./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version ff03de63 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/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.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 672adc4cc5a37e070cc95d046193d9ccd4d73b39f78c06c79ee40c1584c27afa --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 15:10:47,305 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 15:10:47,331 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 15:10:47,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 15:10:47,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 15:10:47,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 15:10:47,380 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 15:10:47,394 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 15:10:47,396 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 15:10:47,400 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 15:10:47,401 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 15:10:47,402 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 15:10:47,402 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 15:10:47,404 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 15:10:47,405 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 15:10:47,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 15:10:47,419 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 15:10:47,419 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 15:10:47,421 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 15:10:47,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 15:10:47,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 15:10:47,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 15:10:47,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 15:10:47,426 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 15:10:47,428 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 15:10:47,428 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 15:10:47,428 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 15:10:47,429 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 15:10:47,429 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 15:10:47,430 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 15:10:47,430 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 15:10:47,431 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 15:10:47,431 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 15:10:47,432 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 15:10:47,433 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 15:10:47,433 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 15:10:47,433 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 15:10:47,434 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 15:10:47,434 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 15:10:47,435 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 15:10:47,435 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 15:10:47,436 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 15:10:47,453 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 15:10:47,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 15:10:47,454 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 15:10:47,454 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 15:10:47,454 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 15:10:47,455 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 15:10:47,455 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 15:10:47,455 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 15:10:47,456 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 15:10:47,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 15:10:47,456 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 15:10:47,456 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 15:10:47,457 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 15:10:47,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 15:10:47,457 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 15:10:47,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 15:10:47,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 15:10:47,458 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 15:10:47,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 15:10:47,458 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 15:10:47,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 15:10:47,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 15:10:47,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 15:10:47,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 15:10:47,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:10:47,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 15:10:47,459 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 15:10:47,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 15:10:47,460 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 15:10:47,460 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 15:10:47,460 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 15:10:47,460 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 15:10:47,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 15:10:47,461 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 15:10:47,461 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 672adc4cc5a37e070cc95d046193d9ccd4d73b39f78c06c79ee40c1584c27afa [2021-12-21 15:10:47,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 15:10:47,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 15:10:47,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 15:10:47,753 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 15:10:47,754 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 15:10:47,755 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i [2021-12-21 15:10:47,821 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c5bc2f31/76a29e3da9374cb7be470f1373a15b5b/FLAGfb4584558 [2021-12-21 15:10:48,282 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 15:10:48,283 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i [2021-12-21 15:10:48,294 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c5bc2f31/76a29e3da9374cb7be470f1373a15b5b/FLAGfb4584558 [2021-12-21 15:10:48,614 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6c5bc2f31/76a29e3da9374cb7be470f1373a15b5b [2021-12-21 15:10:48,620 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 15:10:48,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 15:10:48,626 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 15:10:48,626 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 15:10:48,629 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 15:10:48,630 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:10:48" (1/1) ... [2021-12-21 15:10:48,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d518587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:10:48, skipping insertion in model container [2021-12-21 15:10:48,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:10:48" (1/1) ... [2021-12-21 15:10:48,638 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 15:10:48,687 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 15:10:48,853 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i[1097,1110] [2021-12-21 15:10:49,012 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:10:49,025 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 15:10:49,037 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i[1097,1110] [2021-12-21 15:10:49,074 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:10:49,117 INFO L208 MainTranslator]: Completed translation [2021-12-21 15:10:49,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:10:49 WrapperNode [2021-12-21 15:10:49,118 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 15:10:49,119 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 15:10:49,120 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 15:10:49,120 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 15:10:49,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:10:49" (1/1) ... [2021-12-21 15:10:49,153 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:10:49" (1/1) ... [2021-12-21 15:10:49,174 INFO L137 Inliner]: procedures = 163, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2021-12-21 15:10:49,174 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 15:10:49,175 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 15:10:49,175 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 15:10:49,175 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 15:10:49,183 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:10:49" (1/1) ... [2021-12-21 15:10:49,183 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:10:49" (1/1) ... [2021-12-21 15:10:49,188 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:10:49" (1/1) ... [2021-12-21 15:10:49,188 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:10:49" (1/1) ... [2021-12-21 15:10:49,192 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:10:49" (1/1) ... [2021-12-21 15:10:49,193 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:10:49" (1/1) ... [2021-12-21 15:10:49,194 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:10:49" (1/1) ... [2021-12-21 15:10:49,196 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 15:10:49,197 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 15:10:49,198 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 15:10:49,198 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 15:10:49,199 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:10:49" (1/1) ... [2021-12-21 15:10:49,206 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:10:49,216 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:10:49,226 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-21 15:10:49,228 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-21 15:10:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 15:10:49,253 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 15:10:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-21 15:10:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 15:10:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 15:10:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-12-21 15:10:49,254 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-12-21 15:10:49,254 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 15:10:49,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 15:10:49,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 15:10:49,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 15:10:49,258 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-12-21 15:10:49,403 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 15:10:49,405 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 15:10:49,549 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 15:10:49,556 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 15:10:49,556 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 15:10:49,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:10:49 BoogieIcfgContainer [2021-12-21 15:10:49,573 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 15:10:49,574 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 15:10:49,575 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 15:10:49,578 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 15:10:49,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 03:10:48" (1/3) ... [2021-12-21 15:10:49,578 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@594608b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:10:49, skipping insertion in model container [2021-12-21 15:10:49,578 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:10:49" (2/3) ... [2021-12-21 15:10:49,579 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@594608b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:10:49, skipping insertion in model container [2021-12-21 15:10:49,579 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:10:49" (3/3) ... [2021-12-21 15:10:49,580 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_2_pos.i [2021-12-21 15:10:49,584 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-21 15:10:49,585 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 15:10:49,585 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 15:10:49,585 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-21 15:10:49,643 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,643 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,643 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,644 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,644 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,644 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,644 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,645 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,645 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,646 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,646 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,646 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,647 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,647 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,647 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,647 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,648 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,648 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,648 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,649 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,649 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,649 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,649 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,650 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,650 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,650 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,650 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,651 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,651 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,651 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,651 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,652 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,652 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,652 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,652 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,652 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,653 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,653 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,653 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,653 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,663 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,663 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,664 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,664 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,671 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,672 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,672 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,672 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,672 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~t~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,673 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,673 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,674 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,674 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet2#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:10:49,681 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-12-21 15:10:49,729 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 15:10:49,743 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-21 15:10:49,743 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-12-21 15:10:49,755 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 64 transitions, 136 flow [2021-12-21 15:10:49,815 INFO L129 PetriNetUnfolder]: 2/63 cut-off events. [2021-12-21 15:10:49,816 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-21 15:10:49,835 INFO L84 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 63 events. 2/63 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2021-12-21 15:10:49,835 INFO L82 GeneralOperation]: Start removeDead. Operand has 66 places, 64 transitions, 136 flow [2021-12-21 15:10:49,841 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 50 places, 47 transitions, 97 flow [2021-12-21 15:10:49,860 INFO L129 PetriNetUnfolder]: 1/46 cut-off events. [2021-12-21 15:10:49,862 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-21 15:10:49,863 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:10:49,864 INFO L254 CegarLoopForPetriNet]: 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] [2021-12-21 15:10:49,865 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:10:49,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:10:49,870 INFO L85 PathProgramCache]: Analyzing trace with hash -392670942, now seen corresponding path program 1 times [2021-12-21 15:10:49,878 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:10:49,879 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439772961] [2021-12-21 15:10:49,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:10:49,880 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:10:50,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 15:10:50,028 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 15:10:50,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 15:10:50,091 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 15:10:50,093 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-21 15:10:50,094 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-12-21 15:10:50,097 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (1 of 3 remaining) [2021-12-21 15:10:50,098 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-12-21 15:10:50,099 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 15:10:50,103 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-12-21 15:10:50,113 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-12-21 15:10:50,114 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 15:10:50,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 03:10:50 BasicIcfg [2021-12-21 15:10:50,147 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 15:10:50,147 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 15:10:50,147 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 15:10:50,148 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 15:10:50,149 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:10:49" (3/4) ... [2021-12-21 15:10:50,150 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-12-21 15:10:50,185 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 15:10:50,186 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 15:10:50,187 INFO L158 Benchmark]: Toolchain (without parser) took 1564.56ms. Allocated memory is still 96.5MB. Free memory was 63.4MB in the beginning and 55.9MB in the end (delta: 7.5MB). Peak memory consumption was 8.0MB. Max. memory is 16.1GB. [2021-12-21 15:10:50,190 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 77.6MB. Free memory was 48.4MB in the beginning and 48.3MB in the end (delta: 19.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 15:10:50,192 INFO L158 Benchmark]: CACSL2BoogieTranslator took 493.06ms. Allocated memory is still 96.5MB. Free memory was 62.8MB in the beginning and 62.9MB in the end (delta: -71.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 15:10:50,193 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.09ms. Allocated memory is still 96.5MB. Free memory was 62.9MB in the beginning and 60.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 15:10:50,193 INFO L158 Benchmark]: Boogie Preprocessor took 21.58ms. Allocated memory is still 96.5MB. Free memory was 60.8MB in the beginning and 59.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 15:10:50,193 INFO L158 Benchmark]: RCFGBuilder took 375.94ms. Allocated memory is still 96.5MB. Free memory was 59.7MB in the beginning and 48.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-12-21 15:10:50,194 INFO L158 Benchmark]: TraceAbstraction took 572.31ms. Allocated memory is still 96.5MB. Free memory was 48.2MB in the beginning and 59.4MB in the end (delta: -11.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 15:10:50,195 INFO L158 Benchmark]: Witness Printer took 38.63ms. Allocated memory is still 96.5MB. Free memory was 59.4MB in the beginning and 55.9MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 15:10:50,199 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 77.6MB. Free memory was 48.4MB in the beginning and 48.3MB in the end (delta: 19.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 493.06ms. Allocated memory is still 96.5MB. Free memory was 62.8MB in the beginning and 62.9MB in the end (delta: -71.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.09ms. Allocated memory is still 96.5MB. Free memory was 62.9MB in the beginning and 60.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.58ms. Allocated memory is still 96.5MB. Free memory was 60.8MB in the beginning and 59.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 375.94ms. Allocated memory is still 96.5MB. Free memory was 59.7MB in the beginning and 48.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 572.31ms. Allocated memory is still 96.5MB. Free memory was 48.2MB in the beginning and 59.4MB in the end (delta: -11.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 38.63ms. Allocated memory is still 96.5MB. Free memory was 59.4MB in the beginning and 55.9MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L682] 0 int glob1 = 0; VAL [glob1=0] [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}] [L697] 0 pthread_t id; VAL [glob1=0, id={5:0}, mutex1={3:0}] [L698] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [glob1=0, id={5:0}, mutex1={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L685] 1 int t = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L687] COND FALSE 1 !(t == 42) VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L690] 1 t = glob1 VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L691] CALL 1 __VERIFIER_assert(t == 1) [L19] COND TRUE 1 !(cond) VAL [\old(cond)=0, cond=0, glob1=0, mutex1={3:0}] [L19] 1 reach_error() VAL [\old(cond)=0, cond=0, glob1=0, mutex1={3:0}] - UnprovableResult [Line: 698]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 87 locations, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=97occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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! [2021-12-21 15:10:50,238 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE