./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/05-lval_ls_05-glob_idx_rc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbdc846-af03-4899-b154-b7e78efba216/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbdc846-af03-4899-b154-b7e78efba216/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbdc846-af03-4899-b154-b7e78efba216/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbdc846-af03-4899-b154-b7e78efba216/bin/uautomizer-J5u9QxTXDZ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/05-lval_ls_05-glob_idx_rc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbdc846-af03-4899-b154-b7e78efba216/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbdc846-af03-4899-b154-b7e78efba216/bin/uautomizer-J5u9QxTXDZ --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2fcc1dcc31779a35e2f35b3e877295c0d57fe6307bda5e3a2aea7571c9345e88 --- 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-dbf71c6-m [2022-10-17 10:27:38,125 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 10:27:38,128 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 10:27:38,179 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 10:27:38,180 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 10:27:38,184 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 10:27:38,187 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 10:27:38,192 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 10:27:38,195 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 10:27:38,200 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 10:27:38,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 10:27:38,204 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 10:27:38,205 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 10:27:38,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 10:27:38,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 10:27:38,211 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 10:27:38,213 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 10:27:38,214 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 10:27:38,216 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 10:27:38,223 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 10:27:38,225 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 10:27:38,227 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 10:27:38,230 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 10:27:38,231 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 10:27:38,241 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 10:27:38,241 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 10:27:38,242 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 10:27:38,244 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 10:27:38,244 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 10:27:38,246 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 10:27:38,246 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 10:27:38,247 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 10:27:38,249 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 10:27:38,251 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 10:27:38,253 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 10:27:38,253 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 10:27:38,253 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 10:27:38,254 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 10:27:38,254 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 10:27:38,255 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 10:27:38,256 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 10:27:38,257 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbdc846-af03-4899-b154-b7e78efba216/bin/uautomizer-J5u9QxTXDZ/config/svcomp-DataRace-32bit-Automizer_Default.epf [2022-10-17 10:27:38,301 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 10:27:38,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 10:27:38,302 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 10:27:38,303 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 10:27:38,304 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 10:27:38,304 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-10-17 10:27:38,305 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 10:27:38,305 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 10:27:38,305 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 10:27:38,305 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 10:27:38,306 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 10:27:38,307 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 10:27:38,307 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 10:27:38,307 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 10:27:38,307 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 10:27:38,308 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 10:27:38,308 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 10:27:38,308 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 10:27:38,308 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-10-17 10:27:38,308 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 10:27:38,309 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 10:27:38,309 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 10:27:38,309 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 10:27:38,309 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 10:27:38,310 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 10:27:38,310 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-10-17 10:27:38,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:27:38,311 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 10:27:38,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 10:27:38,311 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 10:27:38,311 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 10:27:38,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 10:27:38,312 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-10-17 10:27:38,312 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-10-17 10:27:38,312 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 10:27:38,313 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_2dbdc846-af03-4899-b154-b7e78efba216/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbdc846-af03-4899-b154-b7e78efba216/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2fcc1dcc31779a35e2f35b3e877295c0d57fe6307bda5e3a2aea7571c9345e88 [2022-10-17 10:27:38,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 10:27:38,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 10:27:38,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 10:27:38,629 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 10:27:38,630 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 10:27:38,631 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbdc846-af03-4899-b154-b7e78efba216/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/goblint-regression/05-lval_ls_05-glob_idx_rc.i [2022-10-17 10:27:38,722 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbdc846-af03-4899-b154-b7e78efba216/bin/uautomizer-J5u9QxTXDZ/data/3025ff07c/c73a42ef183243b8bbe3dec53c7eb144/FLAG54a536af8 [2022-10-17 10:27:39,292 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 10:27:39,292 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbdc846-af03-4899-b154-b7e78efba216/sv-benchmarks/c/goblint-regression/05-lval_ls_05-glob_idx_rc.i [2022-10-17 10:27:39,310 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbdc846-af03-4899-b154-b7e78efba216/bin/uautomizer-J5u9QxTXDZ/data/3025ff07c/c73a42ef183243b8bbe3dec53c7eb144/FLAG54a536af8 [2022-10-17 10:27:39,567 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbdc846-af03-4899-b154-b7e78efba216/bin/uautomizer-J5u9QxTXDZ/data/3025ff07c/c73a42ef183243b8bbe3dec53c7eb144 [2022-10-17 10:27:39,569 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 10:27:39,571 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 10:27:39,574 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 10:27:39,575 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 10:27:39,578 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 10:27:39,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:27:39" (1/1) ... [2022-10-17 10:27:39,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@696bc008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:27:39, skipping insertion in model container [2022-10-17 10:27:39,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 10:27:39" (1/1) ... [2022-10-17 10:27:39,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 10:27:39,655 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 10:27:39,988 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:27:39,998 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 10:27:40,037 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 10:27:40,075 INFO L208 MainTranslator]: Completed translation [2022-10-17 10:27:40,075 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:27:40 WrapperNode [2022-10-17 10:27:40,076 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 10:27:40,077 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 10:27:40,077 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 10:27:40,077 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 10:27:40,086 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:27:40" (1/1) ... [2022-10-17 10:27:40,101 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:27:40" (1/1) ... [2022-10-17 10:27:40,124 INFO L138 Inliner]: procedures = 160, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 38 [2022-10-17 10:27:40,126 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 10:27:40,126 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 10:27:40,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 10:27:40,127 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 10:27:40,136 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:27:40" (1/1) ... [2022-10-17 10:27:40,136 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:27:40" (1/1) ... [2022-10-17 10:27:40,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:27:40" (1/1) ... [2022-10-17 10:27:40,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:27:40" (1/1) ... [2022-10-17 10:27:40,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:27:40" (1/1) ... [2022-10-17 10:27:40,179 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:27:40" (1/1) ... [2022-10-17 10:27:40,182 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:27:40" (1/1) ... [2022-10-17 10:27:40,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:27:40" (1/1) ... [2022-10-17 10:27:40,191 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 10:27:40,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 10:27:40,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 10:27:40,200 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 10:27:40,201 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:27:40" (1/1) ... [2022-10-17 10:27:40,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-10-17 10:27:40,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbdc846-af03-4899-b154-b7e78efba216/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 10:27:40,248 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbdc846-af03-4899-b154-b7e78efba216/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-10-17 10:27:40,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbdc846-af03-4899-b154-b7e78efba216/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-10-17 10:27:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 10:27:40,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 10:27:40,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 10:27:40,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 10:27:40,306 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-10-17 10:27:40,306 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-10-17 10:27:40,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 10:27:40,306 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 10:27:40,306 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 10:27:40,308 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-10-17 10:27:40,504 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 10:27:40,516 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 10:27:40,734 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 10:27:40,742 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 10:27:40,742 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 10:27:40,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:27:40 BoogieIcfgContainer [2022-10-17 10:27:40,744 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 10:27:40,746 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-10-17 10:27:40,747 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-10-17 10:27:40,750 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-10-17 10:27:40,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.10 10:27:39" (1/3) ... [2022-10-17 10:27:40,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@259fac7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:27:40, skipping insertion in model container [2022-10-17 10:27:40,751 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 10:27:40" (2/3) ... [2022-10-17 10:27:40,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@259fac7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.10 10:27:40, skipping insertion in model container [2022-10-17 10:27:40,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:27:40" (3/3) ... [2022-10-17 10:27:40,754 INFO L112 eAbstractionObserver]: Analyzing ICFG 05-lval_ls_05-glob_idx_rc.i [2022-10-17 10:27:40,763 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-10-17 10:27:40,773 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-10-17 10:27:40,773 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-10-17 10:27:40,774 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-10-17 10:27:40,856 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-10-17 10:27:40,906 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 70 places, 66 transitions, 137 flow [2022-10-17 10:27:40,946 INFO L130 PetriNetUnfolder]: 0/65 cut-off events. [2022-10-17 10:27:40,947 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-10-17 10:27:40,948 INFO L83 FinitePrefix]: Finished finitePrefix Result has 69 conditions, 65 events. 0/65 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 0/61 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place. [2022-10-17 10:27:40,948 INFO L82 GeneralOperation]: Start removeDead. Operand has 70 places, 66 transitions, 137 flow [2022-10-17 10:27:40,953 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 69 places, 65 transitions, 133 flow [2022-10-17 10:27:40,976 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-10-17 10:27:40,985 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;@75a5457e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-10-17 10:27:40,985 INFO L358 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-10-17 10:27:41,010 INFO L130 PetriNetUnfolder]: 0/29 cut-off events. [2022-10-17 10:27:41,011 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-10-17 10:27:41,011 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:27:41,011 INFO L208 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] [2022-10-17 10:27:41,012 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-10-17 10:27:41,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:27:41,018 INFO L85 PathProgramCache]: Analyzing trace with hash 235354999, now seen corresponding path program 1 times [2022-10-17 10:27:41,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:27:41,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527055886] [2022-10-17 10:27:41,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:27:41,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:27:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:41,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:27:41,851 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:27:41,852 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527055886] [2022-10-17 10:27:41,853 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527055886] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:27:41,854 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:27:41,855 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:27:41,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534348916] [2022-10-17 10:27:41,858 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:27:41,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:27:41,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:27:41,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:27:41,902 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:27:41,906 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 35 out of 66 [2022-10-17 10:27:41,910 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 69 places, 65 transitions, 133 flow. Second operand has 6 states, 6 states have (on average 36.5) internal successors, (219), 6 states have internal predecessors, (219), 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) [2022-10-17 10:27:41,910 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:27:41,910 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 35 of 66 [2022-10-17 10:27:41,911 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 10:27:42,488 INFO L130 PetriNetUnfolder]: 331/1023 cut-off events. [2022-10-17 10:27:42,488 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-10-17 10:27:42,494 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1743 conditions, 1023 events. 331/1023 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 72. Compared 6477 event pairs, 77 based on Foata normal form. 0/921 useless extension candidates. Maximal degree in co-relation 1719. Up to 288 conditions per place. [2022-10-17 10:27:42,502 INFO L137 encePairwiseOnDemand]: 44/66 looper letters, 99 selfloop transitions, 42 changer transitions 0/175 dead transitions. [2022-10-17 10:27:42,503 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 74 places, 175 transitions, 635 flow [2022-10-17 10:27:42,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:27:42,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-10-17 10:27:42,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 353 transitions. [2022-10-17 10:27:42,519 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.8914141414141414 [2022-10-17 10:27:42,520 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 353 transitions. [2022-10-17 10:27:42,521 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 353 transitions. [2022-10-17 10:27:42,523 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:27:42,525 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 353 transitions. [2022-10-17 10:27:42,530 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 58.833333333333336) internal successors, (353), 6 states have internal predecessors, (353), 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) [2022-10-17 10:27:42,536 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 66.0) internal successors, (462), 7 states have internal predecessors, (462), 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) [2022-10-17 10:27:42,537 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 66.0) internal successors, (462), 7 states have internal predecessors, (462), 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) [2022-10-17 10:27:42,539 INFO L175 Difference]: Start difference. First operand has 69 places, 65 transitions, 133 flow. Second operand 6 states and 353 transitions. [2022-10-17 10:27:42,540 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 74 places, 175 transitions, 635 flow [2022-10-17 10:27:42,544 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 73 places, 175 transitions, 634 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-10-17 10:27:42,549 INFO L231 Difference]: Finished difference. Result has 78 places, 111 transitions, 448 flow [2022-10-17 10:27:42,551 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=68, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=65, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=8, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=448, PETRI_PLACES=78, PETRI_TRANSITIONS=111} [2022-10-17 10:27:42,555 INFO L287 CegarLoopForPetriNet]: 69 programPoint places, 9 predicate places. [2022-10-17 10:27:42,556 INFO L495 AbstractCegarLoop]: Abstraction has has 78 places, 111 transitions, 448 flow [2022-10-17 10:27:42,556 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 36.5) internal successors, (219), 6 states have internal predecessors, (219), 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) [2022-10-17 10:27:42,556 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:27:42,556 INFO L208 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] [2022-10-17 10:27:42,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-10-17 10:27:42,557 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-10-17 10:27:42,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:27:42,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1226203516, now seen corresponding path program 1 times [2022-10-17 10:27:42,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:27:42,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767381138] [2022-10-17 10:27:42,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:27:42,559 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:27:42,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:42,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:27:42,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:27:42,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767381138] [2022-10-17 10:27:42,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767381138] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:27:42,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:27:42,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:27:42,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923478110] [2022-10-17 10:27:42,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:27:42,934 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:27:42,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:27:42,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:27:42,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:27:42,941 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 33 out of 66 [2022-10-17 10:27:42,941 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 78 places, 111 transitions, 448 flow. Second operand has 6 states, 6 states have (on average 35.666666666666664) internal successors, (214), 6 states have internal predecessors, (214), 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) [2022-10-17 10:27:42,942 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:27:42,942 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 33 of 66 [2022-10-17 10:27:42,942 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 10:27:43,566 INFO L130 PetriNetUnfolder]: 501/1410 cut-off events. [2022-10-17 10:27:43,566 INFO L131 PetriNetUnfolder]: For 590/590 co-relation queries the response was YES. [2022-10-17 10:27:43,570 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3601 conditions, 1410 events. 501/1410 cut-off events. For 590/590 co-relation queries the response was YES. Maximal size of possible extension queue 99. Compared 9450 event pairs, 152 based on Foata normal form. 23/1432 useless extension candidates. Maximal degree in co-relation 3573. Up to 717 conditions per place. [2022-10-17 10:27:43,579 INFO L137 encePairwiseOnDemand]: 49/66 looper letters, 114 selfloop transitions, 53 changer transitions 3/202 dead transitions. [2022-10-17 10:27:43,587 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 83 places, 202 transitions, 1164 flow [2022-10-17 10:27:43,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:27:43,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-10-17 10:27:43,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 308 transitions. [2022-10-17 10:27:43,593 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7777777777777778 [2022-10-17 10:27:43,593 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 308 transitions. [2022-10-17 10:27:43,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 308 transitions. [2022-10-17 10:27:43,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:27:43,594 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 308 transitions. [2022-10-17 10:27:43,596 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 51.333333333333336) internal successors, (308), 6 states have internal predecessors, (308), 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) [2022-10-17 10:27:43,600 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 66.0) internal successors, (462), 7 states have internal predecessors, (462), 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) [2022-10-17 10:27:43,600 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 66.0) internal successors, (462), 7 states have internal predecessors, (462), 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) [2022-10-17 10:27:43,601 INFO L175 Difference]: Start difference. First operand has 78 places, 111 transitions, 448 flow. Second operand 6 states and 308 transitions. [2022-10-17 10:27:43,601 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 83 places, 202 transitions, 1164 flow [2022-10-17 10:27:43,613 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 202 transitions, 1164 flow, removed 0 selfloop flow, removed 0 redundant places. [2022-10-17 10:27:43,619 INFO L231 Difference]: Finished difference. Result has 88 places, 162 transitions, 954 flow [2022-10-17 10:27:43,619 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=448, PETRI_DIFFERENCE_MINUEND_PLACES=78, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=14, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=82, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=954, PETRI_PLACES=88, PETRI_TRANSITIONS=162} [2022-10-17 10:27:43,620 INFO L287 CegarLoopForPetriNet]: 69 programPoint places, 19 predicate places. [2022-10-17 10:27:43,621 INFO L495 AbstractCegarLoop]: Abstraction has has 88 places, 162 transitions, 954 flow [2022-10-17 10:27:43,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 35.666666666666664) internal successors, (214), 6 states have internal predecessors, (214), 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) [2022-10-17 10:27:43,621 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:27:43,622 INFO L208 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] [2022-10-17 10:27:43,622 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-10-17 10:27:43,623 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-10-17 10:27:43,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:27:43,623 INFO L85 PathProgramCache]: Analyzing trace with hash -804616287, now seen corresponding path program 1 times [2022-10-17 10:27:43,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:27:43,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792585111] [2022-10-17 10:27:43,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:27:43,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:27:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 10:27:44,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 10:27:44,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-10-17 10:27:44,061 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792585111] [2022-10-17 10:27:44,062 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792585111] provided 1 perfect and 0 imperfect interpolant sequences [2022-10-17 10:27:44,064 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-10-17 10:27:44,064 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-10-17 10:27:44,064 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457893739] [2022-10-17 10:27:44,064 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-10-17 10:27:44,066 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-10-17 10:27:44,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-10-17 10:27:44,066 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-10-17 10:27:44,067 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-10-17 10:27:44,068 INFO L477 CegarLoopForPetriNet]: Number of universal loopers: 32 out of 66 [2022-10-17 10:27:44,068 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 88 places, 162 transitions, 954 flow. Second operand has 6 states, 6 states have (on average 34.833333333333336) internal successors, (209), 6 states have internal predecessors, (209), 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) [2022-10-17 10:27:44,069 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-10-17 10:27:44,069 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 32 of 66 [2022-10-17 10:27:44,069 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-10-17 10:27:44,707 INFO L130 PetriNetUnfolder]: 611/1699 cut-off events. [2022-10-17 10:27:44,707 INFO L131 PetriNetUnfolder]: For 1997/2000 co-relation queries the response was YES. [2022-10-17 10:27:44,715 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5455 conditions, 1699 events. 611/1699 cut-off events. For 1997/2000 co-relation queries the response was YES. Maximal size of possible extension queue 123. Compared 11990 event pairs, 163 based on Foata normal form. 28/1721 useless extension candidates. Maximal degree in co-relation 5421. Up to 909 conditions per place. [2022-10-17 10:27:44,726 INFO L137 encePairwiseOnDemand]: 49/66 looper letters, 134 selfloop transitions, 58 changer transitions 36/262 dead transitions. [2022-10-17 10:27:44,727 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 93 places, 262 transitions, 1966 flow [2022-10-17 10:27:44,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-10-17 10:27:44,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2022-10-17 10:27:44,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 303 transitions. [2022-10-17 10:27:44,729 INFO L522 CegarLoopForPetriNet]: DFA transition density 0.7651515151515151 [2022-10-17 10:27:44,730 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 303 transitions. [2022-10-17 10:27:44,730 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 303 transitions. [2022-10-17 10:27:44,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-10-17 10:27:44,731 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 303 transitions. [2022-10-17 10:27:44,732 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 50.5) internal successors, (303), 6 states have internal predecessors, (303), 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) [2022-10-17 10:27:44,734 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 66.0) internal successors, (462), 7 states have internal predecessors, (462), 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) [2022-10-17 10:27:44,735 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 66.0) internal successors, (462), 7 states have internal predecessors, (462), 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) [2022-10-17 10:27:44,735 INFO L175 Difference]: Start difference. First operand has 88 places, 162 transitions, 954 flow. Second operand 6 states and 303 transitions. [2022-10-17 10:27:44,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 93 places, 262 transitions, 1966 flow [2022-10-17 10:27:44,751 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 93 places, 262 transitions, 1958 flow, removed 4 selfloop flow, removed 0 redundant places. [2022-10-17 10:27:44,760 INFO L231 Difference]: Finished difference. Result has 97 places, 189 transitions, 1354 flow [2022-10-17 10:27:44,760 INFO L270 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=946, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=162, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=26, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=125, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1354, PETRI_PLACES=97, PETRI_TRANSITIONS=189} [2022-10-17 10:27:44,763 INFO L287 CegarLoopForPetriNet]: 69 programPoint places, 28 predicate places. [2022-10-17 10:27:44,763 INFO L495 AbstractCegarLoop]: Abstraction has has 97 places, 189 transitions, 1354 flow [2022-10-17 10:27:44,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 34.833333333333336) internal successors, (209), 6 states have internal predecessors, (209), 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) [2022-10-17 10:27:44,764 INFO L200 CegarLoopForPetriNet]: Found error trace [2022-10-17 10:27:44,764 INFO L208 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] [2022-10-17 10:27:44,765 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-10-17 10:27:44,765 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] === [2022-10-17 10:27:44,766 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 10:27:44,766 INFO L85 PathProgramCache]: Analyzing trace with hash 285753489, now seen corresponding path program 1 times [2022-10-17 10:27:44,766 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 10:27:44,766 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [84485648] [2022-10-17 10:27:44,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 10:27:44,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 10:27:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:27:44,817 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 10:27:44,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 10:27:44,870 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 10:27:44,871 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-10-17 10:27:44,872 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-10-17 10:27:44,875 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-10-17 10:27:44,876 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining) [2022-10-17 10:27:44,880 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-10-17 10:27:44,881 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-10-17 10:27:44,882 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-10-17 10:27:44,882 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-10-17 10:27:44,882 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-10-17 10:27:44,883 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-10-17 10:27:44,893 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-10-17 10:27:44,893 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-10-17 10:27:44,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.10 10:27:44 BasicIcfg [2022-10-17 10:27:44,961 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-10-17 10:27:44,963 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 10:27:44,963 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 10:27:44,963 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 10:27:44,964 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 10:27:40" (3/4) ... [2022-10-17 10:27:44,970 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-10-17 10:27:44,970 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 10:27:44,974 INFO L158 Benchmark]: Toolchain (without parser) took 5400.45ms. Allocated memory was 102.8MB in the beginning and 151.0MB in the end (delta: 48.2MB). Free memory was 65.4MB in the beginning and 64.5MB in the end (delta: 826.5kB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2022-10-17 10:27:44,975 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 102.8MB. Free memory was 74.0MB in the beginning and 73.9MB in the end (delta: 30.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:27:44,978 INFO L158 Benchmark]: CACSL2BoogieTranslator took 501.64ms. Allocated memory was 102.8MB in the beginning and 125.8MB in the end (delta: 23.1MB). Free memory was 65.2MB in the beginning and 89.3MB in the end (delta: -24.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 10:27:44,979 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.95ms. Allocated memory is still 125.8MB. Free memory was 89.3MB in the beginning and 87.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:27:44,979 INFO L158 Benchmark]: Boogie Preprocessor took 71.68ms. Allocated memory is still 125.8MB. Free memory was 87.2MB in the beginning and 85.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 10:27:44,980 INFO L158 Benchmark]: RCFGBuilder took 545.41ms. Allocated memory is still 125.8MB. Free memory was 85.5MB in the beginning and 72.2MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 10:27:44,980 INFO L158 Benchmark]: TraceAbstraction took 4215.00ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 71.4MB in the beginning and 65.6MB in the end (delta: 5.8MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2022-10-17 10:27:44,983 INFO L158 Benchmark]: Witness Printer took 7.84ms. Allocated memory is still 151.0MB. Free memory was 65.6MB in the beginning and 64.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 10:27:44,990 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 102.8MB. Free memory was 74.0MB in the beginning and 73.9MB in the end (delta: 30.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 501.64ms. Allocated memory was 102.8MB in the beginning and 125.8MB in the end (delta: 23.1MB). Free memory was 65.2MB in the beginning and 89.3MB in the end (delta: -24.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.95ms. Allocated memory is still 125.8MB. Free memory was 89.3MB in the beginning and 87.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.68ms. Allocated memory is still 125.8MB. Free memory was 87.2MB in the beginning and 85.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 545.41ms. Allocated memory is still 125.8MB. Free memory was 85.5MB in the beginning and 72.2MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 4215.00ms. Allocated memory was 125.8MB in the beginning and 151.0MB in the end (delta: 25.2MB). Free memory was 71.4MB in the beginning and 65.6MB in the end (delta: 5.8MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. * Witness Printer took 7.84ms. Allocated memory is still 151.0MB. Free memory was 65.6MB in the beginning and 64.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - DataRaceFoundResult [Line: 687]: Data race detected Data race detected The following path leads to a data race: [L679] 0 int data[10]; VAL [data={1:0}] [L685] 0 pthread_t id; VAL [data={1:0}, id={2:0}] [L686] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [arg={0:0}, data={1:0}, id={2:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L687] EXPR 0 data[4] VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0, id={2:0}] [L681] EXPR 1 data[4] VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0] [L681] 1 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0] [L687] 0 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0, data[4]=0, id={2:0}] [L681] 1 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0, data[4]++=0] [L687] 0 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0, data[4]=0, data[4]++=0, id={2:0}] [L687] 0 data[4]++ VAL [arg={0:0}, arg={0:0}, data={1:0}, data[4]=0, data[4]=0, data[4]++=41, data[4]++=0, id={2:0}] Now there is a data race (on the heap) between C: data[4]++ [681] and C: data[4]++ [687] - UnprovableResult [Line: 687]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 686]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 681]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 681]: 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 with 1 thread instances CFG has 3 procedures, 91 locations, 7 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: 4.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 84 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 84 mSDsluCounter, 73 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 106 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 674 IncrementalHoareTripleChecker+Invalid, 780 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 106 mSolverCounterUnsat, 73 mSDtfsCounter, 674 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1354occurred in iteration=3, InterpolantAutomatonStates: 18, 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, 1.4s InterpolantComputationTime, 121 NumberOfCodeBlocks, 121 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 83 ConstructedInterpolants, 0 QuantifiedInterpolants, 350 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 [2022-10-17 10:27:45,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2dbdc846-af03-4899-b154-b7e78efba216/bin/uautomizer-J5u9QxTXDZ/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