./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 47ea0209 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5d703c-dade-495a-9a41-41afbed76d74/bin/utaipan-UUZaoUuFF8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5d703c-dade-495a-9a41-41afbed76d74/bin/utaipan-UUZaoUuFF8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5d703c-dade-495a-9a41-41afbed76d74/bin/utaipan-UUZaoUuFF8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5d703c-dade-495a-9a41-41afbed76d74/bin/utaipan-UUZaoUuFF8/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5d703c-dade-495a-9a41-41afbed76d74/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5d703c-dade-495a-9a41-41afbed76d74/bin/utaipan-UUZaoUuFF8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 15e9a0c4bd6d7085b24d521f0bc3b016ad0a6735646f64cc7ba371cd43ce83ab --- Real Ultimate output --- This is Ultimate 0.2.1-dev-47ea020 [2021-11-07 01:01:12,201 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-07 01:01:12,204 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-07 01:01:12,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-07 01:01:12,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-07 01:01:12,247 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-07 01:01:12,250 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-07 01:01:12,253 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-07 01:01:12,256 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-07 01:01:12,258 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-07 01:01:12,260 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-07 01:01:12,262 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-07 01:01:12,263 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-07 01:01:12,265 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-07 01:01:12,267 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-07 01:01:12,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-07 01:01:12,271 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-07 01:01:12,272 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-07 01:01:12,275 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-07 01:01:12,279 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-07 01:01:12,282 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-07 01:01:12,284 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-07 01:01:12,286 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-07 01:01:12,288 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-07 01:01:12,293 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-07 01:01:12,293 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-07 01:01:12,294 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-07 01:01:12,295 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-07 01:01:12,296 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-07 01:01:12,298 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-07 01:01:12,298 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-07 01:01:12,300 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-07 01:01:12,301 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-07 01:01:12,302 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-07 01:01:12,304 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-07 01:01:12,304 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-07 01:01:12,305 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-07 01:01:12,306 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-07 01:01:12,306 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-07 01:01:12,308 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-07 01:01:12,309 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-07 01:01:12,310 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5d703c-dade-495a-9a41-41afbed76d74/bin/utaipan-UUZaoUuFF8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-07 01:01:12,345 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-07 01:01:12,345 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-07 01:01:12,346 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-07 01:01:12,347 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-07 01:01:12,348 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-07 01:01:12,348 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-07 01:01:12,349 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-07 01:01:12,349 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-07 01:01:12,350 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-07 01:01:12,350 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-07 01:01:12,350 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-07 01:01:12,351 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-07 01:01:12,351 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-07 01:01:12,352 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-07 01:01:12,353 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-07 01:01:12,354 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-07 01:01:12,354 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-07 01:01:12,355 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-07 01:01:12,355 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-07 01:01:12,356 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-07 01:01:12,356 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-07 01:01:12,357 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-07 01:01:12,357 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-07 01:01:12,358 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-07 01:01:12,358 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-07 01:01:12,359 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-07 01:01:12,359 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-07 01:01:12,359 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-07 01:01:12,360 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-07 01:01:12,360 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-07 01:01:12,360 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:01:12,361 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-07 01:01:12,361 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-07 01:01:12,361 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-07 01:01:12,361 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-07 01:01:12,362 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-07 01:01:12,362 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-07 01:01:12,362 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-07 01:01:12,363 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-07 01:01:12,363 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_ab5d703c-dade-495a-9a41-41afbed76d74/bin/utaipan-UUZaoUuFF8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5d703c-dade-495a-9a41-41afbed76d74/bin/utaipan-UUZaoUuFF8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 15e9a0c4bd6d7085b24d521f0bc3b016ad0a6735646f64cc7ba371cd43ce83ab [2021-11-07 01:01:12,690 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-07 01:01:12,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-07 01:01:12,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-07 01:01:12,735 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-07 01:01:12,736 INFO L275 PluginConnector]: CDTParser initialized [2021-11-07 01:01:12,737 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5d703c-dade-495a-9a41-41afbed76d74/bin/utaipan-UUZaoUuFF8/../../sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2021-11-07 01:01:12,833 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5d703c-dade-495a-9a41-41afbed76d74/bin/utaipan-UUZaoUuFF8/data/bc473e11f/38b8692b325844b697f89b96f9faf929/FLAGa7197e59f [2021-11-07 01:01:13,712 INFO L306 