/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-wmm/mix054_rmo.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-26 23:00:20,359 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-26 23:00:20,362 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-26 23:00:20,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-26 23:00:20,382 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-26 23:00:20,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-26 23:00:20,386 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-26 23:00:20,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-26 23:00:20,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-26 23:00:20,403 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-26 23:00:20,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-26 23:00:20,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-26 23:00:20,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-26 23:00:20,411 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-26 23:00:20,413 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-26 23:00:20,415 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-26 23:00:20,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-26 23:00:20,416 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-26 23:00:20,420 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-26 23:00:20,426 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-26 23:00:20,428 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-26 23:00:20,429 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-26 23:00:20,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-26 23:00:20,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-26 23:00:20,435 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-26 23:00:20,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-26 23:00:20,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-26 23:00:20,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-26 23:00:20,443 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-26 23:00:20,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-26 23:00:20,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-26 23:00:20,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-26 23:00:20,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-26 23:00:20,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-26 23:00:20,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-26 23:00:20,450 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-26 23:00:20,451 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-26 23:00:20,470 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-26 23:00:20,470 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-26 23:00:20,473 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-26 23:00:20,473 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-26 23:00:20,473 INFO L138 SettingsManager]: * Use SBE=true [2019-12-26 23:00:20,473 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-26 23:00:20,473 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-26 23:00:20,474 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-26 23:00:20,474 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-26 23:00:20,474 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-26 23:00:20,475 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-26 23:00:20,475 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-26 23:00:20,476 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-26 23:00:20,476 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-26 23:00:20,476 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-26 23:00:20,476 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-26 23:00:20,477 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-26 23:00:20,477 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-26 23:00:20,477 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-26 23:00:20,477 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-26 23:00:20,477 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-26 23:00:20,478 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-26 23:00:20,478 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-26 23:00:20,478 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-26 23:00:20,478 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-26 23:00:20,478 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-26 23:00:20,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-26 23:00:20,479 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-26 23:00:20,479 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-26 23:00:20,479 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-26 23:00:20,767 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-26 23:00:20,785 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-26 23:00:20,789 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-26 23:00:20,791 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-26 23:00:20,791 INFO L275 PluginConnector]: CDTParser initialized [2019-12-26 23:00:20,792 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/mix054_rmo.opt.i [2019-12-26 23:00:20,860 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ec9f7755/2abcf435a16845af857de86e8f39a128/FLAGee671164e [2019-12-26 23:00:21,419 INFO L306 CDTParser]: Found 1 translation units. [2019-12-26 23:00:21,421 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/mix054_rmo.opt.i [2019-12-26 23:00:21,443 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ec9f7755/2abcf435a16845af857de86e8f39a128/FLAGee671164e [2019-12-26 23:00:21,703 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3ec9f7755/2abcf435a16845af857de86e8f39a128 [2019-12-26 23:00:21,714 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-26 23:00:21,716 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-26 23:00:21,717 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-26 23:00:21,717 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-26 23:00:21,720 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-26 23:00:21,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.12 11:00:21" (1/1) ... [2019-12-26 23:00:21,724 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b973043 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:00:21, skipping insertion in model container [2019-12-26 23:00:21,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.12 11:00:21" (1/1) ... [2019-12-26 23:00:21,732 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-26 23:00:21,792 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-26 23:00:22,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-26 23:00:22,272 INFO L203 MainTranslator]: Completed pre-run [2019-12-26 23:00:22,338 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-26 23:00:22,416 INFO L208 MainTranslator]: Completed translation [2019-12-26 23:00:22,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:00:22 WrapperNode [2019-12-26 23:00:22,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-26 23:00:22,417 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-26 23:00:22,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-26 23:00:22,418 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-26 23:00:22,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:00:22" (1/1) ... [2019-12-26 23:00:22,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:00:22" (1/1) ... [2019-12-26 23:00:22,486 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-26 23:00:22,486 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-26 23:00:22,486 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-26 23:00:22,486 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-26 23:00:22,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:00:22" (1/1) ... [2019-12-26 23:00:22,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:00:22" (1/1) ... [2019-12-26 23:00:22,502 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:00:22" (1/1) ... [2019-12-26 23:00:22,502 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:00:22" (1/1) ... [2019-12-26 23:00:22,512 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:00:22" (1/1) ... [2019-12-26 23:00:22,516 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:00:22" (1/1) ... [2019-12-26 23:00:22,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:00:22" (1/1) ... [2019-12-26 23:00:22,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-26 23:00:22,525 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-26 23:00:22,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-26 23:00:22,525 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-26 23:00:22,526 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:00:22" (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 [2019-12-26 23:00:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-26 23:00:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-26 23:00:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-26 23:00:22,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-26 23:00:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-26 23:00:22,599 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-26 23:00:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-26 23:00:22,599 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-26 23:00:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-26 23:00:22,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-26 23:00:22,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-26 23:00:22,602 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-26 23:00:23,343 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-26 23:00:23,343 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-26 23:00:23,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.12 11:00:23 BoogieIcfgContainer [2019-12-26 23:00:23,345 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-26 23:00:23,346 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-26 23:00:23,346 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-26 23:00:23,349 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-26 23:00:23,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.12 11:00:21" (1/3) ... [2019-12-26 23:00:23,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10feffdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.12 11:00:23, skipping insertion in model container [2019-12-26 23:00:23,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.12 11:00:22" (2/3) ... [2019-12-26 23:00:23,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10feffdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.12 11:00:23, skipping insertion in model container [2019-12-26 23:00:23,352 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.12 11:00:23" (3/3) ... [2019-12-26 23:00:23,353 INFO L109 eAbstractionObserver]: Analyzing ICFG mix054_rmo.opt.i [2019-12-26 23:00:23,364 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-26 23:00:23,364 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-26 23:00:23,372 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-26 23:00:23,373 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-26 23:00:23,408 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,409 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,409 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,409 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,410 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,410 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,410 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,410 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,411 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,411 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,411 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,412 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,412 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,412 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,412 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,413 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,413 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,413 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,414 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,414 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,414 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,414 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,415 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,415 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,415 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,416 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,416 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,416 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,417 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,417 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,418 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,418 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,418 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,418 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,419 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,419 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,419 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,419 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,420 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,420 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,420 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,421 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,421 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,421 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,422 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,422 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,422 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,422 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,423 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,423 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,423 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,423 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,424 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,424 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,424 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,425 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,425 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,425 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,425 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,426 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,426 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,426 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,426 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,427 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,431 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,431 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,431 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,432 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,432 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,432 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,432 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,433 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,433 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,433 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,436 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,436 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,437 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,437 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,437 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,437 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,438 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,438 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,438 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,438 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,439 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,439 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-26 23:00:23,456 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-26 23:00:23,480 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-26 23:00:23,480 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-26 23:00:23,481 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-26 23:00:23,481 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-26 23:00:23,481 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-26 23:00:23,481 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-26 23:00:23,481 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-26 23:00:23,482 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-26 23:00:23,523 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 146 places, 180 transitions [2019-12-26 23:00:23,525 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 146 places, 180 transitions [2019-12-26 23:00:23,620 INFO L132 PetriNetUnfolder]: 41/178 cut-off events. [2019-12-26 23:00:23,620 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-26 23:00:23,635 INFO L76 FinitePrefix]: Finished finitePrefix Result has 185 conditions, 178 events. 41/178 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 266 event pairs. 0/135 useless extension candidates. Maximal degree in co-relation 150. Up to 2 conditions per place. [2019-12-26 23:00:23,653 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 146 places, 180 transitions [2019-12-26 23:00:23,699 INFO L132 PetriNetUnfolder]: 41/178 cut-off events. [2019-12-26 23:00:23,699 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-26 23:00:23,705 INFO L76 FinitePrefix]: Finished finitePrefix Result has 185 conditions, 178 events. 41/178 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 266 event pairs. 0/135 useless extension candidates. Maximal degree in co-relation 150. Up to 2 conditions per place. [2019-12-26 23:00:23,718 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 10378 [2019-12-26 23:00:23,719 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-26 23:00:28,070 WARN L192 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2019-12-26 23:00:28,201 INFO L206 etLargeBlockEncoding]: Checked pairs total: 46078 [2019-12-26 23:00:28,201 INFO L214 etLargeBlockEncoding]: Total number of compositions: 100 [2019-12-26 23:00:28,205 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 78 places, 90 transitions [2019-12-26 23:00:28,635 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 8413 states. [2019-12-26 23:00:28,638 INFO L276 IsEmpty]: Start isEmpty. Operand 8413 states. [2019-12-26 23:00:28,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-12-26 23:00:28,644 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 23:00:28,645 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2019-12-26 23:00:28,645 INFO L410 AbstractCegarLoop]: === Iteration 1 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-26 23:00:28,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 23:00:28,652 INFO L82 PathProgramCache]: Analyzing trace with hash 693777882, now seen corresponding path program 1 times [2019-12-26 23:00:28,662 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 23:00:28,663 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471681625] [2019-12-26 23:00:28,663 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 23:00:28,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-26 23:00:28,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-26 23:00:28,901 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [471681625] [2019-12-26 23:00:28,902 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-26 23:00:28,902 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-26 23:00:28,903 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905221269] [2019-12-26 23:00:28,907 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-26 23:00:28,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-26 23:00:28,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-26 23:00:28,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-26 23:00:28,920 INFO L87 Difference]: Start difference. First operand 8413 states. Second operand 3 states. [2019-12-26 23:00:29,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-26 23:00:29,225 INFO L93 Difference]: Finished difference Result 8377 states and 27415 transitions. [2019-12-26 23:00:29,225 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-26 23:00:29,227 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 5 [2019-12-26 23:00:29,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-26 23:00:29,377 INFO L225 Difference]: With dead ends: 8377 [2019-12-26 23:00:29,377 INFO L226 Difference]: Without dead ends: 8208 [2019-12-26 23:00:29,379 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-26 23:00:29,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8208 states. [2019-12-26 23:00:29,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8208 to 8208. [2019-12-26 23:00:29,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8208 states. [2019-12-26 23:00:29,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8208 states to 8208 states and 26895 transitions. [2019-12-26 23:00:29,882 INFO L78 Accepts]: Start accepts. Automaton has 8208 states and 26895 transitions. Word has length 5 [2019-12-26 23:00:29,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-26 23:00:29,883 INFO L462 AbstractCegarLoop]: Abstraction has 8208 states and 26895 transitions. [2019-12-26 23:00:29,883 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-26 23:00:29,883 INFO L276 IsEmpty]: Start isEmpty. Operand 8208 states and 26895 transitions. [2019-12-26 23:00:29,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-26 23:00:29,885 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 23:00:29,886 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-26 23:00:29,886 INFO L410 AbstractCegarLoop]: === Iteration 2 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-26 23:00:29,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 23:00:29,886 INFO L82 PathProgramCache]: Analyzing trace with hash 2143808117, now seen corresponding path program 1 times [2019-12-26 23:00:29,887 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 23:00:29,887 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509994034] [2019-12-26 23:00:29,887 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 23:00:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-26 23:00:29,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-26 23:00:29,975 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509994034] [2019-12-26 23:00:29,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-26 23:00:29,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-26 23:00:29,975 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869844097] [2019-12-26 23:00:29,977 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-26 23:00:29,977 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-26 23:00:29,978 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-26 23:00:29,978 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-26 23:00:29,978 INFO L87 Difference]: Start difference. First operand 8208 states and 26895 transitions. Second operand 3 states. [2019-12-26 23:00:30,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-26 23:00:30,013 INFO L93 Difference]: Finished difference Result 1326 states and 3037 transitions. [2019-12-26 23:00:30,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-26 23:00:30,014 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2019-12-26 23:00:30,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-26 23:00:30,022 INFO L225 Difference]: With dead ends: 1326 [2019-12-26 23:00:30,022 INFO L226 Difference]: Without dead ends: 1326 [2019-12-26 23:00:30,023 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-26 23:00:30,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1326 states. [2019-12-26 23:00:30,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1326 to 1326. [2019-12-26 23:00:30,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1326 states. [2019-12-26 23:00:30,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1326 states and 3037 transitions. [2019-12-26 23:00:30,069 INFO L78 Accepts]: Start accepts. Automaton has 1326 states and 3037 transitions. Word has length 11 [2019-12-26 23:00:30,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-26 23:00:30,070 INFO L462 AbstractCegarLoop]: Abstraction has 1326 states and 3037 transitions. [2019-12-26 23:00:30,071 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-26 23:00:30,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1326 states and 3037 transitions. [2019-12-26 23:00:30,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-26 23:00:30,073 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 23:00:30,073 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-26 23:00:30,074 INFO L410 AbstractCegarLoop]: === Iteration 3 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-26 23:00:30,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 23:00:30,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1923085964, now seen corresponding path program 1 times [2019-12-26 23:00:30,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 23:00:30,076 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2028695988] [2019-12-26 23:00:30,076 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 23:00:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-26 23:00:30,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-26 23:00:30,232 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2028695988] [2019-12-26 23:00:30,232 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-26 23:00:30,232 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-26 23:00:30,232 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127625439] [2019-12-26 23:00:30,233 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-26 23:00:30,233 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-26 23:00:30,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-26 23:00:30,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-26 23:00:30,234 INFO L87 Difference]: Start difference. First operand 1326 states and 3037 transitions. Second operand 4 states. [2019-12-26 23:00:30,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-26 23:00:30,512 INFO L93 Difference]: Finished difference Result 1806 states and 4001 transitions. [2019-12-26 23:00:30,512 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-26 23:00:30,513 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-26 23:00:30,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-26 23:00:30,523 INFO L225 Difference]: With dead ends: 1806 [2019-12-26 23:00:30,523 INFO L226 Difference]: Without dead ends: 1806 [2019-12-26 23:00:30,524 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-26 23:00:30,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1806 states. [2019-12-26 23:00:30,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1806 to 1654. [2019-12-26 23:00:30,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1654 states. [2019-12-26 23:00:30,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1654 states and 3712 transitions. [2019-12-26 23:00:30,578 INFO L78 Accepts]: Start accepts. Automaton has 1654 states and 3712 transitions. Word has length 11 [2019-12-26 23:00:30,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-26 23:00:30,578 INFO L462 AbstractCegarLoop]: Abstraction has 1654 states and 3712 transitions. [2019-12-26 23:00:30,578 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-26 23:00:30,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 3712 transitions. [2019-12-26 23:00:30,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-12-26 23:00:30,587 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 23:00:30,587 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] [2019-12-26 23:00:30,587 INFO L410 AbstractCegarLoop]: === Iteration 4 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-26 23:00:30,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 23:00:30,588 INFO L82 PathProgramCache]: Analyzing trace with hash 909891733, now seen corresponding path program 1 times [2019-12-26 23:00:30,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 23:00:30,589 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [762448031] [2019-12-26 23:00:30,589 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 23:00:30,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-26 23:00:30,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-26 23:00:30,679 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [762448031] [2019-12-26 23:00:30,679 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-26 23:00:30,679 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-26 23:00:30,679 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1260611033] [2019-12-26 23:00:30,683 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-26 23:00:30,684 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-26 23:00:30,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-26 23:00:30,684 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-26 23:00:30,684 INFO L87 Difference]: Start difference. First operand 1654 states and 3712 transitions. Second operand 4 states. [2019-12-26 23:00:30,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-26 23:00:30,700 INFO L93 Difference]: Finished difference Result 356 states and 659 transitions. [2019-12-26 23:00:30,700 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-26 23:00:30,701 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2019-12-26 23:00:30,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-26 23:00:30,703 INFO L225 Difference]: With dead ends: 356 [2019-12-26 23:00:30,703 INFO L226 Difference]: Without dead ends: 356 [2019-12-26 23:00:30,703 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-26 23:00:30,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2019-12-26 23:00:30,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 321. [2019-12-26 23:00:30,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2019-12-26 23:00:30,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 594 transitions. [2019-12-26 23:00:30,712 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 594 transitions. Word has length 23 [2019-12-26 23:00:30,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-26 23:00:30,713 INFO L462 AbstractCegarLoop]: Abstraction has 321 states and 594 transitions. [2019-12-26 23:00:30,713 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-26 23:00:30,714 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 594 transitions. [2019-12-26 23:00:30,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-26 23:00:30,716 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 23:00:30,716 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-26 23:00:30,717 INFO L410 AbstractCegarLoop]: === Iteration 5 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-26 23:00:30,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 23:00:30,717 INFO L82 PathProgramCache]: Analyzing trace with hash 763517816, now seen corresponding path program 1 times [2019-12-26 23:00:30,717 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 23:00:30,718 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597292428] [2019-12-26 23:00:30,718 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 23:00:30,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-26 23:00:30,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-26 23:00:30,848 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597292428] [2019-12-26 23:00:30,849 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-26 23:00:30,849 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-26 23:00:30,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2140141677] [2019-12-26 23:00:30,850 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-26 23:00:30,851 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-26 23:00:30,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-26 23:00:30,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-26 23:00:30,852 INFO L87 Difference]: Start difference. First operand 321 states and 594 transitions. Second operand 3 states. [2019-12-26 23:00:30,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-26 23:00:30,905 INFO L93 Difference]: Finished difference Result 331 states and 608 transitions. [2019-12-26 23:00:30,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-26 23:00:30,906 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-12-26 23:00:30,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-26 23:00:30,909 INFO L225 Difference]: With dead ends: 331 [2019-12-26 23:00:30,909 INFO L226 Difference]: Without dead ends: 331 [2019-12-26 23:00:30,910 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 [2019-12-26 23:00:30,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2019-12-26 23:00:30,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 327. [2019-12-26 23:00:30,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2019-12-26 23:00:30,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 604 transitions. [2019-12-26 23:00:30,920 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 604 transitions. Word has length 52 [2019-12-26 23:00:30,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-26 23:00:30,922 INFO L462 AbstractCegarLoop]: Abstraction has 327 states and 604 transitions. [2019-12-26 23:00:30,922 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-26 23:00:30,922 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 604 transitions. [2019-12-26 23:00:30,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-26 23:00:30,926 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 23:00:30,927 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-26 23:00:30,927 INFO L410 AbstractCegarLoop]: === Iteration 6 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-26 23:00:30,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 23:00:30,927 INFO L82 PathProgramCache]: Analyzing trace with hash 1269350019, now seen corresponding path program 1 times [2019-12-26 23:00:30,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 23:00:30,928 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155192956] [2019-12-26 23:00:30,928 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 23:00:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-26 23:00:31,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-26 23:00:31,073 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155192956] [2019-12-26 23:00:31,073 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-26 23:00:31,073 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-26 23:00:31,073 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672943499] [2019-12-26 23:00:31,074 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-26 23:00:31,075 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-26 23:00:31,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-26 23:00:31,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-26 23:00:31,075 INFO L87 Difference]: Start difference. First operand 327 states and 604 transitions. Second operand 5 states. [2019-12-26 23:00:31,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-26 23:00:31,392 INFO L93 Difference]: Finished difference Result 458 states and 840 transitions. [2019-12-26 23:00:31,393 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-26 23:00:31,393 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2019-12-26 23:00:31,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-26 23:00:31,396 INFO L225 Difference]: With dead ends: 458 [2019-12-26 23:00:31,396 INFO L226 Difference]: Without dead ends: 458 [2019-12-26 23:00:31,397 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-26 23:00:31,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2019-12-26 23:00:31,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 374. [2019-12-26 23:00:31,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 374 states. [2019-12-26 23:00:31,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 374 states and 695 transitions. [2019-12-26 23:00:31,409 INFO L78 Accepts]: Start accepts. Automaton has 374 states and 695 transitions. Word has length 52 [2019-12-26 23:00:31,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-26 23:00:31,409 INFO L462 AbstractCegarLoop]: Abstraction has 374 states and 695 transitions. [2019-12-26 23:00:31,409 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-26 23:00:31,409 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 695 transitions. [2019-12-26 23:00:31,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-26 23:00:31,411 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 23:00:31,411 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-26 23:00:31,411 INFO L410 AbstractCegarLoop]: === Iteration 7 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-26 23:00:31,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 23:00:31,411 INFO L82 PathProgramCache]: Analyzing trace with hash 544633013, now seen corresponding path program 2 times [2019-12-26 23:00:31,412 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 23:00:31,413 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428500628] [2019-12-26 23:00:31,413 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 23:00:31,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-26 23:00:31,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-26 23:00:31,538 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428500628] [2019-12-26 23:00:31,540 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-26 23:00:31,540 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-26 23:00:31,540 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315290143] [2019-12-26 23:00:31,540 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-26 23:00:31,541 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-26 23:00:31,542 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-26 23:00:31,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-26 23:00:31,542 INFO L87 Difference]: Start difference. First operand 374 states and 695 transitions. Second operand 6 states. [2019-12-26 23:00:31,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-26 23:00:31,877 INFO L93 Difference]: Finished difference Result 513 states and 942 transitions. [2019-12-26 23:00:31,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-26 23:00:31,878 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2019-12-26 23:00:31,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-26 23:00:31,886 INFO L225 Difference]: With dead ends: 513 [2019-12-26 23:00:31,886 INFO L226 Difference]: Without dead ends: 513 [2019-12-26 23:00:31,887 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2019-12-26 23:00:31,888 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 513 states. [2019-12-26 23:00:31,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 513 to 406. [2019-12-26 23:00:31,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2019-12-26 23:00:31,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 754 transitions. [2019-12-26 23:00:31,901 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 754 transitions. Word has length 52 [2019-12-26 23:00:31,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-26 23:00:31,902 INFO L462 AbstractCegarLoop]: Abstraction has 406 states and 754 transitions. [2019-12-26 23:00:31,902 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-26 23:00:31,902 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 754 transitions. [2019-12-26 23:00:31,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-26 23:00:31,904 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 23:00:31,905 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-26 23:00:31,905 INFO L410 AbstractCegarLoop]: === Iteration 8 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-26 23:00:31,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 23:00:31,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1227473235, now seen corresponding path program 3 times [2019-12-26 23:00:31,905 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 23:00:31,906 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238734489] [2019-12-26 23:00:31,906 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 23:00:31,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-26 23:00:32,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-26 23:00:32,049 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [238734489] [2019-12-26 23:00:32,049 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-26 23:00:32,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-26 23:00:32,050 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87701991] [2019-12-26 23:00:32,050 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-26 23:00:32,051 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-26 23:00:32,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-26 23:00:32,051 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-12-26 23:00:32,051 INFO L87 Difference]: Start difference. First operand 406 states and 754 transitions. Second operand 6 states. [2019-12-26 23:00:32,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-26 23:00:32,370 INFO L93 Difference]: Finished difference Result 694 states and 1274 transitions. [2019-12-26 23:00:32,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-26 23:00:32,370 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2019-12-26 23:00:32,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-26 23:00:32,374 INFO L225 Difference]: With dead ends: 694 [2019-12-26 23:00:32,374 INFO L226 Difference]: Without dead ends: 694 [2019-12-26 23:00:32,375 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 5 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-12-26 23:00:32,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2019-12-26 23:00:32,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 445. [2019-12-26 23:00:32,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2019-12-26 23:00:32,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 833 transitions. [2019-12-26 23:00:32,388 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 833 transitions. Word has length 52 [2019-12-26 23:00:32,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-26 23:00:32,389 INFO L462 AbstractCegarLoop]: Abstraction has 445 states and 833 transitions. [2019-12-26 23:00:32,389 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-26 23:00:32,389 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 833 transitions. [2019-12-26 23:00:32,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-26 23:00:32,390 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 23:00:32,391 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-26 23:00:32,391 INFO L410 AbstractCegarLoop]: === Iteration 9 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-26 23:00:32,391 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 23:00:32,391 INFO L82 PathProgramCache]: Analyzing trace with hash 1833025349, now seen corresponding path program 4 times [2019-12-26 23:00:32,392 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 23:00:32,392 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506805047] [2019-12-26 23:00:32,392 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 23:00:32,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-26 23:00:32,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-26 23:00:32,490 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506805047] [2019-12-26 23:00:32,490 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-26 23:00:32,490 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-26 23:00:32,490 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079972868] [2019-12-26 23:00:32,491 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-26 23:00:32,491 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-26 23:00:32,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-26 23:00:32,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-26 23:00:32,491 INFO L87 Difference]: Start difference. First operand 445 states and 833 transitions. Second operand 3 states. [2019-12-26 23:00:32,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-26 23:00:32,505 INFO L93 Difference]: Finished difference Result 406 states and 739 transitions. [2019-12-26 23:00:32,506 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-26 23:00:32,506 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-12-26 23:00:32,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-26 23:00:32,508 INFO L225 Difference]: With dead ends: 406 [2019-12-26 23:00:32,508 INFO L226 Difference]: Without dead ends: 406 [2019-12-26 23:00:32,509 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-26 23:00:32,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2019-12-26 23:00:32,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 406. [2019-12-26 23:00:32,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 406 states. [2019-12-26 23:00:32,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 406 states and 739 transitions. [2019-12-26 23:00:32,517 INFO L78 Accepts]: Start accepts. Automaton has 406 states and 739 transitions. Word has length 52 [2019-12-26 23:00:32,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-26 23:00:32,518 INFO L462 AbstractCegarLoop]: Abstraction has 406 states and 739 transitions. [2019-12-26 23:00:32,518 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-26 23:00:32,518 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 739 transitions. [2019-12-26 23:00:32,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-26 23:00:32,519 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 23:00:32,519 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-26 23:00:32,519 INFO L410 AbstractCegarLoop]: === Iteration 10 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-26 23:00:32,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 23:00:32,520 INFO L82 PathProgramCache]: Analyzing trace with hash 513839464, now seen corresponding path program 1 times [2019-12-26 23:00:32,520 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 23:00:32,520 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2063387942] [2019-12-26 23:00:32,520 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 23:00:32,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-26 23:00:32,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-26 23:00:32,606 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2063387942] [2019-12-26 23:00:32,606 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-26 23:00:32,606 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-26 23:00:32,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048182994] [2019-12-26 23:00:32,608 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-26 23:00:32,608 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-26 23:00:32,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-26 23:00:32,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-26 23:00:32,609 INFO L87 Difference]: Start difference. First operand 406 states and 739 transitions. Second operand 3 states. [2019-12-26 23:00:32,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-26 23:00:32,650 INFO L93 Difference]: Finished difference Result 406 states and 738 transitions. [2019-12-26 23:00:32,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-26 23:00:32,650 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-12-26 23:00:32,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-26 23:00:32,654 INFO L225 Difference]: With dead ends: 406 [2019-12-26 23:00:32,654 INFO L226 Difference]: Without dead ends: 406 [2019-12-26 23:00:32,654 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-26 23:00:32,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2019-12-26 23:00:32,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 273. [2019-12-26 23:00:32,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2019-12-26 23:00:32,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 496 transitions. [2019-12-26 23:00:32,661 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 496 transitions. Word has length 53 [2019-12-26 23:00:32,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-26 23:00:32,662 INFO L462 AbstractCegarLoop]: Abstraction has 273 states and 496 transitions. [2019-12-26 23:00:32,662 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-26 23:00:32,662 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 496 transitions. [2019-12-26 23:00:32,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-26 23:00:32,663 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 23:00:32,663 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] [2019-12-26 23:00:32,663 INFO L410 AbstractCegarLoop]: === Iteration 11 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-26 23:00:32,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 23:00:32,664 INFO L82 PathProgramCache]: Analyzing trace with hash 1221221950, now seen corresponding path program 1 times [2019-12-26 23:00:32,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 23:00:32,664 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482720800] [2019-12-26 23:00:32,664 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 23:00:32,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-26 23:00:32,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-26 23:00:32,887 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482720800] [2019-12-26 23:00:32,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-26 23:00:32,888 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-26 23:00:32,888 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457179437] [2019-12-26 23:00:32,889 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-26 23:00:32,889 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-26 23:00:32,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-26 23:00:32,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-26 23:00:32,889 INFO L87 Difference]: Start difference. First operand 273 states and 496 transitions. Second operand 6 states. [2019-12-26 23:00:32,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-26 23:00:32,954 INFO L93 Difference]: Finished difference Result 463 states and 834 transitions. [2019-12-26 23:00:32,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-26 23:00:32,954 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 54 [2019-12-26 23:00:32,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-26 23:00:32,956 INFO L225 Difference]: With dead ends: 463 [2019-12-26 23:00:32,956 INFO L226 Difference]: Without dead ends: 209 [2019-12-26 23:00:32,956 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-26 23:00:32,957 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2019-12-26 23:00:32,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2019-12-26 23:00:32,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2019-12-26 23:00:32,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 369 transitions. [2019-12-26 23:00:32,961 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 369 transitions. Word has length 54 [2019-12-26 23:00:32,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-26 23:00:32,961 INFO L462 AbstractCegarLoop]: Abstraction has 209 states and 369 transitions. [2019-12-26 23:00:32,961 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-26 23:00:32,962 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 369 transitions. [2019-12-26 23:00:32,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-26 23:00:32,962 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 23:00:32,962 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] [2019-12-26 23:00:32,963 INFO L410 AbstractCegarLoop]: === Iteration 12 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-26 23:00:32,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 23:00:32,963 INFO L82 PathProgramCache]: Analyzing trace with hash 2120402622, now seen corresponding path program 2 times [2019-12-26 23:00:32,963 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 23:00:32,963 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1422999820] [2019-12-26 23:00:32,964 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 23:00:32,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-26 23:00:33,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-26 23:00:33,239 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1422999820] [2019-12-26 23:00:33,239 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-26 23:00:33,240 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-12-26 23:00:33,240 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519211906] [2019-12-26 23:00:33,240 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-12-26 23:00:33,240 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-26 23:00:33,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-12-26 23:00:33,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-12-26 23:00:33,241 INFO L87 Difference]: Start difference. First operand 209 states and 369 transitions. Second operand 14 states. [2019-12-26 23:00:33,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-26 23:00:33,858 INFO L93 Difference]: Finished difference Result 378 states and 650 transitions. [2019-12-26 23:00:33,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-12-26 23:00:33,858 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 54 [2019-12-26 23:00:33,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-26 23:00:33,860 INFO L225 Difference]: With dead ends: 378 [2019-12-26 23:00:33,860 INFO L226 Difference]: Without dead ends: 343 [2019-12-26 23:00:33,861 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 0 SyntacticMatches, 1 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=140, Invalid=616, Unknown=0, NotChecked=0, Total=756 [2019-12-26 23:00:33,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2019-12-26 23:00:33,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 309. [2019-12-26 23:00:33,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2019-12-26 23:00:33,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 540 transitions. [2019-12-26 23:00:33,869 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 540 transitions. Word has length 54 [2019-12-26 23:00:33,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-26 23:00:33,869 INFO L462 AbstractCegarLoop]: Abstraction has 309 states and 540 transitions. [2019-12-26 23:00:33,870 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-12-26 23:00:33,870 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 540 transitions. [2019-12-26 23:00:33,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-26 23:00:33,871 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 23:00:33,871 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] [2019-12-26 23:00:33,871 INFO L410 AbstractCegarLoop]: === Iteration 13 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-26 23:00:33,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 23:00:33,872 INFO L82 PathProgramCache]: Analyzing trace with hash 1229989646, now seen corresponding path program 3 times [2019-12-26 23:00:33,872 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 23:00:33,872 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [845612043] [2019-12-26 23:00:33,872 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 23:00:33,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-26 23:00:34,141 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-26 23:00:34,141 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [845612043] [2019-12-26 23:00:34,141 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-26 23:00:34,142 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-12-26 23:00:34,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113143787] [2019-12-26 23:00:34,142 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-12-26 23:00:34,142 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-26 23:00:34,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-12-26 23:00:34,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2019-12-26 23:00:34,144 INFO L87 Difference]: Start difference. First operand 309 states and 540 transitions. Second operand 13 states. [2019-12-26 23:00:34,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-26 23:00:34,518 INFO L93 Difference]: Finished difference Result 412 states and 698 transitions. [2019-12-26 23:00:34,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2019-12-26 23:00:34,518 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 54 [2019-12-26 23:00:34,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-26 23:00:34,523 INFO L225 Difference]: With dead ends: 412 [2019-12-26 23:00:34,523 INFO L226 Difference]: Without dead ends: 379 [2019-12-26 23:00:34,524 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=272, Unknown=0, NotChecked=0, Total=342 [2019-12-26 23:00:34,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2019-12-26 23:00:34,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 317. [2019-12-26 23:00:34,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2019-12-26 23:00:34,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 554 transitions. [2019-12-26 23:00:34,534 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 554 transitions. Word has length 54 [2019-12-26 23:00:34,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-26 23:00:34,534 INFO L462 AbstractCegarLoop]: Abstraction has 317 states and 554 transitions. [2019-12-26 23:00:34,534 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-12-26 23:00:34,535 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 554 transitions. [2019-12-26 23:00:34,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-26 23:00:34,536 INFO L403 BasicCegarLoop]: Found error trace [2019-12-26 23:00:34,536 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] [2019-12-26 23:00:34,536 INFO L410 AbstractCegarLoop]: === Iteration 14 === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P1Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-26 23:00:34,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-26 23:00:34,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1631137646, now seen corresponding path program 4 times [2019-12-26 23:00:34,537 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-26 23:00:34,537 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1195016586] [2019-12-26 23:00:34,537 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-26 23:00:34,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-26 23:00:34,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-26 23:00:34,696 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-26 23:00:34,697 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-26 23:00:34,701 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [701] [701] ULTIMATE.startENTRY-->L779: Formula: (let ((.cse0 (store |v_#valid_49| 0 0))) (and (= |v_#length_15| (store |v_#length_16| |v_ULTIMATE.start_main_~#t1451~0.base_22| 4)) (= |v_ULTIMATE.start_main_~#t1451~0.offset_17| 0) (= 0 v_~x$read_delayed_var~0.base_6) (= v_~x$r_buff0_thd0~0_317 0) (= 0 v_~x$read_delayed_var~0.offset_6) (= (store |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1451~0.base_22| (store (select |v_#memory_int_14| |v_ULTIMATE.start_main_~#t1451~0.base_22|) |v_ULTIMATE.start_main_~#t1451~0.offset_17| 0)) |v_#memory_int_13|) (= v_~x$mem_tmp~0_19 0) (= 0 v_~x$r_buff1_thd2~0_153) (= 0 v_~x~0_144) (= v_~x$r_buff0_thd1~0_115 0) (= 0 v_~__unbuffered_cnt~0_78) (= v_~__unbuffered_p1_EAX~0_103 0) (< |v_#StackHeapBarrier_14| |v_ULTIMATE.start_main_~#t1451~0.base_22|) (= 0 v_~x$read_delayed~0_6) (< 0 |v_#StackHeapBarrier_14|) (= 0 v_~x$w_buff1_used~0_381) (= v_~x$flush_delayed~0_36 0) (= 0 |v_#NULL.base_4|) (= 0 v_~x$r_buff0_thd2~0_168) (= 0 v_~x$w_buff1~0_166) (= |v_#NULL.offset_4| 0) (= |v_#valid_47| (store .cse0 |v_ULTIMATE.start_main_~#t1451~0.base_22| 1)) (= v_~main$tmp_guard1~0_24 0) (= v_~y~0_67 0) (= 0 v_~x$w_buff0~0_193) (= v_~x$r_buff1_thd0~0_243 0) (= v_~main$tmp_guard0~0_24 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t1451~0.base_22|) 0) (= v_~weak$$choice2~0_114 0) (= 0 v_~weak$$choice0~0_12) (= 0 v_~x$w_buff0_used~0_609) (= v_~x$r_buff1_thd1~0_167 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_14|, #valid=|v_#valid_49|, #memory_int=|v_#memory_int_14|, #length=|v_#length_16|} OutVars{~x$w_buff0~0=v_~x$w_buff0~0_193, ULTIMATE.start_main_#t~ite28=|v_ULTIMATE.start_main_#t~ite28_44|, ~x$flush_delayed~0=v_~x$flush_delayed~0_36, #NULL.offset=|v_#NULL.offset_4|, ULTIMATE.start_main_#t~ite26=|v_ULTIMATE.start_main_#t~ite26_29|, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_167, ULTIMATE.start_main_#t~ite20=|v_ULTIMATE.start_main_#t~ite20_139|, ULTIMATE.start_main_#t~ite43=|v_ULTIMATE.start_main_#t~ite43_42|, ULTIMATE.start_main_#t~ite22=|v_ULTIMATE.start_main_#t~ite22_31|, ULTIMATE.start_main_#t~ite45=|v_ULTIMATE.start_main_#t~ite45_34|, ULTIMATE.start_main_~#t1452~0.base=|v_ULTIMATE.start_main_~#t1452~0.base_17|, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_103, #length=|v_#length_15|, ~x$r_buff0_thd0~0=v_~x$r_buff0_thd0~0_317, ULTIMATE.start_main_#t~ite18=|v_ULTIMATE.start_main_#t~ite18_29|, ULTIMATE.start_main_#t~ite39=|v_ULTIMATE.start_main_#t~ite39_31|, ULTIMATE.start_main_#t~nondet24=|v_ULTIMATE.start_main_#t~nondet24_19|, ~x$w_buff1~0=v_~x$w_buff1~0_166, ULTIMATE.start_main_#t~ite35=|v_ULTIMATE.start_main_#t~ite35_28|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_381, ~x$r_buff1_thd2~0=v_~x$r_buff1_thd2~0_153, ULTIMATE.start_main_#t~ite37=|v_ULTIMATE.start_main_#t~ite37_37|, ULTIMATE.start_main_#t~ite31=|v_ULTIMATE.start_main_#t~ite31_32|, ULTIMATE.start_main_#t~ite33=|v_ULTIMATE.start_main_#t~ite33_31|, ~x$read_delayed_var~0.base=v_~x$read_delayed_var~0.base_6, ~weak$$choice0~0=v_~weak$$choice0~0_12, #StackHeapBarrier=|v_#StackHeapBarrier_14|, ULTIMATE.start_main_#t~ite40=|v_ULTIMATE.start_main_#t~ite40_27|, ULTIMATE.start_main_#t~nondet15=|v_ULTIMATE.start_main_#t~nondet15_8|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_78, ~x~0=v_~x~0_144, ~x$r_buff0_thd1~0=v_~x$r_buff0_thd1~0_115, ULTIMATE.start_main_#t~ite29=|v_ULTIMATE.start_main_#t~ite29_25|, ULTIMATE.start_main_#t~ite25=|v_ULTIMATE.start_main_#t~ite25_23|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_24, ULTIMATE.start_main_#t~ite27=|v_ULTIMATE.start_main_#t~ite27_40|, ~x$mem_tmp~0=v_~x$mem_tmp~0_19, ULTIMATE.start_main_#t~ite21=|v_ULTIMATE.start_main_#t~ite21_25|, ULTIMATE.start_main_#t~ite42=|v_ULTIMATE.start_main_#t~ite42_36|, ULTIMATE.start_main_#t~ite44=|v_ULTIMATE.start_main_#t~ite44_32|, ULTIMATE.start_main_#t~ite30=|v_ULTIMATE.start_main_#t~ite30_36|, ~y~0=v_~y~0_67, ULTIMATE.start_main_~#t1451~0.base=|v_ULTIMATE.start_main_~#t1451~0.base_22|, ULTIMATE.start_main_#t~ite17=|v_ULTIMATE.start_main_#t~ite17_29|, ULTIMATE.start_main_#t~nondet23=|v_ULTIMATE.start_main_#t~nondet23_19|, ULTIMATE.start_main_#t~ite19=|v_ULTIMATE.start_main_#t~ite19_27|, ULTIMATE.start_main_#t~ite36=|v_ULTIMATE.start_main_#t~ite36_39|, ULTIMATE.start_main_#t~ite38=|v_ULTIMATE.start_main_#t~ite38_23|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_24, ~x$r_buff1_thd0~0=v_~x$r_buff1_thd0~0_243, ~x$r_buff0_thd2~0=v_~x$r_buff0_thd2~0_168, ULTIMATE.start_main_#t~ite32=|v_ULTIMATE.start_main_#t~ite32_29|, ULTIMATE.start_main_~#t1452~0.offset=|v_ULTIMATE.start_main_~#t1452~0.offset_14|, #NULL.base=|v_#NULL.base_4|, ULTIMATE.start_main_#t~ite34=|v_ULTIMATE.start_main_#t~ite34_29|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_609, ULTIMATE.start_main_~#t1451~0.offset=|v_ULTIMATE.start_main_~#t1451~0.offset_17|, ULTIMATE.start_main_#t~ite41=|v_ULTIMATE.start_main_#t~ite41_15|, ~x$read_delayed_var~0.offset=v_~x$read_delayed_var~0.offset_6, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_17|, #valid=|v_#valid_47|, #memory_int=|v_#memory_int_13|, ULTIMATE.start_main_#t~nondet16=|v_ULTIMATE.start_main_#t~nondet16_21|, ~weak$$choice2~0=v_~weak$$choice2~0_114, ~x$read_delayed~0=v_~x$read_delayed~0_6} AuxVars[] AssignedVars[~x$w_buff0~0, ULTIMATE.start_main_#t~ite28, ~x$flush_delayed~0, #NULL.offset, ULTIMATE.start_main_#t~ite26, ~x$r_buff1_thd1~0, ULTIMATE.start_main_#t~ite20, ULTIMATE.start_main_#t~ite43, ULTIMATE.start_main_#t~ite22, ULTIMATE.start_main_#t~ite45, ULTIMATE.start_main_~#t1452~0.base, ~__unbuffered_p1_EAX~0, #length, ~x$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite18, ULTIMATE.start_main_#t~ite39, ULTIMATE.start_main_#t~nondet24, ~x$w_buff1~0, ULTIMATE.start_main_#t~ite35, ~x$w_buff1_used~0, ~x$r_buff1_thd2~0, ULTIMATE.start_main_#t~ite37, ULTIMATE.start_main_#t~ite31, ULTIMATE.start_main_#t~ite33, ~x$read_delayed_var~0.base, ~weak$$choice0~0, ULTIMATE.start_main_#t~ite40, ULTIMATE.start_main_#t~nondet15, ~__unbuffered_cnt~0, ~x~0, ~x$r_buff0_thd1~0, ULTIMATE.start_main_#t~ite29, ULTIMATE.start_main_#t~ite25, ~main$tmp_guard1~0, ULTIMATE.start_main_#t~ite27, ~x$mem_tmp~0, ULTIMATE.start_main_#t~ite21, ULTIMATE.start_main_#t~ite42, ULTIMATE.start_main_#t~ite44, ULTIMATE.start_main_#t~ite30, ~y~0, ULTIMATE.start_main_~#t1451~0.base, ULTIMATE.start_main_#t~ite17, ULTIMATE.start_main_#t~nondet23, ULTIMATE.start_main_#t~ite19, ULTIMATE.start_main_#t~ite36, ULTIMATE.start_main_#t~ite38, ~main$tmp_guard0~0, ~x$r_buff1_thd0~0, ~x$r_buff0_thd2~0, ULTIMATE.start_main_#t~ite32, ULTIMATE.start_main_~#t1452~0.offset, #NULL.base, ULTIMATE.start_main_#t~ite34, ~x$w_buff0_used~0, ULTIMATE.start_main_~#t1451~0.offset, ULTIMATE.start_main_#t~ite41, ~x$read_delayed_var~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, ULTIMATE.start_main_#t~nondet16, ~weak$$choice2~0, ~x$read_delayed~0] because there is no mapped edge [2019-12-26 23:00:34,701 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [668] [668] L779-1-->L781: Formula: (and (< |v_#StackHeapBarrier_7| |v_ULTIMATE.start_main_~#t1452~0.base_10|) (= |v_#length_9| (store |v_#length_10| |v_ULTIMATE.start_main_~#t1452~0.base_10| 4)) (not (= |v_ULTIMATE.start_main_~#t1452~0.base_10| 0)) (= |v_#memory_int_7| (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1452~0.base_10| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t1452~0.base_10|) |v_ULTIMATE.start_main_~#t1452~0.offset_9| 1))) (= |v_ULTIMATE.start_main_~#t1452~0.offset_9| 0) (= |v_#valid_25| (store |v_#valid_26| |v_ULTIMATE.start_main_~#t1452~0.base_10| 1)) (= (select |v_#valid_26| |v_ULTIMATE.start_main_~#t1452~0.base_10|) 0)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_7|, #valid=|v_#valid_26|, #memory_int=|v_#memory_int_8|, #length=|v_#length_10|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_7|, #valid=|v_#valid_25|, #memory_int=|v_#memory_int_7|, ULTIMATE.start_main_#t~nondet15=|v_ULTIMATE.start_main_#t~nondet15_5|, #length=|v_#length_9|, ULTIMATE.start_main_~#t1452~0.offset=|v_ULTIMATE.start_main_~#t1452~0.offset_9|, ULTIMATE.start_main_~#t1452~0.base=|v_ULTIMATE.start_main_~#t1452~0.base_10|} AuxVars[] AssignedVars[#valid, #memory_int, ULTIMATE.start_main_#t~nondet15, #length, ULTIMATE.start_main_~#t1452~0.offset, ULTIMATE.start_main_~#t1452~0.base] because there is no mapped edge [2019-12-26 23:00:34,702 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [623] [623] P1ENTRY-->L4-3: Formula: (and (= |v_P1Thread1of1ForFork1_#in~arg.offset_17| v_P1Thread1of1ForFork1_~arg.offset_17) (= 2 v_~x$w_buff0~0_54) (= v_P1Thread1of1ForFork1___VERIFIER_assert_~expression_19 |v_P1Thread1of1ForFork1___VERIFIER_assert_#in~expression_17|) (= 0 (mod v_~x$w_buff1_used~0_127 256)) (= 1 v_~x$w_buff0_used~0_216) (= v_~x$w_buff0~0_55 v_~x$w_buff1~0_48) (= 1 |v_P1Thread1of1ForFork1___VERIFIER_assert_#in~expression_17|) (= v_~x$w_buff0_used~0_217 v_~x$w_buff1_used~0_127) (= v_P1Thread1of1ForFork1_~arg.base_17 |v_P1Thread1of1ForFork1_#in~arg.base_17|)) InVars {~x$w_buff0~0=v_~x$w_buff0~0_55, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_17|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_17|, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_217} OutVars{P1Thread1of1ForFork1___VERIFIER_assert_~expression=v_P1Thread1of1ForFork1___VERIFIER_assert_~expression_19, ~x$w_buff0~0=v_~x$w_buff0~0_54, P1Thread1of1ForFork1_~arg.offset=v_P1Thread1of1ForFork1_~arg.offset_17, P1Thread1of1ForFork1___VERIFIER_assert_#in~expression=|v_P1Thread1of1ForFork1___VERIFIER_assert_#in~expression_17|, P1Thread1of1ForFork1_~arg.base=v_P1Thread1of1ForFork1_~arg.base_17, ~x$w_buff1~0=v_~x$w_buff1~0_48, P1Thread1of1ForFork1_#in~arg.base=|v_P1Thread1of1ForFork1_#in~arg.base_17|, P1Thread1of1ForFork1_#in~arg.offset=|v_P1Thread1of1ForFork1_#in~arg.offset_17|, ~x$w_buff1_used~0=v_~x$w_buff1_used~0_127, ~x$w_buff0_used~0=v_~x$w_buff0_used~0_216} AuxVars[] AssignedVars[P1Thread1of1ForFork1___VERIFIER_assert_~expression, ~x$w_buff0~0, P1Thread1of1ForFork1_~arg.offset, P1Thread1of1ForFork1___VERIFIER_assert_#in~expression, P1Thread1of1ForFork1_~arg.base, ~x$w_buff1~0, ~x$w_buff1_used~0, ~x$w_buff0_used~0] because there is no mapped edge [2019-12-26 23:00:34,706 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [650] [650] L728-2-->L728-5: Formula: (let ((.cse0 (= |P0Thread1of1ForFork0_#t~ite3_Out1222583169| |P0Thread1of1ForFork0_#t~ite4_Out1222583169|)) (.cse1 (= 0 (mod ~x$w_buff1_used~0_In1222583169 256))) (.cse2 (= 0 (mod ~x$r_buff1_thd1~0_In1222583169 256)))) (or (and (= |P0Thread1of1ForFork0_#t~ite3_Out1222583169| ~x$w_buff1~0_In1222583169) .cse0 (not .cse1) (not .cse2)) (and .cse0 (or .cse1 .cse2) (= |P0Thread1of1ForFork0_#t~ite3_Out1222583169| ~x~0_In1222583169)))) InVars {~x$w_buff1~0=~x$w_buff1~0_In1222583169, ~x$w_buff1_used~0=~x$w_buff1_used~0_In1222583169, ~x$r_buff1_thd1~0=~x$r_buff1_thd1~0_In1222583169, ~x~0=~x~0_In1222583169} OutVars{P0Thread1of1ForFork0_#t~ite3=|P0Thread1of1ForFork0_#t~ite3_Out1222583169|, P0Thread1of1ForFork0_#t~ite4=|P0Thread1of1ForFork0_#t~ite4_Out1222583169|, ~x$w_buff1~0=~x$w_buff1~0_In1222583169, ~x$w_buff1_used~0=~x$w_buff1_used~0_In1222583169, ~x$r_buff1_thd1~0=~x$r_buff1_thd1~0_In1222583169, ~x~0=~x~0_In1222583169} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#t~ite3, P0Thread1of1ForFork0_#t~ite4] because there is no mapped edge [2019-12-26 23:00:34,706 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [658] [658] L729-->L729-2: Formula: (let ((.cse1 (= (mod ~x$r_buff0_thd1~0_In946974262 256) 0)) (.cse0 (= (mod ~x$w_buff0_used~0_In946974262 256) 0))) (or (and (= ~x$w_buff0_used~0_In946974262 |P0Thread1of1ForFork0_#t~ite5_Out946974262|) (or .cse0 .cse1)) (and (= 0 |P0Thread1of1ForFork0_#t~ite5_Out946974262|) (not .cse1) (not .cse0)))) InVars {~x$r_buff0_thd1~0=~x$r_buff0_thd1~0_In946974262, ~x$w_buff0_used~0=~x$w_buff0_used~0_In946974262} OutVars{P0Thread1of1ForFork0_#t~ite5=|P0Thread1of1ForFork0_#t~ite5_Out946974262|, ~x$r_buff0_thd1~0=~x$r_buff0_thd1~0_In946974262, ~x$w_buff0_used~0=~x$w_buff0_used~0_In946974262} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#t~ite5] because there is no mapped edge [2019-12-26 23:00:34,707 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [640] [640] L730-->L730-2: Formula: (let ((.cse0 (= (mod ~x$w_buff0_used~0_In-900835835 256) 0)) (.cse1 (= 0 (mod ~x$r_buff0_thd1~0_In-900835835 256))) (.cse2 (= 0 (mod ~x$r_buff1_thd1~0_In-900835835 256))) (.cse3 (= 0 (mod ~x$w_buff1_used~0_In-900835835 256)))) (or (and (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3))) (= |P0Thread1of1ForFork0_#t~ite6_Out-900835835| 0)) (and (= |P0Thread1of1ForFork0_#t~ite6_Out-900835835| ~x$w_buff1_used~0_In-900835835) (or .cse0 .cse1) (or .cse2 .cse3)))) InVars {~x$r_buff0_thd1~0=~x$r_buff0_thd1~0_In-900835835, ~x$w_buff1_used~0=~x$w_buff1_used~0_In-900835835, ~x$r_buff1_thd1~0=~x$r_buff1_thd1~0_In-900835835, ~x$w_buff0_used~0=~x$w_buff0_used~0_In-900835835} OutVars{P0Thread1of1ForFork0_#t~ite6=|P0Thread1of1ForFork0_#t~ite6_Out-900835835|, ~x$r_buff0_thd1~0=~x$r_buff0_thd1~0_In-900835835, ~x$w_buff1_used~0=~x$w_buff1_used~0_In-900835835, ~x$r_buff1_thd1~0=~x$r_buff1_thd1~0_In-900835835, ~x$w_buff0_used~0=~x$w_buff0_used~0_In-900835835} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#t~ite6] because there is no mapped edge [2019-12-26 23:00:34,708 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [647] [647] L757-->L757-2: Formula: (let ((.cse0 (= 0 (mod ~x$w_buff0_used~0_In1625457685 256))) (.cse1 (= 0 (mod ~x$r_buff0_thd2~0_In1625457685 256)))) (or (and (= ~x$w_buff0_used~0_In1625457685 |P1Thread1of1ForFork1_#t~ite11_Out1625457685|) (or .cse0 .cse1)) (and (not .cse0) (not .cse1) (= 0 |P1Thread1of1ForFork1_#t~ite11_Out1625457685|)))) InVars {~x$r_buff0_thd2~0=~x$r_buff0_thd2~0_In1625457685, ~x$w_buff0_used~0=~x$w_buff0_used~0_In1625457685} OutVars{P1Thread1of1ForFork1_#t~ite11=|P1Thread1of1ForFork1_#t~ite11_Out1625457685|, ~x$r_buff0_thd2~0=~x$r_buff0_thd2~0_In1625457685, ~x$w_buff0_used~0=~x$w_buff0_used~0_In1625457685} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#t~ite11] because there is no mapped edge [2019-12-26 23:00:34,708 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [652] [652] L731-->L731-2: Formula: (let ((.cse0 (= (mod ~x$r_buff0_thd1~0_In-1407014708 256) 0)) (.cse1 (= (mod ~x$w_buff0_used~0_In-1407014708 256) 0))) (or (and (= ~x$r_buff0_thd1~0_In-1407014708 |P0Thread1of1ForFork0_#t~ite7_Out-1407014708|) (or .cse0 .cse1)) (and (not .cse0) (= 0 |P0Thread1of1ForFork0_#t~ite7_Out-1407014708|) (not .cse1)))) InVars {~x$r_buff0_thd1~0=~x$r_buff0_thd1~0_In-1407014708, ~x$w_buff0_used~0=~x$w_buff0_used~0_In-1407014708} OutVars{~x$r_buff0_thd1~0=~x$r_buff0_thd1~0_In-1407014708, P0Thread1of1ForFork0_#t~ite7=|P0Thread1of1ForFork0_#t~ite7_Out-1407014708|, ~x$w_buff0_used~0=~x$w_buff0_used~0_In-1407014708} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#t~ite7] because there is no mapped edge [2019-12-26 23:00:34,709 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [642] [642] L732-->L732-2: Formula: (let ((.cse1 (= 0 (mod ~x$w_buff1_used~0_In-823036280 256))) (.cse0 (= (mod ~x$r_buff1_thd1~0_In-823036280 256) 0)) (.cse2 (= (mod ~x$w_buff0_used~0_In-823036280 256) 0)) (.cse3 (= 0 (mod ~x$r_buff0_thd1~0_In-823036280 256)))) (or (and (or .cse0 .cse1) (= ~x$r_buff1_thd1~0_In-823036280 |P0Thread1of1ForFork0_#t~ite8_Out-823036280|) (or .cse2 .cse3)) (and (or (and (not .cse1) (not .cse0)) (and (not .cse2) (not .cse3))) (= 0 |P0Thread1of1ForFork0_#t~ite8_Out-823036280|)))) InVars {~x$r_buff0_thd1~0=~x$r_buff0_thd1~0_In-823036280, ~x$w_buff1_used~0=~x$w_buff1_used~0_In-823036280, ~x$r_buff1_thd1~0=~x$r_buff1_thd1~0_In-823036280, ~x$w_buff0_used~0=~x$w_buff0_used~0_In-823036280} OutVars{~x$r_buff0_thd1~0=~x$r_buff0_thd1~0_In-823036280, P0Thread1of1ForFork0_#t~ite8=|P0Thread1of1ForFork0_#t~ite8_Out-823036280|, ~x$w_buff1_used~0=~x$w_buff1_used~0_In-823036280, ~x$r_buff1_thd1~0=~x$r_buff1_thd1~0_In-823036280, ~x$w_buff0_used~0=~x$w_buff0_used~0_In-823036280} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#t~ite8] because there is no mapped edge [2019-12-26 23:00:34,709 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [681] [681] L732-2-->P0EXIT: Formula: (and (= v_~x$r_buff1_thd1~0_125 |v_P0Thread1of1ForFork0_#t~ite8_38|) (= 0 |v_P0Thread1of1ForFork0_#res.base_5|) (= |v_P0Thread1of1ForFork0_#res.offset_5| 0) (= (+ v_~__unbuffered_cnt~0_40 1) v_~__unbuffered_cnt~0_39)) InVars {P0Thread1of1ForFork0_#t~ite8=|v_P0Thread1of1ForFork0_#t~ite8_38|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_40} OutVars{P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_5|, P0Thread1of1ForFork0_#t~ite8=|v_P0Thread1of1ForFork0_#t~ite8_37|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_39, ~x$r_buff1_thd1~0=v_~x$r_buff1_thd1~0_125} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_#t~ite8, P0Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0, ~x$r_buff1_thd1~0] because there is no mapped edge [2019-12-26 23:00:34,709 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [655] [655] L758-->L758-2: Formula: (let ((.cse1 (= (mod ~x$r_buff1_thd2~0_In-691061258 256) 0)) (.cse0 (= 0 (mod ~x$w_buff1_used~0_In-691061258 256))) (.cse3 (= (mod ~x$w_buff0_used~0_In-691061258 256) 0)) (.cse2 (= (mod ~x$r_buff0_thd2~0_In-691061258 256) 0))) (or (and (or .cse0 .cse1) (or .cse2 .cse3) (= |P1Thread1of1ForFork1_#t~ite12_Out-691061258| ~x$w_buff1_used~0_In-691061258)) (and (= |P1Thread1of1ForFork1_#t~ite12_Out-691061258| 0) (or (and (not .cse1) (not .cse0)) (and (not .cse3) (not .cse2)))))) InVars {~x$w_buff1_used~0=~x$w_buff1_used~0_In-691061258, ~x$r_buff1_thd2~0=~x$r_buff1_thd2~0_In-691061258, ~x$r_buff0_thd2~0=~x$r_buff0_thd2~0_In-691061258, ~x$w_buff0_used~0=~x$w_buff0_used~0_In-691061258} OutVars{~x$w_buff1_used~0=~x$w_buff1_used~0_In-691061258, ~x$r_buff1_thd2~0=~x$r_buff1_thd2~0_In-691061258, P1Thread1of1ForFork1_#t~ite12=|P1Thread1of1ForFork1_#t~ite12_Out-691061258|, ~x$r_buff0_thd2~0=~x$r_buff0_thd2~0_In-691061258, ~x$w_buff0_used~0=~x$w_buff0_used~0_In-691061258} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#t~ite12] because there is no mapped edge [2019-12-26 23:00:34,710 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [656] [656] L759-->L760: Formula: (let ((.cse1 (= 0 (mod ~x$w_buff0_used~0_In705891822 256))) (.cse0 (= 0 (mod ~x$r_buff0_thd2~0_In705891822 256)))) (or (and (or .cse0 .cse1) (= ~x$r_buff0_thd2~0_Out705891822 ~x$r_buff0_thd2~0_In705891822)) (and (= ~x$r_buff0_thd2~0_Out705891822 0) (not .cse1) (not .cse0)))) InVars {~x$r_buff0_thd2~0=~x$r_buff0_thd2~0_In705891822, ~x$w_buff0_used~0=~x$w_buff0_used~0_In705891822} OutVars{P1Thread1of1ForFork1_#t~ite13=|P1Thread1of1ForFork1_#t~ite13_Out705891822|, ~x$r_buff0_thd2~0=~x$r_buff0_thd2~0_Out705891822, ~x$w_buff0_used~0=~x$w_buff0_used~0_In705891822} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#t~ite13, ~x$r_buff0_thd2~0] because there is no mapped edge [2019-12-26 23:00:34,710 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [657] [657] L760-->L760-2: Formula: (let ((.cse1 (= (mod ~x$w_buff1_used~0_In1241862537 256) 0)) (.cse0 (= (mod ~x$r_buff1_thd2~0_In1241862537 256) 0)) (.cse3 (= (mod ~x$r_buff0_thd2~0_In1241862537 256) 0)) (.cse2 (= 0 (mod ~x$w_buff0_used~0_In1241862537 256)))) (or (and (or .cse0 .cse1) (= |P1Thread1of1ForFork1_#t~ite14_Out1241862537| ~x$r_buff1_thd2~0_In1241862537) (or .cse2 .cse3)) (and (= 0 |P1Thread1of1ForFork1_#t~ite14_Out1241862537|) (or (and (not .cse1) (not .cse0)) (and (not .cse3) (not .cse2)))))) InVars {~x$w_buff1_used~0=~x$w_buff1_used~0_In1241862537, ~x$r_buff1_thd2~0=~x$r_buff1_thd2~0_In1241862537, ~x$r_buff0_thd2~0=~x$r_buff0_thd2~0_In1241862537, ~x$w_buff0_used~0=~x$w_buff0_used~0_In1241862537} OutVars{~x$w_buff1_used~0=~x$w_buff1_used~0_In1241862537, ~x$r_buff1_thd2~0=~x$r_buff1_thd2~0_In1241862537, ~x$r_buff0_thd2~0=~x$r_buff0_thd2~0_In1241862537, P1Thread1of1ForFork1_#t~ite14=|P1Thread1of1ForFork1_#t~ite14_Out1241862537|, ~x$w_buff0_used~0=~x$w_buff0_used~0_In1241862537} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#t~ite14] because there is no mapped edge [2019-12-26 23:00:34,710 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [684] [684] L760-2-->P1EXIT: Formula: (and (= 0 |v_P1Thread1of1ForFork1_#res.base_5|) (= v_~x$r_buff1_thd2~0_125 |v_P1Thread1of1ForFork1_#t~ite14_36|) (= (+ v_~__unbuffered_cnt~0_56 1) v_~__unbuffered_cnt~0_55) (= |v_P1Thread1of1ForFork1_#res.offset_5| 0)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_56, P1Thread1of1ForFork1_#t~ite14=|v_P1Thread1of1ForFork1_#t~ite14_36|} OutVars{P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_5|, ~x$r_buff1_thd2~0=v_~x$r_buff1_thd2~0_125, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_55, P1Thread1of1ForFork1_#t~ite14=|v_P1Thread1of1ForFork1_#t~ite14_35|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_5|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#res.offset, ~x$r_buff1_thd2~0, ~__unbuffered_cnt~0, P1Thread1of1ForFork1_#t~ite14, P1Thread1of1ForFork1_#res.base] because there is no mapped edge [2019-12-26 23:00:34,710 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [586] [586] L781-1-->L787: Formula: (and (= 2 v_~__unbuffered_cnt~0_11) (= v_~main$tmp_guard0~0_6 1)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_11} OutVars{ULTIMATE.start_main_#t~nondet16=|v_ULTIMATE.start_main_#t~nondet16_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_11, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_6} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet16, ~main$tmp_guard0~0] because there is no mapped edge [2019-12-26 23:00:34,711 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [651] [651] L787-2-->L787-5: Formula: (let ((.cse0 (= (mod ~x$r_buff1_thd0~0_In1914360691 256) 0)) (.cse1 (= 0 (mod ~x$w_buff1_used~0_In1914360691 256))) (.cse2 (= |ULTIMATE.start_main_#t~ite17_Out1914360691| |ULTIMATE.start_main_#t~ite18_Out1914360691|))) (or (and (= |ULTIMATE.start_main_#t~ite17_Out1914360691| ~x~0_In1914360691) (or .cse0 .cse1) .cse2) (and (not .cse0) (not .cse1) .cse2 (= |ULTIMATE.start_main_#t~ite17_Out1914360691| ~x$w_buff1~0_In1914360691)))) InVars {~x$w_buff1~0=~x$w_buff1~0_In1914360691, ~x$w_buff1_used~0=~x$w_buff1_used~0_In1914360691, ~x$r_buff1_thd0~0=~x$r_buff1_thd0~0_In1914360691, ~x~0=~x~0_In1914360691} OutVars{ULTIMATE.start_main_#t~ite17=|ULTIMATE.start_main_#t~ite17_Out1914360691|, ULTIMATE.start_main_#t~ite18=|ULTIMATE.start_main_#t~ite18_Out1914360691|, ~x$w_buff1~0=~x$w_buff1~0_In1914360691, ~x$w_buff1_used~0=~x$w_buff1_used~0_In1914360691, ~x$r_buff1_thd0~0=~x$r_buff1_thd0~0_In1914360691, ~x~0=~x~0_In1914360691} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite17, ULTIMATE.start_main_#t~ite18] because there is no mapped edge [2019-12-26 23:00:34,711 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [648] [648] L788-->L788-2: Formula: (let ((.cse0 (= (mod ~x$r_buff0_thd0~0_In-60353146 256) 0)) (.cse1 (= 0 (mod ~x$w_buff0_used~0_In-60353146 256)))) (or (and (= ~x$w_buff0_used~0_In-60353146 |ULTIMATE.start_main_#t~ite19_Out-60353146|) (or .cse0 .cse1)) (and (not .cse0) (not .cse1) (= |ULTIMATE.start_main_#t~ite19_Out-60353146| 0)))) InVars {~x$r_buff0_thd0~0=~x$r_buff0_thd0~0_In-60353146, ~x$w_buff0_used~0=~x$w_buff0_used~0_In-60353146} OutVars{~x$r_buff0_thd0~0=~x$r_buff0_thd0~0_In-60353146, ULTIMATE.start_main_#t~ite19=|ULTIMATE.start_main_#t~ite19_Out-60353146|, ~x$w_buff0_used~0=~x$w_buff0_used~0_In-60353146} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite19] because there is no mapped edge [2019-12-26 23:00:34,712 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [643] [643] L789-->L789-2: Formula: (let ((.cse3 (= (mod ~x$w_buff0_used~0_In-1575201051 256) 0)) (.cse2 (= (mod ~x$r_buff0_thd0~0_In-1575201051 256) 0)) (.cse0 (= 0 (mod ~x$r_buff1_thd0~0_In-1575201051 256))) (.cse1 (= (mod ~x$w_buff1_used~0_In-1575201051 256) 0))) (or (and (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3))) (= |ULTIMATE.start_main_#t~ite20_Out-1575201051| 0)) (and (= ~x$w_buff1_used~0_In-1575201051 |ULTIMATE.start_main_#t~ite20_Out-1575201051|) (or .cse3 .cse2) (or .cse0 .cse1)))) InVars {~x$r_buff0_thd0~0=~x$r_buff0_thd0~0_In-1575201051, ~x$w_buff1_used~0=~x$w_buff1_used~0_In-1575201051, ~x$r_buff1_thd0~0=~x$r_buff1_thd0~0_In-1575201051, ~x$w_buff0_used~0=~x$w_buff0_used~0_In-1575201051} OutVars{~x$r_buff0_thd0~0=~x$r_buff0_thd0~0_In-1575201051, ~x$w_buff1_used~0=~x$w_buff1_used~0_In-1575201051, ULTIMATE.start_main_#t~ite20=|ULTIMATE.start_main_#t~ite20_Out-1575201051|, ~x$r_buff1_thd0~0=~x$r_buff1_thd0~0_In-1575201051, ~x$w_buff0_used~0=~x$w_buff0_used~0_In-1575201051} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite20] because there is no mapped edge [2019-12-26 23:00:34,712 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [661] [661] L790-->L790-2: Formula: (let ((.cse1 (= (mod ~x$r_buff0_thd0~0_In-752814117 256) 0)) (.cse0 (= 0 (mod ~x$w_buff0_used~0_In-752814117 256)))) (or (and (or .cse0 .cse1) (= |ULTIMATE.start_main_#t~ite21_Out-752814117| ~x$r_buff0_thd0~0_In-752814117)) (and (not .cse1) (= |ULTIMATE.start_main_#t~ite21_Out-752814117| 0) (not .cse0)))) InVars {~x$r_buff0_thd0~0=~x$r_buff0_thd0~0_In-752814117, ~x$w_buff0_used~0=~x$w_buff0_used~0_In-752814117} OutVars{~x$r_buff0_thd0~0=~x$r_buff0_thd0~0_In-752814117, ULTIMATE.start_main_#t~ite21=|ULTIMATE.start_main_#t~ite21_Out-752814117|, ~x$w_buff0_used~0=~x$w_buff0_used~0_In-752814117} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite21] because there is no mapped edge [2019-12-26 23:00:34,713 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [653] [653] L791-->L791-2: Formula: (let ((.cse3 (= 0 (mod ~x$w_buff1_used~0_In-1047694494 256))) (.cse2 (= 0 (mod ~x$r_buff1_thd0~0_In-1047694494 256))) (.cse1 (= 0 (mod ~x$w_buff0_used~0_In-1047694494 256))) (.cse0 (= (mod ~x$r_buff0_thd0~0_In-1047694494 256) 0))) (or (and (= 0 |ULTIMATE.start_main_#t~ite22_Out-1047694494|) (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3)))) (and (= |ULTIMATE.start_main_#t~ite22_Out-1047694494| ~x$r_buff1_thd0~0_In-1047694494) (or .cse3 .cse2) (or .cse1 .cse0)))) InVars {~x$r_buff0_thd0~0=~x$r_buff0_thd0~0_In-1047694494, ~x$w_buff1_used~0=~x$w_buff1_used~0_In-1047694494, ~x$r_buff1_thd0~0=~x$r_buff1_thd0~0_In-1047694494, ~x$w_buff0_used~0=~x$w_buff0_used~0_In-1047694494} OutVars{~x$r_buff0_thd0~0=~x$r_buff0_thd0~0_In-1047694494, ~x$w_buff1_used~0=~x$w_buff1_used~0_In-1047694494, ~x$r_buff1_thd0~0=~x$r_buff1_thd0~0_In-1047694494, ULTIMATE.start_main_#t~ite22=|ULTIMATE.start_main_#t~ite22_Out-1047694494|, ~x$w_buff0_used~0=~x$w_buff0_used~0_In-1047694494} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite22] because there is no mapped edge [2019-12-26 23:00:34,715 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [687] [687] L800-->L800-8: Formula: (let ((.cse0 (= 0 (mod ~weak$$choice2~0_In712314129 256)))) (or (and (= |ULTIMATE.start_main_#t~ite31_In712314129| |ULTIMATE.start_main_#t~ite31_Out712314129|) (= ~x$w_buff1~0_In712314129 |ULTIMATE.start_main_#t~ite32_Out712314129|) (not .cse0)) (and (= |ULTIMATE.start_main_#t~ite31_Out712314129| |ULTIMATE.start_main_#t~ite32_Out712314129|) .cse0 (let ((.cse1 (= (mod ~x$r_buff0_thd0~0_In712314129 256) 0))) (or (= (mod ~x$w_buff0_used~0_In712314129 256) 0) (and .cse1 (= (mod ~x$r_buff1_thd0~0_In712314129 256) 0)) (and (= (mod ~x$w_buff1_used~0_In712314129 256) 0) .cse1))) (= |ULTIMATE.start_main_#t~ite31_Out712314129| ~x$w_buff1~0_In712314129)))) InVars {~x$r_buff0_thd0~0=~x$r_buff0_thd0~0_In712314129, ~x$w_buff1~0=~x$w_buff1~0_In712314129, ~x$w_buff1_used~0=~x$w_buff1_used~0_In712314129, ~x$r_buff1_thd0~0=~x$r_buff1_thd0~0_In712314129, ~weak$$choice2~0=~weak$$choice2~0_In712314129, ULTIMATE.start_main_#t~ite31=|ULTIMATE.start_main_#t~ite31_In712314129|, ~x$w_buff0_used~0=~x$w_buff0_used~0_In712314129} OutVars{~x$r_buff0_thd0~0=~x$r_buff0_thd0~0_In712314129, ~x$w_buff1~0=~x$w_buff1~0_In712314129, ~x$w_buff1_used~0=~x$w_buff1_used~0_In712314129, ULTIMATE.start_main_#t~ite31=|ULTIMATE.start_main_#t~ite31_Out712314129|, ~x$r_buff1_thd0~0=~x$r_buff1_thd0~0_In712314129, ~weak$$choice2~0=~weak$$choice2~0_In712314129, ULTIMATE.start_main_#t~ite32=|ULTIMATE.start_main_#t~ite32_Out712314129|, ~x$w_buff0_used~0=~x$w_buff0_used~0_In712314129} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite31, ULTIMATE.start_main_#t~ite32] because there is no mapped edge [2019-12-26 23:00:34,717 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [628] [628] L803-->L804: Formula: (and (= v_~x$r_buff0_thd0~0_125 v_~x$r_buff0_thd0~0_124) (not (= (mod v_~weak$$choice2~0_35 256) 0))) InVars {~x$r_buff0_thd0~0=v_~x$r_buff0_thd0~0_125, ~weak$$choice2~0=v_~weak$$choice2~0_35} OutVars{~x$r_buff0_thd0~0=v_~x$r_buff0_thd0~0_124, ULTIMATE.start_main_#t~ite41=|v_ULTIMATE.start_main_#t~ite41_8|, ULTIMATE.start_main_#t~ite40=|v_ULTIMATE.start_main_#t~ite40_10|, ULTIMATE.start_main_#t~ite39=|v_ULTIMATE.start_main_#t~ite39_19|, ~weak$$choice2~0=v_~weak$$choice2~0_35} AuxVars[] AssignedVars[~x$r_buff0_thd0~0, ULTIMATE.start_main_#t~ite41, ULTIMATE.start_main_#t~ite40, ULTIMATE.start_main_#t~ite39] because there is no mapped edge [2019-12-26 23:00:34,718 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [682] [682] L806-->L809-1: Formula: (and (not (= (mod v_~x$flush_delayed~0_27 256) 0)) (= v_~x$mem_tmp~0_15 v_~x~0_118) (= v_~x$flush_delayed~0_26 0) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6| (mod v_~main$tmp_guard1~0_15 256))) InVars {~x$flush_delayed~0=v_~x$flush_delayed~0_27, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_15, ~x$mem_tmp~0=v_~x$mem_tmp~0_15} OutVars{~x$flush_delayed~0=v_~x$flush_delayed~0_26, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_15, ~x$mem_tmp~0=v_~x$mem_tmp~0_15, ~x~0=v_~x~0_118, ULTIMATE.start_main_#t~ite45=|v_ULTIMATE.start_main_#t~ite45_21|, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[~x$flush_delayed~0, ~x~0, ULTIMATE.start_main_#t~ite45, ULTIMATE.start___VERIFIER_assert_#in~expression] because there is no mapped edge [2019-12-26 23:00:34,718 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [679] [679] L809-1-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= v_ULTIMATE.start___VERIFIER_assert_~expression_10 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|) (= v_ULTIMATE.start___VERIFIER_assert_~expression_10 0)) InVars {ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} OutVars{ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_10, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_4|} AuxVars[] AssignedVars[ULTIMATE.start___VERIFIER_assert_~expression] because there is no mapped edge [2019-12-26 23:00:34,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.12 11:00:34 BasicIcfg [2019-12-26 23:00:34,821 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-26 23:00:34,829 INFO L168 Benchmark]: Toolchain (without parser) took 13107.16 ms. Allocated memory was 146.8 MB in the beginning and 432.5 MB in the end (delta: 285.7 MB). Free memory was 102.0 MB in the beginning and 308.2 MB in the end (delta: -206.2 MB). Peak memory consumption was 79.5 MB. Max. memory is 7.1 GB. [2019-12-26 23:00:34,830 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 146.8 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-26 23:00:34,831 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.17 ms. Allocated memory was 146.8 MB in the beginning and 205.0 MB in the end (delta: 58.2 MB). Free memory was 101.7 MB in the beginning and 159.6 MB in the end (delta: -57.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-12-26 23:00:34,831 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.48 ms. Allocated memory is still 205.0 MB. Free memory was 159.6 MB in the beginning and 156.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-12-26 23:00:34,832 INFO L168 Benchmark]: Boogie Preprocessor took 38.36 ms. Allocated memory is still 205.0 MB. Free memory was 156.4 MB in the beginning and 154.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-26 23:00:34,837 INFO L168 Benchmark]: RCFGBuilder took 819.95 ms. Allocated memory is still 205.0 MB. Free memory was 154.5 MB in the beginning and 110.2 MB in the end (delta: 44.3 MB). Peak memory consumption was 44.3 MB. Max. memory is 7.1 GB. [2019-12-26 23:00:34,837 INFO L168 Benchmark]: TraceAbstraction took 11474.82 ms. Allocated memory was 205.0 MB in the beginning and 432.5 MB in the end (delta: 227.5 MB). Free memory was 109.5 MB in the beginning and 308.2 MB in the end (delta: -198.7 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. [2019-12-26 23:00:34,843 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 146.8 MB. Free memory was 121.9 MB in the beginning and 121.7 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 700.17 ms. Allocated memory was 146.8 MB in the beginning and 205.0 MB in the end (delta: 58.2 MB). Free memory was 101.7 MB in the beginning and 159.6 MB in the end (delta: -57.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 68.48 ms. Allocated memory is still 205.0 MB. Free memory was 159.6 MB in the beginning and 156.4 MB in the end (delta: 3.2 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 38.36 ms. Allocated memory is still 205.0 MB. Free memory was 156.4 MB in the beginning and 154.5 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 819.95 ms. Allocated memory is still 205.0 MB. Free memory was 154.5 MB in the beginning and 110.2 MB in the end (delta: 44.3 MB). Peak memory consumption was 44.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 11474.82 ms. Allocated memory was 205.0 MB in the beginning and 432.5 MB in the end (delta: 227.5 MB). Free memory was 109.5 MB in the beginning and 308.2 MB in the end (delta: -198.7 MB). Peak memory consumption was 28.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 4.6s, 146 ProgramPointsBefore, 78 ProgramPointsAfterwards, 180 TransitionsBefore, 90 TransitionsAfterwards, 10378 CoEnabledTransitionPairs, 7 FixpointIterations, 28 TrivialSequentialCompositions, 36 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 36 ConcurrentYvCompositions, 25 ChoiceCompositions, 3816 VarBasedMoverChecksPositive, 194 VarBasedMoverChecksNegative, 52 SemBasedMoverChecksPositive, 191 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.2s, 0 MoverChecksTotal, 46078 CheckedPairsTotal, 100 TotalNumberOfCompositions - CounterExampleResult [Line: 4]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L779] FCALL, FORK 0 pthread_create(&t1451, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L781] FCALL, FORK 0 pthread_create(&t1452, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=0] [L747] 2 x$r_buff1_thd0 = x$r_buff0_thd0 [L748] 2 x$r_buff1_thd1 = x$r_buff0_thd1 [L749] 2 x$r_buff1_thd2 = x$r_buff0_thd2 [L750] 2 x$r_buff0_thd2 = (_Bool)1 [L753] 2 __unbuffered_p1_EAX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L756] EXPR 2 x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=0] [L722] 1 y = 1 [L725] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L728] EXPR 1 x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, y=1] [L728] 1 x = x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd1 ? x$w_buff1 : x) [L729] 1 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used [L730] 1 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd1 || x$w_buff1_used && x$r_buff1_thd1 ? (_Bool)0 : x$w_buff1_used [L756] 2 x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x) [L757] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used [L731] 1 x$r_buff0_thd1 = x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1 [L758] 2 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used [L787] EXPR 0 x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L787] 0 x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x) [L788] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used [L789] 0 x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used [L790] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0 [L791] 0 x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$r_buff1_thd0 [L794] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L795] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L796] 0 x$flush_delayed = weak$$choice2 [L797] 0 x$mem_tmp = x VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=1, x=2, x$flush_delayed=1, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L798] EXPR 0 !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=1, x=2, x$flush_delayed=1, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L798] 0 x = !x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff1) [L799] EXPR 0 weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=1, x=2, x$flush_delayed=1, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L799] 0 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : x$w_buff0)) [L800] 0 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff1 : x$w_buff1)) [L801] EXPR 0 weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=1, x=2, x$flush_delayed=1, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L801] 0 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used)) [L802] EXPR 0 weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=1, x=2, x$flush_delayed=1, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L802] 0 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L804] EXPR 0 weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=1, x=2, x$flush_delayed=1, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] [L804] 0 x$r_buff1_thd0 = weak$$choice2 ? x$r_buff1_thd0 : (!x$w_buff0_used || !x$r_buff0_thd0 && !x$w_buff1_used || !x$r_buff0_thd0 && !x$r_buff1_thd0 ? x$r_buff1_thd0 : (x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L805] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 0) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=1, x=2, x$flush_delayed=1, x$mem_tmp=2, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=2, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, y=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 140 locations, 2 error locations. Result: UNSAFE, OverallTime: 11.2s, OverallIterations: 14, TraceHistogramMax: 1, AutomataDifference: 3.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1278 SDtfs, 1135 SDslu, 2883 SDs, 0 SdLazy, 1586 SolverSat, 100 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 110 GetRequests, 21 SyntacticMatches, 9 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8413occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 860 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 579 NumberOfCodeBlocks, 579 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 512 ConstructedInterpolants, 0 QuantifiedInterpolants, 84694 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 13 InterpolantComputations, 13 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...