:46,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-28 02:31:46,734 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-28 02:31:46,734 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-28 02:31:46,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-28 02:31:46,735 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-28 02:31:46,735 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-28 02:31:46,735 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-28 02:31:46,735 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-28 02:31:46,735 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-28 02:31:46,736 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-28 02:31:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-28 02:31:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-28 02:31:46,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-28 02:31:46,738 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-28 02:31:47,485 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-28 02:31:47,486 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-28 02:31:47,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 02:31:47 BoogieIcfgContainer [2019-12-28 02:31:47,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-28 02:31:47,489 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-28 02:31:47,489 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-28 02:31:47,492 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-28 02:31:47,493 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.12 02:31:45" (1/3) ... [2019-12-28 02:31:47,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a02f48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 02:31:47, skipping insertion in model container [2019-12-28 02:31:47,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.12 02:31:46" (2/3) ... [2019-12-28 02:31:47,494 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20a02f48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.12 02:31:47, skipping insertion in model container [2019-12-28 02:31:47,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.12 02:31:47" (3/3) ... [2019-12-28 02:31:47,496 INFO L109 eAbstractionObserver]: Analyzing ICFG mix042_rmo.opt.i [2019-12-28 02:31:47,507 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-28 02:31:47,507 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-28 02:31:47,515 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-28 02:31:47,516 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-28 02:31:47,552 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,552 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,553 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,553 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,553 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,554 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,554 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,555 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,555 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,555 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,555 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,556 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,556 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,556 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,556 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,557 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,557 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,557 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,558 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,558 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,558 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,558 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,559 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,559 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,560 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,560 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,560 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,560 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,561 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,561 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,561 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,561 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,562 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,562 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,562 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,562 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,564 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,564 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,564 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,564 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,564 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,565 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,565 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,565 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,566 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,566 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,566 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,566 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,567 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,567 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,567 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,567 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,568 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,568 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,568 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,568 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,569 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,569 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,569 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,569 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,570 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,570 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,570 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,570 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,570 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,571 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,571 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,571 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,571 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,572 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,576 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,576 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,577 