CDTParser]: Found 1 translation units. [2021-11-07 01:01:13,713 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5d703c-dade-495a-9a41-41afbed76d74/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i [2021-11-07 01:01:13,736 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5d703c-dade-495a-9a41-41afbed76d74/bin/utaipan-UUZaoUuFF8/data/bc473e11f/38b8692b325844b697f89b96f9faf929/FLAGa7197e59f [2021-11-07 01:01:13,913 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5d703c-dade-495a-9a41-41afbed76d74/bin/utaipan-UUZaoUuFF8/data/bc473e11f/38b8692b325844b697f89b96f9faf929 [2021-11-07 01:01:13,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-07 01:01:13,921 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-07 01:01:13,925 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-07 01:01:13,925 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-07 01:01:13,929 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-07 01:01:13,931 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:01:13" (1/1) ... [2021-11-07 01:01:13,933 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7016ef9f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:13, skipping insertion in model container [2021-11-07 01:01:13,934 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:01:13" (1/1) ... [2021-11-07 01:01:13,942 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-07 01:01:14,029 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-07 01:01:14,347 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5d703c-dade-495a-9a41-41afbed76d74/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i[1094,1107] [2021-11-07 01:01:14,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:01:14,834 INFO L203 MainTranslator]: Completed pre-run [2021-11-07 01:01:14,854 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5d703c-dade-495a-9a41-41afbed76d74/sv-benchmarks/c/goblint-regression/13-privatized_67-pthread_cond_wait_true.i[1094,1107] [2021-11-07 01:01:14,927 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-07 01:01:15,048 INFO L208 MainTranslator]: Completed translation [2021-11-07 01:01:15,049 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:15 WrapperNode [2021-11-07 01:01:15,049 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-07 01:01:15,050 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-07 01:01:15,051 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-07 01:01:15,051 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-07 01:01:15,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:15" (1/1) ... [2021-11-07 01:01:15,092 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:15" (1/1) ... [2021-11-07 01:01:15,131 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-07 01:01:15,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-07 01:01:15,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-07 01:01:15,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-07 01:01:15,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:15" (1/1) ... [2021-11-07 01:01:15,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:15" (1/1) ... [2021-11-07 01:01:15,149 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:15" (1/1) ... [2021-11-07 01:01:15,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:15" (1/1) ... [2021-11-07 01:01:15,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:15" (1/1) ... [2021-11-07 01:01:15,181 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:15" (1/1) ... [2021-11-07 01:01:15,188 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:15" (1/1) ... [2021-11-07 01:01:15,197 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-07 01:01:15,198 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-07 01:01:15,198 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-07 01:01:15,199 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-07 01:01:15,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:15" (1/1) ... [2021-11-07 01:01:15,212 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-07 01:01:15,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5d703c-dade-495a-9a41-41afbed76d74/bin/utaipan-UUZaoUuFF8/z3 [2021-11-07 01:01:15,242 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5d703c-dade-495a-9a41-41afbed76d74/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-07 01:01:15,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5d703c-dade-495a-9a41-41afbed76d74/bin/utaipan-UUZaoUuFF8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-07 01:01:15,318 INFO L130 BoogieDeclarations]: Found specification of procedure sleep [2021-11-07 01:01:15,318 INFO L130 BoogieDeclarations]: Found specification of procedure f1 [2021-11-07 01:01:15,318 INFO L138 BoogieDeclarations]: Found implementation of procedure f1 [2021-11-07 01:01:15,318 INFO L130 BoogieDeclarations]: Found specification of procedure f2 [2021-11-07 01:01:15,319 INFO L138 BoogieDeclarations]: Found implementation of procedure f2 [2021-11-07 01:01:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-07 01:01:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-07 01:01:15,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-07 01:01:15,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-07 01:01:15,320 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-11-07 01:01:15,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-07 01:01:15,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-07 01:01:15,321 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-07 01:01:15,323 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-11-07 01:01:16,010 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-07 01:01:16,011 INFO L299 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-07 01:01:16,013 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:01:16 BoogieIcfgContainer [2021-11-07 01:01:16,013 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-07 01:01:16,016 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-07 01:01:16,016 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-07 01:01:16,020 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-07 01:01:16,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:01:13" (1/3) ... [2021-11-07 01:01:16,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a42a913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:01:16, skipping insertion in model container [2021-11-07 01:01:16,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:15" (2/3) ... [2021-11-07 01:01:16,022 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4a42a913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:01:16, skipping insertion in model container [2021-11-07 01:01:16,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:01:16" (3/3) ... [2021-11-07 01:01:16,024 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_67-pthread_cond_wait_true.i [2021-11-07 01:01:16,030 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-11-07 01:01:16,031 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-07 01:01:16,031 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-07 01:01:16,031 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-11-07 01:01:16,065 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#in~ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,066 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#in~ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,066 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork0_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,066 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork0_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,067 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#in~ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,067 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#in~ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,067 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork0_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,067 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork0_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,068 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,068 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,068 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,069 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,069 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,069 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,070 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,070 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,070 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,071 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,071 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,071 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,071 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,072 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,072 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,072 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,073 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,073 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,073 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,074 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,074 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,074 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,075 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,075 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,075 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,075 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,076 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#in~ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,076 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#in~ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,076 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork1_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,077 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork1_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,077 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#in~ptr.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,077 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#in~ptr.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,077 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork1_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,078 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork1_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,078 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,078 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,078 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,079 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,079 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,079 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,080 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,080 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,085 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,085 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork0_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,086 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork0___VERIFIER_assert_~cond not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,086 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,086 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0___VERIFIER_assert_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,086 WARN L322 ript$VariableManager]: TermVariabe f1Thread1of1ForFork0_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,087 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,087 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,087 WARN L322 ript$VariableManager]: TermVariabe |f1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,092 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,093 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork1_~ptr.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,093 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,093 WARN L322 ript$VariableManager]: TermVariabe f2Thread1of1ForFork1_~ptr.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,094 WARN L322 ript$VariableManager]: TermVariabe |f2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-11-07 01:01:16,101 INFO L148 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-11-07 01:01:16,155 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-07 01:01:16,162 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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, mLoopAccelerationTechnique=FAST_UPR [2021-11-07 01:01:16,163 INFO L340 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2021-11-07 01:01:16,179 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-11-07 01:01:16,192 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 93 places, 87 transitions, 190 flow [2021-11-07 01:01:16,196 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 93 places, 87 transitions, 190 flow [2021-11-07 01:01:16,198 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 93 places, 87 transitions, 190 flow [2021-11-07 01:01:16,247 INFO L129 PetriNetUnfolder]: 1/85 cut-off events. [2021-11-07 01:01:16,247 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2021-11-07 01:01:16,251 INFO L84 FinitePrefix]: Finished finitePrefix Result has 94 conditions, 85 events. 1/85 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 58 event pairs, 0 based on Foata normal form. 0/83 useless extension candidates. Maximal degree in co-relation 64. Up to 2 conditions per place. [2021-11-07 01:01:16,255 INFO L116 LiptonReduction]: Number of co-enabled transitions 804 [2021-11-07 01:01:24,044 INFO L131 LiptonReduction]: Checked pairs total: 2091 [2021-11-07 01:01:24,045 INFO L133 LiptonReduction]: Total number of compositions: 78 [2021-11-07 01:01:24,066 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 22 transitions, 60 flow [2021-11-07 01:01:24,096 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 74 states, 71 states have (on average 2.1267605633802815) internal successors, (151), 73 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:01:24,100 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 71 states have (on average 2.1267605633802815) internal successors, (151), 73 states have internal predecessors, (151), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-07 01:01:24,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-07 01:01:24,109 INFO L505 BasicCegarLoop]: Found error trace [2021-11-07 01:01:24,110 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-07 01:01:24,111 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting f1Err0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION, f1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-07 01:01:24,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-07 01:01:24,118 INFO L85 PathProgramCache]: Analyzing trace with hash 654093668, now seen corresponding path program 1 times [2021-11-07 01:01:24,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-07 01:01:24,130 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518088984] [2021-11-07 01:01:24,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-07 01:01:24,134 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-07 01:01:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:01:24,464 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-07 01:01:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-07 01:01:24,610 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-11-07 01:01:24,612 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-11-07 01:01:24,614 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location f1Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:01:24,616 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-11-07 01:01:24,616 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-11-07 01:01:24,617 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location f1Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-11-07 01:01:24,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-07 01:01:24,623 INFO L731 BasicCegarLoop]: Path program histogram: [1] [2021-11-07 01:01:24,629 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-11-07 01:01:24,629 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-07 01:01:24,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:01:24 BasicIcfg [2021-11-07 01:01:24,679 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-07 01:01:24,680 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-07 01:01:24,681 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-07 01:01:24,681 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-07 01:01:24,682 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:01:16" (3/4) ... [2021-11-07 01:01:24,683 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-07 01:01:24,761 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5d703c-dade-495a-9a41-41afbed76d74/bin/utaipan-UUZaoUuFF8/witness.graphml [2021-11-07 01:01:24,762 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-07 01:01:24,765 INFO L168 Benchmark]: Toolchain (without parser) took 10842.12 ms. Allocated memory was 113.2 MB in the beginning and 138.4 MB in the end (delta: 25.2 MB). Free memory was 79.1 MB in the beginning and 104.5 MB in the end (delta: -25.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:01:24,766 INFO L168 Benchmark]: CDTParser took 0.29 ms. Allocated memory is still 83.9 MB. Free memory is still 43.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-11-07 01:01:24,767 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1124.68 ms. Allocated memory is still 113.2 MB. Free memory was 79.1 MB in the beginning and 63.3 MB in the end (delta: 15.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-11-07 01:01:24,767 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.71 ms. Allocated memory is still 113.2 MB. Free memory was 63.3 MB in the beginning and 60.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:01:24,768 INFO L168 Benchmark]: Boogie Preprocessor took 65.28 ms. Allocated memory is still 113.2 MB. Free memory was 60.4 MB in the beginning and 58.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-11-07 01:01:24,769 INFO L168 Benchmark]: RCFGBuilder took 815.58 ms. Allocated memory is still 113.2 MB. Free memory was 57.9 MB in the beginning and 76.5 MB in the end (delta: -18.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. [2021-11-07 01:01:24,769 INFO L168 Benchmark]: TraceAbstraction took 8663.56 ms. Allocated memory was 113.2 MB in the beginning and 138.4 MB in the end (delta: 25.2 MB). Free memory was 75.9 MB in the beginning and 107.6 MB in the end (delta: -31.8 MB). Peak memory consumption was 69.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:01:24,770 INFO L168 Benchmark]: Witness Printer took 81.34 ms. Allocated memory is still 138.4 MB. Free memory was 107.6 MB in the beginning and 104.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-07 01:01:24,778 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29 ms. Allocated memory is still 83.9 MB. Free memory is still 43.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1124.68 ms. Allocated memory is still 113.2 MB. Free memory was 79.1 MB in the beginning and 63.3 MB in the end (delta: 15.8 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 80.71 ms. Allocated memory is still 113.2 MB. Free memory was 63.3 MB in the beginning and 60.4 MB in the end (delta: 2.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 65.28 ms. Allocated memory is still 113.2 MB. Free memory was 60.4 MB in the beginning and 58.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 815.58 ms. Allocated memory is still 113.2 MB. Free memory was 57.9 MB in the beginning and 76.5 MB in the end (delta: -18.6 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 8663.56 ms. Allocated memory was 113.2 MB in the beginning and 138.4 MB in the end (delta: 25.2 MB). Free memory was 75.9 MB in the beginning and 107.6 MB in the end (delta: -31.8 MB). Peak memory consumption was 69.1 MB. Max. memory is 16.1 GB. * Witness Printer took 81.34 ms. Allocated memory is still 138.4 MB. Free memory was 107.6 MB in the beginning and 104.5 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 7.8s, 93 PlacesBefore, 28 PlacesAfterwards, 87 TransitionsBefore, 22 TransitionsAfterwards, 804 CoEnabledTransitionPairs, 8 FixpointIterations, 40 TrivialSequentialCompositions, 34 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 4 ConcurrentYvCompositions, 0 ChoiceCompositions, 78 TotalNumberOfCompositions, 2091 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1422, positive: 1290, positive conditional: 0, positive unconditional: 1290, negative: 132, negative conditional: 0, negative unconditional: 132, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 628, positive: 601, positive conditional: 0, positive unconditional: 601, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 628, positive: 580, positive conditional: 0, positive unconditional: 580, negative: 48, negative conditional: 0, negative unconditional: 48, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 48, positive: 21, positive conditional: 0, positive unconditional: 21, negative: 27, negative conditional: 0, negative unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 123, positive: 35, positive conditional: 0, positive unconditional: 35, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1422, positive: 689, positive conditional: 0, positive unconditional: 689, negative: 105, negative conditional: 0, negative unconditional: 105, unknown: 628, unknown conditional: 0, unknown unconditional: 628] , Statistics on independence cache: Total cache size (in pairs): 76, Positive cache size: 63, Positive conditional cache size: 0, Positive unconditional cache size: 63, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13 - 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: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L1351] 0 int g; [L1352] 0 pthread_mutex_t mut = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; [L1353] 0 pthread_cond_t cond = { { {0}, {0}, {0, 0}, {0, 0}, 0, 0, {0, 0} } }; [L1373] 0 pthread_t t1; [L1374] 0 pthread_t t2; [L1375] FCALL, FORK 0 pthread_create(&t1,((void *)0),f1,((void *)0)) VAL [cond={5:0}, g=0, mut={3:0}] [L1356] 1 g = 1 VAL [cond={5:0}, g=1, mut={3:0}] [L19] COND TRUE 1 !(cond) [L19] 1 reach_error() VAL [cond={5:0}, g=1, mut={3:0}] - UnprovableResult [Line: 1377]: 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: 1375]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 117 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 8.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 7.9s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=74occurred 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, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 6 NumberOfCodeBlocks, 6 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! [2021-11-07 01:01:24,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ab5d703c-dade-495a-9a41-41afbed76d74/bin/utaipan-UUZaoUuFF8/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