./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi002_pso.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_f2a28f41-b626-443e-8da8-bc1fcf316cad/bin/utaipan-q2qaUkNPG8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a28f41-b626-443e-8da8-bc1fcf316cad/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_f2a28f41-b626-443e-8da8-bc1fcf316cad/bin/utaipan-q2qaUkNPG8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a28f41-b626-443e-8da8-bc1fcf316cad/bin/utaipan-q2qaUkNPG8/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi002_pso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a28f41-b626-443e-8da8-bc1fcf316cad/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_f2a28f41-b626-443e-8da8-bc1fcf316cad/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 186aa627670b34e3af330b854fa27670de6d6297 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 07:10:20,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 07:10:20,312 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 07:10:20,355 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 07:10:20,356 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 07:10:20,357 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 07:10:20,359 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 07:10:20,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 07:10:20,366 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 07:10:20,367 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 07:10:20,369 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 07:10:20,371 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 07:10:20,372 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 07:10:20,374 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 07:10:20,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 07:10:20,378 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 07:10:20,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 07:10:20,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 07:10:20,385 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 07:10:20,389 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 07:10:20,391 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 07:10:20,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 07:10:20,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 07:10:20,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 07:10:20,402 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 07:10:20,403 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 07:10:20,404 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 07:10:20,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 07:10:20,406 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 07:10:20,408 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 07:10:20,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 07:10:20,410 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 07:10:20,411 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 07:10:20,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 07:10:20,414 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 07:10:20,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 07:10:20,416 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 07:10:20,417 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 07:10:20,418 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 07:10:20,419 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 07:10:20,420 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 07:10:20,422 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a28f41-b626-443e-8da8-bc1fcf316cad/bin/utaipan-q2qaUkNPG8/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-10-13 07:10:20,453 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 07:10:20,453 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 07:10:20,454 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-13 07:10:20,455 INFO L138 SettingsManager]: * User list type=DISABLED [2021-10-13 07:10:20,455 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-10-13 07:10:20,455 INFO L138 SettingsManager]: * Explicit value domain=true [2021-10-13 07:10:20,456 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-10-13 07:10:20,456 INFO L138 SettingsManager]: * Octagon Domain=false [2021-10-13 07:10:20,456 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-10-13 07:10:20,457 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-10-13 07:10:20,457 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-10-13 07:10:20,457 INFO L138 SettingsManager]: * Interval Domain=false [2021-10-13 07:10:20,458 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-10-13 07:10:20,458 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-10-13 07:10:20,458 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-10-13 07:10:20,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 07:10:20,460 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-13 07:10:20,460 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 07:10:20,460 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-13 07:10:20,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 07:10:20,461 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 07:10:20,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 07:10:20,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 07:10:20,462 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-13 07:10:20,462 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-13 07:10:20,462 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 07:10:20,463 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 07:10:20,463 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 07:10:20,463 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 07:10:20,464 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 07:10:20,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:10:20,464 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 07:10:20,465 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 07:10:20,465 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 07:10:20,465 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-10-13 07:10:20,466 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 07:10:20,466 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 07:10:20,466 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 07:10:20,466 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-13 07:10:20,467 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_f2a28f41-b626-443e-8da8-bc1fcf316cad/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a28f41-b626-443e-8da8-bc1fcf316cad/bin/utaipan-q2qaUkNPG8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 186aa627670b34e3af330b854fa27670de6d6297 [2021-10-13 07:10:20,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 07:10:20,876 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 07:10:20,879 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 07:10:20,881 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 07:10:20,882 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 07:10:20,883 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a28f41-b626-443e-8da8-bc1fcf316cad/bin/utaipan-q2qaUkNPG8/../../sv-benchmarks/c/pthread-wmm/rfi002_pso.opt.i [2021-10-13 07:10:20,962 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a28f41-b626-443e-8da8-bc1fcf316cad/bin/utaipan-q2qaUkNPG8/data/be3ab6fc6/491f688ea24b4270874138a7dcfe7aab/FLAG0ba30bade [2021-10-13 07:10:21,653 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 07:10:21,654 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a28f41-b626-443e-8da8-bc1fcf316cad/sv-benchmarks/c/pthread-wmm/rfi002_pso.opt.i [2021-10-13 07:10:21,702 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a28f41-b626-443e-8da8-bc1fcf316cad/bin/utaipan-q2qaUkNPG8/data/be3ab6fc6/491f688ea24b4270874138a7dcfe7aab/FLAG0ba30bade [2021-10-13 07:10:21,850 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a28f41-b626-443e-8da8-bc1fcf316cad/bin/utaipan-q2qaUkNPG8/data/be3ab6fc6/491f688ea24b4270874138a7dcfe7aab [2021-10-13 07:10:21,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 07:10:21,856 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 07:10:21,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 07:10:21,858 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 07:10:21,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 07:10:21,864 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:10:21" (1/1) ... [2021-10-13 07:10:21,865 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@345c53fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:10:21, skipping insertion in model container [2021-10-13 07:10:21,866 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 07:10:21" (1/1) ... [2021-10-13 07:10:21,875 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 07:10:21,982 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 07:10:22,179 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_f2a28f41-b626-443e-8da8-bc1fcf316cad/sv-benchmarks/c/pthread-wmm/rfi002_pso.opt.i[991,1004] [2021-10-13 07:10:22,529 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:10:22,540 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 07:10:22,555 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_f2a28f41-b626-443e-8da8-bc1fcf316cad/sv-benchmarks/c/pthread-wmm/rfi002_pso.opt.i[991,1004] [2021-10-13 07:10:22,642 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 07:10:22,710 INFO L208 MainTranslator]: Completed translation [2021-10-13 07:10:22,710 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:10:22 WrapperNode [2021-10-13 07:10:22,710 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 07:10:22,712 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 07:10:22,713 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 07:10:22,713 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 07:10:22,723 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:10:22" (1/1) ... [2021-10-13 07:10:22,775 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:10:22" (1/1) ... [2021-10-13 07:10:22,821 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 07:10:22,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 07:10:22,822 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 07:10:22,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 07:10:22,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:10:22" (1/1) ... [2021-10-13 07:10:22,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:10:22" (1/1) ... [2021-10-13 07:10:22,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:10:22" (1/1) ... [2021-10-13 07:10:22,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:10:22" (1/1) ... [2021-10-13 07:10:22,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:10:22" (1/1) ... [2021-10-13 07:10:22,863 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:10:22" (1/1) ... [2021-10-13 07:10:22,869 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:10:22" (1/1) ... [2021-10-13 07:10:22,890 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 07:10:22,891 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 07:10:22,891 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 07:10:22,892 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 07:10:22,893 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:10:22" (1/1) ... [2021-10-13 07:10:22,915 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 07:10:22,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a28f41-b626-443e-8da8-bc1fcf316cad/bin/utaipan-q2qaUkNPG8/z3 [2021-10-13 07:10:22,975 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a28f41-b626-443e-8da8-bc1fcf316cad/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 07:10:23,019 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a28f41-b626-443e-8da8-bc1fcf316cad/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 07:10:23,043 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-13 07:10:23,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2021-10-13 07:10:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-13 07:10:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-13 07:10:23,046 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2021-10-13 07:10:23,047 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2021-10-13 07:10:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2021-10-13 07:10:23,047 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2021-10-13 07:10:23,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-13 07:10:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2021-10-13 07:10:23,048 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 07:10:23,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 07:10:23,051 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 07:10:26,808 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 07:10:26,808 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-13 07:10:26,812 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:10:26 BoogieIcfgContainer [2021-10-13 07:10:26,812 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 07:10:26,816 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 07:10:26,816 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 07:10:26,820 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 07:10:26,821 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 07:10:21" (1/3) ... [2021-10-13 07:10:26,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6954ff0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:10:26, skipping insertion in model container [2021-10-13 07:10:26,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 07:10:22" (2/3) ... [2021-10-13 07:10:26,824 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6954ff0b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 07:10:26, skipping insertion in model container [2021-10-13 07:10:26,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:10:26" (3/3) ... [2021-10-13 07:10:26,830 INFO L111 eAbstractionObserver]: Analyzing ICFG rfi002_pso.opt.i [2021-10-13 07:10:26,837 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-10-13 07:10:26,838 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 07:10:26,838 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2021-10-13 07:10:26,838 INFO L516 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-10-13 07:10:26,894 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,895 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,895 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,895 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,895 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,896 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,896 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,896 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,896 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,897 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,897 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,898 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,899 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,900 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,900 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,901 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,901 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,901 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,902 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,902 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,903 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,904 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,905 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,905 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,905 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,906 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,906 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,906 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,906 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,907 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,907 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,907 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,907 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,908 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,908 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,908 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,908 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,908 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,909 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,909 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,909 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,909 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,910 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,910 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,910 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,911 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,911 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,911 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,911 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,912 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,912 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,912 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,912 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,913 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,913 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,913 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,913 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,913 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,915 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,916 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,916 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,916 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,916 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,916 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,917 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,917 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,917 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,918 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,918 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,918 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,918 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,919 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,919 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,919 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,919 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,920 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,920 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,920 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,921 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,922 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,926 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,926 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,926 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,927 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,929 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,929 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,929 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,930 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,930 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,936 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,937 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,937 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,937 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,937 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,938 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,938 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,940 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,940 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,941 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,942 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,942 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,942 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,942 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,943 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,943 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,943 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,944 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,944 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,944 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,944 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,945 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,945 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,945 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,946 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,947 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,947 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,948 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,948 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,948 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,948 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,948 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,949 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,949 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,949 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,949 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,950 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,950 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,950 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,951 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,951 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,952 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,952 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,952 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,952 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,953 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,953 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,953 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,953 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,954 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,954 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,954 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,954 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,955 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,955 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,955 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,955 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,955 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,956 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,957 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,957 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,957 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,957 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,960 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,960 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,960 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,960 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,960 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,961 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,961 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,961 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,961 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,962 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,962 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,962 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,962 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,962 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,963 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,964 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,965 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,965 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,965 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,965 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,965 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,966 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,967 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,968 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,969 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,969 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,969 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,969 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,969 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,970 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,971 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,972 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,972 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,975 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,980 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,980 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,980 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,980 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,981 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,981 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,981 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,982 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,982 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,983 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,984 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,985 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,985 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,985 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,986 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,986 