./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_78-equ_racing-overflow.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac140280-a173-4e16-8f7f-f26181c9e52d/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac140280-a173-4e16-8f7f-f26181c9e52d/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac140280-a173-4e16-8f7f-f26181c9e52d/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac140280-a173-4e16-8f7f-f26181c9e52d/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_78-equ_racing-overflow.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac140280-a173-4e16-8f7f-f26181c9e52d/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac140280-a173-4e16-8f7f-f26181c9e52d/bin/utaipan-g80aRyZoba --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8e4241de9ab6aaee40e34a0aea220f2af2541cd79c1f3c4ee08672ad0bf05f65 --- 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-b5237d8 [2022-11-22 01:21:45,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:21:45,367 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:21:45,394 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:21:45,394 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:21:45,398 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:21:45,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:21:45,405 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:21:45,407 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:21:45,413 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:21:45,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:21:45,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:21:45,418 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:21:45,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:21:45,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:21:45,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:21:45,425 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:21:45,426 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:21:45,428 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:21:45,430 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:21:45,431 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:21:45,433 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:21:45,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:21:45,435 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:21:45,439 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:21:45,439 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:21:45,439 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:21:45,440 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:21:45,441 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:21:45,442 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:21:45,442 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:21:45,443 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:21:45,444 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:21:45,445 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:21:45,446 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:21:45,446 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:21:45,447 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:21:45,447 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:21:45,448 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:21:45,449 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:21:45,450 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:21:45,451 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac140280-a173-4e16-8f7f-f26181c9e52d/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-22 01:21:45,477 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:21:45,478 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:21:45,478 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:21:45,478 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:21:45,479 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:21:45,479 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:21:45,480 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:21:45,480 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:21:45,480 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:21:45,480 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:21:45,480 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:21:45,481 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:21:45,481 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:21:45,481 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:21:45,481 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:21:45,482 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:21:45,482 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:21:45,482 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:21:45,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:21:45,483 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 01:21:45,483 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:21:45,483 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:21:45,484 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 01:21:45,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:21:45,484 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:21:45,484 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:21:45,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:21:45,485 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 01:21:45,485 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 01:21:45,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:21:45,485 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:21:45,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:21:45,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:21:45,486 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:21:45,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:21:45,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:21:45,487 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:21:45,487 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:21:45,487 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:21:45,488 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:21:45,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:21:45,488 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:21:45,488 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:21:45,488 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_ac140280-a173-4e16-8f7f-f26181c9e52d/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac140280-a173-4e16-8f7f-f26181c9e52d/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8e4241de9ab6aaee40e34a0aea220f2af2541cd79c1f3c4ee08672ad0bf05f65 [2022-11-22 01:21:45,755 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:21:45,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:21:45,782 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:21:45,784 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:21:45,784 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:21:45,786 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac140280-a173-4e16-8f7f-f26181c9e52d/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/goblint-regression/28-race_reach_78-equ_racing-overflow.i [2022-11-22 01:21:48,936 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:21:49,263 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:21:49,264 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac140280-a173-4e16-8f7f-f26181c9e52d/sv-benchmarks/c/goblint-regression/28-race_reach_78-equ_racing-overflow.i [2022-11-22 01:21:49,279 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac140280-a173-4e16-8f7f-f26181c9e52d/bin/utaipan-g80aRyZoba/data/33a8c7a1d/4c9778bceab84f91ae67f2dba09e1e44/FLAGc38d90479 [2022-11-22 01:21:49,301 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac140280-a173-4e16-8f7f-f26181c9e52d/bin/utaipan-g80aRyZoba/data/33a8c7a1d/4c9778bceab84f91ae67f2dba09e1e44 [2022-11-22 01:21:49,304 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:21:49,306 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:21:49,307 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:21:49,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:21:49,312 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:21:49,313 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:21:49" (1/1) ... [2022-11-22 01:21:49,315 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17894b91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:21:49, skipping insertion in model container [2022-11-22 01:21:49,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:21:49" (1/1) ... [2022-11-22 01:21:49,323 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:21:49,367 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:21:49,917 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac140280-a173-4e16-8f7f-f26181c9e52d/sv-benchmarks/c/goblint-regression/28-race_reach_78-equ_racing-overflow.i[47038,47051] [2022-11-22 01:21:49,972 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:21:49,989 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:21:50,039 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac140280-a173-4e16-8f7f-f26181c9e52d/sv-benchmarks/c/goblint-regression/28-race_reach_78-equ_racing-overflow.i[47038,47051] [2022-11-22 01:21:50,052 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:21:50,112 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:21:50,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:21:50 WrapperNode [2022-11-22 01:21:50,113 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:21:50,114 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:21:50,115 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:21:50,115 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:21:50,123 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:21:50" (1/1) ... [2022-11-22 01:21:50,152 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:21:50" (1/1) ... [2022-11-22 01:21:50,208 INFO L138 Inliner]: procedures = 271, calls = 56, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 214 [2022-11-22 01:21:50,210 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:21:50,211 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:21:50,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:21:50,213 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:21:50,224 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:21:50" (1/1) ... [2022-11-22 01:21:50,225 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:21:50" (1/1) ... [2022-11-22 01:21:50,242 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:21:50" (1/1) ... [2022-11-22 01:21:50,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:21:50" (1/1) ... [2022-11-22 01:21:50,254 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:21:50" (1/1) ... [2022-11-22 01:21:50,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:21:50" (1/1) ... [2022-11-22 01:21:50,274 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:21:50" (1/1) ... [2022-11-22 01:21:50,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:21:50" (1/1) ... [2022-11-22 01:21:50,286 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:21:50,287 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:21:50,287 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:21:50,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:21:50,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:21:50" (1/1) ... [2022-11-22 01:21:50,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:21:50,331 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac140280-a173-4e16-8f7f-f26181c9e52d/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:21:50,350 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac140280-a173-4e16-8f7f-f26181c9e52d/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:21:50,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac140280-a173-4e16-8f7f-f26181c9e52d/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:21:50,426 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:21:50,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:21:50,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:21:50,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:21:50,427 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-22 01:21:50,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:21:50,428 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-22 01:21:50,428 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-22 01:21:50,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:21:50,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:21:50,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:21:50,430 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-22 01:21:50,650 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:21:50,651 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:21:51,020 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:21:51,031 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:21:51,032 INFO L300 CfgBuilder]: Removed 22 assume(true) statements. [2022-11-22 01:21:51,034 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:21:51 BoogieIcfgContainer [2022-11-22 01:21:51,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:21:51,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:21:51,038 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:21:51,041 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:21:51,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:21:49" (1/3) ... [2022-11-22 01:21:51,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b5299ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:21:51, skipping insertion in model container [2022-11-22 01:21:51,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:21:50" (2/3) ... [2022-11-22 01:21:51,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b5299ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:21:51, skipping insertion in model container [2022-11-22 01:21:51,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:21:51" (3/3) ... [2022-11-22 01:21:51,045 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_78-equ_racing-overflow.i [2022-11-22 01:21:51,055 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-22 01:21:51,068 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:21:51,068 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-11-22 01:21:51,068 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-22 01:21:51,181 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-22 01:21:51,265 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-22 01:21:51,302 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 208 places, 233 transitions, 474 flow [2022-11-22 01:21:51,315 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 208 places, 233 transitions, 474 flow [2022-11-22 01:21:51,317 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 208 places, 233 transitions, 474 flow [2022-11-22 01:21:51,449 INFO L130 PetriNetUnfolder]: 42/312 cut-off events. [2022-11-22 01:21:51,449 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-22 01:21:51,457 INFO L83 FinitePrefix]: Finished finitePrefix Result has 318 conditions, 312 events. 42/312 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1046 event pairs, 0 based on Foata normal form. 0/247 useless extension candidates. Maximal degree in co-relation 153. Up to 8 conditions per place. [2022-11-22 01:21:51,465 INFO L119 LiptonReduction]: Number of co-enabled transitions 11570 [2022-11-22 01:22:04,325 INFO L134 LiptonReduction]: Checked pairs total: 26634 [2022-11-22 01:22:04,325 INFO L136 LiptonReduction]: Total number of compositions: 249 [2022-11-22 01:22:04,334 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 60 places, 81 transitions, 170 flow [2022-11-22 01:22:04,403 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 647 states, 592 states have (on average 3.045608108108108) internal successors, (1803), 646 states have internal predecessors, (1803), 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) [2022-11-22 01:22:04,431 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:22:04,438 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=FINITE_AUTOMATA, 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;@259a080, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:22:04,438 INFO L358 AbstractCegarLoop]: Starting to check reachability of 21 error locations. [2022-11-22 01:22:04,443 INFO L276 IsEmpty]: Start isEmpty. Operand has 647 states, 592 states have (on average 3.045608108108108) internal successors, (1803), 646 states have internal predecessors, (1803), 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) [2022-11-22 01:22:04,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-22 01:22:04,448 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:22:04,448 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-22 01:22:04,449 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] === [2022-11-22 01:22:04,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:22:04,454 INFO L85 PathProgramCache]: Analyzing trace with hash 915, now seen corresponding path program 1 times [2022-11-22 01:22:04,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:22:04,465 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1604708907] [2022-11-22 01:22:04,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:22:04,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:22:04,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:22:04,576 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-22 01:22:04,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-22 01:22:04,616 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-22 01:22:04,618 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-22 01:22:04,620 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 21 remaining) [2022-11-22 01:22:04,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 21 remaining) [2022-11-22 01:22:04,622 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 21 remaining) [2022-11-22 01:22:04,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 21 remaining) [2022-11-22 01:22:04,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 21 remaining) [2022-11-22 01:22:04,623 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 21 remaining) [2022-11-22 01:22:04,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 21 remaining) [2022-11-22 01:22:04,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 21 remaining) [2022-11-22 01:22:04,624 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 21 remaining) [2022-11-22 01:22:04,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 21 remaining) [2022-11-22 01:22:04,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 21 remaining) [2022-11-22 01:22:04,625 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 21 remaining) [2022-11-22 01:22:04,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 21 remaining) [2022-11-22 01:22:04,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 21 remaining) [2022-11-22 01:22:04,626 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 21 remaining) [2022-11-22 01:22:04,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 21 remaining) [2022-11-22 01:22:04,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 21 remaining) [2022-11-22 01:22:04,627 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 21 remaining) [2022-11-22 01:22:04,628 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 21 remaining) [2022-11-22 01:22:04,628 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 21 remaining) [2022-11-22 01:22:04,628 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 21 remaining) [2022-11-22 01:22:04,629 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:22:04,632 INFO L444 BasicCegarLoop]: Path program histogram: [1] [2022-11-22 01:22:04,638 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-22 01:22:04,639 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 01:22:04,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:22:04 BasicIcfg [2022-11-22 01:22:04,655 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 01:22:04,656 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 01:22:04,656 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 01:22:04,656 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 01:22:04,657 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:21:51" (3/4) ... [2022-11-22 01:22:04,659 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-11-22 01:22:04,692 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac140280-a173-4e16-8f7f-f26181c9e52d/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 01:22:04,692 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 01:22:04,694 INFO L158 Benchmark]: Toolchain (without parser) took 15388.11ms. Allocated memory was 138.4MB in the beginning and 207.6MB in the end (delta: 69.2MB). Free memory was 93.1MB in the beginning and 123.8MB in the end (delta: -30.7MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2022-11-22 01:22:04,694 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 138.4MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:22:04,695 INFO L158 Benchmark]: CACSL2BoogieTranslator took 806.52ms. Allocated memory is still 138.4MB. Free memory was 92.6MB in the beginning and 63.8MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2022-11-22 01:22:04,695 INFO L158 Benchmark]: Boogie Procedure Inliner took 96.53ms. Allocated memory is still 138.4MB. Free memory was 63.8MB in the beginning and 61.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:22:04,696 INFO L158 Benchmark]: Boogie Preprocessor took 74.61ms. Allocated memory is still 138.4MB. Free memory was 61.0MB in the beginning and 58.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-22 01:22:04,696 INFO L158 Benchmark]: RCFGBuilder took 748.21ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 58.9MB in the beginning and 123.9MB in the end (delta: -65.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-22 01:22:04,697 INFO L158 Benchmark]: TraceAbstraction took 13618.19ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 123.9MB in the beginning and 125.9MB in the end (delta: -1.9MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. [2022-11-22 01:22:04,697 INFO L158 Benchmark]: Witness Printer took 36.61ms. Allocated memory is still 207.6MB. Free memory was 125.9MB in the beginning and 123.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:22:04,700 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 138.4MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 806.52ms. Allocated memory is still 138.4MB. Free memory was 92.6MB in the beginning and 63.8MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 96.53ms. Allocated memory is still 138.4MB. Free memory was 63.8MB in the beginning and 61.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.61ms. Allocated memory is still 138.4MB. Free memory was 61.0MB in the beginning and 58.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 748.21ms. Allocated memory was 138.4MB in the beginning and 172.0MB in the end (delta: 33.6MB). Free memory was 58.9MB in the beginning and 123.9MB in the end (delta: -65.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 13618.19ms. Allocated memory was 172.0MB in the beginning and 207.6MB in the end (delta: 35.7MB). Free memory was 123.9MB in the beginning and 125.9MB in the end (delta: -1.9MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB. * Witness Printer took 36.61ms. Allocated memory is still 207.6MB. Free memory was 125.9MB in the beginning and 123.8MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.0s, 208 PlacesBefore, 60 PlacesAfterwards, 233 TransitionsBefore, 81 TransitionsAfterwards, 11570 CoEnabledTransitionPairs, 9 FixpointIterations, 101 TrivialSequentialCompositions, 121 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 18 ConcurrentYvCompositions, 4 ChoiceCompositions, 249 TotalNumberOfCompositions, 26634 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 12698, independent: 12241, independent conditional: 0, independent unconditional: 12241, dependent: 457, dependent conditional: 0, dependent unconditional: 457, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7360, independent: 7273, independent conditional: 0, independent unconditional: 7273, dependent: 87, dependent conditional: 0, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 7360, independent: 7055, independent conditional: 0, independent unconditional: 7055, dependent: 305, dependent conditional: 0, dependent unconditional: 305, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 305, independent: 218, independent conditional: 0, independent unconditional: 218, dependent: 87, dependent conditional: 0, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 427, independent: 206, independent conditional: 0, independent unconditional: 206, dependent: 221, dependent conditional: 0, dependent unconditional: 221, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 12698, independent: 4968, independent conditional: 0, independent unconditional: 4968, dependent: 370, dependent conditional: 0, dependent unconditional: 370, unknown: 7360, unknown conditional: 0, unknown unconditional: 7360] , Statistics on independence cache: Total cache size (in pairs): 435, Positive cache size: 397, Positive conditional cache size: 0, Positive unconditional cache size: 397, Negative cache size: 38, Negative conditional cache size: 0, Negative unconditional cache size: 38, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 1026]: integer overflow possible integer overflow possible We found a FailurePath: [L1004] pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } }; [L1006-L1010] struct s { int datum; struct q inside; pthread_mutex_t mutex; } A, B; [L1020] int x = __VERIFIER_nondet_int(); [L1021] struct s *s; [L1022] int *d; [L1023] pthread_mutex_t *m; [L1024] COND TRUE \read(x) [L1025] s = &A [L1026] x++ VAL [__global_lock={3:0}, A={4:0}, B={5:0}, s={4:0}, x=2147483647, x++=2147483647] - UnprovableResult [Line: 1029]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1026]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1029]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1033]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1033]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1035]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1037]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1035]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1035]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1037]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1035]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1033]: 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: 1013]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1013]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1013]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 1013]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 260 locations, 21 error locations. Started 1 CEGAR loops. OverallTime: 13.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 13.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=647occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 1 NumberOfCodeBlocks, 1 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-11-22 01:22:04,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ac140280-a173-4e16-8f7f-f26181c9e52d/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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(OVERFLOW)