./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.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_d96aff67-c2d9-489d-9c28-8564f646ef4e/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96aff67-c2d9-489d-9c28-8564f646ef4e/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_d96aff67-c2d9-489d-9c28-8564f646ef4e/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96aff67-c2d9-489d-9c28-8564f646ef4e/bin/uautomizer-GMMbpWq8iD/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96aff67-c2d9-489d-9c28-8564f646ef4e/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_d96aff67-c2d9-489d-9c28-8564f646ef4e/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 bf355d39fb9f7488100d8b96d228c81b4f979ef4a38624d93e12fa6dff1a8590 .............................................................................................................................................................................................................................................................................................................................................................................................................. 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 23:41:18,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:41:18,927 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:41:18,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:41:18,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:41:18,989 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:41:18,992 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:41:19,000 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:41:19,004 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:41:19,005 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:41:19,007 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:41:19,009 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:41:19,011 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:41:19,015 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:41:19,018 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:41:19,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:41:19,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:41:19,031 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:41:19,033 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:41:19,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:41:19,042 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:41:19,043 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:41:19,045 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:41:19,046 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:41:19,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:41:19,054 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:41:19,055 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:41:19,056 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:41:19,058 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:41:19,059 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:41:19,060 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:41:19,061 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:41:19,063 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:41:19,064 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:41:19,067 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:41:19,067 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:41:19,068 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:41:19,068 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:41:19,069 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:41:19,070 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:41:19,070 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:41:19,072 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96aff67-c2d9-489d-9c28-8564f646ef4e/bin/uautomizer-GMMbpWq8iD/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 23:41:19,118 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:41:19,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:41:19,119 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:41:19,119 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:41:19,121 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:41:19,121 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:41:19,121 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:41:19,121 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:41:19,122 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:41:19,122 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:41:19,123 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:41:19,124 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:41:19,124 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 23:41:19,125 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 23:41:19,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 23:41:19,125 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:41:19,125 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:41:19,126 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:41:19,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 23:41:19,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:41:19,126 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:41:19,127 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 23:41:19,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:41:19,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:41:19,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 23:41:19,128 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 23:41:19,128 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:41:19,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 23:41:19,128 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 23:41:19,128 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 23:41:19,129 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 23:41:19,129 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:41:19,129 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_d96aff67-c2d9-489d-9c28-8564f646ef4e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96aff67-c2d9-489d-9c28-8564f646ef4e/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf355d39fb9f7488100d8b96d228c81b4f979ef4a38624d93e12fa6dff1a8590 [2021-10-28 23:41:19,411 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:41:19,437 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:41:19,440 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:41:19,442 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:41:19,443 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:41:19,444 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96aff67-c2d9-489d-9c28-8564f646ef4e/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i [2021-10-28 23:41:19,520 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96aff67-c2d9-489d-9c28-8564f646ef4e/bin/uautomizer-GMMbpWq8iD/data/9260481e1/5f02e3562f994493b9406c2260c3c3e2/FLAG49d77776e [2021-10-28 23:41:20,064 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:41:20,065 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96aff67-c2d9-489d-9c28-8564f646ef4e/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i [2021-10-28 23:41:20,097 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96aff67-c2d9-489d-9c28-8564f646ef4e/bin/uautomizer-GMMbpWq8iD/data/9260481e1/5f02e3562f994493b9406c2260c3c3e2/FLAG49d77776e [2021-10-28 23:41:20,344 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96aff67-c2d9-489d-9c28-8564f646ef4e/bin/uautomizer-GMMbpWq8iD/data/9260481e1/5f02e3562f994493b9406c2260c3c3e2 [2021-10-28 23:41:20,347 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:41:20,348 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:41:20,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:41:20,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:41:20,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:41:20,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:41:20" (1/1) ... [2021-10-28 23:41:20,359 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5300a187 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:20, skipping insertion in model container [2021-10-28 23:41:20,359 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:41:20" (1/1) ... [2021-10-28 23:41:20,369 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:41:20,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:41:20,652 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_d96aff67-c2d9-489d-9c28-8564f646ef4e/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i[841,854] [2021-10-28 23:41:20,814 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:41:20,829 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:41:20,844 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_d96aff67-c2d9-489d-9c28-8564f646ef4e/sv-benchmarks/c/goblint-regression/13-privatized_19-publish-precision_unknown_1_pos.i[841,854] [2021-10-28 23:41:20,877 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:41:20,919 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:41:20,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:20 WrapperNode [2021-10-28 23:41:20,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:41:20,921 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:41:20,922 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:41:20,922 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:41:20,930 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:20" (1/1) ... [2021-10-28 23:41:20,946 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:20" (1/1) ... [2021-10-28 23:41:20,968 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:41:20,969 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:41:20,970 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:41:20,970 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:41:20,979 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:20" (1/1) ... [2021-10-28 23:41:20,979 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:20" (1/1) ... [2021-10-28 23:41:20,983 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:20" (1/1) ... [2021-10-28 23:41:20,983 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:20" (1/1) ... [2021-10-28 23:41:20,989 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:20" (1/1) ... [2021-10-28 23:41:20,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:20" (1/1) ... [2021-10-28 23:41:20,993 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:20" (1/1) ... [2021-10-28 23:41:21,008 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:41:21,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:41:21,009 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:41:21,009 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:41:21,016 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:20" (1/1) ... [2021-10-28 23:41:21,025 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 23:41:21,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96aff67-c2d9-489d-9c28-8564f646ef4e/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:41:21,051 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96aff67-c2d9-489d-9c28-8564f646ef4e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 23:41:21,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96aff67-c2d9-489d-9c28-8564f646ef4e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 23:41:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 23:41:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:41:21,108 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-10-28 23:41:21,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:41:21,109 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-10-28 23:41:21,109 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-10-28 23:41:21,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:41:21,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:41:21,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:41:21,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:41:21,111 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 23:41:21,473 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:41:21,476 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-10-28 23:41:21,478 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:41:21 BoogieIcfgContainer [2021-10-28 23:41:21,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:41:21,480 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 23:41:21,480 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 23:41:21,486 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 23:41:21,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 11:41:20" (1/3) ... [2021-10-28 23:41:21,487 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e1aa199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:41:21, skipping insertion in model container [2021-10-28 23:41:21,487 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:41:20" (2/3) ... [2021-10-28 23:41:21,488 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e1aa199 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 11:41:21, skipping insertion in model container [2021-10-28 23:41:21,488 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:41:21" (3/3) ... [2021-10-28 23:41:21,490 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_19-publish-precision_unknown_1_pos.i [2021-10-28 23:41:21,498 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-28 23:41:21,498 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 23:41:21,498 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-10-28 23:41:21,499 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-28 23:41:21,532 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:41:21,532 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:41:21,532 