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,987 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:26,994 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite34| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,004 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite35| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,005 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,005 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite36| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,005 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite37| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,006 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,006 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite38| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,006 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite39| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,006 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,006 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,007 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~nondet11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,007 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,007 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite19| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,007 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite18| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,008 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite17| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,008 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,008 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,008 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,009 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite14| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,009 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite31| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,009 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,009 WARN L313 ript$VariableManager]: TermVariabe P0Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,009 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite32| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,010 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite33| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,010 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite22| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,010 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite21| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,011 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite25| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,011 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite20| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,011 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite26| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,011 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite27| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,012 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite28| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,012 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite29| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,012 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,012 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,013 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,013 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,013 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,013 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite24| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,014 WARN L313 ript$VariableManager]: TermVariabe |P0Thread1of1ForFork0_#t~ite23| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,016 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite46| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,016 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite45| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,017 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite44| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,017 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite43| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,017 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite65| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,017 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite66| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,018 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite49| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,018 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite67| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,018 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite48| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,018 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite47| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,019 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite68| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,019 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1___VERIFIER_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,019 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite61| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,019 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite62| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,019 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite63| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,020 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite64| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,020 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite42| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,020 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite60| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,020 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,021 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,021 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1___VERIFIER_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,021 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite57| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,021 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite56| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,022 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite55| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,022 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite54| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,022 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite59| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,022 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite58| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,023 WARN L313 ript$VariableManager]: TermVariabe P1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,023 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite53| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,023 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite52| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,023 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite51| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,023 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~ite50| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,024 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet40| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,024 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,024 WARN L313 ript$VariableManager]: TermVariabe |P1Thread1of1ForFork1_#t~nondet41| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-10-13 07:10:27,073 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-10-13 07:10:27,143 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-13 07:10:27,161 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 07:10:27,166 INFO L340 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2021-10-13 07:10:27,189 INFO L118 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2021-10-13 07:10:27,206 INFO L133 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 96 places, 91 transitions, 192 flow [2021-10-13 07:10:27,210 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 96 places, 91 transitions, 192 flow [2021-10-13 07:10:27,213 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 96 places, 91 transitions, 192 flow [2021-10-13 07:10:27,264 INFO L129 PetriNetUnfolder]: 2/89 cut-off events. [2021-10-13 07:10:27,264 INFO L130 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2021-10-13 07:10:27,268 INFO L84 FinitePrefix]: Finished finitePrefix Result has 96 conditions, 89 events. 2/89 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 48 event pairs, 0 based on Foata normal form. 0/85 useless extension candidates. Maximal degree in co-relation 53. Up to 2 conditions per place. [2021-10-13 07:10:27,271 INFO L116 LiptonReduction]: Number of co-enabled transitions 1208 [2021-10-13 07:10:48,218 INFO L131 LiptonReduction]: Checked pairs total: 3241 [2021-10-13 07:10:48,219 INFO L133 LiptonReduction]: Total number of compositions: 81 [2021-10-13 07:10:48,230 INFO L111 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 28 places, 21 transitions, 52 flow [2021-10-13 07:10:48,256 INFO L133 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 194 states, 191 states have (on average 2.418848167539267) internal successors, (462), 193 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:10:48,259 INFO L276 IsEmpty]: Start isEmpty. Operand has 194 states, 191 states have (on average 2.418848167539267) internal successors, (462), 193 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:10:48,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2021-10-13 07:10:48,266 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:10:48,266 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2021-10-13 07:10:48,267 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-13 07:10:48,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:10:48,274 INFO L82 PathProgramCache]: Analyzing trace with hash 1618872621, now seen corresponding path program 1 times [2021-10-13 07:10:48,286 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:10:48,287 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [952356944] [2021-10-13 07:10:48,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:10:48,288 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:10:48,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:10:48,682 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 07:10:48,683 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:10:48,683 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [952356944] [2021-10-13 07:10:48,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [952356944] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:10:48,685 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:10:48,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-13 07:10:48,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [850476424] [2021-10-13 07:10:48,698 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:10:48,699 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:10:48,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:10:48,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:10:48,728 INFO L87 Difference]: Start difference. First operand has 194 states, 191 states have (on average 2.418848167539267) internal successors, (462), 193 states have internal predecessors, (462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 07:10:48,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:10:48,868 INFO L93 Difference]: Finished difference Result 164 states and 383 transitions. [2021-10-13 07:10:48,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:10:48,870 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2021-10-13 07:10:48,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:10:48,891 INFO L225 Difference]: With dead ends: 164 [2021-10-13 07:10:48,892 INFO L226 Difference]: Without dead ends: 158 [2021-10-13 07:10:48,895 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:10:48,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-10-13 07:10:48,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2021-10-13 07:10:48,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 157 states have (on average 2.3694267515923566) internal successors, (372), 157 states have internal predecessors, (372), 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 07:10:48,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 372 transitions. [2021-10-13 07:10:48,980 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 372 transitions. Word has length 5 [2021-10-13 07:10:48,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:10:48,980 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 372 transitions. [2021-10-13 07:10:48,980 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 07:10:48,981 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 372 transitions. [2021-10-13 07:10:48,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-13 07:10:48,982 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:10:48,982 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:10:48,982 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-13 07:10:48,983 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-13 07:10:48,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:10:48,983 INFO L82 PathProgramCache]: Analyzing trace with hash 958522912, now seen corresponding path program 1 times [2021-10-13 07:10:48,984 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:10:48,984 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634744981] [2021-10-13 07:10:48,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:10:48,984 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:10:49,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:10:49,178 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 07:10:49,178 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:10:49,179 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634744981] [2021-10-13 07:10:49,179 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634744981] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:10:49,179 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:10:49,180 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-13 07:10:49,180 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242281891] [2021-10-13 07:10:49,181 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:10:49,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:10:49,191 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:10:49,191 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:10:49,191 INFO L87 Difference]: Start difference. First operand 158 states and 372 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 07:10:49,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:10:49,218 INFO L93 Difference]: Finished difference Result 146 states and 338 transitions. [2021-10-13 07:10:49,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:10:49,219 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 7 [2021-10-13 07:10:49,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:10:49,221 INFO L225 Difference]: With dead ends: 146 [2021-10-13 07:10:49,221 INFO L226 Difference]: Without dead ends: 146 [2021-10-13 07:10:49,222 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:10:49,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-10-13 07:10:49,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2021-10-13 07:10:49,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 145 states have (on average 2.331034482758621) internal successors, (338), 145 states have internal predecessors, (338), 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 07:10:49,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 338 transitions. [2021-10-13 07:10:49,243 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 338 transitions. Word has length 7 [2021-10-13 07:10:49,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:10:49,244 INFO L470 AbstractCegarLoop]: Abstraction has 146 states and 338 transitions. [2021-10-13 07:10:49,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 2 states have internal predecessors, (7), 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 07:10:49,244 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 338 transitions. [2021-10-13 07:10:49,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-13 07:10:49,245 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:10:49,246 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:10:49,246 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-13 07:10:49,246 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-13 07:10:49,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:10:49,251 INFO L82 PathProgramCache]: Analyzing trace with hash 2017502104, now seen corresponding path program 1 times [2021-10-13 07:10:49,252 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:10:49,252 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879782386] [2021-10-13 07:10:49,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:10:49,252 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:10:49,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:10:49,435 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 07:10:49,435 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:10:49,435 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879782386] [2021-10-13 07:10:49,435 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879782386] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:10:49,436 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:10:49,436 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2021-10-13 07:10:49,436 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587418320] [2021-10-13 07:10:49,437 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-13 07:10:49,437 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:10:49,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-13 07:10:49,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:10:49,443 INFO L87 Difference]: Start difference. First operand 146 states and 338 transitions. 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 07:10:49,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:10:49,460 INFO L93 Difference]: Finished difference Result 134 states and 305 transitions. [2021-10-13 07:10:49,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-13 07:10:49,462 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 07:10:49,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:10:49,464 INFO L225 Difference]: With dead ends: 134 [2021-10-13 07:10:49,464 INFO L226 Difference]: Without dead ends: 134 [2021-10-13 07:10:49,464 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-13 07:10:49,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2021-10-13 07:10:49,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2021-10-13 07:10:49,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 133 states have (on average 2.293233082706767) internal successors, (305), 133 states have internal predecessors, (305), 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 07:10:49,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 305 transitions. [2021-10-13 07:10:49,481 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 305 transitions. Word has length 9 [2021-10-13 07:10:49,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:10:49,481 INFO L470 AbstractCegarLoop]: Abstraction has 134 states and 305 transitions. [2021-10-13 07:10:49,481 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 07:10:49,482 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 305 transitions. [2021-10-13 07:10:49,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 07:10:49,484 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:10:49,484 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:10:49,484 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-13 07:10:49,485 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-13 07:10:49,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:10:49,485 INFO L82 PathProgramCache]: Analyzing trace with hash 553586495, now seen corresponding path program 1 times [2021-10-13 07:10:49,486 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:10:49,486 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385056040] [2021-10-13 07:10:49,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:10:49,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:10:49,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:10:50,058 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 07:10:50,058 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:10:50,058 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385056040] [2021-10-13 07:10:50,058 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385056040] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:10:50,059 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:10:50,059 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-13 07:10:50,059 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329923540] [2021-10-13 07:10:50,059 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-13 07:10:50,060 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:10:50,060 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-13 07:10:50,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2021-10-13 07:10:50,061 INFO L87 Difference]: Start difference. First operand 134 states and 305 transitions. Second operand has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:10:50,422 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:10:50,422 INFO L93 Difference]: Finished difference Result 158 states and 363 transitions. [2021-10-13 07:10:50,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 07:10:50,423 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-13 07:10:50,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:10:50,427 INFO L225 Difference]: With dead ends: 158 [2021-10-13 07:10:50,427 INFO L226 Difference]: Without dead ends: 158 [2021-10-13 07:10:50,427 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 244.8ms TimeCoverageRelationStatistics Valid=50, Invalid=82, Unknown=0, NotChecked=0, Total=132 [2021-10-13 07:10:50,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-10-13 07:10:50,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 152. [2021-10-13 07:10:50,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 151 states have (on average 2.2980132450331126) internal successors, (347), 151 states have internal predecessors, (347), 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 07:10:50,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 347 transitions. [2021-10-13 07:10:50,443 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 347 transitions. Word has length 12 [2021-10-13 07:10:50,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:10:50,444 INFO L470 AbstractCegarLoop]: Abstraction has 152 states and 347 transitions. [2021-10-13 07:10:50,444 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.5) internal successors, (12), 8 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:10:50,444 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 347 transitions. [2021-10-13 07:10:50,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-13 07:10:50,446 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:10:50,446 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:10:50,446 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-13 07:10:50,447 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-13 07:10:50,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:10:50,447 INFO L82 PathProgramCache]: Analyzing trace with hash 631168955, now seen corresponding path program 2 times [2021-10-13 07:10:50,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:10:50,448 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721680281] [2021-10-13 07:10:50,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:10:50,448 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:10:50,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:10:50,658 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 07:10:50,658 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:10:50,659 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721680281] [2021-10-13 07:10:50,659 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721680281] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:10:50,659 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:10:50,660 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 07:10:50,660 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026277863] [2021-10-13 07:10:50,660 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:10:50,660 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:10:50,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:10:50,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:10:50,662 INFO L87 Difference]: Start difference. First operand 152 states and 347 transitions. Second operand has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:10:50,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:10:50,799 INFO L93 Difference]: Finished difference Result 169 states and 386 transitions. [2021-10-13 07:10:50,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 07:10:50,801 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2021-10-13 07:10:50,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:10:50,803 INFO L225 Difference]: With dead ends: 169 [2021-10-13 07:10:50,803 INFO L226 Difference]: Without dead ends: 169 [2021-10-13 07:10:50,803 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 54.1ms TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:10:50,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2021-10-13 