./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix013_rmo.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739729f8-1ae3-45e1-ab62-d02c7bf81bd6/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739729f8-1ae3-45e1-ab62-d02c7bf81bd6/bin/utaipan-q2qaUkNPG8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739729f8-1ae3-45e1-ab62-d02c7bf81bd6/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739729f8-1ae3-45e1-ab62-d02c7bf81bd6/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix013_rmo.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739729f8-1ae3-45e1-ab62-d02c7bf81bd6/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739729f8-1ae3-45e1-ab62-d02c7bf81bd6/bin/utaipan-q2qaUkNPG8 --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 bfc8562d3f545a97b46c6eca20e00e1fe57b4c2d ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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-4e77c04 [2021-10-13 06:44:03,232 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 06:44:03,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 06:44:03,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 06:44:03,299 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 06:44:03,304 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 06:44:03,306 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 06:44:03,310 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 06:44:03,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 06:44:03,320 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 06:44:03,321 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 06:44:03,323 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 06:44:03,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 06:44:03,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 06:44:03,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 06:44:03,336 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 06:44:03,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 06:44:03,341 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 06:44:03,343 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 06:44:03,349 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 06:44:03,352 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 06:44:03,353 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 06:44:03,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 06:44:03,358 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 06:44:03,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 06:44:03,364 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 06:44:03,365 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 06:44:03,367 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 06:44:03,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 06:44:03,369 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 06:44:03,369 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 06:44:03,370 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 06:44:03,372 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 06:44:03,374 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 06:44:03,375 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 06:44:03,375 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 06:44:03,376 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 06:44:03,377 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 06:44:03,377 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 06:44:03,378 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 06:44:03,379 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 06:44:03,380 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739729f8-1ae3-45e1-ab62-d02c7bf81bd6/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 06:44:03,427 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 06:44:03,427 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 06:44:03,429 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 06:44:03,429 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 06:44:03,429 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 06:44:03,430 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 06:44:03,430 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 06:44:03,430 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 06:44:03,430 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 06:44:03,431 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 06:44:03,432 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 06:44:03,432 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 06:44:03,432 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 06:44:03,432 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 06:44:03,433 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 06:44:03,433 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 06:44:03,434 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 06:44:03,434 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 06:44:03,434 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 06:44:03,434 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 06:44:03,435 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 06:44:03,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 06:44:03,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 06:44:03,435 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 06:44:03,435 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 06:44:03,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 06:44:03,436 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 06:44:03,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 06:44:03,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 06:44:03,438 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 06:44:03,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:44:03,439 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 06:44:03,439 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 06:44:03,439 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 06:44:03,439 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 06:44:03,440 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 06:44:03,440 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 06:44:03,440 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 06:44:03,440 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 06:44:03,440 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_739729f8-1ae3-45e1-ab62-d02c7bf81bd6/bin/utaipan-q2qaUkNPG8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739729f8-1ae3-45e1-ab62-d02c7bf81bd6/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfc8562d3f545a97b46c6eca20e00e1fe57b4c2d [2021-10-13 06:44:03,756 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 06:44:03,782 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 06:44:03,785 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 06:44:03,786 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 06:44:03,787 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 06:44:03,788 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739729f8-1ae3-45e1-ab62-d02c7bf81bd6/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/pthread-wmm/mix013_rmo.opt.i [2021-10-13 06:44:03,868 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739729f8-1ae3-45e1-ab62-d02c7bf81bd6/bin/utaipan-q2qaUkNPG8/data/6608896b3/630142811532403abc045451fd2b861b/FLAG1a4a47d27 [2021-10-13 06:44:04,432 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 06:44:04,433 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739729f8-1ae3-45e1-ab62-d02c7bf81bd6/sv-benchmarks/c/pthread-wmm/mix013_rmo.opt.i [2021-10-13 06:44:04,453 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739729f8-1ae3-45e1-ab62-d02c7bf81bd6/bin/utaipan-q2qaUkNPG8/data/6608896b3/630142811532403abc045451fd2b861b/FLAG1a4a47d27 [2021-10-13 06:44:04,707 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739729f8-1ae3-45e1-ab62-d02c7bf81bd6/bin/utaipan-q2qaUkNPG8/data/6608896b3/630142811532403abc045451fd2b861b [2021-10-13 06:44:04,709 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 06:44:04,711 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 06:44:04,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 06:44:04,721 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 06:44:04,726 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 06:44:04,726 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:44:04" (1/1) ... [2021-10-13 06:44:04,728 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1dd09713 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:04, skipping insertion in model container [2021-10-13 06:44:04,728 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 06:44:04" (1/1) ... [2021-10-13 06:44:04,736 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 06:44:04,813 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 06:44:05,031 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_739729f8-1ae3-45e1-ab62-d02c7bf81bd6/sv-benchmarks/c/pthread-wmm/mix013_rmo.opt.i[948,961] [2021-10-13 06:44:05,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:44:05,337 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 06:44:05,351 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_739729f8-1ae3-45e1-ab62-d02c7bf81bd6/sv-benchmarks/c/pthread-wmm/mix013_rmo.opt.i[948,961] [2021-10-13 06:44:05,409 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 06:44:05,457 INFO L208 MainTranslator]: Completed translation [2021-10-13 06:44:05,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:05 WrapperNode [2021-10-13 06:44:05,457 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 06:44:05,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 06:44:05,459 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 06:44:05,459 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 06:44:05,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:05" (1/1) ... [2021-10-13 06:44:05,507 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:05" (1/1) ... [2021-10-13 06:44:05,541 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 06:44:05,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 06:44:05,542 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 06:44:05,542 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 06:44:05,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:05" (1/1) ... [2021-10-13 06:44:05,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:05" (1/1) ... [2021-10-13 06:44:05,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:05" (1/1) ... [2021-10-13 06:44:05,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:05" (1/1) ... [2021-10-13 06:44:05,568 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:05" (1/1) ... [2021-10-13 06:44:05,572 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:05" (1/1) ... [2021-10-13 06:44:05,577 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:05" (1/1) ... [2021-10-13 06:44:05,583 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 06:44:05,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 06:44:05,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 06:44:05,585 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 06:44:05,586 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:05" (1/1) ... [2021-10-13 06:44:05,610 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 06:44:05,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739729f8-1ae3-45e1-ab62-d02c7bf81bd6/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 06:44:05,642 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739729f8-1ae3-45e1-ab62-d02c7bf81bd6/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 06:44:05,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739729f8-1ae3-45e1-ab62-d02c7bf81bd6/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 06:44:05,689 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 06:44:05,690 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-13 06:44:05,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 06:44:05,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 06:44:05,693 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-10-13 06:44:05,693 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-10-13 06:44:05,693 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-10-13 06:44:05,693 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-10-13 06:44:05,693 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2021-10-13 06:44:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2021-10-13 06:44:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2021-10-13 06:44:05,694 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2021-10-13 06:44:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 06:44:05,694 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-13 06:44:05,695 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 06:44:05,695 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 06:44:05,697 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-10-13 06:44:08,076 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 06:44:08,077 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-13 06:44:08,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:44:08 BoogieIcfgContainer [2021-10-13 06:44:08,080 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 06:44:08,081 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 06:44:08,082 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 06:44:08,086 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 06:44:08,086 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 06:44:04" (1/3) ... [2021-10-13 06:44:08,087 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b73cabf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:44:08, skipping insertion in model container [2021-10-13 06:44:08,087 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 06:44:05" (2/3) ... [2021-10-13 06:44:08,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3b73cabf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 06:44:08, skipping insertion in model container [2021-10-13 06:44:08,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:44:08" (3/3) ... [2021-10-13 06:44:08,093 INFO L111 eAbstractionObserver]: Analyzing ICFG mix013_rmo.opt.i [2021-10-13 06:44:08,099 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-13 06:44:08,099 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 06:44:08,099 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-13 06:44:08,099 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-13 06:44:08,149 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,149 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,150 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,150 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,150 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,151 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,151 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,151 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,153 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,153 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,153 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,153 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,154 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,154 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,155 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,155 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,156 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,156 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,157 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,157 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,157 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,157 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,158 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,158 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,158 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,158 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,159 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,159 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,159 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,159 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,159 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,159 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,160 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,160 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,160 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,160 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,160 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,160 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,160 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,161 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,161 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,161 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,161 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,161 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,162 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,162 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,162 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,162 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,162 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,162 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,162 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,163 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,164 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,165 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,167 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,168 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,169 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,169 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,172 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,172 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,172 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,174 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,174 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,174 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,175 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,175 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,175 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,181 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,181 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,181 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,181 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,181 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,181 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,182 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,182 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,182 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,183 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,183 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,183 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,183 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,183 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,184 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,184 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,184 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,184 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,184 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,184 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,184 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,186 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,186 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,187 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,187 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,187 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,187 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,187 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,187 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,188 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,188 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,188 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,188 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,188 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,188 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,189 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,189 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,190 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,190 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,190 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,190 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,191 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,191 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,191 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,191 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,191 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,191 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,192 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,192 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,192 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,192 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,192 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,192 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,193 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,193 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,193 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,193 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,193 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,193 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,194 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,195 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,195 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,195 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,195 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,197 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,197 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,198 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,198 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,198 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,198 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,198 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,198 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,199 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,199 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,199 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,199 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,199 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,199 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,200 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,201 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,201 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,201 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,202 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,202 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,202 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,202 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,202 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,202 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,203 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,203 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,203 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,203 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,203 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,203 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,204 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,204 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,204 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,204 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,204 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,204 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,205 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,205 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,205 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,205 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,205 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,205 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,205 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,206 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,206 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,206 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,206 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,206 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,206 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,207 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,207 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,207 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,207 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,210 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,213 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,214 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,214 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,214 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,214 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,214 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,215 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,215 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,215 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,216 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,217 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,217 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,218 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,218 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,218 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,218 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,219 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,231 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,232 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,233 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,233 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,233 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,233 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,233 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,234 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,246 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,247 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,247 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,247 WARN L313 ript$VariableManager]: TermVariabe P2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,247 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,247 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,248 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,248 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,248 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,248 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,248 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,248 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,249 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,249 WARN L313 ript$VariableManager]: TermVariabe |P2Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,251 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,251 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,251 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,252 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,253 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,253 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,253 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,254 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,254 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,254 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,254 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,254 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,254 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,255 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,255 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,255 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,255 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,255 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,255 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,256 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,256 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,256 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,256 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,256 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,256 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,257 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~nondet29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,257 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,257 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,258 WARN L313 ript$VariableManager]: TermVariabe P3Thread1of1ForFork2___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,258 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,258 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,258 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,259 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,259 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,259 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,259 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,259 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,260 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,260 WARN L313 ript$VariableManager]: TermVariabe |P3Thread1of1ForFork2_#t~ite40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,261 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,262 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,262 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork3_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,262 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork3_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 06:44:08,263 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-13 06:44:08,320 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 06:44:08,328 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, mConcurrency=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 [2021-10-13 06:44:08,328 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2021-10-13 06:44:08,353 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-13 06:44:08,364 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 141 places, 130 transitions, 280 flow [2021-10-13 06:44:08,367 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 141 places, 130 transitions, 280 flow [2021-10-13 06:44:08,369 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 141 places, 130 transitions, 280 flow [2021-10-13 06:44:08,419 INFO L129 PetriNetUnfolder]: 2/126 cut-off events. [2021-10-13 06:44:08,420 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-13 06:44:08,423 INFO L84 FinitePrefix]: Finished finitePrefix Result has 139 conditions, 126 events. 2/126 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 68 event pairs, 0 based on Foata normal form. 0/122 useless extension candidates. Maximal degree in co-relation 85. Up to 2 conditions per place. [2021-10-13 06:44:08,428 INFO L116 LiptonReduction]: Number of co-enabled transitions 2794 [2021-10-13 06:44:14,912 INFO L131 LiptonReduction]: Checked pairs total: 7335 [2021-10-13 06:44:14,913 INFO L133 LiptonReduction]: Total number of compositions: 109 [2021-10-13 06:44:14,921 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 32 transitions, 84 flow [2021-10-13 06:44:15,057 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 2610 states, 2607 states have (on average 3.8381281166091292) internal successors, (10006), 2609 states have internal predecessors, (10006), 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) [2021-10-13 06:44:15,069 INFO L276 IsEmpty]: Start isEmpty. Operand has 2610 states, 2607 states have (on average 3.8381281166091292) internal successors, (10006), 2609 states have internal predecessors, (10006), 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) [2021-10-13 06:44:15,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 06:44:15,077 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:15,078 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:15,078 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P3Err0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 06:44:15,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:15,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1224818080, now seen corresponding path program 1 times [2021-10-13 06:44:15,093 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:15,093 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903980172] [2021-10-13 06:44:15,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:15,094 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:15,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:15,448 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:15,449 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [903980172] [2021-10-13 06:44:15,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [903980172] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:15,450 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:15,450 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-13 06:44:15,453 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823588530] [2021-10-13 06:44:15,464 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:44:15,465 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:15,481 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:44:15,482 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:15,496 INFO L87 Difference]: Start difference. First operand has 2610 states, 2607 states have (on average 3.8381281166091292) internal successors, (10006), 2609 states have internal predecessors, (10006), 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 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-10-13 06:44:15,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:15,615 INFO L93 Difference]: Finished difference Result 2210 states and 8366 transitions. [2021-10-13 06:44:15,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:44:15,617 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2021-10-13 06:44:15,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:15,662 INFO L225 Difference]: With dead ends: 2210 [2021-10-13 06:44:15,662 INFO L226 Difference]: Without dead ends: 2130 [2021-10-13 06:44:15,663 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:15,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2130 states. [2021-10-13 06:44:15,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2130 to 2130. [2021-10-13 06:44:15,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2130 states, 2129 states have (on average 3.8055425082198213) internal successors, (8102), 2129 states have internal predecessors, (8102), 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) [2021-10-13 06:44:15,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2130 states to 2130 states and 8102 transitions. [2021-10-13 06:44:15,869 INFO L78 Accepts]: Start accepts. Automaton has 2130 states and 8102 transitions. Word has length 9 [2021-10-13 06:44:15,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:15,870 INFO L470 AbstractCegarLoop]: Abstraction has 2130 states and 8102 transitions. [2021-10-13 06:44:15,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 2 states have internal predecessors, (9), 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) [2021-10-13 06:44:15,871 INFO L276 IsEmpty]: Start isEmpty. Operand 2130 states and 8102 transitions. [2021-10-13 06:44:15,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-13 06:44:15,874 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:15,874 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:15,874 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 06:44:15,875 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 06:44:15,875 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:15,876 INFO L82 PathProgramCache]: Analyzing trace with hash 229234358, now seen corresponding path program 1 times [2021-10-13 06:44:15,876 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:15,876 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1814983234] [2021-10-13 06:44:15,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:15,876 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:15,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:15,990 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:15,991 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1814983234] [2021-10-13 06:44:15,991 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1814983234] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:15,991 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:15,992 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-13 06:44:15,992 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [991635319] [2021-10-13 06:44:15,993 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:44:15,994 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:15,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:44:16,004 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:16,004 INFO L87 Difference]: Start difference. First operand 2130 states and 8102 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-10-13 06:44:16,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:16,055 INFO L93 Difference]: Finished difference Result 2114 states and 8022 transitions. [2021-10-13 06:44:16,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:44:16,056 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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 11 [2021-10-13 06:44:16,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:16,081 INFO L225 Difference]: With dead ends: 2114 [2021-10-13 06:44:16,081 INFO L226 Difference]: Without dead ends: 2114 [2021-10-13 06:44:16,082 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:16,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2114 states. [2021-10-13 06:44:16,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2114 to 2114. [2021-10-13 06:44:16,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2114 states, 2113 states have (on average 3.79649787032655) internal successors, (8022), 2113 states have internal predecessors, (8022), 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) [2021-10-13 06:44:16,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2114 states to 2114 states and 8022 transitions. [2021-10-13 06:44:16,187 INFO L78 Accepts]: Start accepts. Automaton has 2114 states and 8022 transitions. Word has length 11 [2021-10-13 06:44:16,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:16,188 INFO L470 AbstractCegarLoop]: Abstraction has 2114 states and 8022 transitions. [2021-10-13 06:44:16,188 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 2 states have internal predecessors, (11), 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) [2021-10-13 06:44:16,188 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 8022 transitions. [2021-10-13 06:44:16,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 06:44:16,195 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:16,195 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:16,195 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 06:44:16,196 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 06:44:16,196 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:16,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1974054242, now seen corresponding path program 1 times [2021-10-13 06:44:16,197 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:16,197 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486672897] [2021-10-13 06:44:16,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:16,199 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:16,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:16,345 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:16,346 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:16,346 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1486672897] [2021-10-13 06:44:16,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1486672897] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:16,347 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:16,347 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-13 06:44:16,347 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1639775904] [2021-10-13 06:44:16,347 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:44:16,347 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:16,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:44:16,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:44:16,348 INFO L87 Difference]: Start difference. First operand 2114 states and 8022 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) [2021-10-13 06:44:16,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:16,395 INFO L93 Difference]: Finished difference Result 1938 states and 7270 transitions. [2021-10-13 06:44:16,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:44:16,396 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 [2021-10-13 06:44:16,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:16,418 INFO L225 Difference]: With dead ends: 1938 [2021-10-13 06:44:16,418 INFO L226 Difference]: Without dead ends: 1938 [2021-10-13 06:44:16,418 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 11.9ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:44:16,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1938 states. [2021-10-13 06:44:16,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1938 to 1938. [2021-10-13 06:44:16,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1938 states, 1937 states have (on average 3.7532266391326794) internal successors, (7270), 1937 states have internal predecessors, (7270), 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) [2021-10-13 06:44:16,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1938 states to 1938 states and 7270 transitions. [2021-10-13 06:44:16,555 INFO L78 Accepts]: Start accepts. Automaton has 1938 states and 7270 transitions. Word has length 13 [2021-10-13 06:44:16,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:16,555 INFO L470 AbstractCegarLoop]: Abstraction has 1938 states and 7270 transitions. [2021-10-13 06:44:16,555 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) [2021-10-13 06:44:16,556 INFO L276 IsEmpty]: Start isEmpty. Operand 1938 states and 7270 transitions. [2021-10-13 06:44:16,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 06:44:16,558 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:16,558 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:16,558 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 06:44:16,558 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 06:44:16,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:16,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1897215936, now seen corresponding path program 1 times [2021-10-13 06:44:16,559 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:16,559 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254887400] [2021-10-13 06:44:16,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:16,560 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:16,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:16,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:16,611 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:16,611 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254887400] [2021-10-13 06:44:16,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254887400] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:16,611 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:16,612 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-13 06:44:16,612 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778006083] [2021-10-13 06:44:16,613 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 06:44:16,613 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:16,613 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 06:44:16,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:16,614 INFO L87 Difference]: Start difference. First operand 1938 states and 7270 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 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) [2021-10-13 06:44:16,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:16,646 INFO L93 Difference]: Finished difference Result 1842 states and 6870 transitions. [2021-10-13 06:44:16,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 06:44:16,647 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 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 [2021-10-13 06:44:16,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:16,667 INFO L225 Difference]: With dead ends: 1842 [2021-10-13 06:44:16,667 INFO L226 Difference]: Without dead ends: 1842 [2021-10-13 06:44:16,668 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 06:44:16,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1842 states. [2021-10-13 06:44:16,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1842 to 1842. [2021-10-13 06:44:16,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1842 states, 1841 states have (on average 3.7316675719717547) internal successors, (6870), 1841 states have internal predecessors, (6870), 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) [2021-10-13 06:44:16,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1842 states to 1842 states and 6870 transitions. [2021-10-13 06:44:16,768 INFO L78 Accepts]: Start accepts. Automaton has 1842 states and 6870 transitions. Word has length 13 [2021-10-13 06:44:16,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:16,769 INFO L470 AbstractCegarLoop]: Abstraction has 1842 states and 6870 transitions. [2021-10-13 06:44:16,769 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 2 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) [2021-10-13 06:44:16,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 6870 transitions. [2021-10-13 06:44:16,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 06:44:16,773 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:16,773 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:16,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 06:44:16,774 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 06:44:16,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:16,775 INFO L82 PathProgramCache]: Analyzing trace with hash 2098470890, now seen corresponding path program 1 times [2021-10-13 06:44:16,775 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:16,775 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785050880] [2021-10-13 06:44:16,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:16,776 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:16,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:16,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:16,920 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:16,921 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785050880] [2021-10-13 06:44:16,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785050880] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:16,921 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:16,921 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 06:44:16,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144964212] [2021-10-13 06:44:16,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:44:16,922 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:16,923 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:44:16,923 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:44:16,924 INFO L87 Difference]: Start difference. First operand 1842 states and 6870 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-10-13 06:44:16,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:16,981 INFO L93 Difference]: Finished difference Result 1908 states and 6484 transitions. [2021-10-13 06:44:16,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 06:44:16,981 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 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 15 [2021-10-13 06:44:16,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:16,997 INFO L225 Difference]: With dead ends: 1908 [2021-10-13 06:44:16,997 INFO L226 Difference]: Without dead ends: 1428 [2021-10-13 06:44:16,997 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.5ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:44:17,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2021-10-13 06:44:17,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1428. [2021-10-13 06:44:17,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1428 states, 1427 states have (on average 3.3637000700770847) internal successors, (4800), 1427 states have internal predecessors, (4800), 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) [2021-10-13 06:44:17,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 4800 transitions. [2021-10-13 06:44:17,079 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 4800 transitions. Word has length 15 [2021-10-13 06:44:17,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:17,080 INFO L470 AbstractCegarLoop]: Abstraction has 1428 states and 4800 transitions. [2021-10-13 06:44:17,080 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 3 states have internal predecessors, (15), 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) [2021-10-13 06:44:17,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 4800 transitions. [2021-10-13 06:44:17,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-13 06:44:17,084 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:17,084 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:17,084 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 06:44:17,084 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 06:44:17,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:17,085 INFO L82 PathProgramCache]: Analyzing trace with hash 1422077657, now seen corresponding path program 1 times [2021-10-13 06:44:17,085 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:17,085 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436496014] [2021-10-13 06:44:17,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:17,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:17,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:17,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:17,218 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:17,218 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436496014] [2021-10-13 06:44:17,218 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436496014] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:17,219 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:17,219 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 06:44:17,219 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098996133] [2021-10-13 06:44:17,219 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 06:44:17,220 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:17,220 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 06:44:17,220 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:44:17,221 INFO L87 Difference]: Start difference. First operand 1428 states and 4800 transitions. Second operand has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 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) [2021-10-13 06:44:17,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:17,265 INFO L93 Difference]: Finished difference Result 1245 states and 3853 transitions. [2021-10-13 06:44:17,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 06:44:17,266 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 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 17 [2021-10-13 06:44:17,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:17,275 INFO L225 Difference]: With dead ends: 1245 [2021-10-13 06:44:17,275 INFO L226 Difference]: Without dead ends: 945 [2021-10-13 06:44:17,275 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 10.8ms TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:44:17,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2021-10-13 06:44:17,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 945. [2021-10-13 06:44:17,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 945 states, 944 states have (on average 3.038135593220339) internal successors, (2868), 944 states have internal predecessors, (2868), 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) [2021-10-13 06:44:17,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 2868 transitions. [2021-10-13 06:44:17,311 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 2868 transitions. Word has length 17 [2021-10-13 06:44:17,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:17,311 INFO L470 AbstractCegarLoop]: Abstraction has 945 states and 2868 transitions. [2021-10-13 06:44:17,312 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.4) internal successors, (17), 4 states have internal predecessors, (17), 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) [2021-10-13 06:44:17,312 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 2868 transitions. [2021-10-13 06:44:17,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-13 06:44:17,314 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:17,315 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 06:44:17,315 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-13 06:44:17,315 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 06:44:17,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:17,316 INFO L82 PathProgramCache]: Analyzing trace with hash 302839894, now seen corresponding path program 1 times [2021-10-13 06:44:17,316 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:17,316 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346350967] [2021-10-13 06:44:17,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:17,316 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:17,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:17,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:17,404 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:17,404 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346350967] [2021-10-13 06:44:17,404 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346350967] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:17,405 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:17,405 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 06:44:17,405 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [324844276] [2021-10-13 06:44:17,405 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 06:44:17,406 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:17,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 06:44:17,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2021-10-13 06:44:17,406 INFO L87 Difference]: Start difference. First operand 945 states and 2868 transitions. Second operand has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 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) [2021-10-13 06:44:17,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:17,459 INFO L93 Difference]: Finished difference Result 833 states and 2499 transitions. [2021-10-13 06:44:17,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 06:44:17,460 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 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 20 [2021-10-13 06:44:17,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:17,467 INFO L225 Difference]: With dead ends: 833 [2021-10-13 06:44:17,467 INFO L226 Difference]: Without dead ends: 734 [2021-10-13 06:44:17,468 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 15.2ms TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-10-13 06:44:17,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2021-10-13 06:44:17,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 734. [2021-10-13 06:44:17,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 734 states, 733 states have (on average 3.049113233287858) internal successors, (2235), 733 states have internal predecessors, (2235), 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) [2021-10-13 06:44:17,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 2235 transitions. [2021-10-13 06:44:17,497 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 2235 transitions. Word has length 20 [2021-10-13 06:44:17,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:17,497 INFO L470 AbstractCegarLoop]: Abstraction has 734 states and 2235 transitions. [2021-10-13 06:44:17,497 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 5 states have internal predecessors, (20), 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) [2021-10-13 06:44:17,498 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 2235 transitions. [2021-10-13 06:44:17,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2021-10-13 06:44:17,500 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:17,500 INFO L512 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] [2021-10-13 06:44:17,501 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-13 06:44:17,501 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 06:44:17,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:17,501 INFO L82 PathProgramCache]: Analyzing trace with hash 1301700823, now seen corresponding path program 1 times [2021-10-13 06:44:17,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:17,502 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441282209] [2021-10-13 06:44:17,502 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:17,502 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:17,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:17,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:17,668 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:17,668 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441282209] [2021-10-13 06:44:17,669 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441282209] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:17,669 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:17,669 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 06:44:17,669 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [427432514] [2021-10-13 06:44:17,669 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 06:44:17,670 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:17,670 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 06:44:17,671 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-13 06:44:17,671 INFO L87 Difference]: Start difference. First operand 734 states and 2235 transitions. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 6 states have internal predecessors, (23), 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) [2021-10-13 06:44:17,754 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:17,754 INFO L93 Difference]: Finished difference Result 709 states and 2183 transitions. [2021-10-13 06:44:17,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 06:44:17,755 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 6 states have internal predecessors, (23), 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 23 [2021-10-13 06:44:17,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:17,762 INFO L225 Difference]: With dead ends: 709 [2021-10-13 06:44:17,762 INFO L226 Difference]: Without dead ends: 693 [2021-10-13 06:44:17,763 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 20.1ms TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2021-10-13 06:44:17,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2021-10-13 06:44:17,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 693. [2021-10-13 06:44:17,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 693 states, 692 states have (on average 3.111271676300578) internal successors, (2153), 692 states have internal predecessors, (2153), 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) [2021-10-13 06:44:17,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 693 states to 693 states and 2153 transitions. [2021-10-13 06:44:17,794 INFO L78 Accepts]: Start accepts. Automaton has 693 states and 2153 transitions. Word has length 23 [2021-10-13 06:44:17,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:17,794 INFO L470 AbstractCegarLoop]: Abstraction has 693 states and 2153 transitions. [2021-10-13 06:44:17,795 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 6 states have internal predecessors, (23), 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) [2021-10-13 06:44:17,795 INFO L276 IsEmpty]: Start isEmpty. Operand 693 states and 2153 transitions. [2021-10-13 06:44:17,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 06:44:17,798 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:17,798 INFO L512 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] [2021-10-13 06:44:17,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-13 06:44:17,799 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 06:44:17,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:17,799 INFO L82 PathProgramCache]: Analyzing trace with hash -1430557724, now seen corresponding path program 1 times [2021-10-13 06:44:17,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:17,803 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986367867] [2021-10-13 06:44:17,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:17,804 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:17,953 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:17,953 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:17,954 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986367867] [2021-10-13 06:44:17,954 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986367867] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:17,955 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:17,955 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 06:44:17,956 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244573691] [2021-10-13 06:44:17,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 06:44:17,956 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:17,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 06:44:17,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:44:17,957 INFO L87 Difference]: Start difference. First operand 693 states and 2153 transitions. Second operand has 5 states, 4 states have (on average 6.5) 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) [2021-10-13 06:44:18,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:18,013 INFO L93 Difference]: Finished difference Result 875 states and 2674 transitions. [2021-10-13 06:44:18,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 06:44:18,014 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) 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 [2021-10-13 06:44:18,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:18,019 INFO L225 Difference]: With dead ends: 875 [2021-10-13 06:44:18,020 INFO L226 Difference]: Without dead ends: 357 [2021-10-13 06:44:18,020 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 34.6ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-13 06:44:18,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2021-10-13 06:44:18,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 357. [2021-10-13 06:44:18,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 356 states have (on average 2.7865168539325844) internal successors, (992), 356 states have internal predecessors, (992), 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) [2021-10-13 06:44:18,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 992 transitions. [2021-10-13 06:44:18,035 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 992 transitions. Word has length 26 [2021-10-13 06:44:18,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:18,035 INFO L470 AbstractCegarLoop]: Abstraction has 357 states and 992 transitions. [2021-10-13 06:44:18,035 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) 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) [2021-10-13 06:44:18,035 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 992 transitions. [2021-10-13 06:44:18,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 06:44:18,039 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:18,039 INFO L512 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] [2021-10-13 06:44:18,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-13 06:44:18,040 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 06:44:18,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:18,040 INFO L82 PathProgramCache]: Analyzing trace with hash 1255619450, now seen corresponding path program 2 times [2021-10-13 06:44:18,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:18,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811601000] [2021-10-13 06:44:18,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:18,041 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:18,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:18,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:18,161 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:18,161 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811601000] [2021-10-13 06:44:18,161 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811601000] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:18,162 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:18,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 06:44:18,162 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [83802008] [2021-10-13 06:44:18,163 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 06:44:18,163 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:18,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 06:44:18,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:44:18,164 INFO L87 Difference]: Start difference. First operand 357 states and 992 transitions. Second operand has 5 states, 4 states have (on average 6.5) 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) [2021-10-13 06:44:18,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:18,215 INFO L93 Difference]: Finished difference Result 455 states and 1250 transitions. [2021-10-13 06:44:18,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 06:44:18,216 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.5) 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 [2021-10-13 06:44:18,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:18,218 INFO L225 Difference]: With dead ends: 455 [2021-10-13 06:44:18,218 INFO L226 Difference]: Without dead ends: 173 [2021-10-13 06:44:18,218 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 31.0ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-13 06:44:18,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2021-10-13 06:44:18,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2021-10-13 06:44:18,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 172 states have (on average 2.488372093023256) internal successors, (428), 172 states have internal predecessors, (428), 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) [2021-10-13 06:44:18,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 428 transitions. [2021-10-13 06:44:18,225 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 428 transitions. Word has length 26 [2021-10-13 06:44:18,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:18,225 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 428 transitions. [2021-10-13 06:44:18,225 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.5) 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) [2021-10-13 06:44:18,225 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 428 transitions. [2021-10-13 06:44:18,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 06:44:18,227 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:18,228 INFO L512 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] [2021-10-13 06:44:18,228 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-13 06:44:18,228 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 06:44:18,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:18,229 INFO L82 PathProgramCache]: Analyzing trace with hash 2138972172, now seen corresponding path program 3 times [2021-10-13 06:44:18,229 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:18,229 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983871837] [2021-10-13 06:44:18,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:18,229 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:18,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:18,353 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:18,353 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983871837] [2021-10-13 06:44:18,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983871837] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:18,354 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:18,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 06:44:18,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671297197] [2021-10-13 06:44:18,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-13 06:44:18,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:18,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-13 06:44:18,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-13 06:44:18,360 INFO L87 Difference]: Start difference. First operand 173 states and 428 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 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) [2021-10-13 06:44:18,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:18,374 INFO L93 Difference]: Finished difference Result 211 states and 514 transitions. [2021-10-13 06:44:18,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-13 06:44:18,375 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 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 [2021-10-13 06:44:18,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:18,376 INFO L225 Difference]: With dead ends: 211 [2021-10-13 06:44:18,376 INFO L226 Difference]: Without dead ends: 86 [2021-10-13 06:44:18,377 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.0ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-13 06:44:18,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2021-10-13 06:44:18,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2021-10-13 06:44:18,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 85 states have (on average 2.1058823529411765) internal successors, (179), 85 states have internal predecessors, (179), 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) [2021-10-13 06:44:18,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 179 transitions. [2021-10-13 06:44:18,380 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 179 transitions. Word has length 26 [2021-10-13 06:44:18,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:18,381 INFO L470 AbstractCegarLoop]: Abstraction has 86 states and 179 transitions. [2021-10-13 06:44:18,381 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 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) [2021-10-13 06:44:18,381 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 179 transitions. [2021-10-13 06:44:18,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 06:44:18,383 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:18,383 INFO L512 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] [2021-10-13 06:44:18,383 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-13 06:44:18,383 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 06:44:18,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:18,384 INFO L82 PathProgramCache]: Analyzing trace with hash -126487204, now seen corresponding path program 4 times [2021-10-13 06:44:18,384 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:18,384 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542482668] [2021-10-13 06:44:18,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:18,385 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:18,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 06:44:18,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-13 06:44:18,775 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 06:44:18,775 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542482668] [2021-10-13 06:44:18,775 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542482668] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 06:44:18,775 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 06:44:18,775 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 06:44:18,776 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1092607083] [2021-10-13 06:44:18,776 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 06:44:18,776 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 06:44:18,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 06:44:18,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-10-13 06:44:18,777 INFO L87 Difference]: Start difference. First operand 86 states and 179 transitions. Second operand has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 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) [2021-10-13 06:44:18,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 06:44:18,956 INFO L93 Difference]: Finished difference Result 104 states and 213 transitions. [2021-10-13 06:44:18,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 06:44:18,957 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 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 [2021-10-13 06:44:18,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 06:44:18,958 INFO L225 Difference]: With dead ends: 104 [2021-10-13 06:44:18,958 INFO L226 Difference]: Without dead ends: 54 [2021-10-13 06:44:18,958 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 166.7ms TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-10-13 06:44:18,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2021-10-13 06:44:18,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2021-10-13 06:44:18,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 53 states have (on average 1.7547169811320755) internal successors, (93), 53 states have internal predecessors, (93), 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) [2021-10-13 06:44:18,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 93 transitions. [2021-10-13 06:44:18,960 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 93 transitions. Word has length 26 [2021-10-13 06:44:18,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 06:44:18,961 INFO L470 AbstractCegarLoop]: Abstraction has 54 states and 93 transitions. [2021-10-13 06:44:18,961 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 4.333333333333333) internal successors, (26), 6 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) [2021-10-13 06:44:18,961 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 93 transitions. [2021-10-13 06:44:18,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-13 06:44:18,961 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 06:44:18,961 INFO L512 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] [2021-10-13 06:44:18,962 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-13 06:44:18,962 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P3Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2021-10-13 06:44:18,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 06:44:18,962 INFO L82 PathProgramCache]: Analyzing trace with hash -29320618, now seen corresponding path program 5 times [2021-10-13 06:44:18,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 06:44:18,962 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286536536] [2021-10-13 06:44:18,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 06:44:18,963 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 06:44:19,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 06:44:19,050 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-13 06:44:19,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-13 06:44:19,178 INFO L133 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2021-10-13 06:44:19,178 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-10-13 06:44:19,179 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:44:19,181 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:44:19,181 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-13 06:44:19,181 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-13 06:44:19,181 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATION [2021-10-13 06:44:19,182 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATION [2021-10-13 06:44:19,182 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location P3Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 06:44:19,182 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-13 06:44:19,188 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-13 06:44:19,188 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 06:44:19,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 06:44:19 BasicIcfg [2021-10-13 06:44:19,356 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 06:44:19,357 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 06:44:19,358 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 06:44:19,358 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 06:44:19,358 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 06:44:08" (3/4) ... [2021-10-13 06:44:19,360 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-13 06:44:19,524 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739729f8-1ae3-45e1-ab62-d02c7bf81bd6/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 06:44:19,524 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 06:44:19,526 INFO L168 Benchmark]: Toolchain (without parser) took 14813.95 ms. Allocated memory was 104.9 MB in the beginning and 260.0 MB in the end (delta: 155.2 MB). Free memory was 60.4 MB in the beginning and 122.6 MB in the end (delta: -62.2 MB). Peak memory consumption was 92.4 MB. Max. memory is 16.1 GB. [2021-10-13 06:44:19,526 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 104.9 MB. Free memory is still 78.9 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 06:44:19,527 INFO L168 Benchmark]: CACSL2BoogieTranslator took 737.04 ms. Allocated memory is still 104.9 MB. Free memory was 60.2 MB in the beginning and 63.3 MB in the end (delta: -3.0 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. [2021-10-13 06:44:19,527 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.30 ms. Allocated memory is still 104.9 MB. Free memory was 63.3 MB in the beginning and 60.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 06:44:19,528 INFO L168 Benchmark]: Boogie Preprocessor took 41.97 ms. Allocated memory is still 104.9 MB. Free memory was 60.2 MB in the beginning and 57.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 06:44:19,528 INFO L168 Benchmark]: RCFGBuilder took 2495.63 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 57.8 MB in the beginning and 79.8 MB in the end (delta: -21.9 MB). Peak memory consumption was 45.8 MB. Max. memory is 16.1 GB. [2021-10-13 06:44:19,529 INFO L168 Benchmark]: TraceAbstraction took 11275.21 ms. Allocated memory was 125.8 MB in the beginning and 260.0 MB in the end (delta: 134.2 MB). Free memory was 78.8 MB in the beginning and 148.8 MB in the end (delta: -70.0 MB). Peak memory consumption was 65.1 MB. Max. memory is 16.1 GB. [2021-10-13 06:44:19,529 INFO L168 Benchmark]: Witness Printer took 167.32 ms. Allocated memory is still 260.0 MB. Free memory was 148.8 MB in the beginning and 122.6 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. [2021-10-13 06:44:19,535 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 104.9 MB. Free memory is still 78.9 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 737.04 ms. Allocated memory is still 104.9 MB. Free memory was 60.2 MB in the beginning and 63.3 MB in the end (delta: -3.0 MB). Peak memory consumption was 8.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 82.30 ms. Allocated memory is still 104.9 MB. Free memory was 63.3 MB in the beginning and 60.2 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 41.97 ms. Allocated memory is still 104.9 MB. Free memory was 60.2 MB in the beginning and 57.8 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2495.63 ms. Allocated memory was 104.9 MB in the beginning and 125.8 MB in the end (delta: 21.0 MB). Free memory was 57.8 MB in the beginning and 79.8 MB in the end (delta: -21.9 MB). Peak memory consumption was 45.8 MB. Max. memory is 16.1 GB. * TraceAbstraction took 11275.21 ms. Allocated memory was 125.8 MB in the beginning and 260.0 MB in the end (delta: 134.2 MB). Free memory was 78.8 MB in the beginning and 148.8 MB in the end (delta: -70.0 MB). Peak memory consumption was 65.1 MB. Max. memory is 16.1 GB. * Witness Printer took 167.32 ms. Allocated memory is still 260.0 MB. Free memory was 148.8 MB in the beginning and 122.6 MB in the end (delta: 26.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 6546.0ms, 141 PlacesBefore, 45 PlacesAfterwards, 130 TransitionsBefore, 32 TransitionsAfterwards, 2794 CoEnabledTransitionPairs, 7 FixpointIterations, 45 TrivialSequentialCompositions, 54 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 109 TotalNumberOfCompositions, 7335 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4593, positive: 4382, positive conditional: 0, positive unconditional: 4382, negative: 211, negative conditional: 0, negative unconditional: 211, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2112, positive: 2054, positive conditional: 0, positive unconditional: 2054, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2112, positive: 2030, positive conditional: 0, positive unconditional: 2030, negative: 82, negative conditional: 0, negative unconditional: 82, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 82, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 58, negative conditional: 0, negative unconditional: 58, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 565, positive: 41, positive conditional: 0, positive unconditional: 41, negative: 524, negative conditional: 0, negative unconditional: 524, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4593, positive: 2328, positive conditional: 0, positive unconditional: 2328, negative: 153, negative conditional: 0, negative unconditional: 153, unknown: 2112, unknown conditional: 0, unknown unconditional: 2112] , Statistics on independence cache: Total cache size (in pairs): 235, Positive cache size: 214, Positive conditional cache size: 0, Positive unconditional cache size: 214, Negative cache size: 21, Negative conditional cache size: 0, Negative unconditional cache size: 21 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms 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_p0_EAX = 0; [L714] 0 int __unbuffered_p1_EAX = 0; [L716] 0 int __unbuffered_p1_EBX = 0; [L718] 0 int __unbuffered_p2_EAX = 0; [L720] 0 int __unbuffered_p3_EAX = 0; [L722] 0 int __unbuffered_p3_EBX = 0; [L724] 0 int a = 0; [L725] 0 _Bool main$tmp_guard0; [L726] 0 _Bool main$tmp_guard1; [L728] 0 int x = 0; [L730] 0 int y = 0; [L732] 0 int z = 0; [L733] 0 _Bool z$flush_delayed; [L734] 0 int z$mem_tmp; [L735] 0 _Bool z$r_buff0_thd0; [L736] 0 _Bool z$r_buff0_thd1; [L737] 0 _Bool z$r_buff0_thd2; [L738] 0 _Bool z$r_buff0_thd3; [L739] 0 _Bool z$r_buff0_thd4; [L740] 0 _Bool z$r_buff1_thd0; [L741] 0 _Bool z$r_buff1_thd1; [L742] 0 _Bool z$r_buff1_thd2; [L743] 0 _Bool z$r_buff1_thd3; [L744] 0 _Bool z$r_buff1_thd4; [L745] 0 _Bool z$read_delayed; [L746] 0 int *z$read_delayed_var; [L747] 0 int z$w_buff0; [L748] 0 _Bool z$w_buff0_used; [L749] 0 int z$w_buff1; [L750] 0 _Bool z$w_buff1_used; [L751] 0 _Bool weak$$choice0; [L752] 0 _Bool weak$$choice2; [L871] 0 pthread_t t341; [L872] FCALL, FORK 0 pthread_create(&t341, ((void *)0), P0, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L873] 0 pthread_t t342; [L874] FCALL, FORK 0 pthread_create(&t342, ((void *)0), P1, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L875] 0 pthread_t t343; [L876] FCALL, FORK 0 pthread_create(&t343, ((void *)0), P2, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=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=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L877] 0 pthread_t t344; [L878] FCALL, FORK 0 pthread_create(&t344, ((void *)0), P3, ((void *)0)) VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=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=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] [L817] 4 z$w_buff1 = z$w_buff0 [L818] 4 z$w_buff0 = 1 [L819] 4 z$w_buff1_used = z$w_buff0_used [L820] 4 z$w_buff0_used = (_Bool)1 [L18] COND FALSE 4 !(!expression) [L822] 4 z$r_buff1_thd0 = z$r_buff0_thd0 [L823] 4 z$r_buff1_thd1 = z$r_buff0_thd1 [L824] 4 z$r_buff1_thd2 = z$r_buff0_thd2 [L825] 4 z$r_buff1_thd3 = z$r_buff0_thd3 [L826] 4 z$r_buff1_thd4 = z$r_buff0_thd4 [L827] 4 z$r_buff0_thd4 = (_Bool)1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L830] 4 weak$$choice0 = __VERIFIER_nondet_bool() [L831] 4 weak$$choice2 = __VERIFIER_nondet_bool() [L832] 4 z$flush_delayed = weak$$choice2 [L833] 4 z$mem_tmp = z [L834] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L834] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1 [L834] EXPR 4 !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L834] 4 z = !z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff1) [L835] EXPR 4 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L835] 4 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : z$w_buff0)) [L836] EXPR 4 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L836] 4 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff1 : z$w_buff1)) [L837] EXPR 4 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L837] 4 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used)) [L838] EXPR 4 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L838] 4 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L839] EXPR 4 weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L839] 4 z$r_buff0_thd4 = weak$$choice2 ? z$r_buff0_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff0_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4)) [L840] EXPR 4 weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L840] 4 z$r_buff1_thd4 = weak$$choice2 ? z$r_buff1_thd4 : (!z$w_buff0_used || !z$r_buff0_thd4 && !z$w_buff1_used || !z$r_buff0_thd4 && !z$r_buff1_thd4 ? z$r_buff1_thd4 : (z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : (_Bool)0)) [L841] 4 __unbuffered_p3_EAX = z [L842] EXPR 4 z$flush_delayed ? z$mem_tmp : z [L842] 4 z = z$flush_delayed ? z$mem_tmp : z [L843] 4 z$flush_delayed = (_Bool)0 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=4, weak$$choice2=1, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L846] 4 __unbuffered_p3_EBX = a VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=4, weak$$choice2=1, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L756] 1 a = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=4, weak$$choice2=1, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L759] 1 __unbuffered_p0_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=4, weak$$choice2=1, x=0, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L771] 2 x = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=4, weak$$choice2=1, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L774] 2 __unbuffered_p1_EAX = x VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=4, weak$$choice2=1, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L777] 2 __unbuffered_p1_EBX = y VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=4, weak$$choice2=1, x=1, y=0, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L789] 3 y = 1 VAL [__unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=4, weak$$choice2=1, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L782] 2 __unbuffered_cnt = __unbuffered_cnt + 1 [L784] 2 return 0; [L764] 1 __unbuffered_cnt = __unbuffered_cnt + 1 [L766] 1 return 0; [L792] 3 weak$$choice0 = __VERIFIER_nondet_bool() [L793] 3 weak$$choice2 = __VERIFIER_nondet_bool() [L794] 3 z$flush_delayed = weak$$choice2 [L795] 3 z$mem_tmp = z [L796] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L796] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1) [L797] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L797] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0) [L797] EXPR 3 weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L797] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0)) [L798] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L798] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1) [L798] EXPR 3 weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L798] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1)) [L799] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L799] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used) [L799] EXPR 3 weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L799] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used)) [L800] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L800] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L800] EXPR 3 weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L800] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L801] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L801] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3) [L801] EXPR 3 weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L801] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3)) [L802] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L802] EXPR 3 !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0) [L802] EXPR 3 weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L802] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0)) [L803] 3 __unbuffered_p2_EAX = z [L804] EXPR 3 z$flush_delayed ? z$mem_tmp : z [L804] 3 z = z$flush_delayed ? z$mem_tmp : z [L805] 3 z$flush_delayed = (_Bool)0 VAL [\result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, 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$$choice0=2, weak$$choice2=0, x=1, y=1, z=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0] [L849] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L849] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z) [L850] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L850] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used [L851] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L851] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used [L852] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L852] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4 [L853] EXPR 4 z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L853] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4 [L856] 4 __unbuffered_cnt = __unbuffered_cnt + 1 [L858] 4 return 0; [L810] 3 __unbuffered_cnt = __unbuffered_cnt + 1 [L812] 3 return 0; [L880] 0 main$tmp_guard0 = __unbuffered_cnt == 4 [L3] COND FALSE 0 !(!cond) [L884] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L884] EXPR 0 z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z [L884] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L884] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z) [L885] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L885] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used [L886] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L886] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used [L887] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L887] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0 [L888] EXPR 0 z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L888] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0 [L891] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 1 && __unbuffered_p3_EBX == 0) [L18] COND TRUE 0 !expression [L18] 0 reach_error() VAL [\result={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=1, __unbuffered_p3_EBX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=2, weak$$choice2=0, x=1, y=1, z=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0] - 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: 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: 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: 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. - 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. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 9 procedures, 165 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 10866.8ms, OverallIterations: 13, TraceHistogramMax: 1, EmptinessCheckTime: 54.4ms, AutomataDifference: 1020.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 6728.8ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 405 SDtfs, 448 SDslu, 651 SDs, 0 SdLazy, 230 SolverSat, 61 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 313.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 328.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=2610occurred in iteration=0, InterpolantAutomatonStates: 62, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 736.0ms AutomataMinimizationTime, 12 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 69.9ms SsaConstructionTime, 633.1ms SatisfiabilityAnalysisTime, 1200.1ms InterpolantComputationTime, 251 NumberOfCodeBlocks, 251 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 213 ConstructedInterpolants, 0 QuantifiedInterpolants, 1816 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 12 InterpolantComputations, 12 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! [2021-10-13 06:44:19,594 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_739729f8-1ae3-45e1-ab62-d02c7bf81bd6/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...