/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-MCR.epf -i ../../../trunk/examples/svcomp/pthread/sync01.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-4336eb1 [2019-12-27 23:30:20,186 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-27 23:30:20,189 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-27 23:30:20,206 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-27 23:30:20,207 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-27 23:30:20,209 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-27 23:30:20,211 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-27 23:30:20,220 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-27 23:30:20,224 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-27 23:30:20,227 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-27 23:30:20,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-27 23:30:20,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-27 23:30:20,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-27 23:30:20,232 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-27 23:30:20,235 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-27 23:30:20,236 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-27 23:30:20,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-27 23:30:20,238 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-27 23:30:20,240 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-27 23:30:20,246 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-27 23:30:20,250 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-27 23:30:20,251 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-27 23:30:20,254 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-27 23:30:20,255 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-27 23:30:20,257 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-27 23:30:20,257 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-27 23:30:20,257 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-27 23:30:20,259 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-27 23:30:20,260 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-27 23:30:20,261 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-27 23:30:20,261 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-27 23:30:20,262 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-27 23:30:20,263 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-27 23:30:20,264 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-27 23:30:20,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-27 23:30:20,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-27 23:30:20,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-27 23:30:20,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-27 23:30:20,267 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-27 23:30:20,268 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-27 23:30:20,269 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-27 23:30:20,270 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-NoLbe-MCR.epf [2019-12-27 23:30:20,296 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-27 23:30:20,296 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-27 23:30:20,298 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-27 23:30:20,298 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-27 23:30:20,298 INFO L138 SettingsManager]: * Use SBE=true [2019-12-27 23:30:20,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-27 23:30:20,299 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-27 23:30:20,299 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-27 23:30:20,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-27 23:30:20,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-27 23:30:20,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-27 23:30:20,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-27 23:30:20,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-27 23:30:20,301 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-27 23:30:20,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-27 23:30:20,301 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-27 23:30:20,302 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-27 23:30:20,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-27 23:30:20,302 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-27 23:30:20,302 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-27 23:30:20,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-27 23:30:20,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 23:30:20,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-27 23:30:20,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-27 23:30:20,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-27 23:30:20,303 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-27 23:30:20,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-27 23:30:20,304 INFO L138 SettingsManager]: * Override the interpolant automaton setting of the refinement strategy=true [2019-12-27 23:30:20,304 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2019-12-27 23:30:20,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-27 23:30:20,305 INFO L138 SettingsManager]: * Interpolant automaton=MCR [2019-12-27 23:30:20,306 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-27 23:30:20,594 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-27 23:30:20,609 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-27 23:30:20,612 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-27 23:30:20,614 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-27 23:30:20,615 INFO L275 PluginConnector]: CDTParser initialized [2019-12-27 23:30:20,615 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/sync01.i [2019-12-27 23:30:20,683 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fd599ade/05db81e90eac41378f33166cc8f1534f/FLAGc1a086250 [2019-12-27 23:30:21,249 INFO L306 CDTParser]: Found 1 translation units. [2019-12-27 23:30:21,250 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i [2019-12-27 23:30:21,267 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fd599ade/05db81e90eac41378f33166cc8f1534f/FLAGc1a086250 [2019-12-27 23:30:21,551 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fd599ade/05db81e90eac41378f33166cc8f1534f [2019-12-27 23:30:21,567 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-27 23:30:21,569 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-27 23:30:21,570 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-27 23:30:21,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-27 23:30:21,573 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-27 23:30:21,574 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 11:30:21" (1/1) ... [2019-12-27 23:30:21,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61fcd619 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:30:21, skipping insertion in model container [2019-12-27 23:30:21,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.12 11:30:21" (1/1) ... [2019-12-27 23:30:21,585 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-27 23:30:21,645 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-27 23:30:22,298 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 23:30:22,319 INFO L203 MainTranslator]: Completed pre-run [2019-12-27 23:30:22,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-27 23:30:22,522 INFO L208 MainTranslator]: Completed translation [2019-12-27 23:30:22,523 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:30:22 WrapperNode [2019-12-27 23:30:22,523 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-27 23:30:22,524 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-27 23:30:22,524 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-27 23:30:22,524 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-27 23:30:22,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:30:22" (1/1) ... [2019-12-27 23:30:22,555 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:30:22" (1/1) ... [2019-12-27 23:30:22,590 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-27 23:30:22,590 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-27 23:30:22,591 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-27 23:30:22,591 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-27 23:30:22,600 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:30:22" (1/1) ... [2019-12-27 23:30:22,601 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:30:22" (1/1) ... [2019-12-27 23:30:22,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:30:22" (1/1) ... [2019-12-27 23:30:22,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:30:22" (1/1) ... [2019-12-27 23:30:22,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:30:22" (1/1) ... [2019-12-27 23:30:22,616 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:30:22" (1/1) ... [2019-12-27 23:30:22,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:30:22" (1/1) ... [2019-12-27 23:30:22,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-27 23:30:22,623 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-27 23:30:22,623 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-27 23:30:22,623 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-27 23:30:22,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:30:22" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-27 23:30:22,713 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-27 23:30:22,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-27 23:30:22,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-27 23:30:22,715 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-12-27 23:30:22,715 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-12-27 23:30:22,717 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2019-12-27 23:30:22,717 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2019-12-27 23:30:22,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-27 23:30:22,719 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-27 23:30:22,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-27 23:30:22,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-27 23:30:22,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-27 23:30:22,722 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 23:30:23,445 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-27 23:30:23,446 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-27 23:30:23,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 11:30:23 BoogieIcfgContainer [2019-12-27 23:30:23,447 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-27 23:30:23,449 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-27 23:30:23,449 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-27 23:30:23,452 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-27 23:30:23,453 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.12 11:30:21" (1/3) ... [2019-12-27 23:30:23,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79dec8c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 11:30:23, skipping insertion in model container [2019-12-27 23:30:23,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.12 11:30:22" (2/3) ... [2019-12-27 23:30:23,457 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79dec8c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.12 11:30:23, skipping insertion in model container [2019-12-27 23:30:23,457 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.12 11:30:23" (3/3) ... [2019-12-27 23:30:23,459 INFO L109 eAbstractionObserver]: Analyzing ICFG sync01.i [2019-12-27 23:30:23,469 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-27 23:30:23,470 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-27 23:30:23,478 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-27 23:30:23,479 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-27 23:30:23,518 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,518 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,519 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,519 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,520 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,520 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,521 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,521 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,521 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,522 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,522 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,522 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,522 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,523 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,523 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,523 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,524 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,524 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,524 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,525 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,525 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,525 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,526 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,526 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,526 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,526 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,530 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,530 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,531 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,531 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,531 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,531 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,532 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,537 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,538 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,538 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,538 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,539 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,539 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,539 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-27 23:30:23,561 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-27 23:30:23,577 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-27 23:30:23,577 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-27 23:30:23,577 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-27 23:30:23,577 INFO L376 AbstractCegarLoop]: Backedges is MCR [2019-12-27 23:30:23,577 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-27 23:30:23,578 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-27 23:30:23,578 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-27 23:30:23,578 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-27 23:30:23,590 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 91 places, 91 transitions [2019-12-27 23:30:23,656 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 762 states. [2019-12-27 23:30:23,661 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states. [2019-12-27 23:30:23,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-27 23:30:23,701 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:30:23,702 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 23:30:23,703 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 23:30:23,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:30:23,710 INFO L82 PathProgramCache]: Analyzing trace with hash -624029613, now seen corresponding path program 1 times [2019-12-27 23:30:23,722 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:30:23,723 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1686724587] [2019-12-27 23:30:23,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:30:23,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 23:30:24,002 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 23:30:24,003 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1686724587] [2019-12-27 23:30:24,004 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 23:30:24,004 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-27 23:30:24,005 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1830859490] [2019-12-27 23:30:24,006 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 23:30:24,036 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 23:30:24,266 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 226 states and 442 transitions. [2019-12-27 23:30:24,267 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 23:30:24,304 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 3 times. [2019-12-27 23:30:24,304 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-27 23:30:24,305 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 23:30:24,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-27 23:30:24,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-27 23:30:24,321 INFO L87 Difference]: Start difference. First operand 762 states. Second operand 3 states. [2019-12-27 23:30:24,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 23:30:24,391 INFO L93 Difference]: Finished difference Result 570 states and 1213 transitions. [2019-12-27 23:30:24,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-27 23:30:24,394 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2019-12-27 23:30:24,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 23:30:24,425 INFO L225 Difference]: With dead ends: 570 [2019-12-27 23:30:24,425 INFO L226 Difference]: Without dead ends: 562 [2019-12-27 23:30:24,429 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 23:30:24,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2019-12-27 23:30:24,510 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 562. [2019-12-27 23:30:24,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 562 states. [2019-12-27 23:30:24,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 562 states and 1205 transitions. [2019-12-27 23:30:24,515 INFO L78 Accepts]: Start accepts. Automaton has 562 states and 1205 transitions. Word has length 68 [2019-12-27 23:30:24,516 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 23:30:24,516 INFO L462 AbstractCegarLoop]: Abstraction has 562 states and 1205 transitions. [2019-12-27 23:30:24,516 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-27 23:30:24,516 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 1205 transitions. [2019-12-27 23:30:24,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-27 23:30:24,520 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:30:24,520 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 23:30:24,520 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 23:30:24,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:30:24,521 INFO L82 PathProgramCache]: Analyzing trace with hash -1809399259, now seen corresponding path program 1 times [2019-12-27 23:30:24,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:30:24,522 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2106223129] [2019-12-27 23:30:24,522 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:30:24,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 23:30:24,779 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 23:30:24,780 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2106223129] [2019-12-27 23:30:24,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 23:30:24,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-27 23:30:24,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1025806471] [2019-12-27 23:30:24,784 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 23:30:24,803 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 23:30:25,258 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 226 states and 438 transitions. [2019-12-27 23:30:25,258 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 23:30:25,284 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 3 times. [2019-12-27 23:30:25,285 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-12-27 23:30:25,285 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 23:30:25,286 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-12-27 23:30:25,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2019-12-27 23:30:25,286 INFO L87 Difference]: Start difference. First operand 562 states and 1205 transitions. Second operand 8 states. [2019-12-27 23:30:25,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 23:30:25,796 INFO L93 Difference]: Finished difference Result 334 states and 683 transitions. [2019-12-27 23:30:25,796 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-12-27 23:30:25,796 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 68 [2019-12-27 23:30:25,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 23:30:25,799 INFO L225 Difference]: With dead ends: 334 [2019-12-27 23:30:25,799 INFO L226 Difference]: Without dead ends: 292 [2019-12-27 23:30:25,800 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2019-12-27 23:30:25,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2019-12-27 23:30:25,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 292. [2019-12-27 23:30:25,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2019-12-27 23:30:25,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 599 transitions. [2019-12-27 23:30:25,825 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 599 transitions. Word has length 68 [2019-12-27 23:30:25,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 23:30:25,826 INFO L462 AbstractCegarLoop]: Abstraction has 292 states and 599 transitions. [2019-12-27 23:30:25,826 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-12-27 23:30:25,826 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 599 transitions. [2019-12-27 23:30:25,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2019-12-27 23:30:25,827 INFO L403 BasicCegarLoop]: Found error trace [2019-12-27 23:30:25,829 INFO L411 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-27 23:30:25,829 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-27 23:30:25,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-27 23:30:25,830 INFO L82 PathProgramCache]: Analyzing trace with hash 1207218393, now seen corresponding path program 1 times [2019-12-27 23:30:25,830 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-27 23:30:25,830 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882642888] [2019-12-27 23:30:25,831 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-27 23:30:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-27 23:30:26,070 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 23:30:26,071 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882642888] [2019-12-27 23:30:26,071 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-27 23:30:26,071 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-12-27 23:30:26,071 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleMcr [1026997602] [2019-12-27 23:30:26,072 INFO L132 pAbStrategyModuleMcr]: Constructing automaton for MCR equivalence class. [2019-12-27 23:30:26,088 INFO L197 pAbStrategyModuleMcr]: Started intersection. [2019-12-27 23:30:26,228 INFO L208 pAbStrategyModuleMcr]: Finished intersection with 202 states and 390 transitions. [2019-12-27 23:30:26,228 INFO L219 pAbStrategyModuleMcr]: Constructing interpolant automaton by labelling MCR automaton. [2019-12-27 23:30:26,235 INFO L288 pAbStrategyModuleMcr]: Construction finished. Needed to calculate wp 16 times. [2019-12-27 23:30:26,236 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-27 23:30:26,236 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-27 23:30:26,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-27 23:30:26,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-12-27 23:30:26,237 INFO L87 Difference]: Start difference. First operand 292 states and 599 transitions. Second operand 7 states. [2019-12-27 23:30:26,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-27 23:30:26,315 INFO L93 Difference]: Finished difference Result 281 states and 567 transitions. [2019-12-27 23:30:26,316 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-27 23:30:26,316 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 68 [2019-12-27 23:30:26,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-27 23:30:26,316 INFO L225 Difference]: With dead ends: 281 [2019-12-27 23:30:26,316 INFO L226 Difference]: Without dead ends: 0 [2019-12-27 23:30:26,317 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-12-27 23:30:26,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-27 23:30:26,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-27 23:30:26,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-27 23:30:26,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-27 23:30:26,318 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2019-12-27 23:30:26,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-27 23:30:26,318 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-27 23:30:26,318 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-27 23:30:26,319 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-27 23:30:26,319 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-27 23:30:26,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.12 11:30:26 BasicIcfg [2019-12-27 23:30:26,324 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-27 23:30:26,327 INFO L168 Benchmark]: Toolchain (without parser) took 4757.60 ms. Allocated memory was 145.8 MB in the beginning and 381.7 MB in the end (delta: 235.9 MB). Free memory was 100.3 MB in the beginning and 224.1 MB in the end (delta: -123.8 MB). Peak memory consumption was 112.1 MB. Max. memory is 7.1 GB. [2019-12-27 23:30:26,328 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-12-27 23:30:26,329 INFO L168 Benchmark]: CACSL2BoogieTranslator took 953.67 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 99.9 MB in the beginning and 137.3 MB in the end (delta: -37.4 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2019-12-27 23:30:26,330 INFO L168 Benchmark]: Boogie Procedure Inliner took 66.23 ms. Allocated memory is still 202.9 MB. Free memory was 137.3 MB in the beginning and 135.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 23:30:26,330 INFO L168 Benchmark]: Boogie Preprocessor took 31.87 ms. Allocated memory is still 202.9 MB. Free memory was 135.3 MB in the beginning and 133.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-12-27 23:30:26,331 INFO L168 Benchmark]: RCFGBuilder took 824.97 ms. Allocated memory is still 202.9 MB. Free memory was 133.3 MB in the beginning and 107.1 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2019-12-27 23:30:26,332 INFO L168 Benchmark]: TraceAbstraction took 2875.51 ms. Allocated memory was 202.9 MB in the beginning and 381.7 MB in the end (delta: 178.8 MB). Free memory was 107.1 MB in the beginning and 224.1 MB in the end (delta: -117.0 MB). Peak memory consumption was 61.7 MB. Max. memory is 7.1 GB. [2019-12-27 23:30:26,337 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 145.8 MB. Free memory was 120.8 MB in the beginning and 120.6 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 953.67 ms. Allocated memory was 145.8 MB in the beginning and 202.9 MB in the end (delta: 57.1 MB). Free memory was 99.9 MB in the beginning and 137.3 MB in the end (delta: -37.4 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 66.23 ms. Allocated memory is still 202.9 MB. Free memory was 137.3 MB in the beginning and 135.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 31.87 ms. Allocated memory is still 202.9 MB. Free memory was 135.3 MB in the beginning and 133.3 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 824.97 ms. Allocated memory is still 202.9 MB. Free memory was 133.3 MB in the beginning and 107.1 MB in the end (delta: 26.2 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2875.51 ms. Allocated memory was 202.9 MB in the beginning and 381.7 MB in the end (delta: 178.8 MB). Free memory was 107.1 MB in the beginning and 224.1 MB in the end (delta: -117.0 MB). Peak memory consumption was 61.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 947]: 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 3 procedures, 85 locations, 1 error locations. Result: SAFE, OverallTime: 2.7s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 272 SDtfs, 181 SDslu, 539 SDs, 0 SdLazy, 183 SolverSat, 27 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 26 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=762occurred 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: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 204 NumberOfCodeBlocks, 204 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 201 ConstructedInterpolants, 0 QuantifiedInterpolants, 31222 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...