./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88af71c2-06a6-4470-9b7b-6e52f56148a0/bin/ugemcutter-b9s2R6iq4d/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88af71c2-06a6-4470-9b7b-6e52f56148a0/bin/ugemcutter-b9s2R6iq4d/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88af71c2-06a6-4470-9b7b-6e52f56148a0/bin/ugemcutter-b9s2R6iq4d/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88af71c2-06a6-4470-9b7b-6e52f56148a0/bin/ugemcutter-b9s2R6iq4d/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88af71c2-06a6-4470-9b7b-6e52f56148a0/bin/ugemcutter-b9s2R6iq4d/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88af71c2-06a6-4470-9b7b-6e52f56148a0/bin/ugemcutter-b9s2R6iq4d --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a138099a172ffd618c200f98f002dd42af622d442f084454d63ab9b76b3cf563 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-20 07:45:38,065 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-20 07:45:38,068 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-20 07:45:38,100 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-20 07:45:38,101 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-20 07:45:38,105 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-20 07:45:38,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-20 07:45:38,110 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-20 07:45:38,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-20 07:45:38,118 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-20 07:45:38,119 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-20 07:45:38,121 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-20 07:45:38,122 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-20 07:45:38,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-20 07:45:38,127 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-20 07:45:38,134 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-20 07:45:38,136 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-20 07:45:38,137 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-20 07:45:38,139 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-20 07:45:38,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-20 07:45:38,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-20 07:45:38,150 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-20 07:45:38,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-20 07:45:38,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-20 07:45:38,162 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-20 07:45:38,163 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-20 07:45:38,163 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-20 07:45:38,165 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-20 07:45:38,166 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-20 07:45:38,168 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-20 07:45:38,169 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-20 07:45:38,170 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-20 07:45:38,172 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-20 07:45:38,173 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-20 07:45:38,174 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-20 07:45:38,175 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-20 07:45:38,175 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-20 07:45:38,176 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-20 07:45:38,176 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-20 07:45:38,177 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-20 07:45:38,178 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-20 07:45:38,179 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88af71c2-06a6-4470-9b7b-6e52f56148a0/bin/ugemcutter-b9s2R6iq4d/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2021-11-20 07:45:38,222 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-20 07:45:38,222 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-20 07:45:38,223 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-20 07:45:38,223 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-20 07:45:38,224 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-20 07:45:38,224 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-20 07:45:38,225 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-20 07:45:38,225 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-20 07:45:38,226 INFO L138 SettingsManager]: * Use SBE=true [2021-11-20 07:45:38,226 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-20 07:45:38,227 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-20 07:45:38,227 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-20 07:45:38,227 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-20 07:45:38,228 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-20 07:45:38,228 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-20 07:45:38,228 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-20 07:45:38,228 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-20 07:45:38,229 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-20 07:45:38,229 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2021-11-20 07:45:38,229 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-20 07:45:38,229 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-20 07:45:38,229 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-20 07:45:38,230 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-20 07:45:38,230 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-20 07:45:38,230 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-20 07:45:38,230 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-11-20 07:45:38,231 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-20 07:45:38,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:45:38,231 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-20 07:45:38,233 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-20 07:45:38,233 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-20 07:45:38,233 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-20 07:45:38,233 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-20 07:45:38,234 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-20 07:45:38,234 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-11-20 07:45:38,234 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-20 07:45:38,234 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2021-11-20 07:45:38,234 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-11-20 07:45:38,235 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_88af71c2-06a6-4470-9b7b-6e52f56148a0/bin/ugemcutter-b9s2R6iq4d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88af71c2-06a6-4470-9b7b-6e52f56148a0/bin/ugemcutter-b9s2R6iq4d Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a138099a172ffd618c200f98f002dd42af622d442f084454d63ab9b76b3cf563 [2021-11-20 07:45:38,493 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-20 07:45:38,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-20 07:45:38,521 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-20 07:45:38,522 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-20 07:45:38,523 INFO L275 PluginConnector]: CDTParser initialized [2021-11-20 07:45:38,525 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88af71c2-06a6-4470-9b7b-6e52f56148a0/bin/ugemcutter-b9s2R6iq4d/../../sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.i [2021-11-20 07:45:38,589 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88af71c2-06a6-4470-9b7b-6e52f56148a0/bin/ugemcutter-b9s2R6iq4d/data/d888bb77b/865616703b0148b2a686365d7aaeec2b/FLAGab21c7688 [2021-11-20 07:45:39,103 INFO L306 CDTParser]: Found 1 translation units. [2021-11-20 07:45:39,104 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88af71c2-06a6-4470-9b7b-6e52f56148a0/sv-benchmarks/c/goblint-regression/05-lval_ls_15-fldunknown_access.i [2021-11-20 07:45:39,137 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88af71c2-06a6-4470-9b7b-6e52f56148a0/bin/ugemcutter-b9s2R6iq4d/data/d888bb77b/865616703b0148b2a686365d7aaeec2b/FLAGab21c7688 [2021-11-20 07:45:39,412 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88af71c2-06a6-4470-9b7b-6e52f56148a0/bin/ugemcutter-b9s2R6iq4d/data/d888bb77b/865616703b0148b2a686365d7aaeec2b [2021-11-20 07:45:39,413 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-20 07:45:39,415 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-20 07:45:39,416 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-20 07:45:39,417 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-20 07:45:39,420 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-20 07:45:39,421 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:45:39" (1/1) ... [2021-11-20 07:45:39,422 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7754e134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:39, skipping insertion in model container [2021-11-20 07:45:39,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 07:45:39" (1/1) ... [2021-11-20 07:45:39,429 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-20 07:45:39,482 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-20 07:45:39,921 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:45:39,929 INFO L203 MainTranslator]: Completed pre-run [2021-11-20 07:45:39,994 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-20 07:45:40,051 INFO L208 MainTranslator]: Completed translation [2021-11-20 07:45:40,052 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:40 WrapperNode [2021-11-20 07:45:40,052 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-20 07:45:40,053 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-20 07:45:40,053 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-20 07:45:40,053 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-20 07:45:40,060 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:40" (1/1) ... [2021-11-20 07:45:40,080 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:40" (1/1) ... [2021-11-20 07:45:40,117 INFO L137 Inliner]: procedures = 262, calls = 14, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2021-11-20 07:45:40,117 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-20 07:45:40,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-20 07:45:40,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-20 07:45:40,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-20 07:45:40,127 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:40" (1/1) ... [2021-11-20 07:45:40,127 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:40" (1/1) ... [2021-11-20 07:45:40,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:40" (1/1) ... [2021-11-20 07:45:40,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:40" (1/1) ... [2021-11-20 07:45:40,150 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:40" (1/1) ... [2021-11-20 07:45:40,164 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:40" (1/1) ... [2021-11-20 07:45:40,166 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:40" (1/1) ... [2021-11-20 07:45:40,173 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-20 07:45:40,181 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-20 07:45:40,181 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-20 07:45:40,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-20 07:45:40,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:40" (1/1) ... [2021-11-20 07:45:40,191 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-20 07:45:40,202 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88af71c2-06a6-4470-9b7b-6e52f56148a0/bin/ugemcutter-b9s2R6iq4d/z3 [2021-11-20 07:45:40,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88af71c2-06a6-4470-9b7b-6e52f56148a0/bin/ugemcutter-b9s2R6iq4d/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-20 07:45:40,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88af71c2-06a6-4470-9b7b-6e52f56148a0/bin/ugemcutter-b9s2R6iq4d/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-20 07:45:40,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-20 07:45:40,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-20 07:45:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-20 07:45:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-20 07:45:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-20 07:45:40,266 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2021-11-20 07:45:40,266 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2021-11-20 07:45:40,267 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-20 07:45:40,267 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-20 07:45:40,267 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-20 07:45:40,268 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-20 07:45:40,423 INFO L236 CfgBuilder]: Building ICFG [2021-11-20 07:45:40,425 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-20 07:45:40,661 INFO L277 CfgBuilder]: Performing block encoding [2021-11-20 07:45:40,672 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-20 07:45:40,672 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-20 07:45:40,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:45:40 BoogieIcfgContainer [2021-11-20 07:45:40,680 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-20 07:45:40,682 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-20 07:45:40,691 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-20 07:45:40,694 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-20 07:45:40,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 07:45:39" (1/3) ... [2021-11-20 07:45:40,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@698d0a2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:45:40, skipping insertion in model container [2021-11-20 07:45:40,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 07:45:40" (2/3) ... [2021-11-20 07:45:40,695 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@698d0a2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 07:45:40, skipping insertion in model container [2021-11-20 07:45:40,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:45:40" (3/3) ... [2021-11-20 07:45:40,696 INFO L111 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_15-fldunknown_access.i [2021-11-20 07:45:40,702 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-20 07:45:40,702 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-20 07:45:40,702 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2021-11-20 07:45:40,702 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-20 07:45:40,727 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,728 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,728 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,728 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,729 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,729 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,729 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,730 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,730 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,730 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,731 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,731 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,731 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,731 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,732 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,732 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,732 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,732 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,732 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,733 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,733 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,733 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,733 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,734 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,734 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,734 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,734 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,735 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,735 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,735 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,735 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,735 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,736 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,736 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,736 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,736 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,736 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,739 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,740 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,740 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,740 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,741 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-20 07:45:40,744 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-11-20 07:45:40,792 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-11-20 07:45:40,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88af71c2-06a6-4470-9b7b-6e52f56148a0/bin/ugemcutter-b9s2R6iq4d/z3 [2021-11-20 07:45:40,794 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88af71c2-06a6-4470-9b7b-6e52f56148a0/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-11-20 07:45:40,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88af71c2-06a6-4470-9b7b-6e52f56148a0/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-11-20 07:45:40,846 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ======== [2021-11-20 07:45:40,852 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=PARTIAL_ORDER_FA, 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 [2021-11-20 07:45:40,852 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-11-20 07:45:41,017 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2021-11-20 07:45:41,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:45:41,022 INFO L85 PathProgramCache]: Analyzing trace with hash 2133241789, now seen corresponding path program 1 times [2021-11-20 07:45:41,031 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:45:41,032 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253860922] [2021-11-20 07:45:41,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:45:41,032 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:45:41,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:41,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:45:41,401 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:45:41,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253860922] [2021-11-20 07:45:41,403 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253860922] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:45:41,403 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:45:41,403 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:45:41,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200145814] [2021-11-20 07:45:41,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:45:41,412 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:45:41,412 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:45:41,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:45:41,441 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:45:41,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:41,444 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:45:41,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 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) [2021-11-20 07:45:41,445 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:41,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:45:41,553 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-20 07:45:41,554 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2021-11-20 07:45:41,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:45:41,555 INFO L85 PathProgramCache]: Analyzing trace with hash 1478892226, now seen corresponding path program 1 times [2021-11-20 07:45:41,555 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:45:41,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434984252] [2021-11-20 07:45:41,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:45:41,556 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:45:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-20 07:45:41,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-20 07:45:41,737 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-20 07:45:41,737 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [434984252] [2021-11-20 07:45:41,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [434984252] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-20 07:45:41,737 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-20 07:45:41,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-20 07:45:41,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988280588] [2021-11-20 07:45:41,738 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-20 07:45:41,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-20 07:45:41,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-20 07:45:41,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-20 07:45:41,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-11-20 07:45:41,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:41,741 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-11-20 07:45:41,741 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.6) internal successors, (38), 6 states have internal predecessors, (38), 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) [2021-11-20 07:45:41,741 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:45:41,742 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-11-20 07:45:41,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:45:41,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-20 07:45:41,919 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-20 07:45:41,919 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [t_funErr0ASSERT_VIOLATIONDATA_RACE, t_funErr1ASSERT_VIOLATIONDATA_RACE] === [2021-11-20 07:45:41,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-20 07:45:41,920 INFO L85 PathProgramCache]: Analyzing trace with hash 1255559042, now seen corresponding path program 1 times [2021-11-20 07:45:41,920 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-20 07:45:41,921 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1216612061] [2021-11-20 07:45:41,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-20 07:45:41,921 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-20 07:45:41,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:45:41,967 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-20 07:45:42,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-20 07:45:42,043 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-20 07:45:42,043 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-11-20 07:45:42,044 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 2 remaining) [2021-11-20 07:45:42,046 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (0 of 2 remaining) [2021-11-20 07:45:42,046 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-20 07:45:42,055 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2021-11-20 07:45:42,056 INFO L308 ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was UNSAFE,UNKNOWN (1/2) [2021-11-20 07:45:42,060 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-20 07:45:42,060 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-20 07:45:42,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 07:45:42 BasicIcfg [2021-11-20 07:45:42,107 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-20 07:45:42,108 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-20 07:45:42,108 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-20 07:45:42,108 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-20 07:45:42,109 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 07:45:40" (3/4) ... [2021-11-20 07:45:42,112 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-20 07:45:42,112 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-20 07:45:42,113 INFO L158 Benchmark]: Toolchain (without parser) took 2697.91ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 66.5MB in the beginning and 86.4MB in the end (delta: -19.9MB). Peak memory consumption was 209.9kB. Max. memory is 16.1GB. [2021-11-20 07:45:42,114 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 102.8MB. Free memory was 73.3MB in the beginning and 73.2MB in the end (delta: 26.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:45:42,114 INFO L158 Benchmark]: CACSL2BoogieTranslator took 635.52ms. Allocated memory is still 102.8MB. Free memory was 66.4MB in the beginning and 62.0MB in the end (delta: 4.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-20 07:45:42,115 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.51ms. Allocated memory is still 102.8MB. Free memory was 62.0MB in the beginning and 59.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:45:42,116 INFO L158 Benchmark]: Boogie Preprocessor took 62.64ms. Allocated memory is still 102.8MB. Free memory was 59.6MB in the beginning and 58.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-20 07:45:42,116 INFO L158 Benchmark]: RCFGBuilder took 498.84ms. Allocated memory is still 102.8MB. Free memory was 58.1MB in the beginning and 45.7MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-20 07:45:42,117 INFO L158 Benchmark]: TraceAbstraction took 1425.48ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 45.3MB in the beginning and 86.9MB in the end (delta: -41.6MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:45:42,118 INFO L158 Benchmark]: Witness Printer took 4.31ms. Allocated memory is still 123.7MB. Free memory was 86.9MB in the beginning and 86.4MB in the end (delta: 432.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-20 07:45:42,121 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 102.8MB. Free memory was 73.3MB in the beginning and 73.2MB in the end (delta: 26.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 635.52ms. Allocated memory is still 102.8MB. Free memory was 66.4MB in the beginning and 62.0MB in the end (delta: 4.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.51ms. Allocated memory is still 102.8MB. Free memory was 62.0MB in the beginning and 59.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.64ms. Allocated memory is still 102.8MB. Free memory was 59.6MB in the beginning and 58.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 498.84ms. Allocated memory is still 102.8MB. Free memory was 58.1MB in the beginning and 45.7MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1425.48ms. Allocated memory was 102.8MB in the beginning and 123.7MB in the end (delta: 21.0MB). Free memory was 45.3MB in the beginning and 86.9MB in the end (delta: -41.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.31ms. Allocated memory is still 123.7MB. Free memory was 86.9MB in the beginning and 86.4MB in the end (delta: 432.6kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 259, positive: 232, positive conditional: 50, positive unconditional: 182, negative: 27, negative conditional: 12, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 252, positive: 232, positive conditional: 50, positive unconditional: 182, negative: 20, negative conditional: 5, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 252, positive: 232, positive conditional: 50, positive unconditional: 182, negative: 20, negative conditional: 5, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 254, positive: 232, positive conditional: 31, positive unconditional: 201, negative: 22, negative conditional: 2, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 254, positive: 232, positive conditional: 27, positive unconditional: 205, negative: 22, negative conditional: 2, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 254, positive: 232, positive conditional: 27, positive unconditional: 205, negative: 22, negative conditional: 2, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 200, positive: 183, positive conditional: 1, positive unconditional: 182, negative: 17, negative conditional: 1, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 200, positive: 165, positive conditional: 0, positive unconditional: 165, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 18, positive conditional: 1, positive unconditional: 17, negative: 17, negative conditional: 1, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 172, positive: 80, positive conditional: 26, positive unconditional: 54, negative: 92, negative conditional: 8, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 254, positive: 49, positive conditional: 26, positive unconditional: 23, negative: 5, negative conditional: 1, negative unconditional: 4, unknown: 200, unknown conditional: 2, unknown unconditional: 198] , Statistics on independence cache: Total cache size (in pairs): 200, Positive cache size: 183, Positive conditional cache size: 1, Positive unconditional cache size: 182, Negative cache size: 17, Negative conditional cache size: 1, Negative unconditional cache size: 16, Eliminated conditions: 4, Maximal queried relation: 1, Independence queries for same thread: 7 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.2s, Number of persistent set computation: 42, Number of trivial persistent sets: 39, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 197, positive: 182, positive conditional: 0, positive unconditional: 182, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 259, positive: 232, positive conditional: 50, positive unconditional: 182, negative: 27, negative conditional: 12, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 252, positive: 232, positive conditional: 50, positive unconditional: 182, negative: 20, negative conditional: 5, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 252, positive: 232, positive conditional: 50, positive unconditional: 182, negative: 20, negative conditional: 5, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 254, positive: 232, positive conditional: 31, positive unconditional: 201, negative: 22, negative conditional: 2, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 254, positive: 232, positive conditional: 27, positive unconditional: 205, negative: 22, negative conditional: 2, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 254, positive: 232, positive conditional: 27, positive unconditional: 205, negative: 22, negative conditional: 2, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 200, positive: 183, positive conditional: 1, positive unconditional: 182, negative: 17, negative conditional: 1, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 200, positive: 165, positive conditional: 0, positive unconditional: 165, negative: 35, negative conditional: 0, negative unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 35, positive: 18, positive conditional: 1, positive unconditional: 17, negative: 17, negative conditional: 1, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 172, positive: 80, positive conditional: 26, positive unconditional: 54, negative: 92, negative conditional: 8, negative unconditional: 84, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 254, positive: 49, positive conditional: 26, positive unconditional: 23, negative: 5, negative conditional: 1, negative unconditional: 4, unknown: 200, unknown conditional: 2, unknown unconditional: 198] , Statistics on independence cache: Total cache size (in pairs): 200, Positive cache size: 183, Positive conditional cache size: 1, Positive unconditional cache size: 182, Negative cache size: 17, Negative conditional cache size: 1, Negative unconditional cache size: 16, Eliminated conditions: 4, Maximal queried relation: 1, Independence queries for same thread: 7 - 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 - DataRaceFoundResult [Line: 923]: Data race detected Data race detected The following path leads to a data race: [L918-L921] 0 struct { int x; int y; } data; VAL [data={1:0}] [L927] 0 int *i,j = __VERIFIER_nondet_int(); VAL [data={1:0}] [L927] 0 int *i,j = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=1, data={1:0}, j=1] [L928] 0 pthread_t id; VAL [data={1:0}, id={5:0}, j=1] [L929] COND TRUE 0 \read(j) VAL [data={1:0}, id={5:0}, j=1] [L929] 0 i = &data.x VAL [data={1:0}, i={1:0}, id={5:0}, j=1] [L931] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, i={1:0}, id={5:0}, j=1, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L923] EXPR 1 data.x VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0] [L923] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=9data.x++=0] [L932] EXPR 0 \read(*i) VAL [\read(*i)=1, arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=9, data.x++=0, i={1:0}, id={5:0}, j=1] [L932] 0 (*i)++ VAL [\read(*i)=1, arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=9, data.x++=0, i={1:0}, id={5:0}, j=1] [L923] 1 data.x++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data.x=0, data.x++=9data.x++=0] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: data.x++ [923] * C: data.x++ [923] * C: data.x++ [923] * C: data.x++ [923] * C: (*i)++ [932] and C: data.x++ [923] - UnprovableResult [Line: 923]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 99 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.4s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, 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, 0.4s InterpolantComputationTime, 110 NumberOfCodeBlocks, 110 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 66 ConstructedInterpolants, 0 QuantifiedInterpolants, 288 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 could not prove your program: unable to determine feasibility of some traces [2021-11-20 07:45:42,243 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88af71c2-06a6-4470-9b7b-6e52f56148a0/bin/ugemcutter-b9s2R6iq4d/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2021-11-20 07:45:42,443 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_88af71c2-06a6-4470-9b7b-6e52f56148a0/bin/ugemcutter-b9s2R6iq4d/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