./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix014_power.oepc_pso.oepc_rmo.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7d97c5a-e6f6-40a6-9196-592962eb4b6f/bin/utaipan-SDwSMHVbGG/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7d97c5a-e6f6-40a6-9196-592962eb4b6f/bin/utaipan-SDwSMHVbGG/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7d97c5a-e6f6-40a6-9196-592962eb4b6f/bin/utaipan-SDwSMHVbGG/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7d97c5a-e6f6-40a6-9196-592962eb4b6f/bin/utaipan-SDwSMHVbGG/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix014_power.oepc_pso.oepc_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7d97c5a-e6f6-40a6-9196-592962eb4b6f/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7d97c5a-e6f6-40a6-9196-592962eb4b6f/bin/utaipan-SDwSMHVbGG --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 a75df8feda97f2ebeb5cc4266066f8deba1b6726a771b6143f22a640cfcf63d2 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 05:20:55,320 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 05:20:55,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 05:20:55,356 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 05:20:55,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 05:20:55,358 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 05:20:55,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 05:20:55,362 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 05:20:55,365 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 05:20:55,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 05:20:55,368 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 05:20:55,369 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 05:20:55,370 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 05:20:55,371 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 05:20:55,373 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 05:20:55,375 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 05:20:55,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 05:20:55,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 05:20:55,380 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 05:20:55,382 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 05:20:55,384 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 05:20:55,386 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 05:20:55,387 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 05:20:55,389 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 05:20:55,393 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 05:20:55,393 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 05:20:55,394 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 05:20:55,395 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 05:20:55,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 05:20:55,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 05:20:55,397 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 05:20:55,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 05:20:55,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 05:20:55,401 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 05:20:55,402 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 05:20:55,403 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 05:20:55,404 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 05:20:55,404 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 05:20:55,405 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 05:20:55,406 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 05:20:55,407 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 05:20:55,408 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7d97c5a-e6f6-40a6-9196-592962eb4b6f/bin/utaipan-SDwSMHVbGG/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-29 05:20:55,432 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 05:20:55,433 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 05:20:55,434 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 05:20:55,434 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-29 05:20:55,434 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-29 05:20:55,434 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-29 05:20:55,435 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-29 05:20:55,435 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-29 05:20:55,435 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-29 05:20:55,436 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-29 05:20:55,436 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-29 05:20:55,436 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-29 05:20:55,437 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-29 05:20:55,437 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-29 05:20:55,437 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-29 05:20:55,438 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 05:20:55,438 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 05:20:55,439 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 05:20:55,439 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 05:20:55,439 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 05:20:55,440 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 05:20:55,440 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 05:20:55,440 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 05:20:55,440 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-29 05:20:55,441 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 05:20:55,441 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 05:20:55,441 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 05:20:55,441 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 05:20:55,442 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 05:20:55,442 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-29 05:20:55,442 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:20:55,443 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 05:20:55,443 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 05:20:55,443 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 05:20:55,444 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-29 05:20:55,444 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 05:20:55,444 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 05:20:55,445 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-29 05:20:55,445 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-29 05:20:55,445 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_e7d97c5a-e6f6-40a6-9196-592962eb4b6f/bin/utaipan-SDwSMHVbGG/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7d97c5a-e6f6-40a6-9196-592962eb4b6f/bin/utaipan-SDwSMHVbGG Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a75df8feda97f2ebeb5cc4266066f8deba1b6726a771b6143f22a640cfcf63d2 [2021-10-29 05:20:55,683 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 05:20:55,706 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 05:20:55,710 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 05:20:55,712 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 05:20:55,713 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 05:20:55,714 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7d97c5a-e6f6-40a6-9196-592962eb4b6f/bin/utaipan-SDwSMHVbGG/../../sv-benchmarks/c/pthread-wmm/mix014_power.oepc_pso.oepc_rmo.oepc.i [2021-10-29 05:20:55,809 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7d97c5a-e6f6-40a6-9196-592962eb4b6f/bin/utaipan-SDwSMHVbGG/data/738144896/6b2f676875da40d4a5d7c54a3fcafab3/FLAG0dfb86151 [2021-10-29 05:20:56,361 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 05:20:56,362 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7d97c5a-e6f6-40a6-9196-592962eb4b6f/sv-benchmarks/c/pthread-wmm/mix014_power.oepc_pso.oepc_rmo.oepc.i [2021-10-29 05:20:56,392 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7d97c5a-e6f6-40a6-9196-592962eb4b6f/bin/utaipan-SDwSMHVbGG/data/738144896/6b2f676875da40d4a5d7c54a3fcafab3/FLAG0dfb86151 [2021-10-29 05:20:56,647 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7d97c5a-e6f6-40a6-9196-592962eb4b6f/bin/utaipan-SDwSMHVbGG/data/738144896/6b2f676875da40d4a5d7c54a3fcafab3 [2021-10-29 05:20:56,649 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 05:20:56,651 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 05:20:56,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 05:20:56,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 05:20:56,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 05:20:56,656 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:20:56" (1/1) ... [2021-10-29 05:20:56,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12ea433c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:20:56, skipping insertion in model container [2021-10-29 05:20:56,658 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 05:20:56" (1/1) ... [2021-10-29 05:20:56,665 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 05:20:56,740 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 05:20:56,923 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_e7d97c5a-e6f6-40a6-9196-592962eb4b6f/sv-benchmarks/c/pthread-wmm/mix014_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2021-10-29 05:20:57,170 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:20:57,179 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 05:20:57,192 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_e7d97c5a-e6f6-40a6-9196-592962eb4b6f/sv-benchmarks/c/pthread-wmm/mix014_power.oepc_pso.oepc_rmo.oepc.i[969,982] [2021-10-29 05:20:57,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 05:20:57,288 INFO L208 MainTranslator]: Completed translation [2021-10-29 05:20:57,289 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:20:57 WrapperNode [2021-10-29 05:20:57,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 05:20:57,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 05:20:57,291 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 05:20:57,291 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 05:20:57,300 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:20:57" (1/1) ... [2021-10-29 05:20:57,320 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:20:57" (1/1) ... [2021-10-29 05:20:57,351 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 05:20:57,351 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 05:20:57,352 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 05:20:57,352 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 05:20:57,361 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:20:57" (1/1) ... [2021-10-29 05:20:57,362 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:20:57" (1/1) ... [2021-10-29 05:20:57,366 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:20:57" (1/1) ... [2021-10-29 05:20:57,367 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:20:57" (1/1) ... [2021-10-29 05:20:57,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:20:57" (1/1) ... [2021-10-29 05:20:57,384 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:20:57" (1/1) ... [2021-10-29 05:20:57,388 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:20:57" (1/1) ... [2021-10-29 05:20:57,406 