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,577 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,577 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,577 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,577 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,578 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,578 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,578 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,581 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,582 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,582 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,582 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,583 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,583 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,597 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,598 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,598 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,598 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,598 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,598 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,605 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,606 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,606 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,606 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-28 02:31:47,618 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-28 02:31:47,638 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-28 02:31:47,638 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-28 02:31:47,638 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-28 02:31:47,638 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-28 02:31:47,638 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-28 02:31:47,639 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-28 02:31:47,639 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-28 02:31:47,639 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-28 02:31:47,654 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 165 places, 196 transitions [2019-12-28 02:32:01,785 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 92468 states. [2019-12-28 02:32:01,787 INFO L276 IsEmpty]: Start isEmpty. Operand 92468 states. [2019-12-28 02:32:01,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-12-28 02:32:01,801 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 02:32:01,802 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] [2019-12-28 02:32:01,803 INFO L410 AbstractCegarLoop]: === Iteration 1 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 02:32:01,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 02:32:01,810 INFO L82 PathProgramCache]: Analyzing trace with hash 2022116044, now seen corresponding path program 1 times [2019-12-28 02:32:01,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 02:32:01,822 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565349131] [2019-12-28 02:32:01,822 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 02:32:01,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 02:32:02,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 02:32:02,157 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565349131] [2019-12-28 02:32:02,158 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 02:32:02,158 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-28 02:32:02,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [979016734] [2019-12-28 02:32:02,160 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 02:32:02,168 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 02:32:02,195 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 48 states and 47 transitions. [2019-12-28 02:32:02,196 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 02:32:02,200 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 02:32:02,201 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-28 02:32:02,201 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 02:32:02,216 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-28 02:32:02,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-28 02:32:02,219 INFO L87 Difference]: Start difference. First operand 92468 states. Second operand 4 states. [2019-12-28 02:32:05,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 02:32:05,428 INFO L93 Difference]: Finished difference Result 96404 states and 448740 transitions. [2019-12-28 02:32:05,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-28 02:32:05,430 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2019-12-28 02:32:05,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 02:32:06,094 INFO L225 Difference]: With dead ends: 96404 [2019-12-28 02:32:06,095 INFO L226 Difference]: Without dead ends: 85524 [2019-12-28 02:32:06,099 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-28 02:32:07,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85524 states. [2019-12-28 02:32:11,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85524 to 85524. [2019-12-28 02:32:11,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85524 states. [2019-12-28 02:32:11,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85524 states to 85524 states and 400700 transitions. [2019-12-28 02:32:11,738 INFO L78 Accepts]: Start accepts. Automaton has 85524 states and 400700 transitions. Word has length 47 [2019-12-28 02:32:11,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 02:32:14,508 INFO L462 AbstractCegarLoop]: Abstraction has 85524 states and 400700 transitions. [2019-12-28 02:32:14,508 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-28 02:32:14,508 INFO L276 IsEmpty]: Start isEmpty. Operand 85524 states and 400700 transitions. [2019-12-28 02:32:14,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-28 02:32:14,522 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 02:32:14,522 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 02:32:14,523 INFO L410 AbstractCegarLoop]: === Iteration 2 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 02:32:14,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 02:32:14,523 INFO L82 PathProgramCache]: Analyzing trace with hash 284606610, now seen corresponding path program 1 times [2019-12-28 02:32:14,524 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 02:32:14,524 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051173109] [2019-12-28 02:32:14,525 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 02:32:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 02:32:14,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 02:32:14,662 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051173109] [2019-12-28 02:32:14,663 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 02:32:14,663 