./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58127ae-832b-4b8d-996a-71e2ecf10fea/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58127ae-832b-4b8d-996a-71e2ecf10fea/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58127ae-832b-4b8d-996a-71e2ecf10fea/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58127ae-832b-4b8d-996a-71e2ecf10fea/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58127ae-832b-4b8d-996a-71e2ecf10fea/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58127ae-832b-4b8d-996a-71e2ecf10fea/bin/uautomizer-ug76WZFUDN --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 db89c87a20c604c9441b7de7f477400cd6fc4624b5ed335b5e7cd959bb73911d --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 09:35:11,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:35:11,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:35:11,518 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:35:11,518 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:35:11,519 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:35:11,520 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:35:11,522 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:35:11,524 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:35:11,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:35:11,525 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:35:11,527 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:35:11,530 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:35:11,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:35:11,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:35:11,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:35:11,539 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:35:11,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:35:11,541 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:35:11,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:35:11,544 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:35:11,553 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:35:11,556 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:35:11,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:35:11,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:35:11,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:35:11,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:35:11,568 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:35:11,568 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:35:11,569 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:35:11,569 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:35:11,570 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:35:11,571 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:35:11,572 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:35:11,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:35:11,573 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:35:11,574 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:35:11,574 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:35:11,574 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:35:11,583 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:35:11,585 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:35:11,585 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58127ae-832b-4b8d-996a-71e2ecf10fea/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 09:35:11,629 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:35:11,629 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:35:11,630 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:35:11,630 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:35:11,631 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:35:11,631 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:35:11,632 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:35:11,632 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:35:11,632 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:35:11,632 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:35:11,633 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 09:35:11,634 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 09:35:11,634 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 09:35:11,634 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:35:11,634 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:35:11,634 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:35:11,634 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:35:11,635 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 09:35:11,635 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:35:11,635 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:35:11,635 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:35:11,635 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:35:11,636 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:35:11,636 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:35:11,636 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:35:11,636 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:35:11,636 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:35:11,636 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:35:11,637 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 09:35:11,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 09:35:11,638 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:35:11,638 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:35:11,639 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:35:11,639 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_c58127ae-832b-4b8d-996a-71e2ecf10fea/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58127ae-832b-4b8d-996a-71e2ecf10fea/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> db89c87a20c604c9441b7de7f477400cd6fc4624b5ed335b5e7cd959bb73911d [2022-11-20 09:35:11,905 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:35:11,939 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:35:11,942 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:35:11,943 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:35:11,947 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:35:11,948 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58127ae-832b-4b8d-996a-71e2ecf10fea/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i [2022-11-20 09:35:15,115 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:35:15,413 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:35:15,414 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58127ae-832b-4b8d-996a-71e2ecf10fea/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i [2022-11-20 09:35:15,427 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58127ae-832b-4b8d-996a-71e2ecf10fea/bin/uautomizer-ug76WZFUDN/data/a199f4e34/4d8888ceb5c44f61a00a5aab6225b6d1/FLAGcf11affd5 [2022-11-20 09:35:15,441 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58127ae-832b-4b8d-996a-71e2ecf10fea/bin/uautomizer-ug76WZFUDN/data/a199f4e34/4d8888ceb5c44f61a00a5aab6225b6d1 [2022-11-20 09:35:15,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:35:15,446 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:35:15,447 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:35:15,447 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:35:15,451 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:35:15,452 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:35:15" (1/1) ... [2022-11-20 09:35:15,453 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b65f36b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:15, skipping insertion in model container [2022-11-20 09:35:15,453 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:35:15" (1/1) ... [2022-11-20 09:35:15,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:35:15,492 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:35:15,641 WARN L237 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_c58127ae-832b-4b8d-996a-71e2ecf10fea/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i[1097,1110] [2022-11-20 09:35:15,855 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:35:15,870 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:35:15,885 WARN L237 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_c58127ae-832b-4b8d-996a-71e2ecf10fea/sv-benchmarks/c/goblint-regression/13-privatized_18-first-reads_unknown_1_neg.i[1097,1110] [2022-11-20 09:35:15,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:35:15,976 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:35:15,977 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:15 WrapperNode [2022-11-20 09:35:15,977 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:35:15,979 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:35:15,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:35:15,979 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:35:15,987 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:15" (1/1) ... [2022-11-20 09:35:16,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:15" (1/1) ... [2022-11-20 09:35:16,028 INFO L138 Inliner]: procedures = 163, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2022-11-20 09:35:16,028 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:35:16,029 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:35:16,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:35:16,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:35:16,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:15" (1/1) ... [2022-11-20 09:35:16,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:15" (1/1) ... [2022-11-20 09:35:16,041 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:15" (1/1) ... [2022-11-20 09:35:16,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:15" (1/1) ... [2022-11-20 09:35:16,045 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:15" (1/1) ... [2022-11-20 09:35:16,047 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:15" (1/1) ... [2022-11-20 09:35:16,049 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:15" (1/1) ... [2022-11-20 09:35:16,050 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:15" (1/1) ... [2022-11-20 09:35:16,052 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:35:16,056 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:35:16,067 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:35:16,067 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:35:16,068 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:15" (1/1) ... [2022-11-20 09:35:16,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:35:16,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58127ae-832b-4b8d-996a-71e2ecf10fea/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:35:16,098 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58127ae-832b-4b8d-996a-71e2ecf10fea/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 09:35:16,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58127ae-832b-4b8d-996a-71e2ecf10fea/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 09:35:16,136 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 09:35:16,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 09:35:16,137 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-20 09:35:16,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 09:35:16,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 09:35:16,137 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-20 09:35:16,137 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-20 09:35:16,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 09:35:16,138 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 09:35:16,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:35:16,138 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:35:16,140 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-20 09:35:16,265 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:35:16,267 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:35:16,478 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:35:16,484 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:35:16,485 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 09:35:16,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:35:16 BoogieIcfgContainer [2022-11-20 09:35:16,487 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:35:16,490 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 09:35:16,490 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 09:35:16,509 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 09:35:16,510 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:35:15" (1/3) ... [2022-11-20 09:35:16,510 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f58e1c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:35:16, skipping insertion in model container [2022-11-20 09:35:16,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:35:15" (2/3) ... [2022-11-20 09:35:16,511 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f58e1c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:35:16, skipping insertion in model container [2022-11-20 09:35:16,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:35:16" (3/3) ... [2022-11-20 09:35:16,513 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_1_neg.i [2022-11-20 09:35:16,526 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-20 09:35:16,537 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 09:35:16,537 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 09:35:16,538 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-20 09:35:16,590 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-20 09:35:16,624 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 66 places, 64 transitions, 136 flow [2022-11-20 09:35:16,664 INFO L130 PetriNetUnfolder]: 2/63 cut-off events. [2022-11-20 09:35:16,664 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-20 09:35:16,669 INFO L83 FinitePrefix]: Finished finitePrefix Result has 68 conditions, 63 events. 2/63 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 30. Up to 2 conditions per place. [2022-11-20 09:35:16,669 INFO L82 GeneralOperation]: Start removeDead. Operand has 66 places, 64 transitions, 136 flow [2022-11-20 09:35:16,673 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 50 places, 47 transitions, 97 flow [2022-11-20 09:35:16,684 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 09:35:16,691 INFO L357 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@5f1ca1f4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 09:35:16,691 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-11-20 09:35:16,709 INFO L130 PetriNetUnfolder]: 1/46 cut-off events. [2022-11-20 09:35:16,709 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-20 09:35:16,710 INFO L201 CegarLoopForPetriNet]: Found error trace [2022-11-20 09:35:16,710 INFO L209 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] [2022-11-20 09:35:16,711 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:35:16,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:35:16,717 INFO L85 PathProgramCache]: Analyzing trace with hash -392670942, now seen corresponding path program 1 times [2022-11-20 09:35:16,727 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:35:16,727 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667450754] [2022-11-20 09:35:16,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:35:16,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:35:16,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:16,858 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:35:16,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:35:16,910 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:35:16,913 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-20 09:35:16,914 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-11-20 09:35:16,916 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-11-20 09:35:16,917 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-11-20 09:35:16,918 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 09:35:16,918 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-20 09:35:16,927 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-20 09:35:16,927 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 09:35:16,960 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:35:16 BasicIcfg [2022-11-20 09:35:16,960 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 09:35:16,961 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 09:35:16,961 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 09:35:16,961 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 09:35:16,962 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:35:16" (3/4) ... [2022-11-20 09:35:16,964 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-20 09:35:17,009 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58127ae-832b-4b8d-996a-71e2ecf10fea/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 09:35:17,009 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 09:35:17,010 INFO L158 Benchmark]: Toolchain (without parser) took 1564.67ms. Allocated memory is still 178.3MB. Free memory was 148.7MB in the beginning and 82.0MB in the end (delta: 66.7MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2022-11-20 09:35:17,011 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:35:17,011 INFO L158 Benchmark]: CACSL2BoogieTranslator took 530.70ms. Allocated memory is still 178.3MB. Free memory was 148.7MB in the beginning and 129.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 09:35:17,012 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.93ms. Allocated memory is still 178.3MB. Free memory was 129.0MB in the beginning and 127.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:35:17,012 INFO L158 Benchmark]: Boogie Preprocessor took 23.10ms. Allocated memory is still 178.3MB. Free memory was 127.7MB in the beginning and 126.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 09:35:17,013 INFO L158 Benchmark]: RCFGBuilder took 431.09ms. Allocated memory is still 178.3MB. Free memory was 126.0MB in the beginning and 113.2MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-20 09:35:17,013 INFO L158 Benchmark]: TraceAbstraction took 470.24ms. Allocated memory is still 178.3MB. Free memory was 112.2MB in the beginning and 86.2MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-11-20 09:35:17,013 INFO L158 Benchmark]: Witness Printer took 48.54ms. Allocated memory is still 178.3MB. Free memory was 86.2MB in the beginning and 82.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 09:35:17,016 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory is still 71.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 530.70ms. Allocated memory is still 178.3MB. Free memory was 148.7MB in the beginning and 129.8MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.93ms. Allocated memory is still 178.3MB. Free memory was 129.0MB in the beginning and 127.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.10ms. Allocated memory is still 178.3MB. Free memory was 127.7MB in the beginning and 126.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 431.09ms. Allocated memory is still 178.3MB. Free memory was 126.0MB in the beginning and 113.2MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 470.24ms. Allocated memory is still 178.3MB. Free memory was 112.2MB in the beginning and 86.2MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Witness Printer took 48.54ms. Allocated memory is still 178.3MB. Free memory was 86.2MB in the beginning and 82.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L682] 0 int glob1 = 0; VAL [glob1=0] [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}] [L697] 0 pthread_t id; VAL [glob1=0, id={5:0}, mutex1={3:0}] [L698] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [glob1=0, id={5:0}, mutex1={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L685] 1 int t = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L687] COND FALSE 1 !(t == 42) VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L690] 1 t = glob1 VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L691] CALL 1 __VERIFIER_assert(!(t == 0)) [L19] COND TRUE 1 !(cond) VAL [\old(cond)=0, cond=0, glob1=0, mutex1={3:0}] [L19] 1 reach_error() VAL [\old(cond)=0, cond=0, glob1=0, mutex1={3:0}] - UnprovableResult [Line: 698]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 87 locations, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=97occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-20 09:35:17,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c58127ae-832b-4b8d-996a-71e2ecf10fea/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE