/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/safe010_pso.opt.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-18 14:36:34,182 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-18 14:36:34,185 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-18 14:36:34,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-18 14:36:34,198 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-18 14:36:34,199 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-18 14:36:34,200 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-18 14:36:34,202 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-18 14:36:34,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-18 14:36:34,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-18 14:36:34,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-18 14:36:34,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-18 14:36:34,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-18 14:36:34,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-18 14:36:34,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-18 14:36:34,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-18 14:36:34,210 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-18 14:36:34,211 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-18 14:36:34,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-18 14:36:34,215 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-18 14:36:34,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-18 14:36:34,217 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-18 14:36:34,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-18 14:36:34,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-18 14:36:34,221 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-18 14:36:34,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-18 14:36:34,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-18 14:36:34,226 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-18 14:36:34,227 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-18 14:36:34,228 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-18 14:36:34,228 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-18 14:36:34,229 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-18 14:36:34,230 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-18 14:36:34,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-18 14:36:34,231 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-18 14:36:34,232 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-18 14:36:34,233 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-18 14:36:34,259 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-18 14:36:34,259 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-18 14:36:34,260 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-18 14:36:34,260 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-18 14:36:34,263 INFO L138 SettingsManager]: * Use SBE=true [2019-12-18 14:36:34,263 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-18 14:36:34,263 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-18 14:36:34,263 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-18 14:36:34,264 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-18 14:36:34,264 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-18 14:36:34,264 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-18 14:36:34,264 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-18 14:36:34,264 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-18 14:36:34,264 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-18 14:36:34,265 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-18 14:36:34,265 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-18 14:36:34,265 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-18 14:36:34,265 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-18 14:36:34,265 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-18 14:36:34,266 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-18 14:36:34,266 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-18 14:36:34,266 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 14:36:34,266 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-18 14:36:34,266 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-18 14:36:34,267 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-18 14:36:34,267 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-18 14:36:34,267 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-18 14:36:34,267 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-18 14:36:34,267 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-18 14:36:34,268 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-18 14:36:34,513 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-18 14:36:34,532 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-18 14:36:34,535 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-18 14:36:34,537 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-18 14:36:34,537 INFO L275 PluginConnector]: CDTParser initialized [2019-12-18 14:36:34,538 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe010_pso.opt.i [2019-12-18 14:36:34,611 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd55ca8c4/13bb25d2181d47a78edc31113c6853cc/FLAG0abe64305 [2019-12-18 14:36:35,151 INFO L306 CDTParser]: Found 1 translation units. [2019-12-18 14:36:35,151 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe010_pso.opt.i [2019-12-18 14:36:35,171 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd55ca8c4/13bb25d2181d47a78edc31113c6853cc/FLAG0abe64305 [2019-12-18 14:36:35,453 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd55ca8c4/13bb25d2181d47a78edc31113c6853cc [2019-12-18 14:36:35,464 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-18 14:36:35,466 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-18 14:36:35,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-18 14:36:35,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-18 14:36:35,475 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-18 14:36:35,476 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 02:36:35" (1/1) ... [2019-12-18 14:36:35,478 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10ce2774 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:36:35, skipping insertion in model container [2019-12-18 14:36:35,479 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 02:36:35" (1/1) ... [2019-12-18 14:36:35,485 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-18 14:36:35,536 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-18 14:36:36,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 14:36:36,113 INFO L203 MainTranslator]: Completed pre-run [2019-12-18 14:36:36,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 14:36:36,270 INFO L208 MainTranslator]: Completed translation [2019-12-18 14:36:36,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:36:36 WrapperNode [2019-12-18 14:36:36,270 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-18 14:36:36,271 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-18 14:36:36,271 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-18 14:36:36,271 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-18 14:36:36,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:36:36" (1/1) ... [2019-12-18 14:36:36,303 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:36:36" (1/1) ... [2019-12-18 14:36:36,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-18 14:36:36,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-18 14:36:36,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-18 14:36:36,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-18 14:36:36,355 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:36:36" (1/1) ... [2019-12-18 14:36:36,355 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:36:36" (1/1) ... [2019-12-18 14:36:36,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:36:36" (1/1) ... [2019-12-18 14:36:36,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:36:36" (1/1) ... [2019-12-18 14:36:36,370 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:36:36" (1/1) ... [2019-12-18 14:36:36,373 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:36:36" (1/1) ... [2019-12-18 14:36:36,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:36:36" (1/1) ... [2019-12-18 14:36:36,382 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-18 14:36:36,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-18 14:36:36,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-18 14:36:36,383 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-18 14:36:36,384 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:36:36" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 14:36:36,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-18 14:36:36,451 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-18 14:36:36,451 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-18 14:36:36,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-18 14:36:36,451 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-18 14:36:36,452 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-18 14:36:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-18 14:36:36,452 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-18 14:36:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-18 14:36:36,452 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-18 14:36:36,453 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-18 14:36:36,454 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-18 14:36:37,167 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-18 14:36:37,167 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-18 14:36:37,168 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 02:36:37 BoogieIcfgContainer [2019-12-18 14:36:37,168 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-18 14:36:37,169 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-18 14:36:37,170 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-18 14:36:37,173 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-18 14:36:37,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 02:36:35" (1/3) ... [2019-12-18 14:36:37,174 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3837b921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 02:36:37, skipping insertion in model container [2019-12-18 14:36:37,174 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 02:36:36" (2/3) ... [2019-12-18 14:36:37,175 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3837b921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 02:36:37, skipping insertion in model container [2019-12-18 14:36:37,175 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 02:36:37" (3/3) ... [2019-12-18 14:36:37,178 INFO L109 eAbstractionObserver]: Analyzing ICFG safe010_pso.opt.i [2019-12-18 14:36:37,189 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-18 14:36:37,189 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-18 14:36:37,206 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 2 error locations. [2019-12-18 14:36:37,207 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-18 14:36:37,249 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,250 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,250 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,251 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,251 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,251 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,251 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,252 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,252 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,253 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,253 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,253 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,253 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,254 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,254 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,254 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,254 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,255 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,255 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,255 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,255 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,256 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,256 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,256 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,257 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,257 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,257 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,257 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,258 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,258 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,258 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,258 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,259 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,259 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,260 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,260 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,260 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,260 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,261 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,261 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,261 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,261 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,262 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,262 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,262 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,263 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,263 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,263 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,263 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,263 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,264 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,264 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,264 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,265 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,265 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,265 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,266 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,266 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,266 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,266 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,267 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,267 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,267 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,267 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,271 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,272 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,272 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,272 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,273 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,273 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,273 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,273 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,274 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,274 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,274 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,274 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,277 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,278 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,278 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,278 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,278 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,279 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,279 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,279 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,279 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,280 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 14:36:37,295 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-18 14:36:37,311 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 14:36:37,312 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 14:36:37,312 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 14:36:37,312 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 14:36:37,312 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 14:36:37,312 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 14:36:37,312 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 14:36:37,313 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 14:36:37,330 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 146 places, 180 transitions [2019-12-18 14:36:37,332 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 146 places, 180 transitions [2019-12-18 14:36:37,454 INFO L126 PetriNetUnfolder]: 41/178 cut-off events. [2019-12-18 14:36:37,454 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 14:36:37,473 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 248 event pairs. 6/141 useless extension candidates. Maximal degree in co-relation 150. Up to 2 conditions per place. [2019-12-18 14:36:37,490 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 146 places, 180 transitions [2019-12-18 14:36:37,562 INFO L126 PetriNetUnfolder]: 41/178 cut-off events. [2019-12-18 14:36:37,563 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 14:36:37,570 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 248 event pairs. 6/141 useless extension candidates. Maximal degree in co-relation 150. Up to 2 conditions per place. [2019-12-18 14:36:37,589 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 10418 [2019-12-18 14:36:37,591 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-18 14:36:42,229 WARN L192 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 79 [2019-12-18 14:36:42,366 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2019-12-18 14:36:42,397 INFO L206 etLargeBlockEncoding]: Checked pairs total: 46090 [2019-12-18 14:36:42,397 INFO L214 etLargeBlockEncoding]: Total number of compositions: 101 [2019-12-18 14:36:42,401 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 79 places, 91 transitions [2019-12-18 14:36:42,867 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 8654 states. [2019-12-18 14:36:42,869 INFO L276 IsEmpty]: Start isEmpty. Operand 8654 states. [2019-12-18 14:36:42,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-12-18 14:36:42,876 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:36:42,877 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-12-18 14:36:42,877 INFO L410 AbstractCegarLoop]: === Iteration 1 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:36:42,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:36:42,884 INFO L82 PathProgramCache]: Analyzing trace with hash 722891, now seen corresponding path program 1 times [2019-12-18 14:36:42,892 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:36:42,892 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41345702] [2019-12-18 14:36:42,892 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:36:43,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:36:43,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 14:36:43,091 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41345702] [2019-12-18 14:36:43,093 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:36:43,093 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-18 14:36:43,094 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849512195] [2019-12-18 14:36:43,100 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 14:36:43,101 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:36:43,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 14:36:43,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 14:36:43,119 INFO L87 Difference]: Start difference. First operand 8654 states. Second operand 3 states. [2019-12-18 14:36:43,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:36:43,350 INFO L93 Difference]: Finished difference Result 8604 states and 28108 transitions. [2019-12-18 14:36:43,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 14:36:43,351 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-12-18 14:36:43,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:36:43,480 INFO L225 Difference]: With dead ends: 8604 [2019-12-18 14:36:43,481 INFO L226 Difference]: Without dead ends: 8436 [2019-12-18 14:36:43,482 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 14:36:43,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8436 states. [2019-12-18 14:36:43,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8436 to 8436. [2019-12-18 14:36:43,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8436 states. [2019-12-18 14:36:43,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8436 states to 8436 states and 27590 transitions. [2019-12-18 14:36:43,980 INFO L78 Accepts]: Start accepts. Automaton has 8436 states and 27590 transitions. Word has length 3 [2019-12-18 14:36:43,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:36:43,981 INFO L462 AbstractCegarLoop]: Abstraction has 8436 states and 27590 transitions. [2019-12-18 14:36:43,981 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 14:36:43,981 INFO L276 IsEmpty]: Start isEmpty. Operand 8436 states and 27590 transitions. [2019-12-18 14:36:43,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-18 14:36:43,984 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:36:43,984 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 14:36:43,984 INFO L410 AbstractCegarLoop]: === Iteration 2 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:36:43,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:36:43,985 INFO L82 PathProgramCache]: Analyzing trace with hash -1596153002, now seen corresponding path program 1 times [2019-12-18 14:36:43,985 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:36:43,985 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342715013] [2019-12-18 14:36:43,985 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:36:44,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:36:44,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 14:36:44,100 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342715013] [2019-12-18 14:36:44,100 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:36:44,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 14:36:44,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [13363476] [2019-12-18 14:36:44,102 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 14:36:44,102 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:36:44,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 14:36:44,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 14:36:44,103 INFO L87 Difference]: Start difference. First operand 8436 states and 27590 transitions. Second operand 4 states. [2019-12-18 14:36:44,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:36:44,486 INFO L93 Difference]: Finished difference Result 13130 states and 41153 transitions. [2019-12-18 14:36:44,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-18 14:36:44,487 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-18 14:36:44,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:36:44,569 INFO L225 Difference]: With dead ends: 13130 [2019-12-18 14:36:44,569 INFO L226 Difference]: Without dead ends: 13123 [2019-12-18 14:36:44,571 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-18 14:36:44,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13123 states. [2019-12-18 14:36:45,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13123 to 11988. [2019-12-18 14:36:45,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11988 states. [2019-12-18 14:36:45,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11988 states to 11988 states and 38075 transitions. [2019-12-18 14:36:45,508 INFO L78 Accepts]: Start accepts. Automaton has 11988 states and 38075 transitions. Word has length 11 [2019-12-18 14:36:45,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:36:45,508 INFO L462 AbstractCegarLoop]: Abstraction has 11988 states and 38075 transitions. [2019-12-18 14:36:45,508 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 14:36:45,509 INFO L276 IsEmpty]: Start isEmpty. Operand 11988 states and 38075 transitions. [2019-12-18 14:36:45,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-18 14:36:45,511 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:36:45,511 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 14:36:45,512 INFO L410 AbstractCegarLoop]: === Iteration 3 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:36:45,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:36:45,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1194917716, now seen corresponding path program 1 times [2019-12-18 14:36:45,512 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:36:45,513 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1173403752] [2019-12-18 14:36:45,513 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:36:45,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:36:45,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 14:36:45,605 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1173403752] [2019-12-18 14:36:45,607 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:36:45,607 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 14:36:45,607 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673154226] [2019-12-18 14:36:45,607 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 14:36:45,608 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:36:45,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 14:36:45,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 14:36:45,608 INFO L87 Difference]: Start difference. First operand 11988 states and 38075 transitions. Second operand 4 states. [2019-12-18 14:36:45,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:36:45,851 INFO L93 Difference]: Finished difference Result 14736 states and 46267 transitions. [2019-12-18 14:36:45,852 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-18 14:36:45,852 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-12-18 14:36:45,853 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:36:45,897 INFO L225 Difference]: With dead ends: 14736 [2019-12-18 14:36:45,898 INFO L226 Difference]: Without dead ends: 14736 [2019-12-18 14:36:45,898 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-18 14:36:46,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14736 states. [2019-12-18 14:36:46,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14736 to 13160. [2019-12-18 14:36:46,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13160 states. [2019-12-18 14:36:46,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13160 states to 13160 states and 41689 transitions. [2019-12-18 14:36:46,419 INFO L78 Accepts]: Start accepts. Automaton has 13160 states and 41689 transitions. Word has length 11 [2019-12-18 14:36:46,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:36:46,420 INFO L462 AbstractCegarLoop]: Abstraction has 13160 states and 41689 transitions. [2019-12-18 14:36:46,420 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 14:36:46,421 INFO L276 IsEmpty]: Start isEmpty. Operand 13160 states and 41689 transitions. [2019-12-18 14:36:46,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-12-18 14:36:46,428 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:36:46,428 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 14:36:46,428 INFO L410 AbstractCegarLoop]: === Iteration 4 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:36:46,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:36:46,429 INFO L82 PathProgramCache]: Analyzing trace with hash -1502155024, now seen corresponding path program 1 times [2019-12-18 14:36:46,430 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:36:46,433 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244999723] [2019-12-18 14:36:46,434 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:36:46,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:36:46,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 14:36:46,548 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244999723] [2019-12-18 14:36:46,548 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:36:46,548 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 14:36:46,548 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953554251] [2019-12-18 14:36:46,549 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-18 14:36:46,549 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:36:46,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-18 14:36:46,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-18 14:36:46,550 INFO L87 Difference]: Start difference. First operand 13160 states and 41689 transitions. Second operand 5 states. [2019-12-18 14:36:47,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:36:47,009 INFO L93 Difference]: Finished difference Result 17572 states and 54523 transitions. [2019-12-18 14:36:47,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-12-18 14:36:47,009 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 17 [2019-12-18 14:36:47,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:36:47,063 INFO L225 Difference]: With dead ends: 17572 [2019-12-18 14:36:47,063 INFO L226 Difference]: Without dead ends: 17565 [2019-12-18 14:36:47,064 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-12-18 14:36:47,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17565 states. [2019-12-18 14:36:47,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17565 to 13105. [2019-12-18 14:36:47,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13105 states. [2019-12-18 14:36:47,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13105 states to 13105 states and 41426 transitions. [2019-12-18 14:36:47,575 INFO L78 Accepts]: Start accepts. Automaton has 13105 states and 41426 transitions. Word has length 17 [2019-12-18 14:36:47,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:36:47,575 INFO L462 AbstractCegarLoop]: Abstraction has 13105 states and 41426 transitions. [2019-12-18 14:36:47,576 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-18 14:36:47,576 INFO L276 IsEmpty]: Start isEmpty. Operand 13105 states and 41426 transitions. [2019-12-18 14:36:47,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-18 14:36:47,588 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:36:47,588 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 14:36:47,589 INFO L410 AbstractCegarLoop]: === Iteration 5 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:36:47,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:36:47,589 INFO L82 PathProgramCache]: Analyzing trace with hash 933350131, now seen corresponding path program 1 times [2019-12-18 14:36:47,589 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:36:47,589 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2084198361] [2019-12-18 14:36:47,590 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:36:47,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:36:47,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 14:36:47,653 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2084198361] [2019-12-18 14:36:47,653 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:36:47,654 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 14:36:47,654 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006957830] [2019-12-18 14:36:47,654 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 14:36:47,654 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:36:47,655 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 14:36:47,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 14:36:47,655 INFO L87 Difference]: Start difference. First operand 13105 states and 41426 transitions. Second operand 3 states. [2019-12-18 14:36:47,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:36:47,744 INFO L93 Difference]: Finished difference Result 16057 states and 50095 transitions. [2019-12-18 14:36:47,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 14:36:47,745 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2019-12-18 14:36:47,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:36:47,780 INFO L225 Difference]: With dead ends: 16057 [2019-12-18 14:36:47,780 INFO L226 Difference]: Without dead ends: 16057 [2019-12-18 14:36:47,780 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 14:36:47,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16057 states. [2019-12-18 14:36:48,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16057 to 14186. [2019-12-18 14:36:48,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14186 states. [2019-12-18 14:36:48,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14186 states to 14186 states and 44710 transitions. [2019-12-18 14:36:48,985 INFO L78 Accepts]: Start accepts. Automaton has 14186 states and 44710 transitions. Word has length 25 [2019-12-18 14:36:48,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:36:48,992 INFO L462 AbstractCegarLoop]: Abstraction has 14186 states and 44710 transitions. [2019-12-18 14:36:48,992 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 14:36:48,992 INFO L276 IsEmpty]: Start isEmpty. Operand 14186 states and 44710 transitions. [2019-12-18 14:36:49,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-12-18 14:36:49,010 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:36:49,010 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 14:36:49,010 INFO L410 AbstractCegarLoop]: === Iteration 6 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:36:49,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:36:49,011 INFO L82 PathProgramCache]: Analyzing trace with hash 933194542, now seen corresponding path program 1 times [2019-12-18 14:36:49,011 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:36:49,011 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1706448869] [2019-12-18 14:36:49,011 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:36:49,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:36:49,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 14:36:49,117 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1706448869] [2019-12-18 14:36:49,119 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:36:49,119 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-18 14:36:49,119 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771291149] [2019-12-18 14:36:49,120 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-18 14:36:49,120 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:36:49,120 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-18 14:36:49,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-18 14:36:49,120 INFO L87 Difference]: Start difference. First operand 14186 states and 44710 transitions. Second operand 4 states. [2019-12-18 14:36:49,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:36:49,153 INFO L93 Difference]: Finished difference Result 2296 states and 5226 transitions. [2019-12-18 14:36:49,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-18 14:36:49,154 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2019-12-18 14:36:49,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:36:49,158 INFO L225 Difference]: With dead ends: 2296 [2019-12-18 14:36:49,158 INFO L226 Difference]: Without dead ends: 2019 [2019-12-18 14:36:49,158 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-18 14:36:49,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2019 states. [2019-12-18 14:36:49,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2019 to 2019. [2019-12-18 14:36:49,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2019 states. [2019-12-18 14:36:49,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2019 states to 2019 states and 4460 transitions. [2019-12-18 14:36:49,191 INFO L78 Accepts]: Start accepts. Automaton has 2019 states and 4460 transitions. Word has length 25 [2019-12-18 14:36:49,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:36:49,192 INFO L462 AbstractCegarLoop]: Abstraction has 2019 states and 4460 transitions. [2019-12-18 14:36:49,192 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-18 14:36:49,192 INFO L276 IsEmpty]: Start isEmpty. Operand 2019 states and 4460 transitions. [2019-12-18 14:36:49,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2019-12-18 14:36:49,196 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:36:49,196 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] [2019-12-18 14:36:49,196 INFO L410 AbstractCegarLoop]: === Iteration 7 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:36:49,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:36:49,196 INFO L82 PathProgramCache]: Analyzing trace with hash -568804126, now seen corresponding path program 1 times [2019-12-18 14:36:49,197 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:36:49,197 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1929288520] [2019-12-18 14:36:49,197 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:36:49,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:36:49,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 14:36:49,301 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1929288520] [2019-12-18 14:36:49,301 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:36:49,302 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-18 14:36:49,302 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391116341] [2019-12-18 14:36:49,302 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-18 14:36:49,302 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:36:49,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-18 14:36:49,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-18 14:36:49,304 INFO L87 Difference]: Start difference. First operand 2019 states and 4460 transitions. Second operand 5 states. [2019-12-18 14:36:49,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:36:49,345 INFO L93 Difference]: Finished difference Result 416 states and 758 transitions. [2019-12-18 14:36:49,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-18 14:36:49,346 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 37 [2019-12-18 14:36:49,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:36:49,347 INFO L225 Difference]: With dead ends: 416 [2019-12-18 14:36:49,347 INFO L226 Difference]: Without dead ends: 371 [2019-12-18 14:36:49,347 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-12-18 14:36:49,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2019-12-18 14:36:49,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 343. [2019-12-18 14:36:49,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2019-12-18 14:36:49,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 618 transitions. [2019-12-18 14:36:49,353 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 618 transitions. Word has length 37 [2019-12-18 14:36:49,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:36:49,353 INFO L462 AbstractCegarLoop]: Abstraction has 343 states and 618 transitions. [2019-12-18 14:36:49,353 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-18 14:36:49,353 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 618 transitions. [2019-12-18 14:36:49,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-12-18 14:36:49,355 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:36:49,355 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 14:36:49,355 INFO L410 AbstractCegarLoop]: === Iteration 8 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:36:49,356 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:36:49,356 INFO L82 PathProgramCache]: Analyzing trace with hash -506418728, now seen corresponding path program 1 times [2019-12-18 14:36:49,356 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:36:49,356 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488628570] [2019-12-18 14:36:49,356 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:36:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:36:49,455 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 14:36:49,456 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488628570] [2019-12-18 14:36:49,456 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:36:49,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 14:36:49,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416267225] [2019-12-18 14:36:49,457 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 14:36:49,457 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:36:49,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 14:36:49,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 14:36:49,458 INFO L87 Difference]: Start difference. First operand 343 states and 618 transitions. Second operand 3 states. [2019-12-18 14:36:49,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:36:49,471 INFO L93 Difference]: Finished difference Result 331 states and 582 transitions. [2019-12-18 14:36:49,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 14:36:49,471 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-12-18 14:36:49,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:36:49,472 INFO L225 Difference]: With dead ends: 331 [2019-12-18 14:36:49,472 INFO L226 Difference]: Without dead ends: 331 [2019-12-18 14:36:49,473 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 14:36:49,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2019-12-18 14:36:49,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 331. [2019-12-18 14:36:49,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2019-12-18 14:36:49,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 582 transitions. [2019-12-18 14:36:49,478 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 582 transitions. Word has length 52 [2019-12-18 14:36:49,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:36:49,479 INFO L462 AbstractCegarLoop]: Abstraction has 331 states and 582 transitions. [2019-12-18 14:36:49,480 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 14:36:49,480 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 582 transitions. [2019-12-18 14:36:49,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-18 14:36:49,481 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:36:49,481 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 14:36:49,481 INFO L410 AbstractCegarLoop]: === Iteration 9 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:36:49,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:36:49,482 INFO L82 PathProgramCache]: Analyzing trace with hash -156128935, now seen corresponding path program 1 times [2019-12-18 14:36:49,482 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:36:49,482 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136035188] [2019-12-18 14:36:49,482 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:36:49,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:36:49,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 14:36:49,608 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136035188] [2019-12-18 14:36:49,608 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:36:49,609 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-12-18 14:36:49,609 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923736748] [2019-12-18 14:36:49,609 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-18 14:36:49,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:36:49,610 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-18 14:36:49,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-12-18 14:36:49,610 INFO L87 Difference]: Start difference. First operand 331 states and 582 transitions. Second operand 5 states. [2019-12-18 14:36:49,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:36:49,781 INFO L93 Difference]: Finished difference Result 487 states and 864 transitions. [2019-12-18 14:36:49,782 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-18 14:36:49,782 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2019-12-18 14:36:49,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:36:49,783 INFO L225 Difference]: With dead ends: 487 [2019-12-18 14:36:49,783 INFO L226 Difference]: Without dead ends: 487 [2019-12-18 14:36:49,784 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-18 14:36:49,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2019-12-18 14:36:49,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 422. [2019-12-18 14:36:49,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 422 states. [2019-12-18 14:36:49,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 422 states and 748 transitions. [2019-12-18 14:36:49,791 INFO L78 Accepts]: Start accepts. Automaton has 422 states and 748 transitions. Word has length 53 [2019-12-18 14:36:49,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:36:49,791 INFO L462 AbstractCegarLoop]: Abstraction has 422 states and 748 transitions. [2019-12-18 14:36:49,791 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-18 14:36:49,792 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 748 transitions. [2019-12-18 14:36:49,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-18 14:36:49,793 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:36:49,793 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 14:36:49,793 INFO L410 AbstractCegarLoop]: === Iteration 10 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:36:49,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:36:49,794 INFO L82 PathProgramCache]: Analyzing trace with hash -2022513439, now seen corresponding path program 2 times [2019-12-18 14:36:49,794 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:36:49,794 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676153312] [2019-12-18 14:36:49,794 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:36:49,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:36:49,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 14:36:49,906 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [676153312] [2019-12-18 14:36:49,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:36:49,907 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-18 14:36:49,907 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129316977] [2019-12-18 14:36:49,907 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-18 14:36:49,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:36:49,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-18 14:36:49,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-12-18 14:36:49,908 INFO L87 Difference]: Start difference. First operand 422 states and 748 transitions. Second operand 6 states. [2019-12-18 14:36:49,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:36:49,972 INFO L93 Difference]: Finished difference Result 680 states and 1203 transitions. [2019-12-18 14:36:49,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-12-18 14:36:49,972 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 53 [2019-12-18 14:36:49,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:36:49,973 INFO L225 Difference]: With dead ends: 680 [2019-12-18 14:36:49,973 INFO L226 Difference]: Without dead ends: 309 [2019-12-18 14:36:49,973 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-12-18 14:36:49,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2019-12-18 14:36:49,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2019-12-18 14:36:49,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2019-12-18 14:36:49,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 552 transitions. [2019-12-18 14:36:49,978 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 552 transitions. Word has length 53 [2019-12-18 14:36:49,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:36:49,978 INFO L462 AbstractCegarLoop]: Abstraction has 309 states and 552 transitions. [2019-12-18 14:36:49,978 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-18 14:36:49,978 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 552 transitions. [2019-12-18 14:36:49,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-18 14:36:49,979 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:36:49,979 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 14:36:49,980 INFO L410 AbstractCegarLoop]: === Iteration 11 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:36:49,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:36:49,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1828454951, now seen corresponding path program 3 times [2019-12-18 14:36:49,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:36:49,981 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433007243] [2019-12-18 14:36:49,981 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:36:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:36:50,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 14:36:50,113 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433007243] [2019-12-18 14:36:50,113 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:36:50,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-12-18 14:36:50,113 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068902246] [2019-12-18 14:36:50,114 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-18 14:36:50,114 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:36:50,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-18 14:36:50,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-12-18 14:36:50,115 INFO L87 Difference]: Start difference. First operand 309 states and 552 transitions. Second operand 8 states. [2019-12-18 14:36:50,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:36:50,546 INFO L93 Difference]: Finished difference Result 396 states and 665 transitions. [2019-12-18 14:36:50,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-12-18 14:36:50,547 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 53 [2019-12-18 14:36:50,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:36:50,548 INFO L225 Difference]: With dead ends: 396 [2019-12-18 14:36:50,548 INFO L226 Difference]: Without dead ends: 396 [2019-12-18 14:36:50,548 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2019-12-18 14:36:50,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2019-12-18 14:36:50,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 249. [2019-12-18 14:36:50,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2019-12-18 14:36:50,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 421 transitions. [2019-12-18 14:36:50,553 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 421 transitions. Word has length 53 [2019-12-18 14:36:50,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:36:50,553 INFO L462 AbstractCegarLoop]: Abstraction has 249 states and 421 transitions. [2019-12-18 14:36:50,553 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-18 14:36:50,553 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 421 transitions. [2019-12-18 14:36:50,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-12-18 14:36:50,554 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:36:50,554 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-18 14:36:50,554 INFO L410 AbstractCegarLoop]: === Iteration 12 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:36:50,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:36:50,555 INFO L82 PathProgramCache]: Analyzing trace with hash -1114856101, now seen corresponding path program 4 times [2019-12-18 14:36:50,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:36:50,555 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928309119] [2019-12-18 14:36:50,555 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:36:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:36:50,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 14:36:50,617 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928309119] [2019-12-18 14:36:50,618 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:36:50,618 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-18 14:36:50,618 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162367149] [2019-12-18 14:36:50,618 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-18 14:36:50,619 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:36:50,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-18 14:36:50,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 14:36:50,619 INFO L87 Difference]: Start difference. First operand 249 states and 421 transitions. Second operand 3 states. [2019-12-18 14:36:50,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:36:50,655 INFO L93 Difference]: Finished difference Result 249 states and 420 transitions. [2019-12-18 14:36:50,655 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-18 14:36:50,655 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-12-18 14:36:50,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:36:50,656 INFO L225 Difference]: With dead ends: 249 [2019-12-18 14:36:50,656 INFO L226 Difference]: Without dead ends: 249 [2019-12-18 14:36:50,656 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-18 14:36:50,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2019-12-18 14:36:50,659 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 206. [2019-12-18 14:36:50,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2019-12-18 14:36:50,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 347 transitions. [2019-12-18 14:36:50,660 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 347 transitions. Word has length 53 [2019-12-18 14:36:50,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:36:50,660 INFO L462 AbstractCegarLoop]: Abstraction has 206 states and 347 transitions. [2019-12-18 14:36:50,660 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-18 14:36:50,661 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 347 transitions. [2019-12-18 14:36:50,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-18 14:36:50,661 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:36:50,661 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] [2019-12-18 14:36:50,662 INFO L410 AbstractCegarLoop]: === Iteration 13 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:36:50,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:36:50,662 INFO L82 PathProgramCache]: Analyzing trace with hash -1034362442, now seen corresponding path program 1 times [2019-12-18 14:36:50,662 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:36:50,662 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794912788] [2019-12-18 14:36:50,663 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:36:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:36:50,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 14:36:50,895 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794912788] [2019-12-18 14:36:50,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:36:50,895 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-12-18 14:36:50,895 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [132369051] [2019-12-18 14:36:50,895 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-12-18 14:36:50,896 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:36:50,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-12-18 14:36:50,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2019-12-18 14:36:50,897 INFO L87 Difference]: Start difference. First operand 206 states and 347 transitions. Second operand 13 states. [2019-12-18 14:36:51,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:36:51,324 INFO L93 Difference]: Finished difference Result 373 states and 621 transitions. [2019-12-18 14:36:51,324 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-12-18 14:36:51,325 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 54 [2019-12-18 14:36:51,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:36:51,326 INFO L225 Difference]: With dead ends: 373 [2019-12-18 14:36:51,326 INFO L226 Difference]: Without dead ends: 340 [2019-12-18 14:36:51,327 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=84, Invalid=378, Unknown=0, NotChecked=0, Total=462 [2019-12-18 14:36:51,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2019-12-18 14:36:51,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 306. [2019-12-18 14:36:51,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2019-12-18 14:36:51,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 518 transitions. [2019-12-18 14:36:51,332 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 518 transitions. Word has length 54 [2019-12-18 14:36:51,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:36:51,332 INFO L462 AbstractCegarLoop]: Abstraction has 306 states and 518 transitions. [2019-12-18 14:36:51,332 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-12-18 14:36:51,333 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 518 transitions. [2019-12-18 14:36:51,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-18 14:36:51,334 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:36:51,334 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] [2019-12-18 14:36:51,334 INFO L410 AbstractCegarLoop]: === Iteration 14 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:36:51,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:36:51,334 INFO L82 PathProgramCache]: Analyzing trace with hash 1326135034, now seen corresponding path program 2 times [2019-12-18 14:36:51,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:36:51,335 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1810145044] [2019-12-18 14:36:51,335 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:36:51,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:36:51,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 14:36:51,958 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1810145044] [2019-12-18 14:36:51,958 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:36:51,958 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2019-12-18 14:36:51,958 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490316810] [2019-12-18 14:36:51,959 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-12-18 14:36:51,959 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:36:51,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-12-18 14:36:51,960 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=309, Unknown=0, NotChecked=0, Total=380 [2019-12-18 14:36:51,960 INFO L87 Difference]: Start difference. First operand 306 states and 518 transitions. Second operand 20 states. [2019-12-18 14:36:52,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:36:52,887 INFO L93 Difference]: Finished difference Result 572 states and 950 transitions. [2019-12-18 14:36:52,888 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2019-12-18 14:36:52,888 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 54 [2019-12-18 14:36:52,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:36:52,889 INFO L225 Difference]: With dead ends: 572 [2019-12-18 14:36:52,889 INFO L226 Difference]: Without dead ends: 539 [2019-12-18 14:36:52,891 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 215 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=191, Invalid=865, Unknown=0, NotChecked=0, Total=1056 [2019-12-18 14:36:52,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 539 states. [2019-12-18 14:36:52,896 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 539 to 320. [2019-12-18 14:36:52,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2019-12-18 14:36:52,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 544 transitions. [2019-12-18 14:36:52,897 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 544 transitions. Word has length 54 [2019-12-18 14:36:52,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:36:52,898 INFO L462 AbstractCegarLoop]: Abstraction has 320 states and 544 transitions. [2019-12-18 14:36:52,898 INFO L463 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-12-18 14:36:52,898 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 544 transitions. [2019-12-18 14:36:52,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-18 14:36:52,899 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:36:52,899 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] [2019-12-18 14:36:52,899 INFO L410 AbstractCegarLoop]: === Iteration 15 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:36:52,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:36:52,900 INFO L82 PathProgramCache]: Analyzing trace with hash -778167690, now seen corresponding path program 3 times [2019-12-18 14:36:52,900 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:36:52,900 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [32670592] [2019-12-18 14:36:52,900 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:36:52,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:36:53,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 14:36:53,616 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [32670592] [2019-12-18 14:36:53,616 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:36:53,616 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2019-12-18 14:36:53,616 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010227663] [2019-12-18 14:36:53,617 INFO L442 AbstractCegarLoop]: Interpolant automaton has 20 states [2019-12-18 14:36:53,617 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:36:53,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2019-12-18 14:36:53,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2019-12-18 14:36:53,617 INFO L87 Difference]: Start difference. First operand 320 states and 544 transitions. Second operand 20 states. [2019-12-18 14:36:54,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:36:54,980 INFO L93 Difference]: Finished difference Result 587 states and 978 transitions. [2019-12-18 14:36:54,980 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2019-12-18 14:36:54,981 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 54 [2019-12-18 14:36:54,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:36:54,982 INFO L225 Difference]: With dead ends: 587 [2019-12-18 14:36:54,982 INFO L226 Difference]: Without dead ends: 554 [2019-12-18 14:36:54,983 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=204, Invalid=986, Unknown=0, NotChecked=0, Total=1190 [2019-12-18 14:36:54,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2019-12-18 14:36:54,988 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 318. [2019-12-18 14:36:54,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2019-12-18 14:36:54,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 540 transitions. [2019-12-18 14:36:54,990 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 540 transitions. Word has length 54 [2019-12-18 14:36:54,990 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:36:54,990 INFO L462 AbstractCegarLoop]: Abstraction has 318 states and 540 transitions. [2019-12-18 14:36:54,990 INFO L463 AbstractCegarLoop]: Interpolant automaton has 20 states. [2019-12-18 14:36:54,990 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 540 transitions. [2019-12-18 14:36:54,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-18 14:36:54,991 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:36:54,991 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] [2019-12-18 14:36:54,991 INFO L410 AbstractCegarLoop]: === Iteration 16 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:36:54,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:36:54,992 INFO L82 PathProgramCache]: Analyzing trace with hash 202960694, now seen corresponding path program 4 times [2019-12-18 14:36:54,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:36:54,992 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774358611] [2019-12-18 14:36:54,992 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:36:55,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 14:36:55,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 14:36:55,225 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774358611] [2019-12-18 14:36:55,225 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 14:36:55,227 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-12-18 14:36:55,227 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022907002] [2019-12-18 14:36:55,228 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-12-18 14:36:55,228 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 14:36:55,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-12-18 14:36:55,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2019-12-18 14:36:55,228 INFO L87 Difference]: Start difference. First operand 318 states and 540 transitions. Second operand 13 states. [2019-12-18 14:36:55,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 14:36:55,669 INFO L93 Difference]: Finished difference Result 423 states and 697 transitions. [2019-12-18 14:36:55,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-12-18 14:36:55,670 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 54 [2019-12-18 14:36:55,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 14:36:55,670 INFO L225 Difference]: With dead ends: 423 [2019-12-18 14:36:55,671 INFO L226 Difference]: Without dead ends: 388 [2019-12-18 14:36:55,671 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 0 SyntacticMatches, 2 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=409, Unknown=0, NotChecked=0, Total=506 [2019-12-18 14:36:55,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2019-12-18 14:36:55,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 314. [2019-12-18 14:36:55,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 314 states. [2019-12-18 14:36:55,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 532 transitions. [2019-12-18 14:36:55,677 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 532 transitions. Word has length 54 [2019-12-18 14:36:55,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 14:36:55,677 INFO L462 AbstractCegarLoop]: Abstraction has 314 states and 532 transitions. [2019-12-18 14:36:55,678 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-12-18 14:36:55,678 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 532 transitions. [2019-12-18 14:36:55,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2019-12-18 14:36:55,678 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 14:36:55,679 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] [2019-12-18 14:36:55,679 INFO L410 AbstractCegarLoop]: === Iteration 17 === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, P0Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 14:36:55,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 14:36:55,679 INFO L82 PathProgramCache]: Analyzing trace with hash -91775718, now seen corresponding path program 5 times [2019-12-18 14:36:55,680 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 14:36:55,680 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478875701] [2019-12-18 14:36:55,680 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 14:36:55,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 14:36:55,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-18 14:36:55,772 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-18 14:36:55,772 INFO L476 BasicCegarLoop]: Counterexample might be feasible [2019-12-18 14:36:55,777 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [702] [702] ULTIMATE.startENTRY-->L779: Formula: (let ((.cse0 (store |v_#valid_47| 0 0))) (and (= 0 v_~y$read_delayed_var~0.base_6) (= v_~y$r_buff1_thd0~0_329 0) (= |v_#length_13| (store |v_#length_14| |v_ULTIMATE.start_main_~#t2015~0.base_24| 4)) (= v_~y$w_buff0_used~0_834 0) (= (select .cse0 |v_ULTIMATE.start_main_~#t2015~0.base_24|) 0) (= 0 v_~__unbuffered_cnt~0_61) (= 0 v_~weak$$choice0~0_14) (= v_~y$r_buff1_thd1~0_200 0) (= (store |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2015~0.base_24| (store (select |v_#memory_int_12| |v_ULTIMATE.start_main_~#t2015~0.base_24|) |v_ULTIMATE.start_main_~#t2015~0.offset_19| 0)) |v_#memory_int_11|) (= 0 v_~x~0_147) (= |v_#NULL.offset_3| 0) (= |v_ULTIMATE.start_main_~#t2015~0.offset_19| 0) (< |v_#StackHeapBarrier_13| |v_ULTIMATE.start_main_~#t2015~0.base_24|) (= v_~main$tmp_guard1~0_27 0) (= v_~y$read_delayed~0_6 0) (= 0 v_~__unbuffered_p1_EAX~0_29) (= 0 v_~y$r_buff1_thd2~0_208) (= 0 v_~y$r_buff0_thd2~0_162) (= v_~y$mem_tmp~0_19 0) (= v_~weak$$choice2~0_141 0) (= v_~y$w_buff1_used~0_547 0) (= v_~y$r_buff0_thd1~0_297 0) (= 0 v_~y$flush_delayed~0_36) (= v_~main$tmp_guard0~0_33 0) (= 0 |v_#NULL.base_3|) (= 0 v_~y$w_buff0~0_485) (= 0 v_~y$read_delayed_var~0.offset_6) (= v_~y$r_buff0_thd0~0_416 0) (= v_~y~0_146 0) (= |v_#valid_45| (store .cse0 |v_ULTIMATE.start_main_~#t2015~0.base_24| 1)) (< 0 |v_#StackHeapBarrier_13|) (= v_~y$w_buff1~0_308 0))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_13|, #valid=|v_#valid_47|, #memory_int=|v_#memory_int_12|, #length=|v_#length_14|} OutVars{ULTIMATE.start_main_#t~ite28=|v_ULTIMATE.start_main_#t~ite28_41|, ULTIMATE.start_main_~#t2016~0.offset=|v_ULTIMATE.start_main_~#t2016~0.offset_16|, #NULL.offset=|v_#NULL.offset_3|, ULTIMATE.start_main_#t~ite26=|v_ULTIMATE.start_main_#t~ite26_35|, ULTIMATE.start_main_#t~ite20=|v_ULTIMATE.start_main_#t~ite20_145|, ULTIMATE.start_main_#t~ite43=|v_ULTIMATE.start_main_#t~ite43_48|, ULTIMATE.start_main_#t~ite22=|v_ULTIMATE.start_main_#t~ite22_37|, ULTIMATE.start_main_#t~ite45=|v_ULTIMATE.start_main_#t~ite45_36|, ~y$read_delayed~0=v_~y$read_delayed~0_6, ~y$mem_tmp~0=v_~y$mem_tmp~0_19, ~__unbuffered_p1_EAX~0=v_~__unbuffered_p1_EAX~0_29, ~y$r_buff0_thd1~0=v_~y$r_buff0_thd1~0_297, ~y$flush_delayed~0=v_~y$flush_delayed~0_36, #length=|v_#length_13|, ULTIMATE.start_main_#t~ite18=|v_ULTIMATE.start_main_#t~ite18_36|, ULTIMATE.start_main_#t~ite39=|v_ULTIMATE.start_main_#t~ite39_38|, ULTIMATE.start_main_#t~nondet24=|v_ULTIMATE.start_main_#t~nondet24_21|, ULTIMATE.start_main_#t~ite35=|v_ULTIMATE.start_main_#t~ite35_27|, ULTIMATE.start_main_#t~ite37=|v_ULTIMATE.start_main_#t~ite37_41|, ULTIMATE.start_main_#t~ite31=|v_ULTIMATE.start_main_#t~ite31_44|, ULTIMATE.start_main_#t~ite33=|v_ULTIMATE.start_main_#t~ite33_38|, ~weak$$choice0~0=v_~weak$$choice0~0_14, #StackHeapBarrier=|v_#StackHeapBarrier_13|, ULTIMATE.start_main_#t~ite40=|v_ULTIMATE.start_main_#t~ite40_36|, ~y$w_buff1~0=v_~y$w_buff1~0_308, ~y$read_delayed_var~0.base=v_~y$read_delayed_var~0.base_6, ~y$r_buff0_thd2~0=v_~y$r_buff0_thd2~0_162, ULTIMATE.start_main_#t~nondet15=|v_ULTIMATE.start_main_#t~nondet15_10|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_61, ULTIMATE.start_main_~#t2016~0.base=|v_ULTIMATE.start_main_~#t2016~0.base_19|, ~y$r_buff1_thd0~0=v_~y$r_buff1_thd0~0_329, ~x~0=v_~x~0_147, ~y$read_delayed_var~0.offset=v_~y$read_delayed_var~0.offset_6, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_834, ULTIMATE.start_main_#t~ite29=|v_ULTIMATE.start_main_#t~ite29_36|, ULTIMATE.start_main_#t~ite25=|v_ULTIMATE.start_main_#t~ite25_33|, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_27, ULTIMATE.start_main_#t~ite27=|v_ULTIMATE.start_main_#t~ite27_43|, ULTIMATE.start_main_#t~ite21=|v_ULTIMATE.start_main_#t~ite21_33|, ULTIMATE.start_main_#t~ite42=|v_ULTIMATE.start_main_#t~ite42_42|, ULTIMATE.start_main_#t~ite44=|v_ULTIMATE.start_main_#t~ite44_34|, ~y$r_buff1_thd1~0=v_~y$r_buff1_thd1~0_200, ULTIMATE.start_main_~#t2015~0.base=|v_ULTIMATE.start_main_~#t2015~0.base_24|, ULTIMATE.start_main_#t~ite30=|v_ULTIMATE.start_main_#t~ite30_34|, ULTIMATE.start_main_~#t2015~0.offset=|v_ULTIMATE.start_main_~#t2015~0.offset_19|, ~y$w_buff0~0=v_~y$w_buff0~0_485, ~y~0=v_~y~0_146, ULTIMATE.start_main_#t~ite17=|v_ULTIMATE.start_main_#t~ite17_29|, ULTIMATE.start_main_#t~nondet23=|v_ULTIMATE.start_main_#t~nondet23_21|, ULTIMATE.start_main_#t~ite19=|v_ULTIMATE.start_main_#t~ite19_33|, ULTIMATE.start_main_#t~ite36=|v_ULTIMATE.start_main_#t~ite36_53|, ULTIMATE.start_main_#t~ite38=|v_ULTIMATE.start_main_#t~ite38_27|, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_33, ULTIMATE.start_main_#t~ite32=|v_ULTIMATE.start_main_#t~ite32_35|, #NULL.base=|v_#NULL.base_3|, ULTIMATE.start_main_#t~ite34=|v_ULTIMATE.start_main_#t~ite34_40|, ~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_208, ULTIMATE.start_main_#t~ite41=|v_ULTIMATE.start_main_#t~ite41_37|, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_18|, ~y$r_buff0_thd0~0=v_~y$r_buff0_thd0~0_416, #valid=|v_#valid_45|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_#t~nondet16=|v_ULTIMATE.start_main_#t~nondet16_14|, ~weak$$choice2~0=v_~weak$$choice2~0_141, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_547} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite28, ULTIMATE.start_main_~#t2016~0.offset, #NULL.offset, ULTIMATE.start_main_#t~ite26, ULTIMATE.start_main_#t~ite20, ULTIMATE.start_main_#t~ite43, ULTIMATE.start_main_#t~ite22, ULTIMATE.start_main_#t~ite45, ~y$read_delayed~0, ~y$mem_tmp~0, ~__unbuffered_p1_EAX~0, ~y$r_buff0_thd1~0, ~y$flush_delayed~0, #length, ULTIMATE.start_main_#t~ite18, ULTIMATE.start_main_#t~ite39, ULTIMATE.start_main_#t~nondet24, ULTIMATE.start_main_#t~ite35, ULTIMATE.start_main_#t~ite37, ULTIMATE.start_main_#t~ite31, ULTIMATE.start_main_#t~ite33, ~weak$$choice0~0, ULTIMATE.start_main_#t~ite40, ~y$w_buff1~0, ~y$read_delayed_var~0.base, ~y$r_buff0_thd2~0, ULTIMATE.start_main_#t~nondet15, ~__unbuffered_cnt~0, ULTIMATE.start_main_~#t2016~0.base, ~y$r_buff1_thd0~0, ~x~0, ~y$read_delayed_var~0.offset, ~y$w_buff0_used~0, ULTIMATE.start_main_#t~ite29, ULTIMATE.start_main_#t~ite25, ~main$tmp_guard1~0, ULTIMATE.start_main_#t~ite27, ULTIMATE.start_main_#t~ite21, ULTIMATE.start_main_#t~ite42, ULTIMATE.start_main_#t~ite44, ~y$r_buff1_thd1~0, ULTIMATE.start_main_~#t2015~0.base, ULTIMATE.start_main_#t~ite30, ULTIMATE.start_main_~#t2015~0.offset, ~y$w_buff0~0, ~y~0, ULTIMATE.start_main_#t~ite17, ULTIMATE.start_main_#t~nondet23, ULTIMATE.start_main_#t~ite19, ULTIMATE.start_main_#t~ite36, ULTIMATE.start_main_#t~ite38, ~main$tmp_guard0~0, ULTIMATE.start_main_#t~ite32, #NULL.base, ULTIMATE.start_main_#t~ite34, ~y$r_buff1_thd2~0, ULTIMATE.start_main_#t~ite41, ULTIMATE.start_main_#res, ~y$r_buff0_thd0~0, #valid, #memory_int, ULTIMATE.start_main_#t~nondet16, ~weak$$choice2~0, ~y$w_buff1_used~0] because there is no mapped edge [2019-12-18 14:36:55,778 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [675] [675] L779-1-->L781: Formula: (and (= (select |v_#valid_28| |v_ULTIMATE.start_main_~#t2016~0.base_11|) 0) (= (store |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2016~0.base_11| (store (select |v_#memory_int_8| |v_ULTIMATE.start_main_~#t2016~0.base_11|) |v_ULTIMATE.start_main_~#t2016~0.offset_10| 1)) |v_#memory_int_7|) (= |v_#valid_27| (store |v_#valid_28| |v_ULTIMATE.start_main_~#t2016~0.base_11| 1)) (= 0 |v_ULTIMATE.start_main_~#t2016~0.offset_10|) (< |v_#StackHeapBarrier_8| |v_ULTIMATE.start_main_~#t2016~0.base_11|) (= (store |v_#length_10| |v_ULTIMATE.start_main_~#t2016~0.base_11| 4) |v_#length_9|) (not (= 0 |v_ULTIMATE.start_main_~#t2016~0.base_11|))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_8|, #valid=|v_#valid_28|, #memory_int=|v_#memory_int_8|, #length=|v_#length_10|} OutVars{#StackHeapBarrier=|v_#StackHeapBarrier_8|, ULTIMATE.start_main_~#t2016~0.offset=|v_ULTIMATE.start_main_~#t2016~0.offset_10|, #valid=|v_#valid_27|, #memory_int=|v_#memory_int_7|, ULTIMATE.start_main_#t~nondet15=|v_ULTIMATE.start_main_#t~nondet15_6|, #length=|v_#length_9|, ULTIMATE.start_main_~#t2016~0.base=|v_ULTIMATE.start_main_~#t2016~0.base_11|} AuxVars[] AssignedVars[ULTIMATE.start_main_~#t2016~0.offset, #valid, #memory_int, ULTIMATE.start_main_#t~nondet15, #length, ULTIMATE.start_main_~#t2016~0.base] because there is no mapped edge [2019-12-18 14:36:55,778 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [638] [638] P0ENTRY-->L4-3: Formula: (and (= v_~y$w_buff1~0_121 v_~y$w_buff0~0_204) (= 2 v_~y$w_buff0~0_203) (= v_P0Thread1of1ForFork0_~arg.base_96 |v_P0Thread1of1ForFork0_#in~arg.base_96|) (= 0 (mod v_~y$w_buff1_used~0_210 256)) (= 1 |v_P0Thread1of1ForFork0___VERIFIER_assert_#in~expression_96|) (= v_P0Thread1of1ForFork0_~arg.offset_96 |v_P0Thread1of1ForFork0_#in~arg.offset_96|) (= v_~y$w_buff0_used~0_350 v_~y$w_buff1_used~0_210) (= v_P0Thread1of1ForFork0___VERIFIER_assert_~expression_100 |v_P0Thread1of1ForFork0___VERIFIER_assert_#in~expression_96|) (= v_~y$w_buff0_used~0_349 1)) InVars {P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_96|, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_350, ~y$w_buff0~0=v_~y$w_buff0~0_204, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_96|} OutVars{P0Thread1of1ForFork0_#in~arg.offset=|v_P0Thread1of1ForFork0_#in~arg.offset_96|, ~y$w_buff0_used~0=v_~y$w_buff0_used~0_349, ~y$w_buff1~0=v_~y$w_buff1~0_121, ~y$w_buff0~0=v_~y$w_buff0~0_203, P0Thread1of1ForFork0___VERIFIER_assert_~expression=v_P0Thread1of1ForFork0___VERIFIER_assert_~expression_100, P0Thread1of1ForFork0_#in~arg.base=|v_P0Thread1of1ForFork0_#in~arg.base_96|, P0Thread1of1ForFork0_~arg.base=v_P0Thread1of1ForFork0_~arg.base_96, P0Thread1of1ForFork0___VERIFIER_assert_#in~expression=|v_P0Thread1of1ForFork0___VERIFIER_assert_#in~expression_96|, P0Thread1of1ForFork0_~arg.offset=v_P0Thread1of1ForFork0_~arg.offset_96, ~y$w_buff1_used~0=v_~y$w_buff1_used~0_210} AuxVars[] AssignedVars[~y$w_buff0_used~0, ~y$w_buff1~0, ~y$w_buff0~0, P0Thread1of1ForFork0___VERIFIER_assert_~expression, P0Thread1of1ForFork0_~arg.base, P0Thread1of1ForFork0___VERIFIER_assert_#in~expression, P0Thread1of1ForFork0_~arg.offset, ~y$w_buff1_used~0] because there is no mapped edge [2019-12-18 14:36:55,780 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [642] [642] L756-2-->L756-4: Formula: (let ((.cse1 (= 0 (mod ~y$r_buff1_thd2~0_In-528448244 256))) (.cse0 (= (mod ~y$w_buff1_used~0_In-528448244 256) 0))) (or (and (or .cse0 .cse1) (= |P1Thread1of1ForFork1_#t~ite9_Out-528448244| ~y~0_In-528448244)) (and (not .cse1) (= |P1Thread1of1ForFork1_#t~ite9_Out-528448244| ~y$w_buff1~0_In-528448244) (not .cse0)))) InVars {~y$r_buff1_thd2~0=~y$r_buff1_thd2~0_In-528448244, ~y$w_buff1~0=~y$w_buff1~0_In-528448244, ~y~0=~y~0_In-528448244, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-528448244} OutVars{~y$r_buff1_thd2~0=~y$r_buff1_thd2~0_In-528448244, ~y$w_buff1~0=~y$w_buff1~0_In-528448244, P1Thread1of1ForFork1_#t~ite9=|P1Thread1of1ForFork1_#t~ite9_Out-528448244|, ~y~0=~y~0_In-528448244, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-528448244} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#t~ite9] because there is no mapped edge [2019-12-18 14:36:55,781 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [621] [621] L756-4-->L757: Formula: (= v_~y~0_41 |v_P1Thread1of1ForFork1_#t~ite9_10|) InVars {P1Thread1of1ForFork1_#t~ite9=|v_P1Thread1of1ForFork1_#t~ite9_10|} OutVars{P1Thread1of1ForFork1_#t~ite9=|v_P1Thread1of1ForFork1_#t~ite9_9|, P1Thread1of1ForFork1_#t~ite10=|v_P1Thread1of1ForFork1_#t~ite10_15|, ~y~0=v_~y~0_41} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#t~ite9, P1Thread1of1ForFork1_#t~ite10, ~y~0] because there is no mapped edge [2019-12-18 14:36:55,781 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [646] [646] L757-->L757-2: Formula: (let ((.cse1 (= 0 (mod ~y$w_buff0_used~0_In339277575 256))) (.cse0 (= (mod ~y$r_buff0_thd2~0_In339277575 256) 0))) (or (and (= |P1Thread1of1ForFork1_#t~ite11_Out339277575| 0) (not .cse0) (not .cse1)) (and (or .cse1 .cse0) (= ~y$w_buff0_used~0_In339277575 |P1Thread1of1ForFork1_#t~ite11_Out339277575|)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In339277575, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In339277575} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In339277575, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In339277575, P1Thread1of1ForFork1_#t~ite11=|P1Thread1of1ForFork1_#t~ite11_Out339277575|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#t~ite11] because there is no mapped edge [2019-12-18 14:36:55,782 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [659] [659] L758-->L758-2: Formula: (let ((.cse2 (= 0 (mod ~y$r_buff0_thd2~0_In1753178284 256))) (.cse3 (= (mod ~y$w_buff0_used~0_In1753178284 256) 0)) (.cse1 (= 0 (mod ~y$w_buff1_used~0_In1753178284 256))) (.cse0 (= 0 (mod ~y$r_buff1_thd2~0_In1753178284 256)))) (or (and (or .cse0 .cse1) (or .cse2 .cse3) (= ~y$w_buff1_used~0_In1753178284 |P1Thread1of1ForFork1_#t~ite12_Out1753178284|)) (and (or (and (not .cse2) (not .cse3)) (and (not .cse1) (not .cse0))) (= 0 |P1Thread1of1ForFork1_#t~ite12_Out1753178284|)))) InVars {~y$r_buff1_thd2~0=~y$r_buff1_thd2~0_In1753178284, ~y$w_buff0_used~0=~y$w_buff0_used~0_In1753178284, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In1753178284, ~y$w_buff1_used~0=~y$w_buff1_used~0_In1753178284} OutVars{~y$r_buff1_thd2~0=~y$r_buff1_thd2~0_In1753178284, ~y$w_buff0_used~0=~y$w_buff0_used~0_In1753178284, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In1753178284, P1Thread1of1ForFork1_#t~ite12=|P1Thread1of1ForFork1_#t~ite12_Out1753178284|, ~y$w_buff1_used~0=~y$w_buff1_used~0_In1753178284} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#t~ite12] because there is no mapped edge [2019-12-18 14:36:55,782 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [645] [645] L759-->L759-2: Formula: (let ((.cse1 (= (mod ~y$r_buff0_thd2~0_In850536424 256) 0)) (.cse0 (= (mod ~y$w_buff0_used~0_In850536424 256) 0))) (or (and (not .cse0) (not .cse1) (= |P1Thread1of1ForFork1_#t~ite13_Out850536424| 0)) (and (or .cse1 .cse0) (= |P1Thread1of1ForFork1_#t~ite13_Out850536424| ~y$r_buff0_thd2~0_In850536424)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In850536424, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In850536424} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In850536424, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In850536424, P1Thread1of1ForFork1_#t~ite13=|P1Thread1of1ForFork1_#t~ite13_Out850536424|} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#t~ite13] because there is no mapped edge [2019-12-18 14:36:55,783 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [652] [652] L760-->L760-2: Formula: (let ((.cse3 (= (mod ~y$w_buff0_used~0_In1838054138 256) 0)) (.cse2 (= (mod ~y$r_buff0_thd2~0_In1838054138 256) 0)) (.cse1 (= (mod ~y$w_buff1_used~0_In1838054138 256) 0)) (.cse0 (= 0 (mod ~y$r_buff1_thd2~0_In1838054138 256)))) (or (and (= |P1Thread1of1ForFork1_#t~ite14_Out1838054138| 0) (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3)))) (and (or .cse3 .cse2) (or .cse1 .cse0) (= |P1Thread1of1ForFork1_#t~ite14_Out1838054138| ~y$r_buff1_thd2~0_In1838054138)))) InVars {~y$r_buff1_thd2~0=~y$r_buff1_thd2~0_In1838054138, ~y$w_buff0_used~0=~y$w_buff0_used~0_In1838054138, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In1838054138, ~y$w_buff1_used~0=~y$w_buff1_used~0_In1838054138} OutVars{~y$r_buff1_thd2~0=~y$r_buff1_thd2~0_In1838054138, ~y$w_buff0_used~0=~y$w_buff0_used~0_In1838054138, ~y$r_buff0_thd2~0=~y$r_buff0_thd2~0_In1838054138, P1Thread1of1ForFork1_#t~ite14=|P1Thread1of1ForFork1_#t~ite14_Out1838054138|, ~y$w_buff1_used~0=~y$w_buff1_used~0_In1838054138} AuxVars[] AssignedVars[P1Thread1of1ForFork1_#t~ite14] because there is no mapped edge [2019-12-18 14:36:55,783 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [685] [685] L760-2-->P1EXIT: Formula: (and (= 0 |v_P1Thread1of1ForFork1_#res.base_5|) (= (+ v_~__unbuffered_cnt~0_39 1) v_~__unbuffered_cnt~0_38) (= |v_P1Thread1of1ForFork1_#t~ite14_30| v_~y$r_buff1_thd2~0_91) (= |v_P1Thread1of1ForFork1_#res.offset_5| 0)) InVars {~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_39, P1Thread1of1ForFork1_#t~ite14=|v_P1Thread1of1ForFork1_#t~ite14_30|} OutVars{~y$r_buff1_thd2~0=v_~y$r_buff1_thd2~0_91, P1Thread1of1ForFork1_#res.offset=|v_P1Thread1of1ForFork1_#res.offset_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_38, P1Thread1of1ForFork1_#t~ite14=|v_P1Thread1of1ForFork1_#t~ite14_29|, P1Thread1of1ForFork1_#res.base=|v_P1Thread1of1ForFork1_#res.base_5|} AuxVars[] AssignedVars[~y$r_buff1_thd2~0, P1Thread1of1ForFork1_#res.offset, ~__unbuffered_cnt~0, P1Thread1of1ForFork1_#t~ite14, P1Thread1of1ForFork1_#res.base] because there is no mapped edge [2019-12-18 14:36:55,783 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [655] [655] L737-->L737-2: Formula: (let ((.cse1 (= 0 (mod ~y$r_buff0_thd1~0_In-1574112698 256))) (.cse0 (= 0 (mod ~y$w_buff0_used~0_In-1574112698 256)))) (or (and (= ~y$w_buff0_used~0_In-1574112698 |P0Thread1of1ForFork0_#t~ite5_Out-1574112698|) (or .cse0 .cse1)) (and (not .cse1) (not .cse0) (= 0 |P0Thread1of1ForFork0_#t~ite5_Out-1574112698|)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In-1574112698, ~y$r_buff0_thd1~0=~y$r_buff0_thd1~0_In-1574112698} OutVars{P0Thread1of1ForFork0_#t~ite5=|P0Thread1of1ForFork0_#t~ite5_Out-1574112698|, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-1574112698, ~y$r_buff0_thd1~0=~y$r_buff0_thd1~0_In-1574112698} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#t~ite5] because there is no mapped edge [2019-12-18 14:36:55,784 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [641] [641] L738-->L738-2: Formula: (let ((.cse3 (= (mod ~y$r_buff0_thd1~0_In-1842798617 256) 0)) (.cse2 (= 0 (mod ~y$w_buff0_used~0_In-1842798617 256))) (.cse0 (= 0 (mod ~y$r_buff1_thd1~0_In-1842798617 256))) (.cse1 (= (mod ~y$w_buff1_used~0_In-1842798617 256) 0))) (or (and (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3))) (= 0 |P0Thread1of1ForFork0_#t~ite6_Out-1842798617|)) (and (or .cse3 .cse2) (or .cse0 .cse1) (= ~y$w_buff1_used~0_In-1842798617 |P0Thread1of1ForFork0_#t~ite6_Out-1842798617|)))) InVars {~y$r_buff1_thd1~0=~y$r_buff1_thd1~0_In-1842798617, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-1842798617, ~y$r_buff0_thd1~0=~y$r_buff0_thd1~0_In-1842798617, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-1842798617} OutVars{P0Thread1of1ForFork0_#t~ite6=|P0Thread1of1ForFork0_#t~ite6_Out-1842798617|, ~y$r_buff1_thd1~0=~y$r_buff1_thd1~0_In-1842798617, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-1842798617, ~y$r_buff0_thd1~0=~y$r_buff0_thd1~0_In-1842798617, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-1842798617} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#t~ite6] because there is no mapped edge [2019-12-18 14:36:55,784 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [643] [643] L739-->L740: Formula: (let ((.cse0 (= (mod ~y$w_buff0_used~0_In-749072132 256) 0)) (.cse1 (= 0 (mod ~y$r_buff0_thd1~0_In-749072132 256)))) (or (and (= ~y$r_buff0_thd1~0_Out-749072132 ~y$r_buff0_thd1~0_In-749072132) (or .cse0 .cse1)) (and (not .cse0) (= ~y$r_buff0_thd1~0_Out-749072132 0) (not .cse1)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In-749072132, ~y$r_buff0_thd1~0=~y$r_buff0_thd1~0_In-749072132} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In-749072132, P0Thread1of1ForFork0_#t~ite7=|P0Thread1of1ForFork0_#t~ite7_Out-749072132|, ~y$r_buff0_thd1~0=~y$r_buff0_thd1~0_Out-749072132} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#t~ite7, ~y$r_buff0_thd1~0] because there is no mapped edge [2019-12-18 14:36:55,784 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [657] [657] L740-->L740-2: Formula: (let ((.cse1 (= 0 (mod ~y$r_buff0_thd1~0_In-861644888 256))) (.cse0 (= (mod ~y$w_buff0_used~0_In-861644888 256) 0)) (.cse3 (= 0 (mod ~y$r_buff1_thd1~0_In-861644888 256))) (.cse2 (= (mod ~y$w_buff1_used~0_In-861644888 256) 0))) (or (and (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3))) (= |P0Thread1of1ForFork0_#t~ite8_Out-861644888| 0)) (and (or .cse1 .cse0) (or .cse3 .cse2) (= |P0Thread1of1ForFork0_#t~ite8_Out-861644888| ~y$r_buff1_thd1~0_In-861644888)))) InVars {~y$r_buff1_thd1~0=~y$r_buff1_thd1~0_In-861644888, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-861644888, ~y$r_buff0_thd1~0=~y$r_buff0_thd1~0_In-861644888, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-861644888} OutVars{~y$r_buff1_thd1~0=~y$r_buff1_thd1~0_In-861644888, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-861644888, P0Thread1of1ForFork0_#t~ite8=|P0Thread1of1ForFork0_#t~ite8_Out-861644888|, ~y$r_buff0_thd1~0=~y$r_buff0_thd1~0_In-861644888, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-861644888} AuxVars[] AssignedVars[P0Thread1of1ForFork0_#t~ite8] because there is no mapped edge [2019-12-18 14:36:55,785 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [668] [668] L740-2-->P0EXIT: Formula: (and (= v_~y$r_buff1_thd1~0_80 |v_P0Thread1of1ForFork0_#t~ite8_30|) (= 0 |v_P0Thread1of1ForFork0_#res.base_5|) (= |v_P0Thread1of1ForFork0_#res.offset_5| 0) (= v_~__unbuffered_cnt~0_31 (+ v_~__unbuffered_cnt~0_32 1))) InVars {P0Thread1of1ForFork0_#t~ite8=|v_P0Thread1of1ForFork0_#t~ite8_30|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_32} OutVars{~y$r_buff1_thd1~0=v_~y$r_buff1_thd1~0_80, P0Thread1of1ForFork0_#res.offset=|v_P0Thread1of1ForFork0_#res.offset_5|, P0Thread1of1ForFork0_#t~ite8=|v_P0Thread1of1ForFork0_#t~ite8_29|, P0Thread1of1ForFork0_#res.base=|v_P0Thread1of1ForFork0_#res.base_5|, ~__unbuffered_cnt~0=v_~__unbuffered_cnt~0_31} AuxVars[] AssignedVars[~y$r_buff1_thd1~0, P0Thread1of1ForFork0_#res.offset, P0Thread1of1ForFork0_#t~ite8, P0Thread1of1ForFork0_#res.base, ~__unbuffered_cnt~0] because there is no mapped edge [2019-12-18 14:36:55,785 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [577] [577] L785-->L787-2: Formula: (and (not (= (mod v_~main$tmp_guard0~0_4 256) 0)) (or (= (mod v_~y$w_buff0_used~0_67 256) 0) (= 0 (mod v_~y$r_buff0_thd0~0_44 256)))) InVars {~y$w_buff0_used~0=v_~y$w_buff0_used~0_67, ~y$r_buff0_thd0~0=v_~y$r_buff0_thd0~0_44, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_4} OutVars{~y$w_buff0_used~0=v_~y$w_buff0_used~0_67, ~y$r_buff0_thd0~0=v_~y$r_buff0_thd0~0_44, ~main$tmp_guard0~0=v_~main$tmp_guard0~0_4} AuxVars[] AssignedVars[] because there is no mapped edge [2019-12-18 14:36:55,785 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [656] [656] L787-2-->L787-5: Formula: (let ((.cse1 (= 0 (mod ~y$w_buff1_used~0_In-1092602679 256))) (.cse2 (= 0 (mod ~y$r_buff1_thd0~0_In-1092602679 256))) (.cse0 (= |ULTIMATE.start_main_#t~ite18_Out-1092602679| |ULTIMATE.start_main_#t~ite17_Out-1092602679|))) (or (and .cse0 (not .cse1) (= |ULTIMATE.start_main_#t~ite17_Out-1092602679| ~y$w_buff1~0_In-1092602679) (not .cse2)) (and (or .cse1 .cse2) .cse0 (= |ULTIMATE.start_main_#t~ite17_Out-1092602679| ~y~0_In-1092602679)))) InVars {~y$w_buff1~0=~y$w_buff1~0_In-1092602679, ~y~0=~y~0_In-1092602679, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-1092602679, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-1092602679} OutVars{ULTIMATE.start_main_#t~ite17=|ULTIMATE.start_main_#t~ite17_Out-1092602679|, ~y$w_buff1~0=~y$w_buff1~0_In-1092602679, ULTIMATE.start_main_#t~ite18=|ULTIMATE.start_main_#t~ite18_Out-1092602679|, ~y~0=~y~0_In-1092602679, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-1092602679, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-1092602679} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite17, ULTIMATE.start_main_#t~ite18] because there is no mapped edge [2019-12-18 14:36:55,786 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [644] [644] L788-->L788-2: Formula: (let ((.cse1 (= 0 (mod ~y$w_buff0_used~0_In75626274 256))) (.cse0 (= 0 (mod ~y$r_buff0_thd0~0_In75626274 256)))) (or (and (= ~y$w_buff0_used~0_In75626274 |ULTIMATE.start_main_#t~ite19_Out75626274|) (or .cse0 .cse1)) (and (not .cse1) (= |ULTIMATE.start_main_#t~ite19_Out75626274| 0) (not .cse0)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In75626274, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In75626274} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In75626274, ULTIMATE.start_main_#t~ite19=|ULTIMATE.start_main_#t~ite19_Out75626274|, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In75626274} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite19] because there is no mapped edge [2019-12-18 14:36:55,786 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [648] [648] L789-->L789-2: Formula: (let ((.cse0 (= (mod ~y$w_buff0_used~0_In48659175 256) 0)) (.cse1 (= 0 (mod ~y$r_buff0_thd0~0_In48659175 256))) (.cse3 (= (mod ~y$w_buff1_used~0_In48659175 256) 0)) (.cse2 (= 0 (mod ~y$r_buff1_thd0~0_In48659175 256)))) (or (and (= 0 |ULTIMATE.start_main_#t~ite20_Out48659175|) (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3)))) (and (or .cse0 .cse1) (or .cse3 .cse2) (= ~y$w_buff1_used~0_In48659175 |ULTIMATE.start_main_#t~ite20_Out48659175|)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In48659175, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In48659175, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In48659175, ~y$w_buff1_used~0=~y$w_buff1_used~0_In48659175} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In48659175, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In48659175, ULTIMATE.start_main_#t~ite20=|ULTIMATE.start_main_#t~ite20_Out48659175|, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In48659175, ~y$w_buff1_used~0=~y$w_buff1_used~0_In48659175} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite20] because there is no mapped edge [2019-12-18 14:36:55,787 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [639] [639] L790-->L790-2: Formula: (let ((.cse1 (= (mod ~y$r_buff0_thd0~0_In299294685 256) 0)) (.cse0 (= 0 (mod ~y$w_buff0_used~0_In299294685 256)))) (or (and (= |ULTIMATE.start_main_#t~ite21_Out299294685| 0) (not .cse0) (not .cse1)) (and (= |ULTIMATE.start_main_#t~ite21_Out299294685| ~y$r_buff0_thd0~0_In299294685) (or .cse1 .cse0)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In299294685, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In299294685} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In299294685, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In299294685, ULTIMATE.start_main_#t~ite21=|ULTIMATE.start_main_#t~ite21_Out299294685|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite21] because there is no mapped edge [2019-12-18 14:36:55,788 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [651] [651] L791-->L791-2: Formula: (let ((.cse0 (= (mod ~y$w_buff1_used~0_In1410780472 256) 0)) (.cse1 (= 0 (mod ~y$r_buff1_thd0~0_In1410780472 256))) (.cse2 (= 0 (mod ~y$w_buff0_used~0_In1410780472 256))) (.cse3 (= 0 (mod ~y$r_buff0_thd0~0_In1410780472 256)))) (or (and (= 0 |ULTIMATE.start_main_#t~ite22_Out1410780472|) (or (and (not .cse0) (not .cse1)) (and (not .cse2) (not .cse3)))) (and (or .cse0 .cse1) (= |ULTIMATE.start_main_#t~ite22_Out1410780472| ~y$r_buff1_thd0~0_In1410780472) (or .cse2 .cse3)))) InVars {~y$w_buff0_used~0=~y$w_buff0_used~0_In1410780472, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In1410780472, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In1410780472, ~y$w_buff1_used~0=~y$w_buff1_used~0_In1410780472} OutVars{~y$w_buff0_used~0=~y$w_buff0_used~0_In1410780472, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In1410780472, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In1410780472, ULTIMATE.start_main_#t~ite22=|ULTIMATE.start_main_#t~ite22_Out1410780472|, ~y$w_buff1_used~0=~y$w_buff1_used~0_In1410780472} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite22] because there is no mapped edge [2019-12-18 14:36:55,790 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [689] [689] L800-->L800-8: Formula: (let ((.cse0 (= (mod ~weak$$choice2~0_In-948867710 256) 0))) (or (and .cse0 (= |ULTIMATE.start_main_#t~ite31_Out-948867710| ~y$w_buff1~0_In-948867710) (= |ULTIMATE.start_main_#t~ite31_Out-948867710| |ULTIMATE.start_main_#t~ite32_Out-948867710|) (let ((.cse1 (= (mod ~y$r_buff0_thd0~0_In-948867710 256) 0))) (or (and (= (mod ~y$w_buff1_used~0_In-948867710 256) 0) .cse1) (= (mod ~y$w_buff0_used~0_In-948867710 256) 0) (and .cse1 (= 0 (mod ~y$r_buff1_thd0~0_In-948867710 256)))))) (and (= |ULTIMATE.start_main_#t~ite32_Out-948867710| ~y$w_buff1~0_In-948867710) (= |ULTIMATE.start_main_#t~ite31_In-948867710| |ULTIMATE.start_main_#t~ite31_Out-948867710|) (not .cse0)))) InVars {~y$w_buff1~0=~y$w_buff1~0_In-948867710, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-948867710, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-948867710, ~weak$$choice2~0=~weak$$choice2~0_In-948867710, ULTIMATE.start_main_#t~ite31=|ULTIMATE.start_main_#t~ite31_In-948867710|, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-948867710, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-948867710} OutVars{~y$w_buff1~0=~y$w_buff1~0_In-948867710, ~y$w_buff0_used~0=~y$w_buff0_used~0_In-948867710, ~y$r_buff0_thd0~0=~y$r_buff0_thd0~0_In-948867710, ULTIMATE.start_main_#t~ite31=|ULTIMATE.start_main_#t~ite31_Out-948867710|, ~weak$$choice2~0=~weak$$choice2~0_In-948867710, ULTIMATE.start_main_#t~ite32=|ULTIMATE.start_main_#t~ite32_Out-948867710|, ~y$r_buff1_thd0~0=~y$r_buff1_thd0~0_In-948867710, ~y$w_buff1_used~0=~y$w_buff1_used~0_In-948867710} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite31, ULTIMATE.start_main_#t~ite32] because there is no mapped edge [2019-12-18 14:36:55,792 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [637] [637] L803-->L804: Formula: (and (= v_~y$r_buff0_thd0~0_162 v_~y$r_buff0_thd0~0_163) (not (= (mod v_~weak$$choice2~0_39 256) 0))) InVars {~y$r_buff0_thd0~0=v_~y$r_buff0_thd0~0_163, ~weak$$choice2~0=v_~weak$$choice2~0_39} OutVars{ULTIMATE.start_main_#t~ite41=|v_ULTIMATE.start_main_#t~ite41_9|, ULTIMATE.start_main_#t~ite40=|v_ULTIMATE.start_main_#t~ite40_11|, ULTIMATE.start_main_#t~ite39=|v_ULTIMATE.start_main_#t~ite39_18|, ~y$r_buff0_thd0~0=v_~y$r_buff0_thd0~0_162, ~weak$$choice2~0=v_~weak$$choice2~0_39} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~ite41, ULTIMATE.start_main_#t~ite40, ULTIMATE.start_main_#t~ite39, ~y$r_buff0_thd0~0] because there is no mapped edge [2019-12-18 14:36:55,793 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [686] [686] L806-->L809-1: Formula: (and (= 0 v_~y$flush_delayed~0_24) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6| (mod v_~main$tmp_guard1~0_12 256)) (not (= 0 (mod v_~y$flush_delayed~0_25 256))) (= v_~y~0_106 v_~y$mem_tmp~0_13)) InVars {~y$mem_tmp~0=v_~y$mem_tmp~0_13, ~y$flush_delayed~0=v_~y$flush_delayed~0_25, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_12} OutVars{~y$mem_tmp~0=v_~y$mem_tmp~0_13, ~y$flush_delayed~0=v_~y$flush_delayed~0_24, ~main$tmp_guard1~0=v_~main$tmp_guard1~0_12, ~y~0=v_~y~0_106, ULTIMATE.start_main_#t~ite45=|v_ULTIMATE.start_main_#t~ite45_22|, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[~y$flush_delayed~0, ~y~0, ULTIMATE.start_main_#t~ite45, ULTIMATE.start___VERIFIER_assert_#in~expression] because there is no mapped edge [2019-12-18 14:36:55,793 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [680] [680] 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 [2019-12-18 14:36:55,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 02:36:55 BasicIcfg [2019-12-18 14:36:55,887 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-18 14:36:55,891 INFO L168 Benchmark]: Toolchain (without parser) took 20425.68 ms. Allocated memory was 137.9 MB in the beginning and 759.7 MB in the end (delta: 621.8 MB). Free memory was 99.5 MB in the beginning and 231.0 MB in the end (delta: -131.4 MB). Peak memory consumption was 490.4 MB. Max. memory is 7.1 GB. [2019-12-18 14:36:55,892 INFO L168 Benchmark]: CDTParser took 0.75 ms. Allocated memory is still 137.9 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-12-18 14:36:55,896 INFO L168 Benchmark]: CACSL2BoogieTranslator took 799.77 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 99.3 MB in the beginning and 156.5 MB in the end (delta: -57.2 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. [2019-12-18 14:36:55,897 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.50 ms. Allocated memory is still 202.4 MB. Free memory was 156.5 MB in the beginning and 153.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-12-18 14:36:55,897 INFO L168 Benchmark]: Boogie Preprocessor took 35.08 ms. Allocated memory is still 202.4 MB. Free memory was 153.9 MB in the beginning and 151.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-12-18 14:36:55,898 INFO L168 Benchmark]: RCFGBuilder took 786.03 ms. Allocated memory is still 202.4 MB. Free memory was 151.2 MB in the beginning and 107.7 MB in the end (delta: 43.5 MB). Peak memory consumption was 43.5 MB. Max. memory is 7.1 GB. [2019-12-18 14:36:55,900 INFO L168 Benchmark]: TraceAbstraction took 18717.87 ms. Allocated memory was 202.4 MB in the beginning and 759.7 MB in the end (delta: 557.3 MB). Free memory was 107.0 MB in the beginning and 231.0 MB in the end (delta: -123.9 MB). Peak memory consumption was 433.4 MB. Max. memory is 7.1 GB. [2019-12-18 14:36:55,906 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75 ms. Allocated memory is still 137.9 MB. Free memory was 119.8 MB in the beginning and 119.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 799.77 ms. Allocated memory was 137.9 MB in the beginning and 202.4 MB in the end (delta: 64.5 MB). Free memory was 99.3 MB in the beginning and 156.5 MB in the end (delta: -57.2 MB). Peak memory consumption was 24.3 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 75.50 ms. Allocated memory is still 202.4 MB. Free memory was 156.5 MB in the beginning and 153.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 35.08 ms. Allocated memory is still 202.4 MB. Free memory was 153.9 MB in the beginning and 151.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 786.03 ms. Allocated memory is still 202.4 MB. Free memory was 151.2 MB in the beginning and 107.7 MB in the end (delta: 43.5 MB). Peak memory consumption was 43.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 18717.87 ms. Allocated memory was 202.4 MB in the beginning and 759.7 MB in the end (delta: 557.3 MB). Free memory was 107.0 MB in the beginning and 231.0 MB in the end (delta: -123.9 MB). Peak memory consumption was 433.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 5.0s, 146 ProgramPointsBefore, 79 ProgramPointsAfterwards, 180 TransitionsBefore, 91 TransitionsAfterwards, 10418 CoEnabledTransitionPairs, 7 FixpointIterations, 28 TrivialSequentialCompositions, 39 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 34 ConcurrentYvCompositions, 25 ChoiceCompositions, 3678 VarBasedMoverChecksPositive, 231 VarBasedMoverChecksNegative, 69 SemBasedMoverChecksPositive, 221 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 1.7s, 0 MoverChecksTotal, 46090 CheckedPairsTotal, 101 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(&t2015, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L781] FCALL, FORK 0 pthread_create(&t2016, ((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, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L727] 1 y$r_buff1_thd0 = y$r_buff0_thd0 [L728] 1 y$r_buff1_thd1 = y$r_buff0_thd1 [L729] 1 y$r_buff1_thd2 = y$r_buff0_thd2 [L730] 1 y$r_buff0_thd1 = (_Bool)1 [L733] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L736] EXPR 1 y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : 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=1, y=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L750] 2 __unbuffered_p1_EAX = x [L753] 2 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L736] 1 y = y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd1 ? y$w_buff1 : y) [L756] 2 y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0] [L757] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used [L758] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used [L759] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2 [L737] 1 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used [L738] 1 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd1 || y$w_buff1_used && y$r_buff1_thd1 ? (_Bool)0 : y$w_buff1_used [L783] 0 main$tmp_guard0 = __unbuffered_cnt == 2 VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=2, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L787] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y) [L788] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used [L789] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used [L790] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0 [L791] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0 [L794] 0 weak$$choice0 = __VERIFIER_nondet_bool() [L795] 0 weak$$choice2 = __VERIFIER_nondet_bool() [L796] 0 y$flush_delayed = weak$$choice2 [L797] 0 y$mem_tmp = y VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=1, x=1, y=2, y$flush_delayed=1, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L798] EXPR 0 !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=1, x=1, y=2, y$flush_delayed=1, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L798] 0 y = !y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff1) [L799] EXPR 0 weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=1, x=1, y=2, y$flush_delayed=1, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L799] 0 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : y$w_buff0)) [L800] 0 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff1 : y$w_buff1)) [L801] EXPR 0 weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=1, x=1, y=2, y$flush_delayed=1, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L801] 0 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used)) [L802] EXPR 0 weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=1, x=1, y=2, y$flush_delayed=1, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L802] 0 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L804] EXPR 0 weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=1, x=1, y=2, y$flush_delayed=1, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] [L804] 0 y$r_buff1_thd0 = weak$$choice2 ? y$r_buff1_thd0 : (!y$w_buff0_used || !y$r_buff0_thd0 && !y$w_buff1_used || !y$r_buff0_thd0 && !y$r_buff1_thd0 ? y$r_buff1_thd0 : (y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : (_Bool)0)) [L805] 0 main$tmp_guard1 = !(y == 2 && __unbuffered_p1_EAX == 1) VAL [\result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=1, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=6, weak$$choice2=1, x=1, y=2, y$flush_delayed=1, y$mem_tmp=2, y$r_buff0_thd0=0, y$r_buff0_thd1=1, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=2, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 140 locations, 2 error locations. Result: UNSAFE, OverallTime: 18.4s, OverallIterations: 17, TraceHistogramMax: 1, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1638 SDtfs, 1550 SDslu, 4854 SDs, 0 SdLazy, 3484 SolverSat, 189 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 185 GetRequests, 18 SyntacticMatches, 15 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 609 ImplicationChecksByTransitivity, 2.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14186occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 3.7s AutomataMinimizationTime, 16 MinimizatonAttempts, 9888 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.5s InterpolantComputationTime, 663 NumberOfCodeBlocks, 663 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 593 ConstructedInterpolants, 0 QuantifiedInterpolants, 138146 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 16 InterpolantComputations, 16 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...