./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_57-singlethreaded-unlock_true.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_57-singlethreaded-unlock_true.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 11951524cd85112f2fd2ba609f320369af87d9ba4a63c5effcd0e29d07efd1ae --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 15:11:12,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 15:11:12,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 15:11:12,455 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 15:11:12,456 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 15:11:12,459 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 15:11:12,460 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 15:11:12,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 15:11:12,464 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 15:11:12,468 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 15:11:12,469 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 15:11:12,470 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 15:11:12,470 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 15:11:12,472 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 15:11:12,473 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 15:11:12,476 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 15:11:12,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 15:11:12,477 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 15:11:12,479 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 15:11:12,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 15:11:12,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 15:11:12,486 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 15:11:12,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 15:11:12,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 15:11:12,494 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 15:11:12,494 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 15:11:12,495 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 15:11:12,496 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 15:11:12,497 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 15:11:12,497 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 15:11:12,498 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 15:11:12,498 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 15:11:12,500 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 15:11:12,501 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 15:11:12,502 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 15:11:12,502 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 15:11:12,503 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 15:11:12,503 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 15:11:12,503 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 15:11:12,504 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 15:11:12,504 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 15:11:12,506 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 15:11:12,536 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 15:11:12,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 15:11:12,536 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 15:11:12,537 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 15:11:12,537 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 15:11:12,538 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 15:11:12,538 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 15:11:12,538 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 15:11:12,538 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 15:11:12,539 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 15:11:12,539 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 15:11:12,540 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 15:11:12,540 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 15:11:12,540 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 15:11:12,540 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 15:11:12,540 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 15:11:12,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 15:11:12,541 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 15:11:12,541 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 15:11:12,541 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 15:11:12,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 15:11:12,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 15:11:12,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 15:11:12,542 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 15:11:12,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:11:12,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 15:11:12,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 15:11:12,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 15:11:12,542 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 15:11:12,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 15:11:12,543 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 15:11:12,543 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 15:11:12,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 15:11:12,543 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 15:11:12,544 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11951524cd85112f2fd2ba609f320369af87d9ba4a63c5effcd0e29d07efd1ae [2021-12-21 15:11:12,776 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 15:11:12,793 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 15:11:12,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 15:11:12,796 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 15:11:12,796 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 15:11:12,797 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i [2021-12-21 15:11:12,867 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b594d9299/3fabf76aab0745e5829e630f57eb25c0/FLAG015247d4d [2021-12-21 15:11:13,301 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 15:11:13,302 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_57-singlethreaded-unlock_true.i [2021-12-21 15:11:13,312 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b594d9299/3fabf76aab0745e5829e630f57eb25c0/FLAG015247d4d [2021-12-21 15:11:13,670 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b594d9299/3fabf76aab0745e5829e630f57eb25c0 [2021-12-21 15:11:13,673 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 15:11:13,675 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 15:11:13,678 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 15:11:13,678 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 15:11:13,681 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 15:11:13,681 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:11:13" (1/1) ... [2021-12-21 15:11:13,682 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7828a347 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:11:13, skipping insertion in model container [2021-12-21 15:11:13,682 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:11:13" (1/1) ... [2021-12-21 15:11:13,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 15:11:13,731 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 15:11:13,886 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_57-singlethreaded-unlock_true.i[1098,1111] [2021-12-21 15:11:14,048 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:11:14,060 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 15:11:14,073 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_57-singlethreaded-unlock_true.i[1098,1111] [2021-12-21 15:11:14,102 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:11:14,138 INFO L208 MainTranslator]: Completed translation [2021-12-21 15:11:14,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:11:14 WrapperNode [2021-12-21 15:11:14,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 15:11:14,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 15:11:14,140 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 15:11:14,141 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 15:11:14,146 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:11:14" (1/1) ... [2021-12-21 15:11:14,173 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:11:14" (1/1) ... [2021-12-21 15:11:14,193 INFO L137 Inliner]: procedures = 162, calls = 19, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2021-12-21 15:11:14,193 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 15:11:14,194 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 15:11:14,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 15:11:14,195 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 15:11:14,201 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:11:14" (1/1) ... [2021-12-21 15:11:14,201 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:11:14" (1/1) ... [2021-12-21 15:11:14,207 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:11:14" (1/1) ... [2021-12-21 15:11:14,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:11:14" (1/1) ... [2021-12-21 15:11:14,220 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:11:14" (1/1) ... [2021-12-21 15:11:14,222 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:11:14" (1/1) ... [2021-12-21 15:11:14,227 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:11:14" (1/1) ... [2021-12-21 15:11:14,229 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 15:11:14,234 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 15:11:14,234 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 15:11:14,234 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 15:11:14,235 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:11:14" (1/1) ... [2021-12-21 15:11:14,241 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:11:14,251 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:11:14,264 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 15:11:14,284 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 15:11:14,308 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 15:11:14,308 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-21 15:11:14,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 15:11:14,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 15:11:14,308 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-12-21 15:11:14,309 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-12-21 15:11:14,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 15:11:14,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 15:11:14,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 15:11:14,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 15:11:14,310 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 15:11:14,389 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 15:11:14,390 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 15:11:14,517 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 15:11:14,528 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 15:11:14,528 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 15:11:14,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:11:14 BoogieIcfgContainer [2021-12-21 15:11:14,531 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 15:11:14,533 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 15:11:14,533 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 15:11:14,544 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 15:11:14,545 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 03:11:13" (1/3) ... [2021-12-21 15:11:14,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56a9a7c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:11:14, skipping insertion in model container [2021-12-21 15:11:14,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:11:14" (2/3) ... [2021-12-21 15:11:14,546 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56a9a7c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:11:14, skipping insertion in model container [2021-12-21 15:11:14,546 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:11:14" (3/3) ... [2021-12-21 15:11:14,548 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_57-singlethreaded-unlock_true.i [2021-12-21 15:11:14,552 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-21 15:11:14,553 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 15:11:14,553 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 15:11:14,553 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-21 15:11:14,591 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:14,592 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:14,592 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:14,592 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:14,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:14,594 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:14,594 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:14,595 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:14,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:14,595 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:14,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:14,598 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:14,601 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:14,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:14,605 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:14,605 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:14,607 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-12-21 15:11:14,659 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 15:11:14,674 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 15:11:14,675 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-12-21 15:11:14,686 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 55 places, 52 transitions, 109 flow [2021-12-21 15:11:14,732 INFO L129 PetriNetUnfolder]: 1/51 cut-off events. [2021-12-21 15:11:14,732 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-21 15:11:14,735 INFO L84 FinitePrefix]: Finished finitePrefix Result has 55 conditions, 51 events. 1/51 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 13 event pairs, 0 based on Foata normal form. 0/49 useless extension candidates. Maximal degree in co-relation 21. Up to 2 conditions per place. [2021-12-21 15:11:14,735 INFO L82 GeneralOperation]: Start removeDead. Operand has 55 places, 52 transitions, 109 flow [2021-12-21 15:11:14,740 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 45 places, 41 transitions, 85 flow [2021-12-21 15:11:14,759 INFO L129 PetriNetUnfolder]: 0/40 cut-off events. [2021-12-21 15:11:14,759 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-12-21 15:11:14,759 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:11:14,760 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] [2021-12-21 15:11:14,760 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-12-21 15:11:14,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:11:14,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1423660426, now seen corresponding path program 1 times [2021-12-21 15:11:14,772 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:11:14,773 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420547891] [2021-12-21 15:11:14,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:11:14,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:11:14,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-21 15:11:15,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-21 15:11:15,087 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-21 15:11:15,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420547891] [2021-12-21 15:11:15,088 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [420547891] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-21 15:11:15,088 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-21 15:11:15,088 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-21 15:11:15,089 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470498557] [2021-12-21 15:11:15,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-21 15:11:15,097 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-21 15:11:15,097 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-21 15:11:15,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-21 15:11:15,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-21 15:11:15,131 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 41 out of 52 [2021-12-21 15:11:15,135 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 41 transitions, 85 flow. Second operand has 5 states, 5 states have (on average 42.6) internal successors, (213), 5 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:11:15,135 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-12-21 15:11:15,135 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 41 of 52 [2021-12-21 15:11:15,136 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-12-21 15:11:15,185 INFO L129 PetriNetUnfolder]: 0/39 cut-off events. [2021-12-21 15:11:15,185 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-21 15:11:15,186 INFO L84 FinitePrefix]: Finished finitePrefix Result has 51 conditions, 39 events. 0/39 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 6 event pairs, 0 based on Foata normal form. 1/40 useless extension candidates. Maximal degree in co-relation 0. Up to 3 conditions per place. [2021-12-21 15:11:15,187 INFO L132 encePairwiseOnDemand]: 48/52 looper letters, 0 selfloop transitions, 0 changer transitions 39/39 dead transitions. [2021-12-21 15:11:15,187 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 47 places, 39 transitions, 95 flow [2021-12-21 15:11:15,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-21 15:11:15,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-12-21 15:11:15,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 213 transitions. [2021-12-21 15:11:15,200 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8192307692307692 [2021-12-21 15:11:15,200 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 213 transitions. [2021-12-21 15:11:15,201 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 213 transitions. [2021-12-21 15:11:15,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-21 15:11:15,206 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 213 transitions. [2021-12-21 15:11:15,212 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 42.6) internal successors, (213), 5 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:11:15,220 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 52.0) internal successors, (312), 6 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:11:15,221 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 52.0) internal successors, (312), 6 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:11:15,222 INFO L186 Difference]: Start difference. First operand has 45 places, 41 transitions, 85 flow. Second operand 5 states and 213 transitions. [2021-12-21 15:11:15,223 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 47 places, 39 transitions, 95 flow [2021-12-21 15:11:15,226 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 39 transitions, 94 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-12-21 15:11:15,227 INFO L242 Difference]: Finished difference. Result has 46 places, 0 transitions, 0 flow [2021-12-21 15:11:15,229 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=52, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=46, PETRI_TRANSITIONS=0} [2021-12-21 15:11:15,232 INFO L334 CegarLoopForPetriNet]: 45 programPoint places, 1 predicate places. [2021-12-21 15:11:15,232 INFO L470 AbstractCegarLoop]: Abstraction has has 46 places, 0 transitions, 0 flow [2021-12-21 15:11:15,233 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 42.6) internal successors, (213), 5 states have internal predecessors, (213), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-21 15:11:15,235 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2021-12-21 15:11:15,235 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2021-12-21 15:11:15,235 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 15:11:15,239 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-12-21 15:11:15,240 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-12-21 15:11:15,240 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 15:11:15,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 03:11:15 BasicIcfg [2021-12-21 15:11:15,244 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 15:11:15,244 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 15:11:15,245 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 15:11:15,245 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 15:11:15,246 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:11:14" (3/4) ... [2021-12-21 15:11:15,248 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-12-21 15:11:15,253 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2021-12-21 15:11:15,256 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2021-12-21 15:11:15,256 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-12-21 15:11:15,256 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-12-21 15:11:15,257 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-12-21 15:11:15,290 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 15:11:15,293 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 15:11:15,294 INFO L158 Benchmark]: Toolchain (without parser) took 1618.02ms. Allocated memory is still 104.9MB. Free memory was 66.7MB in the beginning and 60.9MB in the end (delta: 5.8MB). Peak memory consumption was 4.7MB. Max. memory is 16.1GB. [2021-12-21 15:11:15,294 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 15:11:15,295 INFO L158 Benchmark]: CACSL2BoogieTranslator took 461.83ms. Allocated memory is still 104.9MB. Free memory was 66.5MB in the beginning and 71.2MB in the end (delta: -4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-21 15:11:15,301 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.00ms. Allocated memory is still 104.9MB. Free memory was 71.2MB in the beginning and 69.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 15:11:15,301 INFO L158 Benchmark]: Boogie Preprocessor took 38.79ms. Allocated memory is still 104.9MB. Free memory was 69.2MB in the beginning and 68.2MB in the end (delta: 964.7kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 15:11:15,302 INFO L158 Benchmark]: RCFGBuilder took 297.04ms. Allocated memory is still 104.9MB. Free memory was 67.9MB in the beginning and 57.8MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-21 15:11:15,302 INFO L158 Benchmark]: TraceAbstraction took 710.81ms. Allocated memory is still 104.9MB. Free memory was 57.1MB in the beginning and 63.6MB in the end (delta: -6.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 15:11:15,302 INFO L158 Benchmark]: Witness Printer took 48.18ms. Allocated memory is still 104.9MB. Free memory was 63.6MB in the beginning and 60.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 15:11:15,304 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 84.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 461.83ms. Allocated memory is still 104.9MB. Free memory was 66.5MB in the beginning and 71.2MB in the end (delta: -4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.00ms. Allocated memory is still 104.9MB. Free memory was 71.2MB in the beginning and 69.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.79ms. Allocated memory is still 104.9MB. Free memory was 69.2MB in the beginning and 68.2MB in the end (delta: 964.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 297.04ms. Allocated memory is still 104.9MB. Free memory was 67.9MB in the beginning and 57.8MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 710.81ms. Allocated memory is still 104.9MB. Free memory was 57.1MB in the beginning and 63.6MB in the end (delta: -6.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 48.18ms. Allocated memory is still 104.9MB. Free memory was 63.6MB in the beginning and 60.9MB in the end (delta: 2.6MB). 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 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 57 locations, 2 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: 0.6s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9 IncrementalHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 4 mSDtfsCounter, 9 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=85occurred in iteration=0, InterpolantAutomatonStates: 5, 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, 0.1s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 37 ConstructedInterpolants, 0 QuantifiedInterpolants, 64 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-12-21 15:11:15,335 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 Result: TRUE