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 05:20:57,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 05:20:57,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 05:20:57,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 05:20:57,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:20:57" (1/1) ... [2021-10-29 05:20:57,426 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-29 05:20:57,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7d97c5a-e6f6-40a6-9196-592962eb4b6f/bin/utaipan-SDwSMHVbGG/z3 [2021-10-29 05:20:57,452 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7d97c5a-e6f6-40a6-9196-592962eb4b6f/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-29 05:20:57,481 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7d97c5a-e6f6-40a6-9196-592962eb4b6f/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-29 05:20:57,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 05:20:57,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-29 05:20:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 05:20:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 05:20:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-10-29 05:20:57,498 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-10-29 05:20:57,498 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-10-29 05:20:57,499 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-10-29 05:20:57,499 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-10-29 05:20:57,499 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-10-29 05:20:57,499 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-10-29 05:20:57,499 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-10-29 05:20:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 05:20:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-29 05:20:57,500 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 05:20:57,500 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 05:20:57,502 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-29 05:20:59,767 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 05:20:59,767 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-29 05:20:59,770 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:20:59 BoogieIcfgContainer [2021-10-29 05:20:59,770 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 05:20:59,773 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-29 05:20:59,773 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-29 05:20:59,782 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-29 05:20:59,782 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.10 05:20:56" (1/3) ... [2021-10-29 05:20:59,783 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@502079a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:20:59, skipping insertion in model container [2021-10-29 05:20:59,783 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 05:20:57" (2/3) ... [2021-10-29 05:20:59,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@502079a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.10 05:20:59, skipping insertion in model container [2021-10-29 05:20:59,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:20:59" (3/3) ... [2021-10-29 05:20:59,812 INFO L111 eAbstractionObserver]: Analyzing ICFG mix014_power.oepc_pso.oepc_rmo.oepc.i [2021-10-29 05:20:59,818 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-29 05:20:59,818 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-29 05:20:59,819 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-29 05:20:59,819 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-29 05:20:59,867 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,868 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,868 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,868 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,869 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,869 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,869 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,869 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,870 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,870 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,871 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,871 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,871 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,872 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,872 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,873 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,873 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,873 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,874 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,874 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,875 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,875 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,876 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,876 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,876 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,876 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,876 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,877 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,877 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,877 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,877 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,878 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,878 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,878 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,879 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,879 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,879 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,879 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,880 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,880 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,881 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,881 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,881 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,881 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,881 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,882 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,883 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,884 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,884 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,884 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,884 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,885 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,885 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,885 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,885 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,886 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,886 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,886 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,886 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,887 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,887 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,887 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,887 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,887 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,888 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,888 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,889 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,890 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,892 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,893 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,893 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,894 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,895 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,896 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,896 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,896 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,897 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,902 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,903 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,903 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,903 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,903 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,903 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,903 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,904 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,904 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,904 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,904 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,904 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,904 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,904 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,905 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,905 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,905 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,905 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,905 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,905 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,905 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,905 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,906 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,906 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,906 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,906 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,906 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,906 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,906 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,906 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,907 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,907 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,907 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,907 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,907 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,907 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,907 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,907 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,908 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,908 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,908 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,908 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,908 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,908 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,908 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,909 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,910 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,910 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,910 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,910 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,910 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,910 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,911 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,911 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,911 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,911 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,911 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,911 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,912 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,913 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,913 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,913 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,913 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,913 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,915 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,916 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,916 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,916 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,916 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,916 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,917 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,918 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,919 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,920 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,921 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,921 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,921 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,921 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,921 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,921 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,922 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,922 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,922 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,922 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,923 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,923 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,923 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,923 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,924 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,924 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,924 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,930 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,930 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,931 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,931 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,931 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,931 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,931 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,932 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,932 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,932 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,934 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,934 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,935 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,935 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,935 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,935 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,936 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,940 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,941 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,941 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,941 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,941 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,943 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,943 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,943 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,943 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,944 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,945 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,945 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,945 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,946 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,946 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,946 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,946 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,946 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,946 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,947 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,947 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,947 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,947 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,947 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,948 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,948 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,948 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,948 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,949 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,949 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,957 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,957 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,957 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,957 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,957 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,958 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,958 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,958 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,960 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,960 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,960 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,960 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,961 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,961 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,961 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,961 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,962 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,962 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-29 05:20:59,963 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-29 05:21:00,009 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-29 05:21:00,022 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 [2021-10-29 05:21:00,027 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-10-29 05:21:00,048 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-29 05:21:00,058 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 143 places, 132 transitions, 284 flow [2021-10-29 05:21:00,061 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 143 places, 132 transitions, 284 flow [2021-10-29 05:21:00,063 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 143 places, 132 transitions, 284 flow [2021-10-29 05:21:00,118 INFO L129 PetriNetUnfolder]: 2/128 cut-off events. [2021-10-29 05:21:00,119 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-29 05:21:00,127 INFO L84 FinitePrefix]: Finished finitePrefix Result has 141 conditions, 128 events. 2/128 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 77 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 88. Up to 2 conditions per place. [2021-10-29 05:21:00,135 INFO L116 LiptonReduction]: Number of co-enabled transitions 3238 [2021-10-29 05:21:05,507 INFO L131 LiptonReduction]: Checked pairs total: 9995 [2021-10-29 05:21:05,508 INFO L133 LiptonReduction]: Total number of compositions: 108 [2021-10-29 05:21:05,516 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 49 places, 37 transitions, 94 flow [2021-10-29 05:21:05,906 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 6206 states, 6203 states have (on average 4.209576011607287) internal successors, (26112), 6205 states have internal predecessors, (26112), 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) [2021-10-29 05:21:05,940 INFO L276 IsEmpty]: Start isEmpty. Operand has 6206 states, 6203 states have (on average 4.209576011607287) internal successors, (26112), 6205 states have internal predecessors, (26112), 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) [2021-10-29 05:21:05,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-10-29 05:21:05,952 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:21:05,953 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-10-29 05:21:05,954 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-29 05:21:05,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:21:05,960 INFO L85 PathProgramCache]: Analyzing trace with hash 1256547, now seen corresponding path program 1 times [2021-10-29 05:21:05,972 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:21:05,973 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1737509349] [2021-10-29 05:21:05,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:21:05,974 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:21:06,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:21:06,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:21:06,287 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:21:06,287 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1737509349] [2021-10-29 05:21:06,288 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1737509349] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:21:06,289 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:21:06,289 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-29 05:21:06,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993270272] [2021-10-29 05:21:06,298 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:21:06,298 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:21:06,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:21:06,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:21:06,337 INFO L87 Difference]: Start difference. First operand has 6206 states, 6203 states have (on average 4.209576011607287) internal successors, (26112), 6205 states have internal predecessors, (26112), 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) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-10-29 05:21:06,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:21:06,545 INFO L93 Difference]: Finished difference Result 5052 states and 20132 transitions. [2021-10-29 05:21:06,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:21:06,547 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) Word has length 3 [2021-10-29 05:21:06,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:21:06,637 INFO L225 Difference]: With dead ends: 5052 [2021-10-29 05:21:06,637 INFO L226 Difference]: Without dead ends: 4872 [2021-10-29 05:21:06,638 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:21:06,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4872 states. [2021-10-29 05:21:06,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4872 to 4872. [2021-10-29 05:21:07,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4872 states, 4871 states have (on average 4.004927119687949) internal successors, (19508), 4871 states have internal predecessors, (19508), 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) [2021-10-29 05:21:07,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4872 states to 4872 states and 19508 transitions. [2021-10-29 05:21:07,135 INFO L78 Accepts]: Start accepts. Automaton has 4872 states and 19508 transitions. Word has length 3 [2021-10-29 05:21:07,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:21:07,136 INFO L470 AbstractCegarLoop]: Abstraction has 4872 states and 19508 transitions. [2021-10-29 05:21:07,137 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2021-10-29 05:21:07,137 INFO L276 IsEmpty]: Start isEmpty. Operand 4872 states and 19508 transitions. [2021-10-29 05:21:07,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 05:21:07,142 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:21:07,142 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:21:07,142 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-29 05:21:07,143 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-29 05:21:07,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:21:07,143 INFO L85 PathProgramCache]: Analyzing trace with hash 5267930, now seen corresponding path program 1 times [2021-10-29 05:21:07,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:21:07,144 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1505364624] [2021-10-29 05:21:07,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:21:07,144 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:21:07,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:21:07,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:21:07,347 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:21:07,347 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1505364624] [2021-10-29 05:21:07,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1505364624] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:21:07,348 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:21:07,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-29 05:21:07,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421231388] [2021-10-29 05:21:07,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:21:07,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:21:07,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:21:07,351 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:21:07,351 INFO L87 Difference]: Start difference. First operand 4872 states and 19508 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-10-29 05:21:07,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:21:07,639 INFO L93 Difference]: Finished difference Result 9098 states and 34900 transitions. [2021-10-29 05:21:07,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:21:07,640 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) Word has length 12 [2021-10-29 05:21:07,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:21:07,835 INFO L225 Difference]: With dead ends: 9098 [2021-10-29 05:21:07,835 INFO L226 Difference]: Without dead ends: 7427 [2021-10-29 05:21:07,836 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:21:07,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7427 states. [2021-10-29 05:21:08,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7427 to 6371. [2021-10-29 05:21:08,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6371 states, 6370 states have (on average 3.9323390894819465) internal successors, (25049), 6370 states have internal predecessors, (25049), 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) [2021-10-29 05:21:08,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6371 states to 6371 states and 25049 transitions. [2021-10-29 05:21:08,491 INFO L78 Accepts]: Start accepts. Automaton has 6371 states and 25049 transitions. Word has length 12 [2021-10-29 05:21:08,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:21:08,492 INFO L470 AbstractCegarLoop]: Abstraction has 6371 states and 25049 transitions. [2021-10-29 05:21:08,492 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2021-10-29 05:21:08,492 INFO L276 IsEmpty]: Start isEmpty. Operand 6371 states and 25049 transitions. [2021-10-29 05:21:08,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 05:21:08,499 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:21:08,500 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:21:08,500 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-29 05:21:08,501 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-29 05:21:08,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:21:08,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1907947064, now seen corresponding path program 1 times [2021-10-29 05:21:08,511 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:21:08,512 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [866876394] [2021-10-29 05:21:08,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:21:08,512 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:21:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:21:08,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:21:08,627 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:21:08,627 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [866876394] [2021-10-29 05:21:08,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [866876394] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:21:08,627 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:21:08,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-29 05:21:08,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33624086] [2021-10-29 05:21:08,628 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:21:08,628 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:21:08,629 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:21:08,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:21:08,630 INFO L87 Difference]: Start difference. First operand 6371 states and 25049 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-10-29 05:21:08,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:21:08,899 INFO L93 Difference]: Finished difference Result 6691 states and 25725 transitions. [2021-10-29 05:21:08,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:21:08,899 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) Word has length 13 [2021-10-29 05:21:08,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:21:08,952 INFO L225 Difference]: With dead ends: 6691 [2021-10-29 05:21:08,953 INFO L226 Difference]: Without dead ends: 5811 [2021-10-29 05:21:08,953 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:21:08,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5811 states. [2021-10-29 05:21:09,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5811 to 5253. [2021-10-29 05:21:09,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5253 states, 5252 states have (on average 3.8870906321401373) internal successors, (20415), 5252 states have internal predecessors, (20415), 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) [2021-10-29 05:21:09,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5253 states to 5253 states and 20415 transitions. [2021-10-29 05:21:09,268 INFO L78 Accepts]: Start accepts. Automaton has 5253 states and 20415 transitions. Word has length 13 [2021-10-29 05:21:09,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:21:09,268 INFO L470 AbstractCegarLoop]: Abstraction has 5253 states and 20415 transitions. [2021-10-29 05:21:09,269 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 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) [2021-10-29 05:21:09,269 INFO L276 IsEmpty]: Start isEmpty. Operand 5253 states and 20415 transitions. [2021-10-29 05:21:09,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 05:21:09,277 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:21:09,277 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:21:09,277 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-29 05:21:09,278 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-29 05:21:09,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:21:09,278 INFO L85 PathProgramCache]: Analyzing trace with hash 793655101, now seen corresponding path program 1 times [2021-10-29 05:21:09,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:21:09,279 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620830388] [2021-10-29 05:21:09,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:21:09,279 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:21:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:21:09,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:21:09,493 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:21:09,493 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620830388] [2021-10-29 05:21:09,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620830388] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:21:09,494 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:21:09,494 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-29 05:21:09,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876768838] [2021-10-29 05:21:09,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:21:09,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:21:09,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:21:09,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:21:09,496 INFO L87 Difference]: Start difference. First operand 5253 states and 20415 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2021-10-29 05:21:09,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:21:09,594 INFO L93 Difference]: Finished difference Result 5453 states and 20785 transitions. [2021-10-29 05:21:09,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:21:09,594 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) Word has length 14 [2021-10-29 05:21:09,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:21:09,624 INFO L225 Difference]: With dead ends: 5453 [2021-10-29 05:21:09,624 INFO L226 Difference]: Without dead ends: 4853 [2021-10-29 05:21:09,625 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:21:09,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4853 states. [2021-10-29 05:21:09,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4853 to 4349. [2021-10-29 05:21:09,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4349 states, 4348 states have (on average 3.8714351425942963) internal successors, (16833), 4348 states have internal predecessors, (16833), 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) [2021-10-29 05:21:09,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4349 states to 4349 states and 16833 transitions. [2021-10-29 05:21:09,969 INFO L78 Accepts]: Start accepts. Automaton has 4349 states and 16833 transitions. Word has length 14 [2021-10-29 05:21:09,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:21:09,970 INFO L470 AbstractCegarLoop]: Abstraction has 4349 states and 16833 transitions. [2021-10-29 05:21:09,970 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2021-10-29 05:21:09,970 INFO L276 IsEmpty]: Start isEmpty. Operand 4349 states and 16833 transitions. [2021-10-29 05:21:09,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-29 05:21:09,976 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:21:09,976 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:21:09,976 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-29 05:21:09,976 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-29 05:21:09,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:21:09,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1696813503, now seen corresponding path program 1 times [2021-10-29 05:21:09,982 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:21:09,982 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371933164] [2021-10-29 05:21:09,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:21:09,983 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:21:10,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:21:10,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:21:10,045 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:21:10,046 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1371933164] [2021-10-29 05:21:10,046 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1371933164] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:21:10,046 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:21:10,046 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-29 05:21:10,046 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1542981398] [2021-10-29 05:21:10,047 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-29 05:21:10,047 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:21:10,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-29 05:21:10,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:21:10,048 INFO L87 Difference]: Start difference. First operand 4349 states and 16833 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-10-29 05:21:10,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:21:10,080 INFO L93 Difference]: Finished difference Result 3149 states and 10849 transitions. [2021-10-29 05:21:10,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-29 05:21:10,081 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 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) Word has length 16 [2021-10-29 05:21:10,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:21:10,095 INFO L225 Difference]: With dead ends: 3149 [2021-10-29 05:21:10,096 INFO L226 Difference]: Without dead ends: 3149 [2021-10-29 05:21:10,096 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-29 05:21:10,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3149 states. [2021-10-29 05:21:10,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3149 to 3149. [2021-10-29 05:21:10,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3149 states, 3148 states have (on average 3.4463151207115628) internal successors, (10849), 3148 states have internal predecessors, (10849), 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) [2021-10-29 05:21:10,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3149 states to 3149 states and 10849 transitions. [2021-10-29 05:21:10,358 INFO L78 Accepts]: Start accepts. Automaton has 3149 states and 10849 transitions. Word has length 16 [2021-10-29 05:21:10,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:21:10,358 INFO L470 AbstractCegarLoop]: Abstraction has 3149 states and 10849 transitions. [2021-10-29 05:21:10,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 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) [2021-10-29 05:21:10,359 INFO L276 IsEmpty]: Start isEmpty. Operand 3149 states and 10849 transitions. [2021-10-29 05:21:10,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-29 05:21:10,366 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:21:10,366 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:21:10,366 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-29 05:21:10,366 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-29 05:21:10,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:21:10,367 INFO L85 PathProgramCache]: Analyzing trace with hash 1885586848, now seen corresponding path program 1 times [2021-10-29 05:21:10,368 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:21:10,369 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704730374] [2021-10-29 05:21:10,369 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:21:10,369 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:21:10,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:21:10,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:21:10,488 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:21:10,492 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704730374] [2021-10-29 05:21:10,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1704730374] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:21:10,493 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:21:10,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-29 05:21:10,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [691158542] [2021-10-29 05:21:10,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-29 05:21:10,494 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:21:10,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-29 05:21:10,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:21:10,495 INFO L87 Difference]: Start difference. First operand 3149 states and 10849 transitions. Second operand has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-10-29 05:21:10,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:21:10,533 INFO L93 Difference]: Finished difference Result 1953 states and 6089 transitions. [2021-10-29 05:21:10,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-29 05:21:10,533 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 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) Word has length 19 [2021-10-29 05:21:10,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:21:10,541 INFO L225 Difference]: With dead ends: 1953 [2021-10-29 05:21:10,541 INFO L226 Difference]: Without dead ends: 1953 [2021-10-29 05:21:10,542 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-29 05:21:10,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1953 states. [2021-10-29 05:21:10,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1953 to 1947. [2021-10-29 05:21:10,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1947 states, 1946 states have (on average 3.117677286742035) internal successors, (6067), 1946 states have internal predecessors, (6067), 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) [2021-10-29 05:21:10,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 1947 states and 6067 transitions. [2021-10-29 05:21:10,601 INFO L78 Accepts]: Start accepts. Automaton has 1947 states and 6067 transitions. Word has length 19 [2021-10-29 05:21:10,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:21:10,601 INFO L470 AbstractCegarLoop]: Abstraction has 1947 states and 6067 transitions. [2021-10-29 05:21:10,601 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.75) internal successors, (19), 3 states have internal predecessors, (19), 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) [2021-10-29 05:21:10,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1947 states and 6067 transitions. [2021-10-29 05:21:10,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-29 05:21:10,607 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:21:10,607 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:21:10,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-29 05:21:10,608 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-29 05:21:10,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:21:10,609 INFO L85 PathProgramCache]: Analyzing trace with hash 451570400, now seen corresponding path program 1 times [2021-10-29 05:21:10,609 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:21:10,609 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696406817] [2021-10-29 05:21:10,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:21:10,609 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:21:10,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:21:10,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:21:10,780 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:21:10,780 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696406817] [2021-10-29 05:21:10,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696406817] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:21:10,780 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:21:10,781 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-29 05:21:10,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247157282] [2021-10-29 05:21:10,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-29 05:21:10,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:21:10,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-29 05:21:10,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:21:10,782 INFO L87 Difference]: Start difference. First operand 1947 states and 6067 transitions. Second operand has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-10-29 05:21:10,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:21:10,818 INFO L93 Difference]: Finished difference Result 1501 states and 4741 transitions. [2021-10-29 05:21:10,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-29 05:21:10,819 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 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) Word has length 22 [2021-10-29 05:21:10,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:21:10,825 INFO L225 Difference]: With dead ends: 1501 [2021-10-29 05:21:10,825 INFO L226 Difference]: Without dead ends: 1501 [2021-10-29 05:21:10,826 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-10-29 05:21:10,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1501 states. [2021-10-29 05:21:10,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1501 to 1456. [2021-10-29 05:21:10,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1456 states, 1455 states have (on average 3.1553264604810995) internal successors, (4591), 1455 states have internal predecessors, (4591), 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) [2021-10-29 05:21:10,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1456 states and 4591 transitions. [2021-10-29 05:21:10,872 INFO L78 Accepts]: Start accepts. Automaton has 1456 states and 4591 transitions. Word has length 22 [2021-10-29 05:21:10,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:21:10,872 INFO L470 AbstractCegarLoop]: Abstraction has 1456 states and 4591 transitions. [2021-10-29 05:21:10,872 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-10-29 05:21:10,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 4591 transitions. [2021-10-29 05:21:10,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 05:21:10,947 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:21:10,947 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:21:10,947 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-29 05:21:10,948 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-29 05:21:10,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:21:10,948 INFO L85 PathProgramCache]: Analyzing trace with hash -2032480111, now seen corresponding path program 1 times [2021-10-29 05:21:10,948 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:21:10,948 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556415988] [2021-10-29 05:21:10,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:21:10,949 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:21:11,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:21:11,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:21:11,244 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:21:11,244 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556415988] [2021-10-29 05:21:11,245 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556415988] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:21:11,245 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:21:11,245 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-29 05:21:11,245 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127669231] [2021-10-29 05:21:11,246 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-29 05:21:11,246 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:21:11,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-29 05:21:11,247 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2021-10-29 05:21:11,247 INFO L87 Difference]: Start difference. First operand 1456 states and 4591 transitions. Second operand has 8 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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) [2021-10-29 05:21:11,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:21:11,550 INFO L93 Difference]: Finished difference Result 2201 states and 6655 transitions. [2021-10-29 05:21:11,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 05:21:11,551 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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) Word has length 26 [2021-10-29 05:21:11,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:21:11,559 INFO L225 Difference]: With dead ends: 2201 [2021-10-29 05:21:11,559 INFO L226 Difference]: Without dead ends: 1902 [2021-10-29 05:21:11,560 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2021-10-29 05:21:11,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1902 states. [2021-10-29 05:21:11,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1902 to 1718. [2021-10-29 05:21:11,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1718 states, 1717 states have (on average 3.094933022714036) internal successors, (5314), 1717 states have internal predecessors, (5314), 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) [2021-10-29 05:21:11,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1718 states to 1718 states and 5314 transitions. [2021-10-29 05:21:11,625 INFO L78 Accepts]: Start accepts. Automaton has 1718 states and 5314 transitions. Word has length 26 [2021-10-29 05:21:11,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:21:11,626 INFO L470 AbstractCegarLoop]: Abstraction has 1718 states and 5314 transitions. [2021-10-29 05:21:11,626 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 7 states have internal predecessors, (26), 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) [2021-10-29 05:21:11,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1718 states and 5314 transitions. [2021-10-29 05:21:11,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-29 05:21:11,633 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:21:11,634 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:21:11,634 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-29 05:21:11,634 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-29 05:21:11,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:21:11,635 INFO L85 PathProgramCache]: Analyzing trace with hash -2097683535, now seen corresponding path program 2 times [2021-10-29 05:21:11,635 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:21:11,635 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1039714802] [2021-10-29 05:21:11,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:21:11,636 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:21:11,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:21:11,779 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:21:11,779 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:21:11,780 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1039714802] [2021-10-29 05:21:11,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1039714802] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:21:11,780 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:21:11,780 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-29 05:21:11,781 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [436908351] [2021-10-29 05:21:11,781 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 05:21:11,781 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:21:11,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 05:21:11,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:21:11,782 INFO L87 Difference]: Start difference. First operand 1718 states and 5314 transitions. Second operand has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 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) [2021-10-29 05:21:11,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:21:11,825 INFO L93 Difference]: Finished difference Result 1642 states and 5162 transitions. [2021-10-29 05:21:11,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-29 05:21:11,826 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 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) Word has length 26 [2021-10-29 05:21:11,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:21:11,833 INFO L225 Difference]: With dead ends: 1642 [2021-10-29 05:21:11,833 INFO L226 Difference]: Without dead ends: 1456 [2021-10-29 05:21:11,833 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:21:11,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1456 states. [2021-10-29 05:21:11,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1456 to 1342. [2021-10-29 05:21:11,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1342 states, 1341 states have (on average 3.157345264727815) internal successors, (4234), 1341 states have internal predecessors, (4234), 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) [2021-10-29 05:21:11,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 4234 transitions. [2021-10-29 05:21:11,880 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 4234 transitions. Word has length 26 [2021-10-29 05:21:11,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:21:11,880 INFO L470 AbstractCegarLoop]: Abstraction has 1342 states and 4234 transitions. [2021-10-29 05:21:11,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.333333333333333) internal successors, (26), 5 states have internal predecessors, (26), 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) [2021-10-29 05:21:11,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 4234 transitions. [2021-10-29 05:21:11,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 05:21:11,886 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:21:11,886 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:21:11,886 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-29 05:21:11,887 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-29 05:21:11,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:21:11,887 INFO L85 PathProgramCache]: Analyzing trace with hash -1800734377, now seen corresponding path program 1 times [2021-10-29 05:21:11,888 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:21:11,888 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422655142] [2021-10-29 05:21:11,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:21:11,888 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:21:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:21:12,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:21:12,073 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:21:12,073 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422655142] [2021-10-29 05:21:12,073 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422655142] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:21:12,073 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:21:12,073 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-29 05:21:12,074 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307344752] [2021-10-29 05:21:12,074 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-29 05:21:12,074 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:21:12,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-29 05:21:12,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-29 05:21:12,075 INFO L87 Difference]: Start difference. First operand 1342 states and 4234 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:21:12,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:21:12,164 INFO L93 Difference]: Finished difference Result 2504 states and 7753 transitions. [2021-10-29 05:21:12,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-29 05:21:12,164 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-10-29 05:21:12,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:21:12,169 INFO L225 Difference]: With dead ends: 2504 [2021-10-29 05:21:12,169 INFO L226 Difference]: Without dead ends: 1177 [2021-10-29 05:21:12,170 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-10-29 05:21:12,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1177 states. [2021-10-29 05:21:12,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1177 to 802. [2021-10-29 05:21:12,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 802 states, 801 states have (on average 2.8963795255930087) internal successors, (2320), 801 states have internal predecessors, (2320), 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) [2021-10-29 05:21:12,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 2320 transitions. [2021-10-29 05:21:12,194 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 2320 transitions. Word has length 30 [2021-10-29 05:21:12,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:21:12,195 INFO L470 AbstractCegarLoop]: Abstraction has 802 states and 2320 transitions. [2021-10-29 05:21:12,195 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:21:12,195 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 2320 transitions. [2021-10-29 05:21:12,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 05:21:12,198 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:21:12,198 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:21:12,199 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-29 05:21:12,199 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-29 05:21:12,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:21:12,199 INFO L85 PathProgramCache]: Analyzing trace with hash -76140021, now seen corresponding path program 2 times [2021-10-29 05:21:12,200 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:21:12,200 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1299148450] [2021-10-29 05:21:12,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:21:12,200 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:21:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 05:21:12,487 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 05:21:12,488 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-29 05:21:12,488 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1299148450] [2021-10-29 05:21:12,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1299148450] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-29 05:21:12,488 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-29 05:21:12,488 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-29 05:21:12,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461723324] [2021-10-29 05:21:12,489 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-29 05:21:12,489 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-29 05:21:12,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-29 05:21:12,490 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-10-29 05:21:12,490 INFO L87 Difference]: Start difference. First operand 802 states and 2320 transitions. Second operand has 9 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:21:12,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-29 05:21:12,711 INFO L93 Difference]: Finished difference Result 841 states and 2407 transitions. [2021-10-29 05:21:12,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-29 05:21:12,711 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-10-29 05:21:12,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-29 05:21:12,714 INFO L225 Difference]: With dead ends: 841 [2021-10-29 05:21:12,714 INFO L226 Difference]: Without dead ends: 594 [2021-10-29 05:21:12,714 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2021-10-29 05:21:12,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2021-10-29 05:21:12,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 534. [2021-10-29 05:21:12,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 534 states, 533 states have (on average 2.821763602251407) internal successors, (1504), 533 states have internal predecessors, (1504), 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) [2021-10-29 05:21:12,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 534 states and 1504 transitions. [2021-10-29 05:21:12,728 INFO L78 Accepts]: Start accepts. Automaton has 534 states and 1504 transitions. Word has length 30 [2021-10-29 05:21:12,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-29 05:21:12,728 INFO L470 AbstractCegarLoop]: Abstraction has 534 states and 1504 transitions. [2021-10-29 05:21:12,729 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-29 05:21:12,729 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states and 1504 transitions. [2021-10-29 05:21:12,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-29 05:21:12,731 INFO L505 BasicCegarLoop]: Found error trace [2021-10-29 05:21:12,731 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:21:12,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-29 05:21:12,732 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P0Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-29 05:21:12,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 05:21:12,732 INFO L85 PathProgramCache]: Analyzing trace with hash -1045898249, now seen corresponding path program 3 times [2021-10-29 05:21:12,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-29 05:21:12,732 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1122421216] [2021-10-29 05:21:12,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-29 05:21:12,733 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 05:21:12,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 05:21:12,806 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 05:21:12,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 05:21:12,918 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-29 05:21:12,919 INFO L627 BasicCegarLoop]: Counterexample is feasible [2021-10-29 05:21:12,920 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:21:12,921 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:21:12,922 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-29 05:21:12,922 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-29 05:21:12,922 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-29 05:21:12,922 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-29 05:21:12,923 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P0Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-29 05:21:12,923 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-29 05:21:12,925 INFO L731 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1, 1, 1, 1] [2021-10-29 05:21:12,930 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-29 05:21:12,930 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-29 05:21:13,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.10 05:21:13 BasicIcfg [2021-10-29 05:21:13,101 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-29 05:21:13,102 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 05:21:13,102 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 05:21:13,102 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 05:21:13,103 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 05:20:59" (3/4) ... [2021-10-29 05:21:13,104 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 05:21:13,266 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7d97c5a-e6f6-40a6-9196-592962eb4b6f/bin/utaipan-SDwSMHVbGG/witness.graphml [2021-10-29 05:21:13,266 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 05:21:13,268 INFO L168 Benchmark]: Toolchain (without parser) took 16616.52 ms. Allocated memory was 92.3 MB in the beginning and 1.0 GB in the end (delta: 926.9 MB). Free memory was 55.7 MB in the beginning and 646.5 MB in the end (delta: -590.8 MB). Peak memory consumption was 334.6 MB. Max. memory is 16.1 GB. [2021-10-29 05:21:13,268 INFO L168 Benchmark]: CDTParser took 0.98 ms. Allocated memory is still 92.3 MB. Free memory was 63.9 MB in the beginning and 63.8 MB in the end (delta: 25.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 05:21:13,269 INFO L168 Benchmark]: CACSL2BoogieTranslator took 637.45 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 55.4 MB in the beginning and 75.6 MB in the end (delta: -20.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:21:13,269 INFO L168 Benchmark]: Boogie Procedure Inliner took 60.45 ms. Allocated memory is still 115.3 MB. Free memory was 75.6 MB in the beginning and 72.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:21:13,269 INFO L168 Benchmark]: Boogie Preprocessor took 55.14 ms. Allocated memory is still 115.3 MB. Free memory was 72.8 MB in the beginning and 70.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 05:21:13,270 INFO L168 Benchmark]: RCFGBuilder took 2353.21 ms. Allocated memory is still 115.3 MB. Free memory was 70.2 MB in the beginning and 39.7 MB in the end (delta: 30.6 MB). Peak memory consumption was 38.4 MB. Max. memory is 16.1 GB. [2021-10-29 05:21:13,270 INFO L168 Benchmark]: TraceAbstraction took 13328.52 ms. Allocated memory was 115.3 MB in the beginning and 1.0 GB in the end (delta: 903.9 MB). Free memory was 39.1 MB in the beginning and 674.8 MB in the end (delta: -635.7 MB). Peak memory consumption was 269.2 MB. Max. memory is 16.1 GB. [2021-10-29 05:21:13,271 INFO L168 Benchmark]: Witness Printer took 164.68 ms. Allocated memory is still 1.0 GB. Free memory was 674.8 MB in the beginning and 646.5 MB in the end (delta: 28.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. [2021-10-29 05:21:13,273 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.98 ms. Allocated memory is still 92.3 MB. Free memory was 63.9 MB in the beginning and 63.8 MB in the end (delta: 25.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 637.45 ms. Allocated memory was 92.3 MB in the beginning and 115.3 MB in the end (delta: 23.1 MB). Free memory was 55.4 MB in the beginning and 75.6 MB in the end (delta: -20.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 60.45 ms. Allocated memory is still 115.3 MB. Free memory was 75.6 MB in the beginning and 72.8 MB in the end (delta: 2.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 55.14 ms. Allocated memory is still 115.3 MB. Free memory was 72.8 MB in the beginning and 70.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2353.21 ms. Allocated memory is still 115.3 MB. Free memory was 70.2 MB in the beginning and 39.7 MB in the end (delta: 30.6 MB). Peak memory consumption was 38.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 13328.52 ms. Allocated memory was 115.3 MB in the beginning and 1.0 GB in the end (delta: 903.9 MB). Free memory was 39.1 MB in the beginning and 674.8 MB in the end (delta: -635.7 MB). Peak memory consumption was 269.2 MB. Max. memory is 16.1 GB. * Witness Printer took 164.68 ms. Allocated memory is still 1.0 GB. Free memory was 674.8 MB in the beginning and 646.5 MB in the end (delta: 28.3 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 5.4s, 143 PlacesBefore, 49 PlacesAfterwards, 132 TransitionsBefore, 37 TransitionsAfterwards, 3238 CoEnabledTransitionPairs, 7 FixpointIterations, 44 TrivialSequentialCompositions, 57 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 1 ChoiceCompositions, 108 TotalNumberOfCompositions, 9995 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4712, positive: 4465, positive conditional: 0, positive unconditional: 4465, negative: 247, negative conditional: 0, negative unconditional: 247, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2200, positive: 2147, positive conditional: 0, positive unconditional: 2147, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2200, positive: 2113, positive conditional: 0, positive unconditional: 2113, negative: 87, negative conditional: 0, negative unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 87, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 53, negative conditional: 0, negative unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 482, positive: 73, positive conditional: 0, positive unconditional: 73, negative: 409, negative conditional: 0, negative unconditional: 409, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4712, positive: 2318, positive conditional: 0, positive unconditional: 2318, negative: 194, negative conditional: 0, negative unconditional: 194, unknown: 2200, unknown conditional: 0, unknown unconditional: 2200] , Statistics on independence cache: Total cache size (in pairs): 269, Positive cache size: 240, Positive conditional cache size: 0, Positive unconditional cache size: 240, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29 - 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: 18]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L710] 0 int __unbuffered_cnt = 0; [L712] 0 int __unbuffered_p1_EAX = 0; [L714] 0 int __unbuffered_p1_EBX = 0; [L716] 0 int __unbuffered_p2_EAX = 0; [L718] 0 int __unbuffered_p3_EAX = 0; [L720] 0 int __unbuffered_p3_EBX = 0; [L722] 0 int a = 0; [L723] 0 _Bool a$flush_delayed; [L724] 0 int a$mem_tmp; [L725] 0 _Bool a$r_buff0_thd0; [L726] 0 _Bool a$r_buff0_thd1; [L727] 0 _Bool a$r_buff0_thd2; [L728] 0 _Bool a$r_buff0_thd3; [L729] 0 _Bool a$r_buff0_thd4; [L730] 0 _Bool a$r_buff1_thd0; [L731] 0 _Bool a$r_buff1_thd1; [L732] 0 _Bool a$r_buff1_thd2; [L733] 0 _Bool a$r_buff1_thd3; [L734] 0 _Bool a$r_buff1_thd4; [L735] 0 _Bool a$read_delayed; [L736] 0 int *a$read_delayed_var; [L737] 0 int a$w_buff0; [L738] 0 _Bool a$w_buff0_used; [L739] 0 int a$w_buff1; [L740] 0 _Bool a$w_buff1_used; [L741] 0 _Bool main$tmp_guard0; [L742] 0 _Bool main$tmp_guard1; [L744] 0 int x = 0; [L746] 0 int y = 0; [L748] 0 int z = 0; [L749] 0 _Bool weak$$choice0; [L750] 0 _Bool weak$$choice2; [L871] 0 pthread_t t353; [L872] FCALL, FORK 0 pthread_create(&t353, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=0, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=0, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L754] 1 a$w_buff1 = a$w_buff0 [L755] 1 a$w_buff0 = 1 [L756] 1 a$w_buff1_used = a$w_buff0_used [L757] 1 a$w_buff0_used = (_Bool)1 [L18] COND FALSE 1 !(!expression) [L759] 1 a$r_buff1_thd0 = a$r_buff0_thd0 [L760] 1 a$r_buff1_thd1 = a$r_buff0_thd1 [L761] 1 a$r_buff1_thd2 = a$r_buff0_thd2 [L762] 1 a$r_buff1_thd3 = a$r_buff0_thd3 [L763] 1 a$r_buff1_thd4 = a$r_buff0_thd4 [L764] 1 a$r_buff0_thd1 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0] [L873] 0 pthread_t t354; [L767] 1 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L874] FCALL, FORK 0 pthread_create(&t354, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L875] 0 pthread_t t355; [L876] FCALL, FORK 0 pthread_create(&t355, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z=0] [L784] 2 x = 2 VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L787] 2 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L790] 2 __unbuffered_p1_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z=0] [L793] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L793] EXPR 2 a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a [L793] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L793] 2 a = a$w_buff0_used && a$r_buff0_thd2 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd2 ? a$w_buff1 : a) [L794] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L794] 2 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$w_buff0_used [L795] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L795] 2 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$w_buff1_used [L796] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L796] 2 a$r_buff0_thd2 = a$w_buff0_used && a$r_buff0_thd2 ? (_Bool)0 : a$r_buff0_thd2 [L797] EXPR 2 a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L797] 2 a$r_buff1_thd2 = a$w_buff0_used && a$r_buff0_thd2 || a$w_buff1_used && a$r_buff1_thd2 ? (_Bool)0 : a$r_buff1_thd2 [L800] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L802] 2 return 0; [L807] 3 y = 1 VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L810] 3 __unbuffered_p2_EAX = z VAL [\result={0:0}, __unbuffered_cnt=1, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L813] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L813] EXPR 3 a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a [L813] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L813] 3 a = a$w_buff0_used && a$r_buff0_thd3 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd3 ? a$w_buff1 : a) [L814] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L814] 3 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$w_buff0_used [L815] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L815] 3 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$w_buff1_used [L816] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L816] 3 a$r_buff0_thd3 = a$w_buff0_used && a$r_buff0_thd3 ? (_Bool)0 : a$r_buff0_thd3 [L817] EXPR 3 a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L817] 3 a$r_buff1_thd3 = a$w_buff0_used && a$r_buff0_thd3 || a$w_buff1_used && a$r_buff1_thd3 ? (_Bool)0 : a$r_buff1_thd3 [L820] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L822] 3 return 0; [L877] 0 pthread_t t356; [L878] FCALL, FORK 0 pthread_create(&t356, ((void *)0), P3, ((void *)0)) VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=0] [L827] 4 z = 1 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=1] [L830] 4 __unbuffered_p3_EAX = z VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z=1] [L833] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L834] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L835] 4 a$flush_delayed = weak$$choice2 [L836] 4 a$mem_tmp = a [L837] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L837] 4 a = !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff1) [L838] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L838] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0) [L838] EXPR 4 weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L838] 4 a$w_buff0 = weak$$choice2 ? a$w_buff0 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : a$w_buff0)) [L839] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L839] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1) [L839] EXPR 4 weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L839] 4 a$w_buff1 = weak$$choice2 ? a$w_buff1 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1 : (a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff1 : a$w_buff1)) [L840] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L840] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used) [L840] EXPR 4 weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L840] 4 a$w_buff0_used = weak$$choice2 ? a$w_buff0_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff0_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used)) [L841] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L841] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L841] EXPR 4 weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L841] 4 a$w_buff1_used = weak$$choice2 ? a$w_buff1_used : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$w_buff1_used : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L842] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L842] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4) [L842] EXPR 4 weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L842] 4 a$r_buff0_thd4 = weak$$choice2 ? a$r_buff0_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff0_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4)) [L843] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L843] EXPR 4 !a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0) [L843] EXPR 4 weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L843] 4 a$r_buff1_thd4 = weak$$choice2 ? a$r_buff1_thd4 : (!a$w_buff0_used || !a$r_buff0_thd4 && !a$w_buff1_used || !a$r_buff0_thd4 && !a$r_buff1_thd4 ? a$r_buff1_thd4 : (a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L844] 4 __unbuffered_p3_EBX = a [L845] EXPR 4 a$flush_delayed ? a$mem_tmp : a [L845] 4 a = a$flush_delayed ? a$mem_tmp : a [L846] 4 a$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=1, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1] [L849] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L849] EXPR 4 a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a [L849] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L849] 4 a = a$w_buff0_used && a$r_buff0_thd4 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd4 ? a$w_buff1 : a) [L850] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L850] 4 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$w_buff0_used [L851] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L851] 4 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$w_buff1_used [L852] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L852] 4 a$r_buff0_thd4 = a$w_buff0_used && a$r_buff0_thd4 ? (_Bool)0 : a$r_buff0_thd4 [L853] EXPR 4 a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L853] 4 a$r_buff1_thd4 = a$w_buff0_used && a$r_buff0_thd4 || a$w_buff1_used && a$r_buff1_thd4 ? (_Bool)0 : a$r_buff1_thd4 [L856] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L858] 4 return 0; [L770] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L770] 1 a = a$w_buff0_used && a$r_buff0_thd1 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd1 ? a$w_buff1 : a) [L771] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L771] 1 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$w_buff0_used [L772] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L772] 1 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$w_buff1_used [L773] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L773] 1 a$r_buff0_thd1 = a$w_buff0_used && a$r_buff0_thd1 ? (_Bool)0 : a$r_buff0_thd1 [L774] EXPR 1 a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L774] 1 a$r_buff1_thd1 = a$w_buff0_used && a$r_buff0_thd1 || a$w_buff1_used && a$r_buff1_thd1 ? (_Bool)0 : a$r_buff1_thd1 [L777] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L779] 1 return 0; [L880] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1] [L884] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L884] EXPR 0 a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a [L884] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L884] 0 a = a$w_buff0_used && a$r_buff0_thd0 ? a$w_buff0 : (a$w_buff1_used && a$r_buff1_thd0 ? a$w_buff1 : a) [L885] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L885] 0 a$w_buff0_used = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$w_buff0_used [L886] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L886] 0 a$w_buff1_used = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$w_buff1_used [L887] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L887] 0 a$r_buff0_thd0 = a$w_buff0_used && a$r_buff0_thd0 ? (_Bool)0 : a$r_buff0_thd0 [L888] EXPR 0 a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L888] 0 a$r_buff1_thd0 = a$w_buff0_used && a$r_buff0_thd0 || a$w_buff1_used && a$r_buff1_thd0 ? (_Bool)0 : a$r_buff1_thd0 [L891] 0 main$tmp_guard1 = !(x == 2 && __unbuffered_p1_EAX == 2 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1] [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p1_EAX=2, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, a$flush_delayed=0, a$mem_tmp=0, a$r_buff0_thd0=0, a$r_buff0_thd1=1, a$r_buff0_thd2=0, a$r_buff0_thd3=0, a$r_buff0_thd4=0, a$r_buff1_thd0=0, a$r_buff1_thd1=0, a$r_buff1_thd2=0, a$r_buff1_thd3=0, a$r_buff1_thd4=0, a$read_delayed=0, a$read_delayed_var={0:0}, a$w_buff0=1, a$w_buff0_used=0, a$w_buff1=0, a$w_buff1_used=0, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=49, weak$$choice2=0, x=2, y=1, z=1] - UnprovableResult [Line: 18]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: Not analyzed. - UnprovableResult [Line: 878]: 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: 876]: 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: 874]: 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: 872]: 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 9 procedures, 170 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 12.9s, OverallIterations: 12, TraceHistogramMax: 1, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.1s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 5.8s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 493 SDtfs, 619 SDslu, 1012 SDs, 0 SdLazy, 352 SolverSat, 79 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6371occurred in iteration=2, InterpolantAutomatonStates: 59, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 2902 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 241 NumberOfCodeBlocks, 241 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 200 ConstructedInterpolants, 0 QuantifiedInterpolants, 1560 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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! [2021-10-29 05:21:13,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7d97c5a-e6f6-40a6-9196-592962eb4b6f/bin/utaipan-SDwSMHVbGG/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...