./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.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_67-pthread_cond_wait_unknown_1_neg.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 78eedbb170ccb94e306b53f35c5dd71f86d003c1abe4d157fc2c720e38b8df88 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-ff03de6 [2021-12-21 15:11:13,040 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-21 15:11:13,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-21 15:11:13,085 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-21 15:11:13,085 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-21 15:11:13,088 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-21 15:11:13,089 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-21 15:11:13,091 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-21 15:11:13,092 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-21 15:11:13,095 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-21 15:11:13,096 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-21 15:11:13,097 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-21 15:11:13,097 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-21 15:11:13,099 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-21 15:11:13,100 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-21 15:11:13,101 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-21 15:11:13,102 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-21 15:11:13,102 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-21 15:11:13,105 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-21 15:11:13,109 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-21 15:11:13,109 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-21 15:11:13,110 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-21 15:11:13,111 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-21 15:11:13,112 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-21 15:11:13,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-21 15:11:13,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-21 15:11:13,117 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-21 15:11:13,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-21 15:11:13,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-21 15:11:13,118 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-21 15:11:13,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-21 15:11:13,120 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-21 15:11:13,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-21 15:11:13,121 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-21 15:11:13,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-21 15:11:13,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-21 15:11:13,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-21 15:11:13,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-21 15:11:13,124 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-21 15:11:13,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-21 15:11:13,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-21 15:11:13,125 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-12-21 15:11:13,153 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-21 15:11:13,153 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-21 15:11:13,153 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-21 15:11:13,153 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-21 15:11:13,154 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-21 15:11:13,154 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-21 15:11:13,155 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-21 15:11:13,155 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-21 15:11:13,155 INFO L138 SettingsManager]: * Use SBE=true [2021-12-21 15:11:13,155 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-21 15:11:13,156 INFO L138 SettingsManager]: * sizeof long=4 [2021-12-21 15:11:13,156 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-21 15:11:13,156 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-12-21 15:11:13,156 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-21 15:11:13,156 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-21 15:11:13,156 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-21 15:11:13,157 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-21 15:11:13,157 INFO L138 SettingsManager]: * sizeof long double=12 [2021-12-21 15:11:13,157 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-21 15:11:13,157 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-21 15:11:13,157 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-21 15:11:13,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-21 15:11:13,157 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-21 15:11:13,158 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-21 15:11:13,158 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:11:13,158 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-21 15:11:13,158 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-21 15:11:13,158 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-21 15:11:13,158 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-21 15:11:13,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-21 15:11:13,159 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-21 15:11:13,159 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-21 15:11:13,159 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-21 15:11:13,159 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-21 15:11:13,159 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78eedbb170ccb94e306b53f35c5dd71f86d003c1abe4d157fc2c720e38b8df88 [2021-12-21 15:11:13,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-21 15:11:13,381 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-21 15:11:13,383 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-21 15:11:13,384 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-21 15:11:13,385 INFO L275 PluginConnector]: CDTParser initialized [2021-12-21 15:11:13,385 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2021-12-21 15:11:13,441 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83138cb2e/41b0ad56717c4f918872f0317df6e5e5/FLAG4fb3d4323 [2021-12-21 15:11:13,994 INFO L306 CDTParser]: Found 1 translation units. [2021-12-21 15:11:13,995 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2021-12-21 15:11:14,020 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83138cb2e/41b0ad56717c4f918872f0317df6e5e5/FLAG4fb3d4323 [2021-12-21 15:11:14,433 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83138cb2e/41b0ad56717c4f918872f0317df6e5e5 [2021-12-21 15:11:14,435 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-21 15:11:14,437 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-21 15:11:14,438 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-21 15:11:14,438 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-21 15:11:14,441 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-21 15:11:14,442 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:11:14" (1/1) ... [2021-12-21 15:11:14,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ca8e725 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:11:14, skipping insertion in model container [2021-12-21 15:11:14,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.12 03:11:14" (1/1) ... [2021-12-21 15:11:14,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-21 15:11:14,501 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-21 15:11:14,660 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_67-pthread_cond_wait_unknown_1_neg.i[1103,1116] [2021-12-21 15:11:14,879 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:11:14,892 INFO L203 MainTranslator]: Completed pre-run [2021-12-21 15:11:14,902 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_67-pthread_cond_wait_unknown_1_neg.i[1103,1116] [2021-12-21 15:11:14,928 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-21 15:11:14,979 INFO L208 MainTranslator]: Completed translation [2021-12-21 15:11:14,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.12 03:11:14 WrapperNode [2021-12-21 15:11:14,979 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-21 15:11:14,980 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-21 15:11:14,980 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-21 15:11:14,981 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-21 15:11:14,985 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 15:11:15,017 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 15:11:15,037 INFO L137 Inliner]: procedures = 354, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2021-12-21 15:11:15,037 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-21 15:11:15,038 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-21 15:11:15,038 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-21 15:11:15,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-21 15:11:15,043 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 15:11:15,043 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 15:11:15,053 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 15:11:15,054 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 15:11:15,067 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 15:11:15,073 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 15:11:15,076 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 15:11:15,080 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-21 15:11:15,081 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-21 15:11:15,081 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-21 15:11:15,081 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-21 15:11:15,082 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 15:11:15,088 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-21 15:11:15,100 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-21 15:11:15,121 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 15:11:15,129 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 15:11:15,156 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2021-12-21 15:11:15,156 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2021-12-21 15:11:15,156 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2021-12-21 15:11:15,156 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2021-12-21 15:11:15,156 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2021-12-21 15:11:15,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-21 15:11:15,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-21 15:11:15,157 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-21 15:11:15,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-21 15:11:15,157 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-12-21 15:11:15,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-21 15:11:15,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-21 15:11:15,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-21 15:11:15,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-21 15:11:15,159 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 15:11:15,410 INFO L234 CfgBuilder]: Building ICFG [2021-12-21 15:11:15,411 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-21 15:11:15,613 INFO L275 CfgBuilder]: Performing block encoding [2021-12-21 15:11:15,618 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-21 15:11:15,619 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-21 15:11:15,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:11:15 BoogieIcfgContainer [2021-12-21 15:11:15,621 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-21 15:11:15,622 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-21 15:11:15,623 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-21 15:11:15,625 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-21 15:11:15,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.12 03:11:14" (1/3) ... [2021-12-21 15:11:15,626 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a37776b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:11:15, skipping insertion in model container [2021-12-21 15:11:15,627 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 15:11:15,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a37776b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.12 03:11:15, skipping insertion in model container [2021-12-21 15:11:15,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:11:15" (3/3) ... [2021-12-21 15:11:15,628 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2021-12-21 15:11:15,635 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-12-21 15:11:15,635 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-21 15:11:15,635 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-21 15:11:15,635 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-12-21 15:11:15,685 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,685 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,685 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork1_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,685 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork1_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,686 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,686 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#in~ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,686 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork1_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,686 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork1_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,687 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,688 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,688 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,688 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,688 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,688 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,689 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,689 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,689 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,689 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,690 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,690 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,690 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,690 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,692 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,692 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,692 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,692 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,693 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,693 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#in~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,693 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,693 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,693 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,694 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,694 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,694 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,695 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,695 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,695 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,695 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,695 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,695 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,696 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,696 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,696 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,696 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,696 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,697 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,697 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,697 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,697 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,697 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,704 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,705 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,705 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_~ptr#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,705 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0___VERIFIER_assert_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,705 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_~ptr#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,705 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,706 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork0_#t~nondet7#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,708 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,709 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,709 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,709 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork1_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,710 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,710 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork1_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,710 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork1_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-12-21 15:11:15,715 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-12-21 15:11:15,749 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-21 15:11:15,753 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 15:11:15,754 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-12-21 15:11:15,761 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 101 places, 95 transitions, 206 flow [2021-12-21 15:11:15,795 INFO L129 PetriNetUnfolder]: 1/93 cut-off events. [2021-12-21 15:11:15,799 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-12-21 15:11:15,802 INFO L84 FinitePrefix]: Finished finitePrefix Result has 102 conditions, 93 events. 1/93 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 57 event pairs, 0 based on Foata normal form. 0/91 useless extension candidates. Maximal degree in co-relation 42. Up to 2 conditions per place. [2021-12-21 15:11:15,802 INFO L82 GeneralOperation]: Start removeDead. Operand has 101 places, 95 transitions, 206 flow [2021-12-21 15:11:15,805 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 82 places, 75 transitions, 159 flow [2021-12-21 15:11:15,825 INFO L129 PetriNetUnfolder]: 0/71 cut-off events. [2021-12-21 15:11:15,830 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-12-21 15:11:15,831 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-12-21 15:11:15,831 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-21 15:11:15,832 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, f2Err0ASSERT_VIOLATIONERROR_FUNCTION, f2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-21 15:11:15,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-21 15:11:15,836 INFO L85 PathProgramCache]: Analyzing trace with hash -1499020934, now seen corresponding path program 1 times [2021-12-21 15:11:15,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-21 15:11:15,843 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2058266435] [2021-12-21 15:11:15,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-21 15:11:15,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-21 15:11:16,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 15:11:16,045 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-21 15:11:16,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-21 15:11:16,111 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-21 15:11:16,112 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-21 15:11:16,117 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (3 of 4 remaining) [2021-12-21 15:11:16,118 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (2 of 4 remaining) [2021-12-21 15:11:16,119 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION (1 of 4 remaining) [2021-12-21 15:11:16,119 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 4 remaining) [2021-12-21 15:11:16,119 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-21 15:11:16,123 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-12-21 15:11:16,127 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-12-21 15:11:16,127 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-21 15:11:16,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.12 03:11:16 BasicIcfg [2021-12-21 15:11:16,168 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-21 15:11:16,168 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-21 15:11:16,168 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-21 15:11:16,168 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-21 15:11:16,169 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.12 03:11:15" (3/4) ... [2021-12-21 15:11:16,170 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-12-21 15:11:16,213 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-21 15:11:16,213 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-21 15:11:16,214 INFO L158 Benchmark]: Toolchain (without parser) took 1776.99ms. Allocated memory is still 117.4MB. Free memory was 83.8MB in the beginning and 47.4MB in the end (delta: 36.4MB). Peak memory consumption was 35.6MB. Max. memory is 16.1GB. [2021-12-21 15:11:16,214 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 83.9MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 15:11:16,215 INFO L158 Benchmark]: CACSL2BoogieTranslator took 541.56ms. Allocated memory is still 117.4MB. Free memory was 83.8MB in the beginning and 66.2MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2021-12-21 15:11:16,216 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.92ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 63.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-21 15:11:16,216 INFO L158 Benchmark]: Boogie Preprocessor took 42.53ms. Allocated memory is still 117.4MB. Free memory was 63.3MB in the beginning and 60.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-21 15:11:16,217 INFO L158 Benchmark]: RCFGBuilder took 540.53ms. Allocated memory is still 117.4MB. Free memory was 60.6MB in the beginning and 44.5MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-12-21 15:11:16,218 INFO L158 Benchmark]: TraceAbstraction took 545.29ms. Allocated memory is still 117.4MB. Free memory was 43.8MB in the beginning and 53.7MB in the end (delta: -9.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-21 15:11:16,218 INFO L158 Benchmark]: Witness Printer took 44.89ms. Allocated memory is still 117.4MB. Free memory was 53.7MB in the beginning and 47.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-12-21 15:11:16,222 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 83.9MB. Free memory is still 40.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 541.56ms. Allocated memory is still 117.4MB. Free memory was 83.8MB in the beginning and 66.2MB in the end (delta: 17.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.92ms. Allocated memory is still 117.4MB. Free memory was 66.2MB in the beginning and 63.3MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.53ms. Allocated memory is still 117.4MB. Free memory was 63.3MB in the beginning and 60.6MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 540.53ms. Allocated memory is still 117.4MB. Free memory was 60.6MB in the beginning and 44.5MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 545.29ms. Allocated memory is still 117.4MB. Free memory was 43.8MB in the beginning and 53.7MB in the end (delta: -9.9MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 44.89ms. Allocated memory is still 117.4MB. Free memory was 53.7MB in the beginning and 47.4MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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: [L1351] 0 int g; VAL [g=0] [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [g=0, mut={4:0}] [L1353] 0 pthread_cond_t cond = { { {0}, {0}, {0, 0}, {0, 0}, 0, 0, {0, 0} } }; VAL [cond={5:0}, g=0, mut={4:0}] [L1373] 0 pthread_t t1; VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={5:0}, g=0, mut={4:0}, t1={7:0}] [L1374] 0 pthread_t t2; VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={5:0}, g=0, mut={4:0}, t1={7:0}, t2={6:0}] [L1375] FCALL, FORK 0 pthread_create(&t1,((void *)0),f1,((void *)0)) VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={5:0}, g=0, mut={4:0}, pthread_create(&t1,((void *)0),f1,((void *)0))=-1, ptr={0:0}, t1={7:0}, t2={6:0}] [L1377] FCALL, FORK 0 pthread_create(&t2,((void *)0),f2,((void *)0)) VAL [\old(argc)=1150, argc=1150, argv={1151:1152}, argv={1151:1152}, cond={5:0}, g=0, mut={4:0}, pthread_create(&t2,((void *)0),f2,((void *)0))=0, ptr={0:0}, t1={7:0}, t2={6:0}] [L1365] CALL 2 __VERIFIER_assert(!(g == 0)) [L19] COND TRUE 2 !(cond) VAL [\old(cond)=0, cond={5:0}, cond=0, g=0, mut={4:0}, ptr={0:0}] [L19] 2 reach_error() VAL [\old(cond)=0, cond=0, cond={5:0}, g=0, mut={4:0}, ptr={0:0}] - UnprovableResult [Line: 1375]: 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. - UnprovableResult [Line: 1377]: 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 5 procedures, 127 locations, 4 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=159occurred 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, 57 NumberOfCodeBlocks, 57 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 15:11:16,264 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