./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 b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a9dd1e9-b49d-4f62-8c48-f35dc0d7828f/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a9dd1e9-b49d-4f62-8c48-f35dc0d7828f/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a9dd1e9-b49d-4f62-8c48-f35dc0d7828f/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a9dd1e9-b49d-4f62-8c48-f35dc0d7828f/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a9dd1e9-b49d-4f62-8c48-f35dc0d7828f/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a9dd1e9-b49d-4f62-8c48-f35dc0d7828f/bin/uautomizer-GMMbpWq8iD --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 886883b34a25fc9588fe5bf4d5aa3d8bf19d342750f734be9f533db49976356c ................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:29:42,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:29:42,120 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:29:42,163 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:29:42,164 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:29:42,167 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:29:42,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:29:42,175 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:29:42,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:29:42,182 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:29:42,183 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:29:42,185 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:29:42,186 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:29:42,188 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:29:42,190 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:29:42,192 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:29:42,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:29:42,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:29:42,200 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:29:42,207 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:29:42,209 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:29:42,210 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:29:42,213 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:29:42,214 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:29:42,223 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:29:42,224 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:29:42,224 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:29:42,226 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:29:42,227 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:29:42,228 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:29:42,229 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:29:42,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:29:42,231 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:29:42,232 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:29:42,234 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:29:42,234 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:29:42,235 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:29:42,235 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:29:42,235 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:29:42,236 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:29:42,237 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:29:42,238 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a9dd1e9-b49d-4f62-8c48-f35dc0d7828f/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:29:42,279 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:29:42,280 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:29:42,280 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:29:42,286 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:29:42,288 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:29:42,288 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:29:42,289 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:29:42,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:29:42,289 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:29:42,289 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:29:42,290 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:29:42,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:29:42,291 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:29:42,291 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:29:42,291 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:29:42,291 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:29:42,292 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:29:42,292 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:29:42,292 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:29:42,292 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:29:42,292 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:29:42,293 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:29:42,293 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:29:42,293 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:29:42,293 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:29:42,293 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:29:42,294 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:29:42,294 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:29:42,294 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:29:42,294 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:29:42,294 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:29:42,295 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:29:42,295 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a9dd1e9-b49d-4f62-8c48-f35dc0d7828f/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a9dd1e9-b49d-4f62-8c48-f35dc0d7828f/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 886883b34a25fc9588fe5bf4d5aa3d8bf19d342750f734be9f533db49976356c [2021-10-28 23:29:42,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:29:42,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:29:42,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:29:42,640 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:29:42,641 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:29:42,642 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a9dd1e9-b49d-4f62-8c48-f35dc0d7828f/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2021-10-28 23:29:42,720 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a9dd1e9-b49d-4f62-8c48-f35dc0d7828f/bin/uautomizer-GMMbpWq8iD/data/e0d3e529f/1c17cb71330f454cb4d28141959cf27a/FLAGc9fd9cac9 [2021-10-28 23:29:43,294 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:29:43,295 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a9dd1e9-b49d-4f62-8c48-f35dc0d7828f/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2021-10-28 23:29:43,314 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a9dd1e9-b49d-4f62-8c48-f35dc0d7828f/bin/uautomizer-GMMbpWq8iD/data/e0d3e529f/1c17cb71330f454cb4d28141959cf27a/FLAGc9fd9cac9 [2021-10-28 23:29:43,559 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a9dd1e9-b49d-4f62-8c48-f35dc0d7828f/bin/uautomizer-GMMbpWq8iD/data/e0d3e529f/1c17cb71330f454cb4d28141959cf27a [2021-10-28 23:29:43,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:29:43,563 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:29:43,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:29:43,565 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:29:43,568 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:29:43,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:29:43" (1/1) ... [2021-10-28 23:29:43,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@154324c3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:29:43, skipping insertion in model container [2021-10-28 23:29:43,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:29:43" (1/1) ... [2021-10-28 23:29:43,580 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:29:43,652 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:29:43,843 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a9dd1e9-b49d-4f62-8c48-f35dc0d7828f/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i[841,854] [2021-10-28 23:29:44,262 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:29:44,274 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:29:44,286 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a9dd1e9-b49d-4f62-8c48-f35dc0d7828f/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_unknown_1_neg.i[841,854] [2021-10-28 23:29:44,348 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:29:44,453 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:29:44,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:29:44 WrapperNode [2021-10-28 23:29:44,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:29:44,456 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:29:44,456 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:29:44,456 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:29:44,463 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:29:44" (1/1) ... [2021-10-28 23:29:44,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:29:44" (1/1) ... [2021-10-28 23:29:44,527 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:29:44,527 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:29:44,527 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:29:44,528 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:29:44,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:29:44" (1/1) ... [2021-10-28 23:29:44,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:29:44" (1/1) ... [2021-10-28 23:29:44,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:29:44" (1/1) ... [2021-10-28 23:29:44,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:29:44" (1/1) ... [2021-10-28 23:29:44,553 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:29:44" (1/1) ... [2021-10-28 23:29:44,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:29:44" (1/1) ... [2021-10-28 23:29:44,572 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:29:44" (1/1) ... [2021-10-28 23:29:44,579 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:29:44,585 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:29:44,585 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:29:44,585 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:29:44,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:29:44" (1/1) ... [2021-10-28 23:29:44,598 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:29:44,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a9dd1e9-b49d-4f62-8c48-f35dc0d7828f/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:29:44,633 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a9dd1e9-b49d-4f62-8c48-f35dc0d7828f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:29:44,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a9dd1e9-b49d-4f62-8c48-f35dc0d7828f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:29:44,670 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2021-10-28 23:29:44,670 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2021-10-28 23:29:44,670 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2021-10-28 23:29:44,670 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2021-10-28 23:29:44,670 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2021-10-28 23:29:44,670 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:29:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:29:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 23:29:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:29:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-28 23:29:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:29:44,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:29:44,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:29:44,673 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-28 23:29:45,187 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:29:45,188 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-28 23:29:45,189 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:29:45 BoogieIcfgContainer [2021-10-28 23:29:45,190 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:29:45,192 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:29:45,192 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:29:45,195 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:29:45,196 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:29:43" (1/3) ... [2021-10-28 23:29:45,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@183625fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:29:45, skipping insertion in model container [2021-10-28 23:29:45,197 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:29:44" (2/3) ... [2021-10-28 23:29:45,197 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@183625fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:29:45, skipping insertion in model container [2021-10-28 23:29:45,198 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:29:45" (3/3) ... [2021-10-28 23:29:45,199 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_unknown_1_neg.i [2021-10-28 23:29:45,204 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-28 23:29:45,204 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:29:45,205 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:29:45,205 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-28 23:29:45,234 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#in~ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,234 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#in~ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,235 WARN L313 ript$VariableManager]: TermVariabe f1Thread1of1ForFork0_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,235 WARN L313 ript$VariableManager]: TermVariabe f1Thread1of1ForFork0_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,235 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#in~ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,235 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#in~ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,236 WARN L313 ript$VariableManager]: TermVariabe f1Thread1of1ForFork0_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,236 WARN L313 ript$VariableManager]: TermVariabe f1Thread1of1ForFork0_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,236 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,236 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,237 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,237 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,237 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,238 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,238 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,238 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,239 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,239 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,239 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,239 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,240 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,240 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,241 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#in~ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,241 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#in~ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,241 WARN L313 ript$VariableManager]: TermVariabe f2Thread1of1ForFork1_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,241 WARN L313 ript$VariableManager]: TermVariabe f2Thread1of1ForFork1_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,241 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#in~ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,242 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#in~ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,246 WARN L313 ript$VariableManager]: TermVariabe f2Thread1of1ForFork1_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,246 WARN L313 ript$VariableManager]: TermVariabe f2Thread1of1ForFork1_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,246 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,247 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,248 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,248 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,249 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,249 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,249 WARN L313 ript$VariableManager]: TermVariabe f2Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,251 WARN L313 ript$VariableManager]: TermVariabe f2Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,251 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,251 WARN L313 ript$VariableManager]: TermVariabe f2Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,251 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,252 WARN L313 ript$VariableManager]: TermVariabe f2Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,252 WARN L313 ript$VariableManager]: TermVariabe f2Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,252 WARN L313 ript$VariableManager]: TermVariabe f2Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,253 WARN L313 ript$VariableManager]: TermVariabe f2Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,254 WARN L313 ript$VariableManager]: TermVariabe f2Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,254 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,254 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,255 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,255 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,259 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,262 WARN L313 ript$VariableManager]: TermVariabe f1Thread1of1ForFork0_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,262 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,263 WARN L313 ript$VariableManager]: TermVariabe f1Thread1of1ForFork0_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,263 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,263 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,264 WARN L313 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,268 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,268 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,269 WARN L313 ript$VariableManager]: TermVariabe f2Thread1of1ForFork1_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,269 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,269 WARN L313 ript$VariableManager]: TermVariabe f2Thread1of1ForFork1_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,269 WARN L313 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,269 WARN L313 ript$VariableManager]: TermVariabe f2Thread1of1ForFork1___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:29:45,284 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-10-28 23:29:45,330 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:29:45,336 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 [2021-10-28 23:29:45,336 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-10-28 23:29:45,348 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 87 transitions, 190 flow [2021-10-28 23:29:45,405 INFO L129 PetriNetUnfolder]: 1/85 cut-off events. [2021-10-28 23:29:45,405 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-10-28 23:29:45,415 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 85 events. 1/85 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 53 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 40. Up to 2 conditions per place. [2021-10-28 23:29:45,422 INFO L82 GeneralOperation]: Start removeDead. Operand has 93 places, 87 transitions, 190 flow [2021-10-28 23:29:45,426 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 76 places, 69 transitions, 147 flow [2021-10-28 23:29:45,443 INFO L129 PetriNetUnfolder]: 0/65 cut-off events. [2021-10-28 23:29:45,443 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-10-28 23:29:45,443 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 23:29:45,444 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] [2021-10-28 23:29:45,444 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting f2Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, f2Err0ASSERT_VIOLATIONERROR_FUNCTION, f2Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 23:29:45,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:29:45,449 INFO L85 PathProgramCache]: Analyzing trace with hash -294637646, now seen corresponding path program 1 times [2021-10-28 23:29:45,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:29:45,458 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161359072] [2021-10-28 23:29:45,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:29:45,459 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:29:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:29:45,688 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:29:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:29:45,839 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:29:45,841 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 23:29:45,842 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:29:45,843 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-28 23:29:45,844 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-28 23:29:45,844 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location f2Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:29:45,845 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:29:45,848 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-10-28 23:29:45,873 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-28 23:29:45,873 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:29:45,929 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:29:45 BasicIcfg [2021-10-28 23:29:45,929 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:29:45,930 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:29:45,930 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:29:45,930 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:29:45,931 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:29:45" (3/4) ... [2021-10-28 23:29:45,932 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-28 23:29:46,000 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a9dd1e9-b49d-4f62-8c48-f35dc0d7828f/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:29:46,000 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:29:46,002 INFO L168 Benchmark]: Toolchain (without parser) took 2438.60 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 61.8 MB in the beginning and 82.2 MB in the end (delta: -20.4 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:29:46,003 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 98.6 MB. Free memory was 71.6 MB in the beginning and 71.6 MB in the end (delta: 30.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:29:46,004 INFO L168 Benchmark]: CACSL2BoogieTranslator took 890.69 ms. Allocated memory is still 98.6 MB. Free memory was 61.6 MB in the beginning and 45.9 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:29:46,005 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.03 ms. Allocated memory is still 98.6 MB. Free memory was 45.9 MB in the beginning and 43.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:29:46,005 INFO L168 Benchmark]: Boogie Preprocessor took 56.63 ms. Allocated memory is still 98.6 MB. Free memory was 43.3 MB in the beginning and 41.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:29:46,006 INFO L168 Benchmark]: RCFGBuilder took 605.26 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 41.0 MB in the beginning and 85.4 MB in the end (delta: -44.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:29:46,007 INFO L168 Benchmark]: TraceAbstraction took 737.65 ms. Allocated memory is still 123.7 MB. Free memory was 84.7 MB in the beginning and 89.8 MB in the end (delta: -5.0 MB). Peak memory consumption was 39.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:29:46,007 INFO L168 Benchmark]: Witness Printer took 70.60 ms. Allocated memory is still 123.7 MB. Free memory was 89.8 MB in the beginning and 82.2 MB in the end (delta: 7.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:29:46,011 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 98.6 MB. Free memory was 71.6 MB in the beginning and 71.6 MB in the end (delta: 30.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 890.69 ms. Allocated memory is still 98.6 MB. Free memory was 61.6 MB in the beginning and 45.9 MB in the end (delta: 15.7 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 71.03 ms. Allocated memory is still 98.6 MB. Free memory was 45.9 MB in the beginning and 43.3 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 56.63 ms. Allocated memory is still 98.6 MB. Free memory was 43.3 MB in the beginning and 41.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 605.26 ms. Allocated memory was 98.6 MB in the beginning and 123.7 MB in the end (delta: 25.2 MB). Free memory was 41.0 MB in the beginning and 85.4 MB in the end (delta: -44.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 737.65 ms. Allocated memory is still 123.7 MB. Free memory was 84.7 MB in the beginning and 89.8 MB in the end (delta: -5.0 MB). Peak memory consumption was 39.6 MB. Max. memory is 16.1 GB. * Witness Printer took 70.60 ms. Allocated memory is still 123.7 MB. Free memory was 89.8 MB in the beginning and 82.2 MB in the end (delta: 7.6 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * 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: 13]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1345] 0 int g; VAL [g=0] [L1346] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [g=0, mut={9:0}] [L1347] 0 pthread_cond_t cond = { { {0}, {0}, {0, 0}, {0, 0}, 0, 0, {0, 0} } }; VAL [cond={10:0}, g=0, mut={9:0}] [L1367] 0 pthread_t t1; VAL [cond={10:0}, g=0, mut={9:0}] [L1368] 0 pthread_t t2; VAL [cond={10:0}, g=0, mut={9:0}] [L1369] FCALL, FORK 0 pthread_create(&t1,((void *)0),f1,((void *)0)) VAL [cond={10:0}, g=0, mut={9:0}, ptr={0:0}] [L1371] FCALL, FORK 0 pthread_create(&t2,((void *)0),f2,((void *)0)) VAL [cond={10:0}, g=0, mut={9:0}, ptr={0:0}] [L13] COND TRUE 2 !(cond) VAL [cond={10:0}, g=0, mut={9:0}, ptr={0:0}] [L13] 2 reach_error() VAL [cond={10:0}, g=0, mut={9:0}, ptr={0:0}] - UnprovableResult [Line: 1371]: 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: 1369]: 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, 117 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: 0.5s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=147occurred 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 51 NumberOfCodeBlocks, 51 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! [2021-10-28 23:29:46,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a9dd1e9-b49d-4f62-8c48-f35dc0d7828f/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...