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 02:32:14,663 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [156137848] [2019-12-28 02:32:14,663 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 02:32:14,670 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 02:32:14,680 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 83 states and 110 transitions. [2019-12-28 02:32:14,680 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 02:32:14,743 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 4 times. [2019-12-28 02:32:14,744 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-28 02:32:14,745 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 02:32:14,745 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-28 02:32:14,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-28 02:32:14,745 INFO L87 Difference]: Start difference. First operand 85524 states and 400700 transitions. Second operand 6 states. [2019-12-28 02:32:16,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 02:32:16,763 INFO L93 Difference]: Finished difference Result 139652 states and 623536 transitions. [2019-12-28 02:32:16,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 02:32:16,763 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2019-12-28 02:32:16,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 02:32:17,505 INFO L225 Difference]: With dead ends: 139652 [2019-12-28 02:32:17,505 INFO L226 Difference]: Without dead ends: 138932 [2019-12-28 02:32:17,506 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-12-28 02:32:18,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138932 states. [2019-12-28 02:32:24,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138932 to 132788. [2019-12-28 02:32:24,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132788 states. [2019-12-28 02:32:30,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132788 states to 132788 states and 597164 transitions. [2019-12-28 02:32:30,799 INFO L78 Accepts]: Start accepts. Automaton has 132788 states and 597164 transitions. Word has length 54 [2019-12-28 02:32:30,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 02:32:30,800 INFO L462 AbstractCegarLoop]: Abstraction has 132788 states and 597164 transitions. [2019-12-28 02:32:30,800 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-28 02:32:30,800 INFO L276 IsEmpty]: Start isEmpty. Operand 132788 states and 597164 transitions. [2019-12-28 02:32:30,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2019-12-28 02:32:30,810 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 02:32:30,810 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 02:32:30,810 INFO L410 AbstractCegarLoop]: === Iteration 3 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 02:32:30,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 02:32:30,811 INFO L82 PathProgramCache]: Analyzing trace with hash 800559772, now seen corresponding path program 1 times [2019-12-28 02:32:30,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 02:32:30,812 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118935020] [2019-12-28 02:32:30,812 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 02:32:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 02:32:30,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 02:32:30,914 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118935020] [2019-12-28 02:32:30,914 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 02:32:30,914 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 02:32:30,915 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1733109800] [2019-12-28 02:32:30,916 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 02:32:30,921 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 02:32:30,927 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 56 states and 55 transitions. [2019-12-28 02:32:30,928 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 02:32:30,929 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 02:32:30,929 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-28 02:32:30,929 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 02:32:30,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-28 02:32:30,930 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-28 02:32:30,930 INFO L87 Difference]: Start difference. First operand 132788 states and 597164 transitions. Second operand 5 states. [2019-12-28 02:32:33,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 02:32:33,418 INFO L93 Difference]: Finished difference Result 161556 states and 717784 transitions. [2019-12-28 02:32:33,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 02:32:33,418 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 55 [2019-12-28 02:32:33,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 02:32:34,049 INFO L225 Difference]: With dead ends: 161556 [2019-12-28 02:32:34,049 INFO L226 Difference]: Without dead ends: 160756 [2019-12-28 02:32:34,050 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-12-28 02:32:34,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160756 states. [2019-12-28 02:32:42,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160756 to 139080. [2019-12-28 02:32:42,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139080 states. [2019-12-28 02:32:42,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139080 states to 139080 states and 623067 transitions. [2019-12-28 02:32:42,839 INFO L78 Accepts]: Start accepts. Automaton has 139080 states and 623067 transitions. Word has length 55 [2019-12-28 02:32:42,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 02:32:42,841 INFO L462 AbstractCegarLoop]: Abstraction has 139080 states and 623067 transitions. [2019-12-28 02:32:42,841 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-28 02:32:42,841 INFO L276 IsEmpty]: Start isEmpty. Operand 139080 states and 623067 transitions. [2019-12-28 02:32:42,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-12-28 02:32:42,884 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 02:32:42,884 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 02:32:42,884 INFO L410 AbstractCegarLoop]: === Iteration 4 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 02:32:42,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 02:32:42,884 INFO L82 PathProgramCache]: Analyzing trace with hash 157601474, now seen corresponding path program 1 times [2019-12-28 02:32:42,885 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 02:32:42,885 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45146699] [2019-12-28 02:32:42,885 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 02:32:42,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 02:32:43,036 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 02:32:43,036 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45146699] [2019-12-28 02:32:43,036 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 02:32:43,037 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 02:32:43,037 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [673962027] [2019-12-28 02:32:43,037 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 02:32:43,044 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 02:32:43,055 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 67 states and 70 transitions. [2019-12-28 02:32:43,055 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 02:32:43,056 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 02:32:43,056 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-28 02:32:43,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 02:32:43,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-28 02:32:43,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-28 02:32:43,057 INFO L87 Difference]: Start difference. First operand 139080 states and 623067 transitions. Second operand 6 states. [2019-12-28 02:32:45,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 02:32:45,770 INFO L93 Difference]: Finished difference Result 183584 states and 805093 transitions. [2019-12-28 02:32:45,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2019-12-28 02:32:45,770 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2019-12-28 02:32:45,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 02:32:53,069 INFO L225 Difference]: With dead ends: 183584 [2019-12-28 02:32:53,069 INFO L226 Difference]: Without dead ends: 182864 [2019-12-28 02:32:53,070 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2019-12-28 02:32:53,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182864 states. [2019-12-28 02:32:56,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182864 to 134932. [2019-12-28 02:32:56,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134932 states. [2019-12-28 02:32:57,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134932 states to 134932 states and 604576 transitions. [2019-12-28 02:32:57,063 INFO L78 Accepts]: Start accepts. Automaton has 134932 states and 604576 transitions. Word has length 62 [2019-12-28 02:32:57,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 02:32:57,064 INFO L462 AbstractCegarLoop]: Abstraction has 134932 states and 604576 transitions. [2019-12-28 02:32:57,064 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-28 02:32:57,064 INFO L276 IsEmpty]: Start isEmpty. Operand 134932 states and 604576 transitions. [2019-12-28 02:32:57,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-12-28 02:32:57,144 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 02:32:57,144 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 02:32:57,144 INFO L410 AbstractCegarLoop]: === Iteration 5 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 02:32:57,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 02:32:57,145 INFO L82 PathProgramCache]: Analyzing trace with hash -645603360, now seen corresponding path program 1 times [2019-12-28 02:32:57,145 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 02:32:57,145 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158161009] [2019-12-28 02:32:57,145 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 02:32:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 02:32:57,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 02:32:57,270 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158161009] [2019-12-28 02:32:57,270 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 02:32:57,270 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 02:32:57,270 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1427163097] [2019-12-28 02:32:57,271 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 02:32:57,281 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 02:32:57,297 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 70 states and 69 transitions. [2019-12-28 02:32:57,297 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 02:32:57,299 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 02:32:57,299 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-28 02:32:57,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 02:32:57,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-28 02:32:57,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-28 02:32:57,300 INFO L87 Difference]: Start difference. First operand 134932 states and 604576 transitions. Second operand 6 states. [2019-12-28 02:32:59,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 02:32:59,743 INFO L93 Difference]: Finished difference Result 185116 states and 812730 transitions. [2019-12-28 02:32:59,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-12-28 02:32:59,744 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 69 [2019-12-28 02:32:59,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 02:33:01,909 INFO L225 Difference]: With dead ends: 185116 [2019-12-28 02:33:01,909 INFO L226 Difference]: Without dead ends: 183916 [2019-12-28 02:33:01,910 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2019-12-28 02:33:02,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183916 states. [2019-12-28 02:33:12,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183916 to 160432. [2019-12-28 02:33:12,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160432 states. [2019-12-28 02:33:12,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160432 states to 160432 states and 711517 transitions. [2019-12-28 02:33:12,802 INFO L78 Accepts]: Start accepts. Automaton has 160432 states and 711517 transitions. Word has length 69 [2019-12-28 02:33:12,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 02:33:12,803 INFO L462 AbstractCegarLoop]: Abstraction has 160432 states and 711517 transitions. [2019-12-28 02:33:12,803 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-28 02:33:12,803 INFO L276 IsEmpty]: Start isEmpty. Operand 160432 states and 711517 transitions. [2019-12-28 02:33:13,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-12-28 02:33:13,963 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 02:33:13,963 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 02:33:13,963 INFO L410 AbstractCegarLoop]: === Iteration 6 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 02:33:13,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 02:33:13,963 INFO L82 PathProgramCache]: Analyzing trace with hash -863372556, now seen corresponding path program 1 times [2019-12-28 02:33:13,964 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 02:33:13,964 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1630060369] [2019-12-28 02:33:13,964 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 02:33:13,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 02:33:14,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 02:33:14,032 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1630060369] [2019-12-28 02:33:14,032 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 02:33:14,032 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-28 02:33:14,032 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1022470863] [2019-12-28 02:33:14,032 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 02:33:14,043 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 02:33:14,059 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 72 states and 71 transitions. [2019-12-28 02:33:14,059 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 02:33:14,060 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 02:33:14,060 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-28 02:33:14,060 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 02:33:14,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-28 02:33:14,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-28 02:33:14,061 INFO L87 Difference]: Start difference. First operand 160432 states and 711517 transitions. Second operand 3 states. [2019-12-28 02:33:21,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 02:33:21,800 INFO L93 Difference]: Finished difference Result 202240 states and 884077 transitions. [2019-12-28 02:33:21,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-28 02:33:21,800 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2019-12-28 02:33:21,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 02:33:22,504 INFO L225 Difference]: With dead ends: 202240 [2019-12-28 02:33:22,504 INFO L226 Difference]: Without dead ends: 202240 [2019-12-28 02:33:22,505 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-28 02:33:23,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202240 states. [2019-12-28 02:33:26,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202240 to 176152. [2019-12-28 02:33:26,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176152 states. [2019-12-28 02:33:28,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176152 states to 176152 states and 777059 transitions. [2019-12-28 02:33:28,207 INFO L78 Accepts]: Start accepts. Automaton has 176152 states and 777059 transitions. Word has length 71 [2019-12-28 02:33:28,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 02:33:28,207 INFO L462 AbstractCegarLoop]: Abstraction has 176152 states and 777059 transitions. [2019-12-28 02:33:28,207 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-28 02:33:28,208 INFO L276 IsEmpty]: Start isEmpty. Operand 176152 states and 777059 transitions. [2019-12-28 02:33:28,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-28 02:33:28,385 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 02:33:28,385 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 02:33:28,385 INFO L410 AbstractCegarLoop]: === Iteration 7 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 02:33:28,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 02:33:28,385 INFO L82 PathProgramCache]: Analyzing trace with hash -1791212561, now seen corresponding path program 1 times [2019-12-28 02:33:28,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 02:33:28,386 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976469704] [2019-12-28 02:33:28,387 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 02:33:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 02:33:28,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 02:33:28,532 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976469704] [2019-12-28 02:33:28,532 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 02:33:28,533 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 02:33:28,533 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [873341411] [2019-12-28 02:33:28,533 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 02:33:28,547 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 02:33:28,565 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 76 states and 75 transitions. [2019-12-28 02:33:28,565 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 02:33:28,565 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 02:33:28,566 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 02:33:28,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 02:33:28,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 02:33:28,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-28 02:33:28,566 INFO L87 Difference]: Start difference. First operand 176152 states and 777059 transitions. Second operand 7 states. [2019-12-28 02:33:36,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 02:33:36,072 INFO L93 Difference]: Finished difference Result 224104 states and 971735 transitions. [2019-12-28 02:33:36,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-28 02:33:36,073 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 75 [2019-12-28 02:33:36,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 02:33:37,602 INFO L225 Difference]: With dead ends: 224104 [2019-12-28 02:33:37,602 INFO L226 Difference]: Without dead ends: 222904 [2019-12-28 02:33:37,602 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2019-12-28 02:33:38,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222904 states. [2019-12-28 02:33:42,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222904 to 180728. [2019-12-28 02:33:42,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180728 states. [2019-12-28 02:33:43,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180728 states to 180728 states and 796151 transitions. [2019-12-28 02:33:43,775 INFO L78 Accepts]: Start accepts. Automaton has 180728 states and 796151 transitions. Word has length 75 [2019-12-28 02:33:43,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 02:33:43,775 INFO L462 AbstractCegarLoop]: Abstraction has 180728 states and 796151 transitions. [2019-12-28 02:33:43,776 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 02:33:43,776 INFO L276 IsEmpty]: Start isEmpty. Operand 180728 states and 796151 transitions. [2019-12-28 02:33:43,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-12-28 02:33:43,930 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 02:33:43,930 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 02:33:43,930 INFO L410 AbstractCegarLoop]: === Iteration 8 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 02:33:43,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 02:33:43,930 INFO L82 PathProgramCache]: Analyzing trace with hash -2126066434, now seen corresponding path program 1 times [2019-12-28 02:33:43,931 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 02:33:43,931 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [765234332] [2019-12-28 02:33:43,931 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 02:33:43,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 02:33:44,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 02:33:44,038 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [765234332] [2019-12-28 02:33:44,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 02:33:44,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-28 02:33:44,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1139375354] [2019-12-28 02:33:44,039 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 02:33:44,051 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 02:33:44,085 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 95 states and 103 transitions. [2019-12-28 02:33:44,085 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 02:33:44,086 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 02:33:44,086 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-28 02:33:44,087 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 02:33:44,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-28 02:33:44,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-28 02:33:44,088 INFO L87 Difference]: Start difference. First operand 180728 states and 796151 transitions. Second operand 5 states. [2019-12-28 02:33:55,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 02:33:55,112 INFO L93 Difference]: Finished difference Result 518044 states and 2309890 transitions. [2019-12-28 02:33:55,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-12-28 02:33:55,112 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2019-12-28 02:33:55,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 02:33:57,098 INFO L225 Difference]: With dead ends: 518044 [2019-12-28 02:33:57,098 INFO L226 Difference]: Without dead ends: 518044 [2019-12-28 02:33:57,099 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-28 02:34:07,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518044 states. [2019-12-28 02:34:14,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518044 to 223128. [2019-12-28 02:34:14,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223128 states. [2019-12-28 02:34:15,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223128 states to 223128 states and 983327 transitions. [2019-12-28 02:34:15,227 INFO L78 Accepts]: Start accepts. Automaton has 223128 states and 983327 transitions. Word has length 76 [2019-12-28 02:34:15,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 02:34:15,228 INFO L462 AbstractCegarLoop]: Abstraction has 223128 states and 983327 transitions. [2019-12-28 02:34:15,228 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-28 02:34:15,228 INFO L276 IsEmpty]: Start isEmpty. Operand 223128 states and 983327 transitions. [2019-12-28 02:34:17,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-12-28 02:34:17,255 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 02:34:17,255 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 02:34:17,255 INFO L410 AbstractCegarLoop]: === Iteration 9 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 02:34:17,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 02:34:17,255 INFO L82 PathProgramCache]: Analyzing trace with hash -383256099, now seen corresponding path program 1 times [2019-12-28 02:34:17,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 02:34:17,256 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051770499] [2019-12-28 02:34:17,256 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 02:34:17,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 02:34:17,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 02:34:17,366 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051770499] [2019-12-28 02:34:17,366 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 02:34:17,367 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-28 02:34:17,367 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1821830158] [2019-12-28 02:34:17,367 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 02:34:17,379 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 02:34:17,405 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 86 states and 92 transitions. [2019-12-28 02:34:17,406 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 02:34:17,406 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 02:34:17,406 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-28 02:34:17,407 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 02:34:17,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-28 02:34:17,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-12-28 02:34:17,407 INFO L87 Difference]: Start difference. First operand 223128 states and 983327 transitions. Second operand 7 states. [2019-12-28 02:34:27,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 02:34:27,662 INFO L93 Difference]: Finished difference Result 264184 states and 1148531 transitions. [2019-12-28 02:34:27,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2019-12-28 02:34:27,663 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 76 [2019-12-28 02:34:27,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 02:34:28,606 INFO L225 Difference]: With dead ends: 264184 [2019-12-28 02:34:28,607 INFO L226 Difference]: Without dead ends: 263184 [2019-12-28 02:34:28,607 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2019-12-28 02:34:30,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263184 states. [2019-12-28 02:34:35,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263184 to 226216. [2019-12-28 02:34:35,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226216 states. [2019-12-28 02:34:36,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226216 states to 226216 states and 995803 transitions. [2019-12-28 02:34:36,131 INFO L78 Accepts]: Start accepts. Automaton has 226216 states and 995803 transitions. Word has length 76 [2019-12-28 02:34:36,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-28 02:34:36,131 INFO L462 AbstractCegarLoop]: Abstraction has 226216 states and 995803 transitions. [2019-12-28 02:34:36,131 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-28 02:34:36,131 INFO L276 IsEmpty]: Start isEmpty. Operand 226216 states and 995803 transitions. [2019-12-28 02:34:36,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-12-28 02:34:36,405 INFO L403 BasicCegarLoop]: Found error trace [2019-12-28 02:34:36,405 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-28 02:34:36,406 INFO L410 AbstractCegarLoop]: === Iteration 10 === [P2Err0ASSERT_VIOLATIONERROR_FUNCTION, P2Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-28 02:34:36,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-28 02:34:36,406 INFO L82 PathProgramCache]: Analyzing trace with hash 1057305479, now seen corresponding path program 1 times [2019-12-28 02:34:36,407 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-28 02:34:36,410 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678991358] [2019-12-28 02:34:36,410 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-28 02:34:36,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-28 02:34:42,416 WARN L192 SmtUtils]: Spent 5.91 s on a formula simplification. DAG size of input: 27 DAG size of output: 10 [2019-12-28 02:34:42,442 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-28 02:34:42,443 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678991358] [2019-12-28 02:34:42,443 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-28 02:34:42,444 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-28 02:34:42,444 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [362625624] [2019-12-28 02:34:42,444 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-28 02:34:42,465 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-28 02:34:42,493 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 81 states and 82 transitions. [2019-12-28 02:34:42,494 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-28 02:34:42,494 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-28 02:34:42,495 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-28 02:34:42,495 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-28 02:34:42,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-28 02:34:42,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-28 02:34:42,497 INFO L87 Difference]: Start difference. First operand 226216 states and 995803 transitions. Second operand 6 states. [2019-12-28 02:34:45,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-28 02:34:45,324 INFO L93 Difference]: Finished difference Result 308424 states and 1349959 transitions. [2019-12-28 02:34:45,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-28 02:34:45,324 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 78 [2019-12-28 02:34:45,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-28 02:34:46,369 INFO L225 Difference]: With dead ends: 308424 [2019-12-28 02:34:46,369 INFO L226 Difference]: Without dead ends: 305848 [2019-12-28 02:34:46,369 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 Received shutdown request... [2019-12-28 02:34:48,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305848 states. [2019-12-28 02:34:48,659 WARN L527 AbstractCegarLoop]: Verification canceled [2019-12-28 02:34:48,663 WARN L227 ceAbstractionStarter]: Timeout [2019-12-28 02:34:48,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.12 02:34:48 BasicIcfg [2019-12-28 02:34:48,663 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-28 02:34:48,665 INFO L168 Benchmark]: Toolchain (without parser) took 182889.52 ms. Allocated memory was 146.3 MB in the beginning and 4.6 GB in the end (delta: 4.4 GB). Free memory was 101.0 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.9 GB. Max. memory is 7.1 GB. [2019-12-28 02:34:48,666 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 146.3 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-28 02:34:48,667 INFO L168 Benchmark]: CACSL2BoogieTranslator took 760.24 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 100.6 MB in the beginning and 157.6 MB in the end (delta: -57.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-12-28 02:34:48,667 INFO L168 Benchmark]: Boogie Procedure Inliner took 67.89 ms. Allocated memory is still 203.9 MB. Free memory was 157.6 MB in the beginning and 154.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-12-28 02:34:48,668 INFO L168 Benchmark]: Boogie Preprocessor took 41.72 ms. Allocated memory is still 203.9 MB. Free memory was 154.3 MB in the beginning and 152.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-28 02:34:48,669 INFO L168 Benchmark]: RCFGBuilder took 840.07 ms. Allocated memory is still 203.9 MB. Free memory was 152.4 MB in the beginning and 105.0 MB in the end (delta: 47.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 7.1 GB. [2019-12-28 02:34:48,670 INFO L168 Benchmark]: TraceAbstraction took 181174.47 ms. Allocated memory was 203.9 MB in the beginning and 4.6 GB in the end (delta: 4.4 GB). Free memory was 105.0 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. [2019-12-28 02:34:48,673 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 146.3 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 760.24 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 100.6 MB in the beginning and 157.6 MB in the end (delta: -57.0 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 67.89 ms. Allocated memory is still 203.9 MB. Free memory was 157.6 MB in the beginning and 154.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 41.72 ms. Allocated memory is still 203.9 MB. Free memory was 154.3 MB in the beginning and 152.4 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 840.07 ms. Allocated memory is still 203.9 MB. Free memory was 152.4 MB in the beginning and 105.0 MB in the end (delta: 47.4 MB). Peak memory consumption was 47.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 181174.47 ms. Allocated memory was 203.9 MB in the beginning and 4.6 GB in the end (delta: 4.4 GB). Free memory was 105.0 MB in the beginning and 2.1 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.8 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 4]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 4). Cancelled while executing MinimizeSevpa. - TimeoutResultAtElement [Line: 4]: Timeout (TraceAbstraction) Unable to prove that call of __VERIFIER_error() unreachable (line 4). Cancelled while executing MinimizeSevpa. - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 156 locations, 2 error locations. Result: TIMEOUT, OverallTime: 181.0s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 69.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 3483 SDtfs, 4577 SDslu, 8114 SDs, 0 SdLazy, 3379 SolverSat, 295 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 6.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=226216occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 82.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 499384 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 6.8s InterpolantComputationTime, 663 NumberOfCodeBlocks, 663 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 653 ConstructedInterpolants, 0 QuantifiedInterpolants, 97734 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 10 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown