./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-races/race-1_2-join.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-races/race-1_2-join.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(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b74577f7b762bc71b4ec24b3f1b1d4417fb82a2d ........................................................................................................................................................................................................................................................................................................................................................................... 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 0.2.0-5485861 [2020-10-26 00:35:24,380 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 00:35:24,383 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 00:35:24,425 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 00:35:24,425 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 00:35:24,427 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 00:35:24,428 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 00:35:24,431 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 00:35:24,433 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 00:35:24,434 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 00:35:24,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 00:35:24,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 00:35:24,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 00:35:24,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 00:35:24,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 00:35:24,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 00:35:24,442 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 00:35:24,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 00:35:24,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 00:35:24,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 00:35:24,449 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 00:35:24,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 00:35:24,452 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 00:35:24,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 00:35:24,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 00:35:24,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 00:35:24,457 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 00:35:24,459 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 00:35:24,459 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 00:35:24,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 00:35:24,461 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 00:35:24,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 00:35:24,463 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 00:35:24,464 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 00:35:24,465 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 00:35:24,466 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 00:35:24,466 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 00:35:24,467 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 00:35:24,467 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 00:35:24,468 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 00:35:24,469 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 00:35:24,470 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-26 00:35:24,506 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 00:35:24,507 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 00:35:24,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 00:35:24,508 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 00:35:24,509 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 00:35:24,509 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 00:35:24,509 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-26 00:35:24,510 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 00:35:24,510 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-26 00:35:24,510 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 00:35:24,510 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-26 00:35:24,511 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-26 00:35:24,511 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-26 00:35:24,511 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-26 00:35:24,512 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 00:35:24,512 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 00:35:24,512 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-26 00:35:24,512 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 00:35:24,513 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 00:35:24,513 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-26 00:35:24,513 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-26 00:35:24,513 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-26 00:35:24,514 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 00:35:24,514 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-26 00:35:24,514 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-26 00:35:24,515 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 00:35:24,515 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-26 00:35:24,515 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-26 00:35:24,515 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 00:35:24,516 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b74577f7b762bc71b4ec24b3f1b1d4417fb82a2d [2020-10-26 00:35:24,893 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 00:35:24,921 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 00:35:24,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 00:35:24,926 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 00:35:24,927 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 00:35:24,928 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-races/race-1_2-join.i [2020-10-26 00:35:24,999 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30e4a411f/12c35930bf2349fb9c2fbfad94f85ed8/FLAG11d3dc716 [2020-10-26 00:35:25,762 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 00:35:25,779 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-races/race-1_2-join.i [2020-10-26 00:35:25,816 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30e4a411f/12c35930bf2349fb9c2fbfad94f85ed8/FLAG11d3dc716 [2020-10-26 00:35:25,917 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30e4a411f/12c35930bf2349fb9c2fbfad94f85ed8 [2020-10-26 00:35:25,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 00:35:25,926 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 00:35:25,928 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 00:35:25,928 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 00:35:25,934 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 00:35:25,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 12:35:25" (1/1) ... [2020-10-26 00:35:25,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67c5faaa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:35:25, skipping insertion in model container [2020-10-26 00:35:25,947 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 12:35:25" (1/1) ... [2020-10-26 00:35:25,956 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 00:35:26,035 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 00:35:27,236 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 00:35:27,254 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 00:35:27,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 00:35:27,724 INFO L208 MainTranslator]: Completed translation [2020-10-26 00:35:27,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:35:27 WrapperNode [2020-10-26 00:35:27,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 00:35:27,726 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 00:35:27,726 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 00:35:27,726 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 00:35:27,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:35:27" (1/1) ... [2020-10-26 00:35:27,766 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:35:27" (1/1) ... [2020-10-26 00:35:27,819 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 00:35:27,820 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 00:35:27,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 00:35:27,821 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 00:35:27,830 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:35:27" (1/1) ... [2020-10-26 00:35:27,830 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:35:27" (1/1) ... [2020-10-26 00:35:27,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:35:27" (1/1) ... [2020-10-26 00:35:27,835 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:35:27" (1/1) ... [2020-10-26 00:35:27,848 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:35:27" (1/1) ... [2020-10-26 00:35:27,850 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:35:27" (1/1) ... [2020-10-26 00:35:27,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:35:27" (1/1) ... [2020-10-26 00:35:27,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 00:35:27,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 00:35:27,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 00:35:27,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 00:35:27,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:35:27" (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 [2020-10-26 00:35:27,944 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2020-10-26 00:35:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-26 00:35:27,945 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2020-10-26 00:35:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-26 00:35:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-26 00:35:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-26 00:35:27,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 00:35:27,946 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 00:35:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-26 00:35:27,947 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-26 00:35:27,948 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-26 00:35:27,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-26 00:35:27,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-26 00:35:27,950 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-26 00:35:28,644 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 00:35:28,644 INFO L298 CfgBuilder]: Removed 24 assume(true) statements. [2020-10-26 00:35:28,646 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 12:35:28 BoogieIcfgContainer [2020-10-26 00:35:28,646 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 00:35:28,648 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-26 00:35:28,649 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-26 00:35:28,652 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-26 00:35:28,653 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 12:35:25" (1/3) ... [2020-10-26 00:35:28,653 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49f968e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 12:35:28, skipping insertion in model container [2020-10-26 00:35:28,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 12:35:27" (2/3) ... [2020-10-26 00:35:28,654 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49f968e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 12:35:28, skipping insertion in model container [2020-10-26 00:35:28,654 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 12:35:28" (3/3) ... [2020-10-26 00:35:28,656 INFO L111 eAbstractionObserver]: Analyzing ICFG race-1_2-join.i [2020-10-26 00:35:28,667 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-26 00:35:28,668 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-26 00:35:28,673 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2020-10-26 00:35:28,674 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-26 00:35:28,698 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:35:28,698 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:35:28,698 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:35:28,699 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:35:28,699 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:35:28,699 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:35:28,700 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:35:28,700 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:35:28,702 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:35:28,703 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:35:28,703 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:35:28,703 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:35:28,703 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-26 00:35:28,710 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2020-10-26 00:35:28,722 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-26 00:35:28,743 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-26 00:35:28,743 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-26 00:35:28,744 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-26 00:35:28,744 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 00:35:28,744 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 00:35:28,744 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-26 00:35:28,744 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 00:35:28,744 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-26 00:35:28,758 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-26 00:35:28,760 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 95 places, 99 transitions, 206 flow [2020-10-26 00:35:28,763 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 95 places, 99 transitions, 206 flow [2020-10-26 00:35:28,765 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 95 places, 99 transitions, 206 flow [2020-10-26 00:35:28,813 INFO L129 PetriNetUnfolder]: 7/110 cut-off events. [2020-10-26 00:35:28,813 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2020-10-26 00:35:28,816 INFO L80 FinitePrefix]: Finished finitePrefix Result has 115 conditions, 110 events. 7/110 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 190 event pairs, 0 based on Foata normal form. 0/97 useless extension candidates. Maximal degree in co-relation 66. Up to 3 conditions per place. [2020-10-26 00:35:28,818 INFO L116 LiptonReduction]: Number of co-enabled transitions 238 [2020-10-26 00:35:30,810 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 70 [2020-10-26 00:35:30,927 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2020-10-26 00:35:31,249 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-26 00:35:31,385 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-26 00:35:31,915 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 120 [2020-10-26 00:35:32,127 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 118 [2020-10-26 00:35:32,327 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 106 [2020-10-26 00:35:32,528 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 104 [2020-10-26 00:35:32,541 INFO L131 LiptonReduction]: Checked pairs total: 272 [2020-10-26 00:35:32,541 INFO L133 LiptonReduction]: Total number of compositions: 127 [2020-10-26 00:35:32,548 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 17 places, 15 transitions, 38 flow [2020-10-26 00:35:32,556 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 21 states. [2020-10-26 00:35:32,558 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states. [2020-10-26 00:35:32,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2020-10-26 00:35:32,563 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 00:35:32,563 INFO L422 BasicCegarLoop]: trace histogram [1] [2020-10-26 00:35:32,564 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 00:35:32,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 00:35:32,570 INFO L82 PathProgramCache]: Analyzing trace with hash 432, now seen corresponding path program 1 times [2020-10-26 00:35:32,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 00:35:32,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432232177] [2020-10-26 00:35:32,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 00:35:32,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 00:35:32,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 00:35:32,819 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432232177] [2020-10-26 00:35:32,825 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 00:35:32,825 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2020-10-26 00:35:32,826 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001133820] [2020-10-26 00:35:32,833 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-10-26 00:35:32,834 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 00:35:32,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-10-26 00:35:32,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-26 00:35:32,857 INFO L87 Difference]: Start difference. First operand 21 states. Second operand 2 states. [2020-10-26 00:35:32,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 00:35:32,869 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2020-10-26 00:35:32,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-10-26 00:35:32,871 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2020-10-26 00:35:32,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 00:35:32,881 INFO L225 Difference]: With dead ends: 18 [2020-10-26 00:35:32,881 INFO L226 Difference]: Without dead ends: 8 [2020-10-26 00:35:32,882 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-10-26 00:35:32,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2020-10-26 00:35:32,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2020-10-26 00:35:32,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2020-10-26 00:35:32,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 9 transitions. [2020-10-26 00:35:32,914 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 9 transitions. Word has length 1 [2020-10-26 00:35:32,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 00:35:32,915 INFO L481 AbstractCegarLoop]: Abstraction has 8 states and 9 transitions. [2020-10-26 00:35:32,915 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-10-26 00:35:32,915 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 9 transitions. [2020-10-26 00:35:32,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2020-10-26 00:35:32,915 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 00:35:32,915 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2020-10-26 00:35:32,916 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-26 00:35:32,916 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 00:35:32,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 00:35:32,917 INFO L82 PathProgramCache]: Analyzing trace with hash 13206062, now seen corresponding path program 1 times [2020-10-26 00:35:32,917 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 00:35:32,917 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770837010] [2020-10-26 00:35:32,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 00:35:32,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 00:35:33,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 00:35:33,125 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770837010] [2020-10-26 00:35:33,125 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 00:35:33,125 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-10-26 00:35:33,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401344386] [2020-10-26 00:35:33,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-26 00:35:33,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 00:35:33,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 00:35:33,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 00:35:33,132 INFO L87 Difference]: Start difference. First operand 8 states and 9 transitions. Second operand 3 states. [2020-10-26 00:35:33,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 00:35:33,161 INFO L93 Difference]: Finished difference Result 8 states and 7 transitions. [2020-10-26 00:35:33,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 00:35:33,161 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2020-10-26 00:35:33,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-26 00:35:33,162 INFO L225 Difference]: With dead ends: 8 [2020-10-26 00:35:33,163 INFO L226 Difference]: Without dead ends: 6 [2020-10-26 00:35:33,164 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 00:35:33,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2020-10-26 00:35:33,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2020-10-26 00:35:33,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-10-26 00:35:33,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 5 transitions. [2020-10-26 00:35:33,167 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 5 transitions. Word has length 4 [2020-10-26 00:35:33,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-26 00:35:33,168 INFO L481 AbstractCegarLoop]: Abstraction has 6 states and 5 transitions. [2020-10-26 00:35:33,168 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-26 00:35:33,168 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 5 transitions. [2020-10-26 00:35:33,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2020-10-26 00:35:33,169 INFO L414 BasicCegarLoop]: Found error trace [2020-10-26 00:35:33,169 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2020-10-26 00:35:33,169 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-26 00:35:33,170 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-26 00:35:33,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 00:35:33,171 INFO L82 PathProgramCache]: Analyzing trace with hash 409393750, now seen corresponding path program 1 times [2020-10-26 00:35:33,171 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 00:35:33,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774341945] [2020-10-26 00:35:33,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 00:35:33,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 00:35:33,248 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 00:35:33,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 00:35:33,289 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 00:35:33,336 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 00:35:33,337 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-26 00:35:33,337 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-26 00:35:33,337 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-10-26 00:35:33,342 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [395] [395] L1734-1-->L1711: Formula: (and (<= 0 (+ |ULTIMATE.start_module_init_#t~nondet34_Out1300927147| 2147483648)) (= ~pdev~0_Out1300927147 1) (<= |ULTIMATE.start_module_init_#t~nondet34_Out1300927147| 2147483647) (= ULTIMATE.start_ldv_assert_~expression_Out1300927147 |ULTIMATE.start_ldv_assert_#in~expression_Out1300927147|) (= |ULTIMATE.start_ldv_assert_#in~expression_Out1300927147| 1) (= |ULTIMATE.start_reach_error_#t~nondet32.base_In1300927147| |ULTIMATE.start_reach_error_#t~nondet32.base_Out1300927147|) (= |ULTIMATE.start_reach_error_#t~nondet32.offset_Out1300927147| |ULTIMATE.start_reach_error_#t~nondet32.offset_In1300927147|) (= |#pthreadsMutex_Out1300927147| (store |#pthreadsMutex_In1300927147| |~#mutex~0.base_In1300927147| (store (select |#pthreadsMutex_In1300927147| |~#mutex~0.base_In1300927147|) |~#mutex~0.offset_In1300927147| 0)))) InVars {#pthreadsMutex=|#pthreadsMutex_In1300927147|, ~#mutex~0.base=|~#mutex~0.base_In1300927147|, ULTIMATE.start_reach_error_#t~nondet32.offset=|ULTIMATE.start_reach_error_#t~nondet32.offset_In1300927147|, ULTIMATE.start_reach_error_#t~nondet32.base=|ULTIMATE.start_reach_error_#t~nondet32.base_In1300927147|, ~#mutex~0.offset=|~#mutex~0.offset_In1300927147|} OutVars{#pthreadsMutex=|#pthreadsMutex_Out1300927147|, ~#mutex~0.base=|~#mutex~0.base_In1300927147|, ULTIMATE.start_reach_error_#t~nondet32.offset=|ULTIMATE.start_reach_error_#t~nondet32.offset_Out1300927147|, ~pdev~0=~pdev~0_Out1300927147, ULTIMATE.start_module_init_#t~nondet35=|ULTIMATE.start_module_init_#t~nondet35_Out1300927147|, ULTIMATE.start_reach_error_#t~nondet32.base=|ULTIMATE.start_reach_error_#t~nondet32.base_Out1300927147|, ~#mutex~0.offset=|~#mutex~0.offset_In1300927147|, ULTIMATE.start_module_init_#t~nondet34=|ULTIMATE.start_module_init_#t~nondet34_Out1300927147|, ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_Out1300927147|, ULTIMATE.start_ldv_assert_~expression=ULTIMATE.start_ldv_assert_~expression_Out1300927147} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_reach_error_#t~nondet32.offset, ~pdev~0, ULTIMATE.start_module_init_#t~nondet35, ULTIMATE.start_reach_error_#t~nondet32.base, ULTIMATE.start_module_init_#t~nondet34, ULTIMATE.start_ldv_assert_#in~expression, ULTIMATE.start_ldv_assert_~expression] because there is no mapped edge [2020-10-26 00:35:33,369 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 12:35:33 BasicIcfg [2020-10-26 00:35:33,370 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-26 00:35:33,371 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 00:35:33,371 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 00:35:33,371 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 00:35:33,372 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 12:35:28" (3/4) ... [2020-10-26 00:35:33,374 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-10-26 00:35:33,375 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [395] [395] L1734-1-->L1711: Formula: (and (<= 0 (+ |ULTIMATE.start_module_init_#t~nondet34_Out1300927147| 2147483648)) (= ~pdev~0_Out1300927147 1) (<= |ULTIMATE.start_module_init_#t~nondet34_Out1300927147| 2147483647) (= ULTIMATE.start_ldv_assert_~expression_Out1300927147 |ULTIMATE.start_ldv_assert_#in~expression_Out1300927147|) (= |ULTIMATE.start_ldv_assert_#in~expression_Out1300927147| 1) (= |ULTIMATE.start_reach_error_#t~nondet32.base_In1300927147| |ULTIMATE.start_reach_error_#t~nondet32.base_Out1300927147|) (= |ULTIMATE.start_reach_error_#t~nondet32.offset_Out1300927147| |ULTIMATE.start_reach_error_#t~nondet32.offset_In1300927147|) (= |#pthreadsMutex_Out1300927147| (store |#pthreadsMutex_In1300927147| |~#mutex~0.base_In1300927147| (store (select |#pthreadsMutex_In1300927147| |~#mutex~0.base_In1300927147|) |~#mutex~0.offset_In1300927147| 0)))) InVars {#pthreadsMutex=|#pthreadsMutex_In1300927147|, ~#mutex~0.base=|~#mutex~0.base_In1300927147|, ULTIMATE.start_reach_error_#t~nondet32.offset=|ULTIMATE.start_reach_error_#t~nondet32.offset_In1300927147|, ULTIMATE.start_reach_error_#t~nondet32.base=|ULTIMATE.start_reach_error_#t~nondet32.base_In1300927147|, ~#mutex~0.offset=|~#mutex~0.offset_In1300927147|} OutVars{#pthreadsMutex=|#pthreadsMutex_Out1300927147|, ~#mutex~0.base=|~#mutex~0.base_In1300927147|, ULTIMATE.start_reach_error_#t~nondet32.offset=|ULTIMATE.start_reach_error_#t~nondet32.offset_Out1300927147|, ~pdev~0=~pdev~0_Out1300927147, ULTIMATE.start_module_init_#t~nondet35=|ULTIMATE.start_module_init_#t~nondet35_Out1300927147|, ULTIMATE.start_reach_error_#t~nondet32.base=|ULTIMATE.start_reach_error_#t~nondet32.base_Out1300927147|, ~#mutex~0.offset=|~#mutex~0.offset_In1300927147|, ULTIMATE.start_module_init_#t~nondet34=|ULTIMATE.start_module_init_#t~nondet34_Out1300927147|, ULTIMATE.start_ldv_assert_#in~expression=|ULTIMATE.start_ldv_assert_#in~expression_Out1300927147|, ULTIMATE.start_ldv_assert_~expression=ULTIMATE.start_ldv_assert_~expression_Out1300927147} AuxVars[] AssignedVars[#pthreadsMutex, ULTIMATE.start_reach_error_#t~nondet32.offset, ~pdev~0, ULTIMATE.start_module_init_#t~nondet35, ULTIMATE.start_reach_error_#t~nondet32.base, ULTIMATE.start_module_init_#t~nondet34, ULTIMATE.start_ldv_assert_#in~expression, ULTIMATE.start_ldv_assert_~expression] because there is no mapped edge [2020-10-26 00:35:33,460 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-26 00:35:33,460 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 00:35:33,462 INFO L168 Benchmark]: Toolchain (without parser) took 7539.40 ms. Allocated memory was 46.1 MB in the beginning and 125.8 MB in the end (delta: 79.7 MB). Free memory was 30.0 MB in the beginning and 89.4 MB in the end (delta: -59.5 MB). Peak memory consumption was 20.3 MB. Max. memory is 16.1 GB. [2020-10-26 00:35:33,462 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 46.1 MB. Free memory is still 29.1 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 00:35:33,463 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1797.49 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 29.3 MB in the beginning and 25.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 29.3 MB. Max. memory is 16.1 GB. [2020-10-26 00:35:33,463 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.65 ms. Allocated memory is still 56.6 MB. Free memory was 25.8 MB in the beginning and 22.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-26 00:35:33,464 INFO L168 Benchmark]: Boogie Preprocessor took 44.67 ms. Allocated memory is still 56.6 MB. Free memory was 22.6 MB in the beginning and 20.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 00:35:33,467 INFO L168 Benchmark]: RCFGBuilder took 780.86 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 20.5 MB in the beginning and 33.4 MB in the end (delta: -12.9 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. [2020-10-26 00:35:33,471 INFO L168 Benchmark]: TraceAbstraction took 4721.42 ms. Allocated memory was 69.2 MB in the beginning and 125.8 MB in the end (delta: 56.6 MB). Free memory was 32.9 MB in the beginning and 92.6 MB in the end (delta: -59.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 00:35:33,472 INFO L168 Benchmark]: Witness Printer took 89.38 ms. Allocated memory is still 125.8 MB. Free memory was 92.6 MB in the beginning and 89.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-26 00:35:33,481 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 46.1 MB. Free memory is still 29.1 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1797.49 ms. Allocated memory was 46.1 MB in the beginning and 56.6 MB in the end (delta: 10.5 MB). Free memory was 29.3 MB in the beginning and 25.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 29.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 93.65 ms. Allocated memory is still 56.6 MB. Free memory was 25.8 MB in the beginning and 22.6 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 44.67 ms. Allocated memory is still 56.6 MB. Free memory was 22.6 MB in the beginning and 20.5 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 780.86 ms. Allocated memory was 56.6 MB in the beginning and 69.2 MB in the end (delta: 12.6 MB). Free memory was 20.5 MB in the beginning and 33.4 MB in the end (delta: -12.9 MB). Peak memory consumption was 12.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4721.42 ms. Allocated memory was 69.2 MB in the beginning and 125.8 MB in the end (delta: 56.6 MB). Free memory was 32.9 MB in the beginning and 92.6 MB in the end (delta: -59.7 MB). There was no memory consumed. Max. memory is 16.1 GB. * Witness Printer took 89.38 ms. Allocated memory is still 125.8 MB. Free memory was 92.6 MB in the beginning and 89.4 MB in the end (delta: 3.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 165 VarBasedMoverChecksPositive, 10 VarBasedMoverChecksNegative, 1 SemBasedMoverChecksPositive, 9 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 5 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.7s, 95 PlacesBefore, 17 PlacesAfterwards, 99 TransitionsBefore, 15 TransitionsAfterwards, 238 CoEnabledTransitionPairs, 7 FixpointIterations, 84 TrivialSequentialCompositions, 18 ConcurrentSequentialCompositions, 14 TrivialYvCompositions, 5 ConcurrentYvCompositions, 6 ChoiceCompositions, 127 TotalNumberOfCompositions, 272 MoverChecksTotal - CounterExampleResult [Line: 1693]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L1696] 0 pthread_t t1; [L1697] 0 pthread_mutex_t mutex; [L1698] 0 int pdev; [L1711] COND TRUE 0 __VERIFIER_nondet_int() [L1712] FCALL, FORK 0 pthread_create(&t1, ((void *)0), thread1, ((void *)0)) VAL [arg={0:0}, mutex={3:0}, pdev=1, t1={7:0}] [L1714] 0 pdev = 2 VAL [arg={0:0}, mutex={3:0}, pdev=2, t1={7:0}] [L1702] 1 pdev = 6 [L1705] 1 return 0; [L1695] COND TRUE 0 !expression [L1693] COND FALSE 0 !(0) [L1693] 0 __assert_fail ("0", "race-1_2-join.c", 10, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, arg={0:0}, arg={0:0}, mutex={3:0}, pdev=6, t1={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 92 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.5s, OverallIterations: 3, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.8s, HoareTripleCheckerStatistics: 17 SDtfs, 0 SDslu, 1 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=21occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 3 ConstructedInterpolants, 0 QuantifiedInterpolants, 15 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...