./Ultimate.py --spec /storage/repos/svcomp/c/properties/unreach-call.prp --file /storage/repos/svcomp/c/ldv-races/race-1_2-join_false-unreach-call.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 91b1670e Calling Ultimate with: java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/svcomp/c/ldv-races/race-1_2-join_false-unreach-call.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bbb12092620cbaf3074ed3ddd0daeec7f12dd9c9 ............................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 20:44:29,221 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 20:44:29,223 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 20:44:29,237 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 20:44:29,238 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 20:44:29,239 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 20:44:29,241 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 20:44:29,243 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 20:44:29,245 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 20:44:29,246 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 20:44:29,248 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 20:44:29,248 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 20:44:29,249 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 20:44:29,251 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 20:44:29,252 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 20:44:29,253 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 20:44:29,254 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 20:44:29,256 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 20:44:29,262 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 20:44:29,267 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 20:44:29,269 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 20:44:29,270 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 20:44:29,272 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 20:44:29,272 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 20:44:29,273 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 20:44:29,274 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 20:44:29,275 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 20:44:29,275 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 20:44:29,277 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 20:44:29,278 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 20:44:29,278 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 20:44:29,279 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 20:44:29,279 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 20:44:29,279 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 20:44:29,280 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 20:44:29,281 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 20:44:29,282 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 20:44:29,297 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 20:44:29,297 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 20:44:29,298 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 20:44:29,298 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 20:44:29,299 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 20:44:29,299 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 20:44:29,299 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 20:44:29,299 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 20:44:29,299 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 20:44:29,301 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 20:44:29,301 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 20:44:29,301 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 20:44:29,301 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 20:44:29,301 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 20:44:29,301 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 20:44:29,302 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 20:44:29,302 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 20:44:29,302 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 20:44:29,302 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 20:44:29,302 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 20:44:29,303 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 20:44:29,304 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 20:44:29,304 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 20:44:29,304 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 20:44:29,305 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 20:44:29,305 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 20:44:29,305 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 20:44:29,305 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 20:44:29,305 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 20:44:29,307 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 20:44:29,307 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bbb12092620cbaf3074ed3ddd0daeec7f12dd9c9 [2018-11-28 20:44:29,371 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 20:44:29,393 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 20:44:29,399 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 20:44:29,400 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 20:44:29,401 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 20:44:29,402 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/ldv-races/race-1_2-join_false-unreach-call.i [2018-11-28 20:44:29,469 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82397225a/eefd9e590aa74fe2a05e8540652a3abe/FLAG57ba2eaa7 [2018-11-28 20:44:30,204 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 20:44:30,205 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/ldv-races/race-1_2-join_false-unreach-call.i [2018-11-28 20:44:30,236 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82397225a/eefd9e590aa74fe2a05e8540652a3abe/FLAG57ba2eaa7 [2018-11-28 20:44:30,325 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/82397225a/eefd9e590aa74fe2a05e8540652a3abe [2018-11-28 20:44:30,331 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 20:44:30,333 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 20:44:30,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 20:44:30,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 20:44:30,341 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 20:44:30,344 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:44:30" (1/1) ... [2018-11-28 20:44:30,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59241f27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:44:30, skipping insertion in model container [2018-11-28 20:44:30,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:44:30" (1/1) ... [2018-11-28 20:44:30,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 20:44:30,441 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 20:44:31,309 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 20:44:31,333 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 20:44:31,513 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 20:44:31,930 INFO L195 MainTranslator]: Completed translation [2018-11-28 20:44:31,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:44:31 WrapperNode [2018-11-28 20:44:31,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 20:44:31,932 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 20:44:31,932 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 20:44:31,932 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 20:44:31,943 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:44:31" (1/1) ... [2018-11-28 20:44:32,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:44:31" (1/1) ... [2018-11-28 20:44:32,057 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 20:44:32,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 20:44:32,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 20:44:32,058 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 20:44:32,071 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:44:31" (1/1) ... [2018-11-28 20:44:32,071 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:44:31" (1/1) ... [2018-11-28 20:44:32,081 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:44:31" (1/1) ... [2018-11-28 20:44:32,081 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:44:31" (1/1) ... [2018-11-28 20:44:32,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:44:31" (1/1) ... [2018-11-28 20:44:32,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:44:31" (1/1) ... [2018-11-28 20:44:32,127 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:44:31" (1/1) ... [2018-11-28 20:44:32,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 20:44:32,143 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 20:44:32,143 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 20:44:32,144 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 20:44:32,145 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:44:31" (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 [2018-11-28 20:44:32,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-28 20:44:32,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-28 20:44:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-28 20:44:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2018-11-28 20:44:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-11-28 20:44:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 20:44:32,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 20:44:32,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2018-11-28 20:44:32,243 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2018-11-28 20:44:32,243 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2018-11-28 20:44:32,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-11-28 20:44:32,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-28 20:44:32,245 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-11-28 20:44:33,307 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 20:44:33,307 INFO L280 CfgBuilder]: Removed 16 assue(true) statements. [2018-11-28 20:44:33,308 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:44:33 BoogieIcfgContainer [2018-11-28 20:44:33,308 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 20:44:33,309 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 20:44:33,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 20:44:33,312 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 20:44:33,313 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:44:30" (1/3) ... [2018-11-28 20:44:33,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3493b638 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:44:33, skipping insertion in model container [2018-11-28 20:44:33,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:44:31" (2/3) ... [2018-11-28 20:44:33,315 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3493b638 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:44:33, skipping insertion in model container [2018-11-28 20:44:33,315 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:44:33" (3/3) ... [2018-11-28 20:44:33,317 INFO L112 eAbstractionObserver]: Analyzing ICFG race-1_2-join_false-unreach-call.i [2018-11-28 20:44:33,400 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:44:33,400 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:44:33,401 WARN L317 ript$VariableManager]: TermVariabe Thread0_thread1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:44:33,401 WARN L317 ript$VariableManager]: TermVariabe Thread0_thread1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:44:33,401 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:44:33,402 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:44:33,402 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:44:33,402 WARN L317 ript$VariableManager]: TermVariabe |Thread0_thread1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-11-28 20:44:33,448 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-11-28 20:44:33,448 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 20:44:33,458 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-11-28 20:44:33,481 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-11-28 20:44:33,507 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 20:44:33,508 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 20:44:33,508 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 20:44:33,508 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 20:44:33,508 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 20:44:33,508 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 20:44:33,509 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 20:44:33,509 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 20:44:33,509 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 20:44:33,522 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 82places, 86 transitions [2018-11-28 20:44:33,555 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 241 states. [2018-11-28 20:44:33,558 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states. [2018-11-28 20:44:33,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-11-28 20:44:33,568 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:44:33,570 INFO L402 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] [2018-11-28 20:44:33,572 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:44:33,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:44:33,580 INFO L82 PathProgramCache]: Analyzing trace with hash -1750137003, now seen corresponding path program 1 times [2018-11-28 20:44:33,584 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:44:33,584 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:44:33,713 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:44:33,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:44:33,714 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:44:33,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:44:34,077 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:44:34,080 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:44:34,081 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 20:44:34,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 20:44:34,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 20:44:34,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 20:44:34,103 INFO L87 Difference]: Start difference. First operand 241 states. Second operand 5 states. [2018-11-28 20:44:34,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:44:34,469 INFO L93 Difference]: Finished difference Result 239 states and 386 transitions. [2018-11-28 20:44:34,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 20:44:34,472 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2018-11-28 20:44:34,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:44:34,485 INFO L225 Difference]: With dead ends: 239 [2018-11-28 20:44:34,485 INFO L226 Difference]: Without dead ends: 183 [2018-11-28 20:44:34,487 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-11-28 20:44:34,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-11-28 20:44:34,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2018-11-28 20:44:34,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2018-11-28 20:44:34,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 294 transitions. [2018-11-28 20:44:34,545 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 294 transitions. Word has length 25 [2018-11-28 20:44:34,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:44:34,546 INFO L480 AbstractCegarLoop]: Abstraction has 183 states and 294 transitions. [2018-11-28 20:44:34,546 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 20:44:34,546 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 294 transitions. [2018-11-28 20:44:34,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-11-28 20:44:34,547 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:44:34,549 INFO L402 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] [2018-11-28 20:44:34,549 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:44:34,549 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:44:34,550 INFO L82 PathProgramCache]: Analyzing trace with hash 369839385, now seen corresponding path program 1 times [2018-11-28 20:44:34,550 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:44:34,550 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:44:34,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:44:34,582 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:44:34,582 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:44:34,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:44:34,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:44:34,926 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:44:34,926 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 20:44:34,928 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 20:44:34,928 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 20:44:34,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-28 20:44:34,929 INFO L87 Difference]: Start difference. First operand 183 states and 294 transitions. Second operand 8 states. [2018-11-28 20:44:35,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:44:35,390 INFO L93 Difference]: Finished difference Result 181 states and 292 transitions. [2018-11-28 20:44:35,391 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-11-28 20:44:35,391 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 33 [2018-11-28 20:44:35,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:44:35,394 INFO L225 Difference]: With dead ends: 181 [2018-11-28 20:44:35,394 INFO L226 Difference]: Without dead ends: 175 [2018-11-28 20:44:35,395 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2018-11-28 20:44:35,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2018-11-28 20:44:35,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2018-11-28 20:44:35,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-11-28 20:44:35,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 286 transitions. [2018-11-28 20:44:35,412 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 286 transitions. Word has length 33 [2018-11-28 20:44:35,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:44:35,413 INFO L480 AbstractCegarLoop]: Abstraction has 175 states and 286 transitions. [2018-11-28 20:44:35,413 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 20:44:35,413 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 286 transitions. [2018-11-28 20:44:35,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-28 20:44:35,415 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:44:35,416 INFO L402 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] [2018-11-28 20:44:35,416 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:44:35,416 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:44:35,416 INFO L82 PathProgramCache]: Analyzing trace with hash -393037267, now seen corresponding path program 1 times [2018-11-28 20:44:35,417 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:44:35,417 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:44:35,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:44:35,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:44:35,432 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:44:35,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 20:44:35,750 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 20:44:35,751 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 20:44:35,751 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-11-28 20:44:35,751 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-28 20:44:35,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-28 20:44:35,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-11-28 20:44:35,752 INFO L87 Difference]: Start difference. First operand 175 states and 286 transitions. Second operand 8 states. [2018-11-28 20:44:36,059 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 8 [2018-11-28 20:44:36,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 20:44:36,447 INFO L93 Difference]: Finished difference Result 277 states and 449 transitions. [2018-11-28 20:44:36,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-28 20:44:36,449 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 36 [2018-11-28 20:44:36,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 20:44:36,453 INFO L225 Difference]: With dead ends: 277 [2018-11-28 20:44:36,454 INFO L226 Difference]: Without dead ends: 277 [2018-11-28 20:44:36,454 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2018-11-28 20:44:36,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2018-11-28 20:44:36,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 183. [2018-11-28 20:44:36,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2018-11-28 20:44:36,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 298 transitions. [2018-11-28 20:44:36,470 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 298 transitions. Word has length 36 [2018-11-28 20:44:36,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 20:44:36,471 INFO L480 AbstractCegarLoop]: Abstraction has 183 states and 298 transitions. [2018-11-28 20:44:36,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-28 20:44:36,472 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 298 transitions. [2018-11-28 20:44:36,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-11-28 20:44:36,474 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 20:44:36,475 INFO L402 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] [2018-11-28 20:44:36,475 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 20:44:36,475 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 20:44:36,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1348332885, now seen corresponding path program 1 times [2018-11-28 20:44:36,476 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 20:44:36,477 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 20:44:36,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:44:36,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 20:44:36,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 20:44:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 20:44:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 20:44:36,585 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 20:44:36,645 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-11-28 20:44:36,648 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 08:44:36 BasicIcfg [2018-11-28 20:44:36,651 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 20:44:36,651 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 20:44:36,651 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 20:44:36,652 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 20:44:36,653 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:44:33" (3/4) ... [2018-11-28 20:44:36,657 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 20:44:36,732 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 20:44:36,732 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 20:44:36,733 INFO L168 Benchmark]: Toolchain (without parser) took 6401.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 945.9 MB in the beginning and 838.4 MB in the end (delta: 107.5 MB). Peak memory consumption was 251.7 MB. Max. memory is 11.5 GB. [2018-11-28 20:44:36,735 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 20:44:36,735 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1596.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 945.9 MB in the beginning and 1.0 GB in the end (delta: -67.3 MB). Peak memory consumption was 91.4 MB. Max. memory is 11.5 GB. [2018-11-28 20:44:36,736 INFO L168 Benchmark]: Boogie Procedure Inliner took 125.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 20:44:36,737 INFO L168 Benchmark]: Boogie Preprocessor took 85.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-11-28 20:44:36,738 INFO L168 Benchmark]: RCFGBuilder took 1164.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 969.8 MB in the end (delta: 36.9 MB). Peak memory consumption was 36.9 MB. Max. memory is 11.5 GB. [2018-11-28 20:44:36,739 INFO L168 Benchmark]: TraceAbstraction took 3341.99 ms. Allocated memory is still 1.2 GB. Free memory was 969.8 MB in the beginning and 838.4 MB in the end (delta: 131.4 MB). Peak memory consumption was 131.4 MB. Max. memory is 11.5 GB. [2018-11-28 20:44:36,740 INFO L168 Benchmark]: Witness Printer took 81.03 ms. Allocated memory is still 1.2 GB. Free memory is still 838.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 20:44:36,745 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 978.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1596.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 945.9 MB in the beginning and 1.0 GB in the end (delta: -67.3 MB). Peak memory consumption was 91.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 125.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 85.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1164.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 969.8 MB in the end (delta: 36.9 MB). Peak memory consumption was 36.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3341.99 ms. Allocated memory is still 1.2 GB. Free memory was 969.8 MB in the beginning and 838.4 MB in the end (delta: 131.4 MB). Peak memory consumption was 131.4 MB. Max. memory is 11.5 GB. * Witness Printer took 81.03 ms. Allocated memory is still 1.2 GB. Free memory is still 838.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3766]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L3768] -1 pthread_t t1; VAL [t1={43:0}] [L3769] -1 pthread_mutex_t mutex; VAL [mutex={41:0}, t1={43:0}] [L3770] -1 int pdev; VAL [mutex={41:0}, pdev=0, t1={43:0}] [L3782] -1 pdev = 1 VAL [mutex={41:0}, pdev=1, t1={43:0}] [L3766] COND FALSE -1 !(!expression) VAL [mutex={41:0}, pdev=1, t1={43:0}] [L3784] COND TRUE -1 __VERIFIER_nondet_int() VAL [mutex={41:0}, pdev=1, t1={43:0}] [L3786] FCALL, FORK -1 pthread_create(&t1, ((void *)0), thread1, ((void *)0)) VAL [arg={0:0}, mutex={41:0}, pdev=1, t1={43:0}] [L3788] -1 pdev = 2 VAL [arg={0:0}, mutex={41:0}, pdev=2, t1={43:0}] [L3774] 0 pdev = 6 VAL [arg={0:0}, arg={0:0}, mutex={41:0}, pdev=6, t1={43:0}] [L3766] COND TRUE -1 !expression VAL [arg={0:0}, arg={0:0}, mutex={41:0}, pdev=6, t1={43:0}] [L3766] -1 __VERIFIER_error() VAL [arg={0:0}, arg={0:0}, mutex={41:0}, pdev=6, t1={43:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 90 locations, 4 error locations. UNSAFE Result, 3.1s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 1.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 208 SDtfs, 334 SDslu, 714 SDs, 0 SdLazy, 136 SolverSat, 15 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 39 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=241occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 94 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 134 NumberOfCodeBlocks, 134 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 91 ConstructedInterpolants, 0 QuantifiedInterpolants, 4290 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...