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:41:21,533 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:41:21,533 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:41:21,533 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:41:21,533 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:41:21,534 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:41:21,534 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:41:21,534 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:41:21,535 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:41:21,535 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:41:21,535 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:41:21,535 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:41:21,536 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:41:21,536 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:41:21,536 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:41:21,537 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:41:21,537 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:41:21,537 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:41:21,538 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:41:21,538 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:41:21,538 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:41:21,538 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:41:21,542 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:41:21,542 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:41:21,542 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:41:21,543 WARN L313 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:41:21,543 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:41:21,543 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet4| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:41:21,543 WARN L313 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-28 23:41:21,553 INFO L148 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-10-28 23:41:21,607 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 23:41:21,614 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 23:41:21,614 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-10-28 23:41:21,627 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 66 places, 63 transitions, 134 flow [2021-10-28 23:41:21,670 INFO L129 PetriNetUnfolder]: 1/62 cut-off events. [2021-10-28 23:41:21,670 INFO L130 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2021-10-28 23:41:21,674 INFO L84 FinitePrefix]: Finished finitePrefix Result has 67 conditions, 62 events. 1/62 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 32 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2021-10-28 23:41:21,674 INFO L82 GeneralOperation]: Start removeDead. Operand has 66 places, 63 transitions, 134 flow [2021-10-28 23:41:21,679 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 54 places, 50 transitions, 103 flow [2021-10-28 23:41:21,704 INFO L129 PetriNetUnfolder]: 0/44 cut-off events. [2021-10-28 23:41:21,704 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 23:41:21,705 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 23:41:21,706 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] [2021-10-28 23:41:21,706 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-28 23:41:21,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:41:21,715 INFO L85 PathProgramCache]: Analyzing trace with hash 1459843338, now seen corresponding path program 1 times [2021-10-28 23:41:21,745 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:41:21,746 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1981163000] [2021-10-28 23:41:21,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:41:21,748 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:41:21,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:41:22,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:41:22,145 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:41:22,146 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1981163000] [2021-10-28 23:41:22,146 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1981163000] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:41:22,147 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:41:22,147 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 23:41:22,149 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027741391] [2021-10-28 23:41:22,161 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 23:41:22,161 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:41:22,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 23:41:22,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 23:41:22,185 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 53 out of 63 [2021-10-28 23:41:22,189 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 50 transitions, 103 flow. Second operand has 5 states, 5 states have (on average 54.0) internal successors, (270), 5 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:41:22,189 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 23:41:22,189 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 53 of 63 [2021-10-28 23:41:22,191 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 23:41:22,334 INFO L129 PetriNetUnfolder]: 8/93 cut-off events. [2021-10-28 23:41:22,335 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-28 23:41:22,335 INFO L84 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 93 events. 8/93 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 8. Compared 209 event pairs, 0 based on Foata normal form. 3/96 useless extension candidates. Maximal degree in co-relation 93. Up to 9 conditions per place. [2021-10-28 23:41:22,337 INFO L132 encePairwiseOnDemand]: 57/63 looper letters, 7 selfloop transitions, 3 changer transitions 9/62 dead transitions. [2021-10-28 23:41:22,338 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 62 transitions, 165 flow [2021-10-28 23:41:22,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 23:41:22,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2021-10-28 23:41:22,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 392 transitions. [2021-10-28 23:41:22,354 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.8888888888888888 [2021-10-28 23:41:22,355 INFO L72 ComplementDD]: Start complementDD. Operand 7 states and 392 transitions. [2021-10-28 23:41:22,355 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 392 transitions. [2021-10-28 23:41:22,358 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:41:22,360 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 7 states and 392 transitions. [2021-10-28 23:41:22,365 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 8 states, 7 states have (on average 56.0) internal successors, (392), 7 states have internal predecessors, (392), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:41:22,372 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 8 states, 8 states have (on average 63.0) internal successors, (504), 8 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:41:22,373 INFO L81 ComplementDD]: Finished complementDD. Result has 8 states, 8 states have (on average 63.0) internal successors, (504), 8 states have internal predecessors, (504), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:41:22,375 INFO L186 Difference]: Start difference. First operand has 54 places, 50 transitions, 103 flow. Second operand 7 states and 392 transitions. [2021-10-28 23:41:22,376 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 62 transitions, 165 flow [2021-10-28 23:41:22,379 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 62 transitions, 164 flow, removed 0 selfloop flow, removed 1 redundant places. [2021-10-28 23:41:22,383 INFO L242 Difference]: Finished difference. Result has 64 places, 50 transitions, 121 flow [2021-10-28 23:41:22,385 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=102, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=121, PETRI_PLACES=64, PETRI_TRANSITIONS=50} [2021-10-28 23:41:22,386 INFO L334 CegarLoopForPetriNet]: 54 programPoint places, 10 predicate places. [2021-10-28 23:41:22,386 INFO L470 AbstractCegarLoop]: Abstraction has has 64 places, 50 transitions, 121 flow [2021-10-28 23:41:22,387 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 54.0) internal successors, (270), 5 states have internal predecessors, (270), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:41:22,387 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 23:41:22,387 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] [2021-10-28 23:41:22,387 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 23:41:22,388 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-28 23:41:22,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:41:22,388 INFO L85 PathProgramCache]: Analyzing trace with hash 1396787847, now seen corresponding path program 1 times [2021-10-28 23:41:22,389 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:41:22,389 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769091597] [2021-10-28 23:41:22,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:41:22,389 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:41:22,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 23:41:22,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 23:41:22,572 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 23:41:22,572 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769091597] [2021-10-28 23:41:22,573 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769091597] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 23:41:22,573 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 23:41:22,573 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 23:41:22,573 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255052135] [2021-10-28 23:41:22,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 23:41:22,575 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 23:41:22,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 23:41:22,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-28 23:41:22,578 INFO L499 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 63 [2021-10-28 23:41:22,579 INFO L92 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 64 places, 50 transitions, 121 flow. Second operand has 6 states, 6 states have (on average 39.166666666666664) internal successors, (235), 6 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:41:22,579 INFO L101 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2021-10-28 23:41:22,579 INFO L102 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 63 [2021-10-28 23:41:22,579 INFO L74 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2021-10-28 23:41:22,685 INFO L129 PetriNetUnfolder]: 2/60 cut-off events. [2021-10-28 23:41:22,685 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2021-10-28 23:41:22,686 INFO L84 FinitePrefix]: Finished finitePrefix Result has 108 conditions, 60 events. 2/60 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 50 event pairs, 0 based on Foata normal form. 4/63 useless extension candidates. Maximal degree in co-relation 96. Up to 11 conditions per place. [2021-10-28 23:41:22,686 INFO L132 encePairwiseOnDemand]: 56/63 looper letters, 15 selfloop transitions, 5 changer transitions 9/52 dead transitions. [2021-10-28 23:41:22,686 INFO L138 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 64 places, 52 transitions, 175 flow [2021-10-28 23:41:22,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 23:41:22,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2021-10-28 23:41:22,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 208 transitions. [2021-10-28 23:41:22,689 INFO L544 CegarLoopForPetriNet]: DFA transition density 0.6603174603174603 [2021-10-28 23:41:22,689 INFO L72 ComplementDD]: Start complementDD. Operand 5 states and 208 transitions. [2021-10-28 23:41:22,690 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 208 transitions. [2021-10-28 23:41:22,690 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-28 23:41:22,690 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 5 states and 208 transitions. [2021-10-28 23:41:22,691 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 6 states, 5 states have (on average 41.6) internal successors, (208), 5 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:41:22,709 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 6 states, 6 states have (on average 63.0) internal successors, (378), 6 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:41:22,710 INFO L81 ComplementDD]: Finished complementDD. Result has 6 states, 6 states have (on average 63.0) internal successors, (378), 6 states have internal predecessors, (378), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:41:22,710 INFO L186 Difference]: Start difference. First operand has 64 places, 50 transitions, 121 flow. Second operand 5 states and 208 transitions. [2021-10-28 23:41:22,710 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 64 places, 52 transitions, 175 flow [2021-10-28 23:41:22,712 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 52 transitions, 161 flow, removed 4 selfloop flow, removed 6 redundant places. [2021-10-28 23:41:22,713 INFO L242 Difference]: Finished difference. Result has 58 places, 43 transitions, 102 flow [2021-10-28 23:41:22,714 INFO L317 CegarLoopForPetriNet]: {PETRI_ALPHABET=63, PETRI_DIFFERENCE_MINUEND_FLOW=107, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=50, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=102, PETRI_PLACES=58, PETRI_TRANSITIONS=43} [2021-10-28 23:41:22,715 INFO L334 CegarLoopForPetriNet]: 54 programPoint places, 4 predicate places. [2021-10-28 23:41:22,715 INFO L470 AbstractCegarLoop]: Abstraction has has 58 places, 43 transitions, 102 flow [2021-10-28 23:41:22,716 