07:10:50,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 154. [2021-10-13 07:10:50,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 153 states have (on average 2.281045751633987) internal successors, (349), 153 states have internal predecessors, (349), 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 07:10:50,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 349 transitions. [2021-10-13 07:10:50,840 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 349 transitions. Word has length 12 [2021-10-13 07:10:50,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:10:50,841 INFO L470 AbstractCegarLoop]: Abstraction has 154 states and 349 transitions. [2021-10-13 07:10:50,841 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:10:50,841 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 349 transitions. [2021-10-13 07:10:50,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 07:10:50,843 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:10:50,844 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:10:50,844 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-13 07:10:50,844 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-13 07:10:50,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:10:50,845 INFO L82 PathProgramCache]: Analyzing trace with hash -18689028, now seen corresponding path program 1 times [2021-10-13 07:10:50,845 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:10:50,845 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740091234] [2021-10-13 07:10:50,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:10:50,846 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:10:51,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:10:51,450 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 07:10:51,450 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:10:51,455 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740091234] [2021-10-13 07:10:51,458 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740091234] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:10:51,459 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:10:51,459 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-13 07:10:51,459 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [294266312] [2021-10-13 07:10:51,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-13 07:10:51,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:10:51,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-13 07:10:51,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-10-13 07:10:51,462 INFO L87 Difference]: Start difference. First operand 154 states and 349 transitions. Second operand has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 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 07:10:51,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:10:51,692 INFO L93 Difference]: Finished difference Result 196 states and 455 transitions. [2021-10-13 07:10:51,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 07:10:51,693 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 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 07:10:51,693 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:10:51,695 INFO L225 Difference]: With dead ends: 196 [2021-10-13 07:10:51,695 INFO L226 Difference]: Without dead ends: 196 [2021-10-13 07:10:51,695 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 92.7ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-13 07:10:51,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2021-10-13 07:10:51,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 160. [2021-10-13 07:10:51,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 159 states have (on average 2.2955974842767297) internal successors, (365), 159 states have internal predecessors, (365), 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 07:10:51,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 365 transitions. [2021-10-13 07:10:51,706 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 365 transitions. Word has length 13 [2021-10-13 07:10:51,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:10:51,707 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 365 transitions. [2021-10-13 07:10:51,707 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 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 07:10:51,707 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 365 transitions. [2021-10-13 07:10:51,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 07:10:51,709 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:10:51,709 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:10:51,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-13 07:10:51,710 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-13 07:10:51,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:10:51,710 INFO L82 PathProgramCache]: Analyzing trace with hash -18688749, now seen corresponding path program 1 times [2021-10-13 07:10:51,711 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:10:51,711 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329003472] [2021-10-13 07:10:51,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:10:51,711 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:10:51,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:10:51,892 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 07:10:51,892 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:10:51,892 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329003472] [2021-10-13 07:10:51,892 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329003472] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:10:51,892 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:10:51,893 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-13 07:10:51,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465220990] [2021-10-13 07:10:51,893 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-13 07:10:51,893 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:10:51,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-13 07:10:51,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:10:51,895 INFO L87 Difference]: Start difference. First operand 160 states and 365 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 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 07:10:52,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:10:52,009 INFO L93 Difference]: Finished difference Result 235 states and 525 transitions. [2021-10-13 07:10:52,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:10:52,010 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 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 07:10:52,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:10:52,012 INFO L225 Difference]: With dead ends: 235 [2021-10-13 07:10:52,013 INFO L226 Difference]: Without dead ends: 166 [2021-10-13 07:10:52,013 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.8ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-13 07:10:52,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2021-10-13 07:10:52,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2021-10-13 07:10:52,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 165 states have (on average 2.175757575757576) internal successors, (359), 165 states have internal predecessors, (359), 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 07:10:52,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 359 transitions. [2021-10-13 07:10:52,024 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 359 transitions. Word has length 13 [2021-10-13 07:10:52,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:10:52,025 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 359 transitions. [2021-10-13 07:10:52,025 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 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 07:10:52,025 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 359 transitions. [2021-10-13 07:10:52,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 07:10:52,033 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:10:52,033 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:10:52,034 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-13 07:10:52,034 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-13 07:10:52,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:10:52,035 INFO L82 PathProgramCache]: Analyzing trace with hash -75656829, now seen corresponding path program 2 times [2021-10-13 07:10:52,076 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:10:52,076 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954868774] [2021-10-13 07:10:52,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:10:52,077 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:10:52,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:10:52,386 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 07:10:52,386 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:10:52,387 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [954868774] [2021-10-13 07:10:52,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [954868774] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:10:52,387 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:10:52,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-13 07:10:52,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094099066] [2021-10-13 07:10:52,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-13 07:10:52,388 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:10:52,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-13 07:10:52,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-10-13 07:10:52,389 INFO L87 Difference]: Start difference. First operand 166 states and 359 transitions. Second operand has 6 states, 5 states have (on average 2.6) internal successors, (13), 5 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 07:10:52,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:10:52,518 INFO L93 Difference]: Finished difference Result 187 states and 391 transitions. [2021-10-13 07:10:52,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:10:52,519 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 5 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 07:10:52,520 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:10:52,521 INFO L225 Difference]: With dead ends: 187 [2021-10-13 07:10:52,522 INFO L226 Difference]: Without dead ends: 146 [2021-10-13 07:10:52,522 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 34.7ms TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:10:52,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2021-10-13 07:10:52,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 138. [2021-10-13 07:10:52,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 137 states have (on average 2.2116788321167884) internal successors, (303), 137 states have internal predecessors, (303), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:10:52,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 303 transitions. [2021-10-13 07:10:52,533 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 303 transitions. Word has length 13 [2021-10-13 07:10:52,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:10:52,533 INFO L470 AbstractCegarLoop]: Abstraction has 138 states and 303 transitions. [2021-10-13 07:10:52,534 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 2.6) internal successors, (13), 5 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 07:10:52,534 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 303 transitions. [2021-10-13 07:10:52,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 07:10:52,536 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:10:52,536 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:10:52,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-13 07:10:52,537 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-13 07:10:52,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:10:52,538 INFO L82 PathProgramCache]: Analyzing trace with hash -1908600064, now seen corresponding path program 2 times [2021-10-13 07:10:52,538 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:10:52,538 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [44326709] [2021-10-13 07:10:52,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:10:52,539 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:10:52,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:10:53,042 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 07:10:53,042 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:10:53,042 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [44326709] [2021-10-13 07:10:53,043 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [44326709] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:10:53,043 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:10:53,043 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-13 07:10:53,043 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963819678] [2021-10-13 07:10:53,044 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-13 07:10:53,044 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:10:53,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-13 07:10:53,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2021-10-13 07:10:53,045 INFO L87 Difference]: Start difference. First operand 138 states and 303 transitions. Second operand has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 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 07:10:53,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:10:53,263 INFO L93 Difference]: Finished difference Result 168 states and 374 transitions. [2021-10-13 07:10:53,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 07:10:53,264 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 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 07:10:53,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:10:53,266 INFO L225 Difference]: With dead ends: 168 [2021-10-13 07:10:53,266 INFO L226 Difference]: Without dead ends: 168 [2021-10-13 07:10:53,267 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 172.9ms TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2021-10-13 07:10:53,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2021-10-13 07:10:53,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 156. [2021-10-13 07:10:53,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 155 states have (on average 2.2451612903225806) internal successors, (348), 155 states have internal predecessors, (348), 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 07:10:53,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 348 transitions. [2021-10-13 07:10:53,276 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 348 transitions. Word has length 13 [2021-10-13 07:10:53,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:10:53,276 INFO L470 AbstractCegarLoop]: Abstraction has 156 states and 348 transitions. [2021-10-13 07:10:53,277 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 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 07:10:53,277 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 348 transitions. [2021-10-13 07:10:53,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 07:10:53,278 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:10:53,278 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:10:53,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-13 07:10:53,279 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-13 07:10:53,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:10:53,280 INFO L82 PathProgramCache]: Analyzing trace with hash -1908599785, now seen corresponding path program 3 times [2021-10-13 07:10:53,280 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:10:53,280 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [343576393] [2021-10-13 07:10:53,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:10:53,281 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:10:53,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:10:53,560 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 07:10:53,561 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:10:53,561 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [343576393] [2021-10-13 07:10:53,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [343576393] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:10:53,561 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:10:53,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-13 07:10:53,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212306436] [2021-10-13 07:10:53,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-13 07:10:53,563 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:10:53,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-13 07:10:53,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-10-13 07:10:53,564 INFO L87 Difference]: Start difference. First operand 156 states and 348 transitions. Second operand has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 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 07:10:53,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:10:53,782 INFO L93 Difference]: Finished difference Result 165 states and 372 transitions. [2021-10-13 07:10:53,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 07:10:53,783 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 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 07:10:53,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:10:53,785 INFO L225 Difference]: With dead ends: 165 [2021-10-13 07:10:53,785 INFO L226 Difference]: Without dead ends: 165 [2021-10-13 07:10:53,786 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 99.9ms TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-13 07:10:53,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2021-10-13 07:10:53,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 162. [2021-10-13 07:10:53,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 161 states have (on average 2.260869565217391) internal successors, (364), 161 states have internal predecessors, (364), 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 07:10:53,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 364 transitions. [2021-10-13 07:10:53,795 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 364 transitions. Word has length 13 [2021-10-13 07:10:53,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:10:53,796 INFO L470 AbstractCegarLoop]: Abstraction has 162 states and 364 transitions. [2021-10-13 07:10:53,796 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.625) internal successors, (13), 8 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 07:10:53,797 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 364 transitions. [2021-10-13 07:10:53,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 07:10:53,797 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:10:53,798 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:10:53,798 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-13 07:10:53,798 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-13 07:10:53,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:10:53,799 INFO L82 PathProgramCache]: Analyzing trace with hash 491681043, now seen corresponding path program 4 times [2021-10-13 07:10:53,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:10:53,799 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522633265] [2021-10-13 07:10:53,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:10:53,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:10:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:10:54,131 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 07:10:54,132 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:10:54,132 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522633265] [2021-10-13 07:10:54,132 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522633265] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:10:54,132 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:10:54,133 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-13 07:10:54,133 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [650752378] [2021-10-13 07:10:54,133 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-13 07:10:54,133 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:10:54,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-13 07:10:54,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-10-13 07:10:54,134 INFO L87 Difference]: Start difference. First operand 162 states and 364 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 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 07:10:54,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:10:54,405 INFO L93 Difference]: Finished difference Result 177 states and 401 transitions. [2021-10-13 07:10:54,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 07:10:54,406 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 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 07:10:54,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:10:54,408 INFO L225 Difference]: With dead ends: 177 [2021-10-13 07:10:54,409 INFO L226 Difference]: Without dead ends: 177 [2021-10-13 07:10:54,409 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 140.7ms TimeCoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2021-10-13 07:10:54,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2021-10-13 07:10:54,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 162. [2021-10-13 07:10:54,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 161 states have (on average 2.2422360248447206) internal successors, (361), 161 states have internal predecessors, (361), 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 07:10:54,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 361 transitions. [2021-10-13 07:10:54,421 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 361 transitions. Word has length 13 [2021-10-13 07:10:54,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:10:54,422 INFO L470 AbstractCegarLoop]: Abstraction has 162 states and 361 transitions. [2021-10-13 07:10:54,422 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 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 07:10:54,422 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 361 transitions. [2021-10-13 07:10:54,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 07:10:54,423 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:10:54,424 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:10:54,424 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-13 07:10:54,425 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-13 07:10:54,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:10:54,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1515227022, now seen corresponding path program 3 times [2021-10-13 07:10:54,426 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:10:54,426 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678751277] [2021-10-13 07:10:54,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:10:54,426 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:10:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:10:54,746 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 07:10:54,747 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:10:54,747 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678751277] [2021-10-13 07:10:54,747 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678751277] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:10:54,747 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:10:54,748 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 07:10:54,748 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829243730] [2021-10-13 07:10:54,748 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 07:10:54,749 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:10:54,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 07:10:54,750 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:10:54,750 INFO L87 Difference]: Start difference. First operand 162 states and 361 transitions. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 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 07:10:54,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:10:54,905 INFO L93 Difference]: Finished difference Result 181 states and 397 transitions. [2021-10-13 07:10:54,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-13 07:10:54,906 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 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 07:10:54,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:10:54,908 INFO L225 Difference]: With dead ends: 181 [2021-10-13 07:10:54,908 INFO L226 Difference]: Without dead ends: 157 [2021-10-13 07:10:54,908 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 86.5ms TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2021-10-13 07:10:54,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2021-10-13 07:10:54,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 151. [2021-10-13 07:10:54,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 150 states have (on average 2.2333333333333334) internal successors, (335), 150 states have internal predecessors, (335), 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 07:10:54,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 335 transitions. [2021-10-13 07:10:54,923 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 335 transitions. Word has length 13 [2021-10-13 07:10:54,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:10:54,923 INFO L470 AbstractCegarLoop]: Abstraction has 151 states and 335 transitions. [2021-10-13 07:10:54,924 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 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 07:10:54,924 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 335 transitions. [2021-10-13 07:10:54,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 07:10:54,925 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:10:54,925 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:10:54,925 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-13 07:10:54,926 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-13 07:10:54,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:10:54,926 INFO L82 PathProgramCache]: Analyzing trace with hash 1515227301, now seen corresponding path program 5 times [2021-10-13 07:10:54,927 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:10:54,927 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [152204741] [2021-10-13 07:10:54,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:10:54,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:10:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:10:55,190 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 07:10:55,190 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:10:55,191 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [152204741] [2021-10-13 07:10:55,191 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [152204741] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:10:55,191 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:10:55,191 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 07:10:55,192 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086475158] [2021-10-13 07:10:55,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 07:10:55,192 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:10:55,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 07:10:55,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:10:55,194 INFO L87 Difference]: Start difference. First operand 151 states and 335 transitions. Second operand has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 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 07:10:55,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:10:55,424 INFO L93 Difference]: Finished difference Result 191 states and 398 transitions. [2021-10-13 07:10:55,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-13 07:10:55,425 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 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 07:10:55,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:10:55,427 INFO L225 Difference]: With dead ends: 191 [2021-10-13 07:10:55,427 INFO L226 Difference]: Without dead ends: 119 [2021-10-13 07:10:55,427 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 74.5ms TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2021-10-13 07:10:55,428 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2021-10-13 07:10:55,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2021-10-13 07:10:55,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 118 states have (on average 2.0338983050847457) internal successors, (240), 118 states have internal predecessors, (240), 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 07:10:55,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 240 transitions. [2021-10-13 07:10:55,437 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 240 transitions. Word has length 13 [2021-10-13 07:10:55,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:10:55,437 INFO L470 AbstractCegarLoop]: Abstraction has 119 states and 240 transitions. [2021-10-13 07:10:55,437 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.1666666666666665) internal successors, (13), 6 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 07:10:55,438 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 240 transitions. [2021-10-13 07:10:55,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-13 07:10:55,438 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:10:55,439 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:10:55,439 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-13 07:10:55,439 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-13 07:10:55,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:10:55,440 INFO L82 PathProgramCache]: Analyzing trace with hash -75576109, now seen corresponding path program 6 times [2021-10-13 07:10:55,440 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:10:55,441 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052414800] [2021-10-13 07:10:55,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:10:55,441 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:10:55,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:10:55,863 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 07:10:55,863 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:10:55,863 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052414800] [2021-10-13 07:10:55,864 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052414800] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:10:55,864 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:10:55,864 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-10-13 07:10:55,864 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435318463] [2021-10-13 07:10:55,865 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-10-13 07:10:55,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:10:55,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-10-13 07:10:55,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2021-10-13 07:10:55,866 INFO L87 Difference]: Start difference. First operand 119 states and 240 transitions. Second operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 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 07:10:56,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:10:56,379 INFO L93 Difference]: Finished difference Result 157 states and 297 transitions. [2021-10-13 07:10:56,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-10-13 07:10:56,380 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 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 07:10:56,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:10:56,382 INFO L225 Difference]: With dead ends: 157 [2021-10-13 07:10:56,382 INFO L226 Difference]: Without dead ends: 97 [2021-10-13 07:10:56,382 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 275.4ms TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2021-10-13 07:10:56,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2021-10-13 07:10:56,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 70. [2021-10-13 07:10:56,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 69 states have (on average 1.8405797101449275) internal successors, (127), 69 states have internal predecessors, (127), 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 07:10:56,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 127 transitions. [2021-10-13 07:10:56,387 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 127 transitions. Word has length 13 [2021-10-13 07:10:56,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:10:56,387 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 127 transitions. [2021-10-13 07:10:56,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 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 07:10:56,388 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 127 transitions. [2021-10-13 07:10:56,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 07:10:56,388 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:10:56,389 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:10:56,389 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-13 07:10:56,389 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-13 07:10:56,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:10:56,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1959316068, now seen corresponding path program 1 times [2021-10-13 07:10:56,390 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:10:56,390 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965110132] [2021-10-13 07:10:56,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:10:56,390 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:10:56,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:10:56,751 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 07:10:56,751 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:10:56,752 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965110132] [2021-10-13 07:10:56,752 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965110132] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:10:56,752 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:10:56,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-13 07:10:56,753 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1587937384] [2021-10-13 07:10:56,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-13 07:10:56,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:10:56,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-13 07:10:56,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-10-13 07:10:56,755 INFO L87 Difference]: Start difference. First operand 70 states and 127 transitions. Second operand has 8 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:10:56,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:10:56,873 INFO L93 Difference]: Finished difference Result 92 states and 161 transitions. [2021-10-13 07:10:56,874 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 07:10:56,874 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-10-13 07:10:56,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:10:56,875 INFO L225 Difference]: With dead ends: 92 [2021-10-13 07:10:56,875 INFO L226 Difference]: Without dead ends: 70 [2021-10-13 07:10:56,875 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 76.6ms TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-10-13 07:10:56,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2021-10-13 07:10:56,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2021-10-13 07:10:56,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 69 states have (on average 1.8115942028985508) internal successors, (125), 69 states have internal predecessors, (125), 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 07:10:56,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 125 transitions. [2021-10-13 07:10:56,879 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 125 transitions. Word has length 14 [2021-10-13 07:10:56,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:10:56,880 INFO L470 AbstractCegarLoop]: Abstraction has 70 states and 125 transitions. [2021-10-13 07:10:56,880 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 2.0) internal successors, (14), 7 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:10:56,880 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 125 transitions. [2021-10-13 07:10:56,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-13 07:10:56,881 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:10:56,881 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:10:56,881 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-10-13 07:10:56,881 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-13 07:10:56,882 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:10:56,882 INFO L82 PathProgramCache]: Analyzing trace with hash 2029256118, now seen corresponding path program 2 times [2021-10-13 07:10:56,882 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:10:56,882 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1693795080] [2021-10-13 07:10:56,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:10:56,882 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:10:56,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:10:57,174 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 07:10:57,175 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:10:57,175 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1693795080] [2021-10-13 07:10:57,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1693795080] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:10:57,176 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:10:57,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-13 07:10:57,176 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226304779] [2021-10-13 07:10:57,176 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-10-13 07:10:57,177 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:10:57,177 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-10-13 07:10:57,178 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-10-13 07:10:57,178 INFO L87 Difference]: Start difference. First operand 70 states and 125 transitions. Second operand has 9 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:10:57,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:10:57,368 INFO L93 Difference]: Finished difference Result 74 states and 127 transitions. [2021-10-13 07:10:57,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-13 07:10:57,369 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2021-10-13 07:10:57,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:10:57,370 INFO L225 Difference]: With dead ends: 74 [2021-10-13 07:10:57,370 INFO L226 Difference]: Without dead ends: 46 [2021-10-13 07:10:57,370 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 92.8ms TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2021-10-13 07:10:57,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2021-10-13 07:10:57,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2021-10-13 07:10:57,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.7333333333333334) internal successors, (78), 45 states have internal predecessors, (78), 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 07:10:57,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 78 transitions. [2021-10-13 07:10:57,373 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 78 transitions. Word has length 14 [2021-10-13 07:10:57,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:10:57,373 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 78 transitions. [2021-10-13 07:10:57,374 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 1.75) internal successors, (14), 8 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-13 07:10:57,374 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 78 transitions. [2021-10-13 07:10:57,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-13 07:10:57,374 INFO L504 BasicCegarLoop]: Found error trace [2021-10-13 07:10:57,374 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-13 07:10:57,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-13 07:10:57,375 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [P1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION (and 2 more)] === [2021-10-13 07:10:57,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-13 07:10:57,375 INFO L82 PathProgramCache]: Analyzing trace with hash 231967105, now seen corresponding path program 1 times [2021-10-13 07:10:57,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-10-13 07:10:57,376 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220469268] [2021-10-13 07:10:57,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-13 07:10:57,376 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-13 07:10:57,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-13 07:10:57,700 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 07:10:57,701 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-10-13 07:10:57,701 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220469268] [2021-10-13 07:10:57,701 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220469268] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-13 07:10:57,701 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-13 07:10:57,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-13 07:10:57,702 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148861820] [2021-10-13 07:10:57,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-13 07:10:57,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-10-13 07:10:57,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-13 07:10:57,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-10-13 07:10:57,704 INFO L87 Difference]: Start difference. First operand 46 states and 78 transitions. Second operand has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 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 07:10:57,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-13 07:10:57,812 INFO L93 Difference]: Finished difference Result 42 states and 70 transitions. [2021-10-13 07:10:57,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-13 07:10:57,813 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 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 07:10:57,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-13 07:10:57,813 INFO L225 Difference]: With dead ends: 42 [2021-10-13 07:10:57,813 INFO L226 Difference]: Without dead ends: 0 [2021-10-13 07:10:57,813 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 86.9ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-13 07:10:57,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-13 07:10:57,814 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-13 07:10:57,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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 07:10:57,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-13 07:10:57,814 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2021-10-13 07:10:57,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-13 07:10:57,814 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-13 07:10:57,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.5) internal successors, (15), 6 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 07:10:57,815 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-13 07:10:57,815 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-13 07:10:57,818 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:10:57,819 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:10:57,820 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION [2021-10-13 07:10:57,820 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATION [2021-10-13 07:10:57,820 INFO L764 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-13 07:10:57,821 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-13 07:10:57,830 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-10-13 07:10:57,830 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-13 07:10:57,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 07:10:57 BasicIcfg [2021-10-13 07:10:57,835 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 07:10:57,836 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 07:10:57,836 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 07:10:57,836 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 07:10:57,837 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 07:10:26" (3/4) ... [2021-10-13 07:10:57,840 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 07:10:57,847 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2021-10-13 07:10:57,847 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2021-10-13 07:10:57,870 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 113 nodes and edges [2021-10-13 07:10:57,871 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2021-10-13 07:10:57,872 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-10-13 07:10:57,873 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 07:10:57,980 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a28f41-b626-443e-8da8-bc1fcf316cad/bin/utaipan-q2qaUkNPG8/witness.graphml [2021-10-13 07:10:57,981 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 07:10:57,983 INFO L168 Benchmark]: Toolchain (without parser) took 36126.07 ms. Allocated memory was 109.1 MB in the beginning and 297.8 MB in the end (delta: 188.7 MB). Free memory was 69.7 MB in the beginning and 112.8 MB in the end (delta: -43.1 MB). Peak memory consumption was 147.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:10:57,983 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 109.1 MB. Free memory is still 87.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:10:57,984 INFO L168 Benchmark]: CACSL2BoogieTranslator took 853.07 ms. Allocated memory is still 109.1 MB. Free memory was 69.4 MB in the beginning and 73.9 MB in the end (delta: -4.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. [2021-10-13 07:10:57,985 INFO L168 Benchmark]: Boogie Procedure Inliner took 108.38 ms. Allocated memory is still 109.1 MB. Free memory was 73.9 MB in the beginning and 70.7 MB in the end (delta: 3.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 07:10:57,985 INFO L168 Benchmark]: Boogie Preprocessor took 68.75 ms. Allocated memory is still 109.1 MB. Free memory was 70.7 MB in the beginning and 68.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-13 07:10:57,986 INFO L168 Benchmark]: RCFGBuilder took 3921.27 ms. Allocated memory was 109.1 MB in the beginning and 159.4 MB in the end (delta: 50.3 MB). Free memory was 67.6 MB in the beginning and 78.3 MB in the end (delta: -10.7 MB). Peak memory consumption was 53.9 MB. Max. memory is 16.1 GB. [2021-10-13 07:10:57,987 INFO L168 Benchmark]: TraceAbstraction took 31019.58 ms. Allocated memory was 159.4 MB in the beginning and 297.8 MB in the end (delta: 138.4 MB). Free memory was 77.3 MB in the beginning and 121.1 MB in the end (delta: -43.8 MB). Peak memory consumption was 94.6 MB. Max. memory is 16.1 GB. [2021-10-13 07:10:57,987 INFO L168 Benchmark]: Witness Printer took 145.01 ms. Allocated memory is still 297.8 MB. Free memory was 121.1 MB in the beginning and 112.8 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 07:10:57,990 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 109.1 MB. Free memory is still 87.7 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 853.07 ms. Allocated memory is still 109.1 MB. Free memory was 69.4 MB in the beginning and 73.9 MB in the end (delta: -4.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 108.38 ms. Allocated memory is still 109.1 MB. Free memory was 73.9 MB in the beginning and 70.7 MB in the end (delta: 3.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 68.75 ms. Allocated memory is still 109.1 MB. Free memory was 70.7 MB in the beginning and 68.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 3921.27 ms. Allocated memory was 109.1 MB in the beginning and 159.4 MB in the end (delta: 50.3 MB). Free memory was 67.6 MB in the beginning and 78.3 MB in the end (delta: -10.7 MB). Peak memory consumption was 53.9 MB. Max. memory is 16.1 GB. * TraceAbstraction took 31019.58 ms. Allocated memory was 159.4 MB in the beginning and 297.8 MB in the end (delta: 138.4 MB). Free memory was 77.3 MB in the beginning and 121.1 MB in the end (delta: -43.8 MB). Peak memory consumption was 94.6 MB. Max. memory is 16.1 GB. * Witness Printer took 145.01 ms. Allocated memory is still 297.8 MB. Free memory was 121.1 MB in the beginning and 112.8 MB in the end (delta: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 21008.8ms, 96 PlacesBefore, 28 PlacesAfterwards, 91 TransitionsBefore, 21 TransitionsAfterwards, 1208 CoEnabledTransitionPairs, 6 FixpointIterations, 36 TrivialSequentialCompositions, 37 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 6 ConcurrentYvCompositions, 2 ChoiceCompositions, 81 TotalNumberOfCompositions, 3241 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1278, positive: 1133, positive conditional: 0, positive unconditional: 1133, negative: 145, negative conditional: 0, negative unconditional: 145, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 838, positive: 774, positive conditional: 0, positive unconditional: 774, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 838, positive: 771, positive conditional: 0, positive unconditional: 771, negative: 67, negative conditional: 0, negative unconditional: 67, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 67, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 64, negative conditional: 0, negative unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1779, positive: 34, positive conditional: 0, positive unconditional: 34, negative: 1745, negative conditional: 0, negative unconditional: 1745, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1278, positive: 359, positive conditional: 0, positive unconditional: 359, negative: 81, negative conditional: 0, negative unconditional: 81, unknown: 838, unknown conditional: 0, unknown unconditional: 838] , Statistics on independence cache: Total cache size (in pairs): 68, Positive cache size: 42, Positive conditional cache size: 0, Positive unconditional cache size: 42, Negative cache size: 26, Negative conditional cache size: 0, Negative unconditional cache size: 26 - 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 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 112 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 30685.7ms, OverallIterations: 17, TraceHistogramMax: 1, EmptinessCheckTime: 35.8ms, AutomataDifference: 3318.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 21090.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 265 SDtfs, 344 SDslu, 467 SDs, 0 SdLazy, 787 SolverSat, 295 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2026.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 113 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 1559.9ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=194occurred in iteration=0, InterpolantAutomatonStates: 101, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 252.6ms AutomataMinimizationTime, 17 MinimizatonAttempts, 128 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 106.4ms SsaConstructionTime, 1450.9ms SatisfiabilityAnalysisTime, 3927.5ms InterpolantComputationTime, 205 NumberOfCodeBlocks, 205 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 188 ConstructedInterpolants, 0 QuantifiedInterpolants, 2230 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2021-10-13 07:10:58,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f2a28f41-b626-443e-8da8-bc1fcf316cad/bin/utaipan-q2qaUkNPG8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...