/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread-wmm/safe016_tso.oepc.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 18:22:45,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 18:22:45,215 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 18:22:45,233 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 18:22:45,233 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 18:22:45,235 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 18:22:45,237 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 18:22:45,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 18:22:45,251 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 18:22:45,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 18:22:45,255 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 18:22:45,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 18:22:45,259 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 18:22:45,261 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 18:22:45,263 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 18:22:45,265 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 18:22:45,266 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 18:22:45,267 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 18:22:45,268 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 18:22:45,274 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 18:22:45,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 18:22:45,282 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 18:22:45,284 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 18:22:45,285 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 18:22:45,287 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-12-27 18:22:45,294 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 18:22:45,294 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 18:22:45,295 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 18:22:45,296 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 18:22:45,297 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 18:22:45,297 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 18:22:45,299 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 18:22:45,299 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 18:22:45,299 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 18:22:45,301 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 18:22:45,302 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 18:22:45,303 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe-MCR.epf [2019-12-27 18:22:45,321 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 18:22:45,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 18:22:45,323 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 18:22:45,323 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 18:22:45,323 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 18:22:45,323 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 18:22:45,323 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 18:22:45,324 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 18:22:45,324 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 18:22:45,324 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 18:22:45,324 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 18:22:45,324 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 18:22:45,324 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 18:22:45,325 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 18:22:45,325 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 18:22:45,325 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 18:22:45,325 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 18:22:45,325 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 18:22:45,326 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 18:22:45,326 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 18:22:45,326 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 18:22:45,326 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 18:22:45,326 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 18:22:45,327 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 18:22:45,327 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 18:22:45,327 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 18:22:45,327 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 18:22:45,327 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-27 18:22:45,327 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 18:22:45,328 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-27 18:22:45,328 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 18:22:45,609 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 18:22:45,622 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 18:22:45,626 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 18:22:45,628 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 18:22:45,628 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 18:22:45,629 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-wmm/safe016_tso.oepc.i [2019-12-27 18:22:45,692 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa7276827/ee828489e04a427f9053373e9f2ee0e0/FLAG300c69cfb [2019-12-27 18:22:46,179 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 18:22:46,179 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/safe016_tso.oepc.i [2019-12-27 18:22:46,195 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa7276827/ee828489e04a427f9053373e9f2ee0e0/FLAG300c69cfb [2019-12-27 18:22:46,474 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa7276827/ee828489e04a427f9053373e9f2ee0e0 [2019-12-27 18:22:46,484 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 18:22:46,486 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 18:22:46,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 18:22:46,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 18:22:46,491 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 18:22:46,492 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 06:22:46" (1/1) ... [2019-12-27 18:22:46,495 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71c0a7b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:22:46, skipping insertion in model container [2019-12-27 18:22:46,495 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 06:22:46" (1/1) ... [2019-12-27 18:22:46,503 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 18:22:46,569 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 18:22:47,040 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 18:22:47,054 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 18:22:47,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 18:22:47,203 INFO L208 MainTranslator]: Completed translation [2019-12-27 18:22:47,203 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:22:47 WrapperNode [2019-12-27 18:22:47,204 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 18:22:47,204 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 18:22:47,205 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 18:22:47,205 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 18:22:47,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:22:47" (1/1) ... [2019-12-27 18:22:47,262 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:22:47" (1/1) ... [2019-12-27 18:22:47,301 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 18:22:47,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 18:22:47,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 18:22:47,302 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 18:22:47,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:22:47" (1/1) ... [2019-12-27 18:22:47,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:22:47" (1/1) ... [2019-12-27 18:22:47,320 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:22:47" (1/1) ... [2019-12-27 18:22:47,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:22:47" (1/1) ... [2019-12-27 18:22:47,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:22:47" (1/1) ... [2019-12-27 18:22:47,343 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:22:47" (1/1) ... [2019-12-27 18:22:47,345 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:22:47" (1/1) ... [2019-12-27 18:22:47,348 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 18:22:47,349 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 18:22:47,349 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 18:22:47,349 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 18:22:47,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:22:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 18:22:47,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 18:22:47,434 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-12-27 18:22:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 18:22:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 18:22:47,435 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-12-27 18:22:47,435 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-12-27 18:22:47,436 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-12-27 18:22:47,436 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-12-27 18:22:47,437 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-12-27 18:22:47,437 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-12-27 18:22:47,438 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2019-12-27 18:22:47,438 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2019-12-27 18:22:47,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-12-27 18:22:47,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 18:22:47,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 18:22:47,442 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-27 18:22:47,962 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 18:22:47,962 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-27 18:22:47,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 06:22:47 BoogieIcfgContainer [2019-12-27 18:22:47,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 18:22:47,965 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 18:22:47,965 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 18:22:47,969 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 18:22:47,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 06:22:46" (1/3) ... [2019-12-27 18:22:47,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b57c0f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 06:22:47, skipping insertion in model container [2019-12-27 18:22:47,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 06:22:47" (2/3) ... [2019-12-27 18:22:47,971 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b57c0f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 06:22:47, skipping insertion in model container [2019-12-27 18:22:47,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 06:22:47" (3/3) ... [2019-12-27 18:22:47,973 INFO L109 eAbstractionObserver]: Analyzing ICFG safe016_tso.oepc.i [2019-12-27 18:22:47,987 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 18:22:47,987 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 18:22:47,997 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 18:22:47,997 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 18:22:48,044 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,044 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,045 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,045 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,045 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,045 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,046 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,046 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,046 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,046 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,047 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,047 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,047 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,048 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,048 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,048 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,049 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,049 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,049 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,050 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,050 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,050 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,051 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,051 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,055 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,055 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,056 WARN L315 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,056 WARN L315 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,062 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,062 WARN L315 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,063 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,063 WARN L315 ript$VariableManager]: TermVariabe P3Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,065 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,065 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,065 WARN L315 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,066 WARN L315 ript$VariableManager]: TermVariabe P0Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,070 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,070 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,070 WARN L315 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,070 WARN L315 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 18:22:48,086 INFO L249 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2019-12-27 18:22:48,105 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 18:22:48,105 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 18:22:48,105 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 18:22:48,105 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 18:22:48,106 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 18:22:48,106 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 18:22:48,106 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 18:22:48,106 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 18:22:48,119 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 63 transitions [2019-12-27 18:22:48,122 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 75 places, 63 transitions [2019-12-27 18:22:48,168 INFO L132 PetriNetUnfolder]: 1/59 cut-off events. [2019-12-27 18:22:48,168 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 18:22:48,175 INFO L76 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 59 events. 1/59 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 28 event pairs. 0/57 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-12-27 18:22:48,178 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 75 places, 63 transitions [2019-12-27 18:22:48,200 INFO L132 PetriNetUnfolder]: 1/59 cut-off events. [2019-12-27 18:22:48,200 INFO L133 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-27 18:22:48,202 INFO L76 FinitePrefix]: Finished finitePrefix Result has 72 conditions, 59 events. 1/59 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 28 event pairs. 0/57 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-12-27 18:22:48,204 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 732 [2019-12-27 18:22:48,205 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-27 18:22:50,255 INFO L206 etLargeBlockEncoding]: Checked pairs total: 749 [2019-12-27 18:22:50,256 INFO L214 etLargeBlockEncoding]: Total number of compositions: 49 [2019-12-27 18:22:50,259 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 27 places, 19 transitions [2019-12-27 18:22:50,274 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 94 states. [2019-12-27 18:22:50,276 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states. [2019-12-27 18:22:50,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-12-27 18:22:50,284 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:22:50,285 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:22:50,285 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:22:50,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:22:50,292 INFO L82 PathProgramCache]: Analyzing trace with hash 364087523, now seen corresponding path program 1 times [2019-12-27 18:22:50,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:22:50,303 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129796087] [2019-12-27 18:22:50,304 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:22:50,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:22:50,556 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:22:50,556 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129796087] [2019-12-27 18:22:50,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:22:50,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 18:22:50,558 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [561104295] [2019-12-27 18:22:50,559 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:22:50,566 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:22:50,582 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 11 states and 10 transitions. [2019-12-27 18:22:50,582 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:22:50,586 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:22:50,587 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 18:22:50,587 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:22:50,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 18:22:50,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:22:50,605 INFO L87 Difference]: Start difference. First operand 94 states. Second operand 3 states. [2019-12-27 18:22:50,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:22:50,626 INFO L93 Difference]: Finished difference Result 86 states and 212 transitions. [2019-12-27 18:22:50,627 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 18:22:50,628 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2019-12-27 18:22:50,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:22:50,640 INFO L225 Difference]: With dead ends: 86 [2019-12-27 18:22:50,640 INFO L226 Difference]: Without dead ends: 70 [2019-12-27 18:22:50,642 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:22:50,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2019-12-27 18:22:50,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2019-12-27 18:22:50,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2019-12-27 18:22:50,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 164 transitions. [2019-12-27 18:22:50,688 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 164 transitions. Word has length 10 [2019-12-27 18:22:50,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:22:50,689 INFO L462 AbstractCegarLoop]: Abstraction has 70 states and 164 transitions. [2019-12-27 18:22:50,689 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 18:22:50,689 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 164 transitions. [2019-12-27 18:22:50,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-12-27 18:22:50,691 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:22:50,691 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:22:50,691 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:22:50,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:22:50,692 INFO L82 PathProgramCache]: Analyzing trace with hash -662886856, now seen corresponding path program 1 times [2019-12-27 18:22:50,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:22:50,692 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183515765] [2019-12-27 18:22:50,693 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:22:50,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:22:50,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:22:50,783 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183515765] [2019-12-27 18:22:50,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:22:50,783 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 18:22:50,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1744872435] [2019-12-27 18:22:50,786 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:22:50,787 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:22:50,808 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 18 states and 23 transitions. [2019-12-27 18:22:50,808 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:22:50,844 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 1 times. [2019-12-27 18:22:50,845 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 18:22:50,846 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:22:50,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 18:22:50,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 18:22:50,846 INFO L87 Difference]: Start difference. First operand 70 states and 164 transitions. Second operand 5 states. [2019-12-27 18:22:50,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:22:50,880 INFO L93 Difference]: Finished difference Result 84 states and 183 transitions. [2019-12-27 18:22:50,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 18:22:50,880 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-12-27 18:22:50,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:22:50,882 INFO L225 Difference]: With dead ends: 84 [2019-12-27 18:22:50,882 INFO L226 Difference]: Without dead ends: 54 [2019-12-27 18:22:50,883 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-27 18:22:50,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2019-12-27 18:22:50,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2019-12-27 18:22:50,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2019-12-27 18:22:50,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 113 transitions. [2019-12-27 18:22:50,891 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 113 transitions. Word has length 11 [2019-12-27 18:22:50,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:22:50,891 INFO L462 AbstractCegarLoop]: Abstraction has 54 states and 113 transitions. [2019-12-27 18:22:50,891 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 18:22:50,891 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 113 transitions. [2019-12-27 18:22:50,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-27 18:22:50,892 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:22:50,893 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:22:50,893 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:22:50,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:22:50,893 INFO L82 PathProgramCache]: Analyzing trace with hash 2027029566, now seen corresponding path program 1 times [2019-12-27 18:22:50,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:22:50,894 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [275256689] [2019-12-27 18:22:50,894 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:22:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:22:50,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:22:50,976 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [275256689] [2019-12-27 18:22:50,976 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:22:50,976 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-27 18:22:50,977 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [939376507] [2019-12-27 18:22:50,977 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:22:50,978 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:22:50,981 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 17 states and 20 transitions. [2019-12-27 18:22:50,981 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:22:51,043 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 2 times. [2019-12-27 18:22:51,043 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-12-27 18:22:51,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:22:51,044 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-12-27 18:22:51,044 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-12-27 18:22:51,044 INFO L87 Difference]: Start difference. First operand 54 states and 113 transitions. Second operand 6 states. [2019-12-27 18:22:51,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:22:51,109 INFO L93 Difference]: Finished difference Result 70 states and 129 transitions. [2019-12-27 18:22:51,109 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-27 18:22:51,109 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2019-12-27 18:22:51,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:22:51,110 INFO L225 Difference]: With dead ends: 70 [2019-12-27 18:22:51,110 INFO L226 Difference]: Without dead ends: 46 [2019-12-27 18:22:51,111 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-12-27 18:22:51,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2019-12-27 18:22:51,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 44. [2019-12-27 18:22:51,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2019-12-27 18:22:51,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 78 transitions. [2019-12-27 18:22:51,117 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 78 transitions. Word has length 12 [2019-12-27 18:22:51,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:22:51,117 INFO L462 AbstractCegarLoop]: Abstraction has 44 states and 78 transitions. [2019-12-27 18:22:51,117 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-12-27 18:22:51,117 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 78 transitions. [2019-12-27 18:22:51,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-12-27 18:22:51,118 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:22:51,118 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:22:51,119 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:22:51,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:22:51,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1995753728, now seen corresponding path program 1 times [2019-12-27 18:22:51,120 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:22:51,120 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628959624] [2019-12-27 18:22:51,120 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:22:51,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:22:51,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:22:51,159 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628959624] [2019-12-27 18:22:51,159 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:22:51,159 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 18:22:51,159 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1010231763] [2019-12-27 18:22:51,160 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:22:51,161 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:22:51,163 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 13 states and 12 transitions. [2019-12-27 18:22:51,163 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:22:51,163 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:22:51,164 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 18:22:51,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:22:51,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 18:22:51,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:22:51,165 INFO L87 Difference]: Start difference. First operand 44 states and 78 transitions. Second operand 3 states. [2019-12-27 18:22:51,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:22:51,175 INFO L93 Difference]: Finished difference Result 46 states and 75 transitions. [2019-12-27 18:22:51,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 18:22:51,176 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-12-27 18:22:51,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:22:51,176 INFO L225 Difference]: With dead ends: 46 [2019-12-27 18:22:51,177 INFO L226 Difference]: Without dead ends: 28 [2019-12-27 18:22:51,177 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:22:51,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2019-12-27 18:22:51,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2019-12-27 18:22:51,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2019-12-27 18:22:51,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 37 transitions. [2019-12-27 18:22:51,180 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 37 transitions. Word has length 12 [2019-12-27 18:22:51,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:22:51,181 INFO L462 AbstractCegarLoop]: Abstraction has 28 states and 37 transitions. [2019-12-27 18:22:51,181 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 18:22:51,181 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2019-12-27 18:22:51,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-27 18:22:51,182 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:22:51,182 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:22:51,182 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:22:51,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:22:51,183 INFO L82 PathProgramCache]: Analyzing trace with hash 1738823299, now seen corresponding path program 1 times [2019-12-27 18:22:51,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:22:51,183 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421071407] [2019-12-27 18:22:51,183 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:22:51,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:22:51,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:22:51,240 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421071407] [2019-12-27 18:22:51,240 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:22:51,240 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-12-27 18:22:51,241 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [177247089] [2019-12-27 18:22:51,241 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:22:51,242 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:22:51,245 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 14 states and 13 transitions. [2019-12-27 18:22:51,245 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:22:51,245 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 0 times. [2019-12-27 18:22:51,246 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 18:22:51,246 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:22:51,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 18:22:51,246 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:22:51,247 INFO L87 Difference]: Start difference. First operand 28 states and 37 transitions. Second operand 3 states. [2019-12-27 18:22:51,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:22:51,251 INFO L93 Difference]: Finished difference Result 27 states and 35 transitions. [2019-12-27 18:22:51,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 18:22:51,252 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-12-27 18:22:51,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:22:51,253 INFO L225 Difference]: With dead ends: 27 [2019-12-27 18:22:51,253 INFO L226 Difference]: Without dead ends: 21 [2019-12-27 18:22:51,253 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 18:22:51,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2019-12-27 18:22:51,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2019-12-27 18:22:51,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2019-12-27 18:22:51,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 26 transitions. [2019-12-27 18:22:51,256 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 26 transitions. Word has length 13 [2019-12-27 18:22:51,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:22:51,256 INFO L462 AbstractCegarLoop]: Abstraction has 21 states and 26 transitions. [2019-12-27 18:22:51,256 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 18:22:51,256 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2019-12-27 18:22:51,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-27 18:22:51,257 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 18:22:51,257 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 18:22:51,257 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 18:22:51,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 18:22:51,258 INFO L82 PathProgramCache]: Analyzing trace with hash 1277298007, now seen corresponding path program 1 times [2019-12-27 18:22:51,258 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 18:22:51,258 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872521712] [2019-12-27 18:22:51,258 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 18:22:51,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 18:22:51,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-27 18:22:51,338 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872521712] [2019-12-27 18:22:51,338 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 18:22:51,338 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 18:22:51,339 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [263167295] [2019-12-27 18:22:51,339 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 18:22:51,341 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 18:22:51,345 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 17 states and 18 transitions. [2019-12-27 18:22:51,345 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 18:22:51,363 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 1 times. [2019-12-27 18:22:51,364 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-27 18:22:51,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 18:22:51,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-27 18:22:51,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-27 18:22:51,365 INFO L87 Difference]: Start difference. First operand 21 states and 26 transitions. Second operand 5 states. [2019-12-27 18:22:51,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 18:22:51,382 INFO L93 Difference]: Finished difference Result 20 states and 25 transitions. [2019-12-27 18:22:51,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-27 18:22:51,383 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2019-12-27 18:22:51,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 18:22:51,384 INFO L225 Difference]: With dead ends: 20 [2019-12-27 18:22:51,384 INFO L226 Difference]: Without dead ends: 0 [2019-12-27 18:22:51,384 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2019-12-27 18:22:51,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-27 18:22:51,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-27 18:22:51,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-27 18:22:51,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-27 18:22:51,385 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2019-12-27 18:22:51,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 18:22:51,385 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-27 18:22:51,385 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-27 18:22:51,386 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-27 18:22:51,386 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-27 18:22:51,392 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 06:22:51 BasicIcfg [2019-12-27 18:22:51,392 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 18:22:51,397 INFO L168 Benchmark]: Toolchain (without parser) took 4909.19 ms. Allocated memory was 146.8 MB in the beginning and 244.3 MB in the end (delta: 97.5 MB). Free memory was 103.0 MB in the beginning and 148.0 MB in the end (delta: -45.0 MB). Peak memory consumption was 52.5 MB. Max. memory is 7.1 GB. [2019-12-27 18:22:51,398 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 146.8 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-12-27 18:22:51,404 INFO L168 Benchmark]: CACSL2BoogieTranslator took 717.16 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 102.6 MB in the beginning and 160.8 MB in the end (delta: -58.2 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2019-12-27 18:22:51,405 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.84 ms. Allocated memory is still 203.9 MB. Free memory was 160.8 MB in the beginning and 158.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 18:22:51,406 INFO L168 Benchmark]: Boogie Preprocessor took 46.71 ms. Allocated memory is still 203.9 MB. Free memory was 158.8 MB in the beginning and 156.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-12-27 18:22:51,407 INFO L168 Benchmark]: RCFGBuilder took 615.54 ms. Allocated memory is still 203.9 MB. Free memory was 156.9 MB in the beginning and 135.2 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. [2019-12-27 18:22:51,408 INFO L168 Benchmark]: TraceAbstraction took 3427.15 ms. Allocated memory was 203.9 MB in the beginning and 244.3 MB in the end (delta: 40.4 MB). Free memory was 134.5 MB in the beginning and 148.0 MB in the end (delta: -13.5 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2019-12-27 18:22:51,421 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 146.8 MB. Free memory was 123.1 MB in the beginning and 122.9 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 717.16 ms. Allocated memory was 146.8 MB in the beginning and 203.9 MB in the end (delta: 57.1 MB). Free memory was 102.6 MB in the beginning and 160.8 MB in the end (delta: -58.2 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 96.84 ms. Allocated memory is still 203.9 MB. Free memory was 160.8 MB in the beginning and 158.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 46.71 ms. Allocated memory is still 203.9 MB. Free memory was 158.8 MB in the beginning and 156.9 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 615.54 ms. Allocated memory is still 203.9 MB. Free memory was 156.9 MB in the beginning and 135.2 MB in the end (delta: 21.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3427.15 ms. Allocated memory was 203.9 MB in the beginning and 244.3 MB in the end (delta: 40.4 MB). Free memory was 134.5 MB in the beginning and 148.0 MB in the end (delta: -13.5 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.1s, 75 ProgramPointsBefore, 27 ProgramPointsAfterwards, 63 TransitionsBefore, 19 TransitionsAfterwards, 732 CoEnabledTransitionPairs, 6 FixpointIterations, 13 TrivialSequentialCompositions, 31 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 5 ConcurrentYvCompositions, 1 ChoiceCompositions, 363 VarBasedMoverChecksPositive, 23 VarBasedMoverChecksNegative, 9 SemBasedMoverChecksPositive, 19 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 0 MoverChecksTotal, 749 CheckedPairsTotal, 49 TotalNumberOfCompositions - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 63 locations, 1 error locations. Result: SAFE, OverallTime: 3.2s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 92 SDtfs, 50 SDslu, 88 SDs, 0 SdLazy, 50 SolverSat, 5 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 1834 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 correct! Received shutdown request...