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 39.166666666666664) internal successors, (235), 6 states have internal predecessors, (235), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 23:41:22,716 INFO L246 CegarLoopForPetriNet]: Found error trace [2021-10-28 23:41:22,716 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] [2021-10-28 23:41:22,717 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 23:41:22,718 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2021-10-28 23:41:22,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 23:41:22,721 INFO L85 PathProgramCache]: Analyzing trace with hash -150940430, now seen corresponding path program 1 times [2021-10-28 23:41:22,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 23:41:22,722 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1843197549] [2021-10-28 23:41:22,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 23:41:22,723 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 23:41:22,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:41:22,775 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-28 23:41:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-28 23:41:22,849 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-28 23:41:22,849 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-28 23:41:22,851 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 23:41:22,852 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-28 23:41:22,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 23:41:22,856 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-10-28 23:41:22,861 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-28 23:41:22,861 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 23:41:22,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 11:41:22 BasicIcfg [2021-10-28 23:41:22,925 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 23:41:22,926 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:41:22,928 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:41:22,928 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:41:22,928 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:41:21" (3/4) ... [2021-10-28 23:41:22,930 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-28 23:41:22,991 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96aff67-c2d9-489d-9c28-8564f646ef4e/bin/uautomizer-GMMbpWq8iD/witness.graphml [2021-10-28 23:41:22,991 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:41:22,993 INFO L168 Benchmark]: Toolchain (without parser) took 2643.89 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 62.9 MB in the beginning and 102.1 MB in the end (delta: -39.2 MB). Peak memory consumption was 37.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:41:22,994 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 107.0 MB. Free memory is still 80.3 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:41:22,994 INFO L168 Benchmark]: CACSL2BoogieTranslator took 568.43 ms. Allocated memory is still 107.0 MB. Free memory was 62.7 MB in the beginning and 71.9 MB in the end (delta: -9.2 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. [2021-10-28 23:41:22,995 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.46 ms. Allocated memory is still 107.0 MB. Free memory was 71.6 MB in the beginning and 69.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:41:22,996 INFO L168 Benchmark]: Boogie Preprocessor took 38.99 ms. Allocated memory is still 107.0 MB. Free memory was 69.8 MB in the beginning and 68.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 23:41:22,996 INFO L168 Benchmark]: RCFGBuilder took 469.14 ms. Allocated memory is still 107.0 MB. Free memory was 68.5 MB in the beginning and 56.9 MB in the end (delta: 11.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 23:41:22,997 INFO L168 Benchmark]: TraceAbstraction took 1445.32 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 56.3 MB in the beginning and 53.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.1 GB. [2021-10-28 23:41:22,998 INFO L168 Benchmark]: Witness Printer took 65.49 ms. Allocated memory is still 130.0 MB. Free memory was 53.8 MB in the beginning and 102.1 MB in the end (delta: -48.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 23:41:23,001 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 107.0 MB. Free memory is still 80.3 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 568.43 ms. Allocated memory is still 107.0 MB. Free memory was 62.7 MB in the beginning and 71.9 MB in the end (delta: -9.2 MB). Peak memory consumption was 8.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 47.46 ms. Allocated memory is still 107.0 MB. Free memory was 71.6 MB in the beginning and 69.8 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 38.99 ms. Allocated memory is still 107.0 MB. Free memory was 69.8 MB in the beginning and 68.5 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 469.14 ms. Allocated memory is still 107.0 MB. Free memory was 68.5 MB in the beginning and 56.9 MB in the end (delta: 11.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1445.32 ms. Allocated memory was 107.0 MB in the beginning and 130.0 MB in the end (delta: 23.1 MB). Free memory was 56.3 MB in the beginning and 53.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 26.7 MB. Max. memory is 16.1 GB. * Witness Printer took 65.49 ms. Allocated memory is still 130.0 MB. Free memory was 53.8 MB in the beginning and 102.1 MB in the end (delta: -48.3 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: [L675] 0 int glob1 = 0; VAL [glob1=0] [L676] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={7:0}] [L677] 0 pthread_mutex_t mutex2 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={7:0}, mutex2={9:0}] [L690] 0 pthread_t id; VAL [glob1=0, mutex1={7:0}, mutex2={9:0}] [L691] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, glob1=0, mutex1={7:0}, mutex2={9:0}] [L681] 1 glob1 = 5 VAL [arg={0:0}, arg={0:0}, glob1=5, mutex1={7:0}, mutex2={9:0}] [L13] COND TRUE 0 !(cond) VAL [arg={0:0}, arg={0:0}, glob1=5, mutex1={7:0}, mutex2={9:0}] [L13] 0 reach_error() VAL [arg={0:0}, arg={0:0}, glob1=5, mutex1={7:0}, mutex2={9:0}] - UnprovableResult [Line: 691]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 79 locations, 2 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 14 SDtfs, 25 SDslu, 24 SDs, 0 SdLazy, 79 SolverSat, 14 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=121occurred in iteration=1, InterpolantAutomatonStates: 12, 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, 0.3s InterpolantComputationTime, 121 NumberOfCodeBlocks, 121 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 271 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-10-28 23:41:23,050 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d96aff67-c2d9-489d-9c28-8564f646ef4e/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...