./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd357d53-c622-4908-8fc2-59154abd1a15/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd357d53-c622-4908-8fc2-59154abd1a15/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd357d53-c622-4908-8fc2-59154abd1a15/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd357d53-c622-4908-8fc2-59154abd1a15/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd357d53-c622-4908-8fc2-59154abd1a15/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd357d53-c622-4908-8fc2-59154abd1a15/bin/utaipan-verify-YMUCfTKeje --witnessprinter.witness.filename witness --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 3b13662719be51a1d3330a7f40f7706daa8c7b2d4044bc92f854095c09c7c129 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:18:17,665 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:18:17,785 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd357d53-c622-4908-8fc2-59154abd1a15/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:18:17,794 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:18:17,795 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:18:17,843 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:18:17,845 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:18:17,846 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:18:17,847 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:18:17,849 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:18:17,849 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:18:17,850 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:18:17,850 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:18:17,852 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:18:17,854 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:18:17,855 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:18:17,856 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:18:17,856 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:18:17,856 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:18:17,857 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:18:17,857 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:18:17,862 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:18:17,863 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:18:17,863 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:18:17,863 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:18:17,864 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:18:17,864 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:18:17,865 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:18:17,865 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:18:17,865 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:18:17,868 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:18:17,869 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:18:17,869 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:18:17,869 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:18:17,870 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:18:17,870 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:18:17,870 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:18:17,871 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:18:17,871 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:18:17,872 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:18:17,873 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:18:17,873 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:18:17,873 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:18:17,874 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:18:17,874 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:18:17,874 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:18:17,875 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:18:17,875 INFO L153 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_dd357d53-c622-4908-8fc2-59154abd1a15/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd357d53-c622-4908-8fc2-59154abd1a15/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3b13662719be51a1d3330a7f40f7706daa8c7b2d4044bc92f854095c09c7c129 [2024-11-09 06:18:18,251 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:18:18,287 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:18:18,291 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:18:18,294 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:18:18,294 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:18:18,296 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd357d53-c622-4908-8fc2-59154abd1a15/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i Unable to find full path for "g++" [2024-11-09 06:18:20,783 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:18:21,218 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:18:21,220 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd357d53-c622-4908-8fc2-59154abd1a15/sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i [2024-11-09 06:18:21,246 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd357d53-c622-4908-8fc2-59154abd1a15/bin/utaipan-verify-YMUCfTKeje/data/53b7f8cca/778f1524c7f145d8bf6f9a7d121637fd/FLAG87fd8b612 [2024-11-09 06:18:21,266 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd357d53-c622-4908-8fc2-59154abd1a15/bin/utaipan-verify-YMUCfTKeje/data/53b7f8cca/778f1524c7f145d8bf6f9a7d121637fd [2024-11-09 06:18:21,269 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:18:21,271 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:18:21,273 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:18:21,273 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:18:21,283 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:18:21,284 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:18:21" (1/1) ... [2024-11-09 06:18:21,286 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b27150 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:18:21, skipping insertion in model container [2024-11-09 06:18:21,286 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:18:21" (1/1) ... [2024-11-09 06:18:21,361 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:18:21,957 WARN L250 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_dd357d53-c622-4908-8fc2-59154abd1a15/sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i[33822,33835] [2024-11-09 06:18:22,024 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:18:22,037 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:18:22,115 WARN L250 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_dd357d53-c622-4908-8fc2-59154abd1a15/sv-benchmarks/c/heap-manipulation/bubble_sort_linux-2.i[33822,33835] [2024-11-09 06:18:22,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:18:22,250 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:18:22,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:18:22 WrapperNode [2024-11-09 06:18:22,252 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:18:22,253 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:18:22,254 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:18:22,254 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:18:22,265 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:18:22" (1/1) ... [2024-11-09 06:18:22,291 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:18:22" (1/1) ... [2024-11-09 06:18:22,325 INFO L138 Inliner]: procedures = 232, calls = 75, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 114 [2024-11-09 06:18:22,326 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:18:22,327 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:18:22,328 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:18:22,328 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:18:22,343 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:18:22" (1/1) ... [2024-11-09 06:18:22,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:18:22" (1/1) ... [2024-11-09 06:18:22,350 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:18:22" (1/1) ... [2024-11-09 06:18:22,351 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:18:22" (1/1) ... [2024-11-09 06:18:22,366 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:18:22" (1/1) ... [2024-11-09 06:18:22,373 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:18:22" (1/1) ... [2024-11-09 06:18:22,377 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:18:22" (1/1) ... [2024-11-09 06:18:22,379 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:18:22" (1/1) ... [2024-11-09 06:18:22,384 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:18:22,385 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:18:22,386 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:18:22,386 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:18:22,387 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:18:22" (1/1) ... [2024-11-09 06:18:22,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:18:22,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd357d53-c622-4908-8fc2-59154abd1a15/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:18:22,465 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd357d53-c622-4908-8fc2-59154abd1a15/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:18:22,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd357d53-c622-4908-8fc2-59154abd1a15/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:18:22,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 06:18:22,510 INFO L130 BoogieDeclarations]: Found specification of procedure inspect [2024-11-09 06:18:22,510 INFO L138 BoogieDeclarations]: Found implementation of procedure inspect [2024-11-09 06:18:22,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 06:18:22,510 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 06:18:22,511 INFO L130 BoogieDeclarations]: Found specification of procedure val_from_node [2024-11-09 06:18:22,511 INFO L138 BoogieDeclarations]: Found implementation of procedure val_from_node [2024-11-09 06:18:22,511 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 06:18:22,511 INFO L130 BoogieDeclarations]: Found specification of procedure fail [2024-11-09 06:18:22,511 INFO L138 BoogieDeclarations]: Found implementation of procedure fail [2024-11-09 06:18:22,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 06:18:22,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 06:18:22,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:18:22,512 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 06:18:22,512 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2024-11-09 06:18:22,512 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2024-11-09 06:18:22,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:18:22,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:18:22,514 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:18:22,688 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:18:22,691 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:18:23,283 INFO L? ?]: Removed 67 outVars from TransFormulas that were not future-live. [2024-11-09 06:18:23,286 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:18:23,400 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:18:23,400 INFO L316 CfgBuilder]: Removed 40 assume(true) statements. [2024-11-09 06:18:23,400 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:18:23 BoogieIcfgContainer [2024-11-09 06:18:23,400 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:18:23,403 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:18:23,403 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:18:23,407 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:18:23,408 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:18:21" (1/3) ... [2024-11-09 06:18:23,409 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@718adf60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:18:23, skipping insertion in model container [2024-11-09 06:18:23,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:18:22" (2/3) ... [2024-11-09 06:18:23,409 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@718adf60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:18:23, skipping insertion in model container [2024-11-09 06:18:23,409 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:18:23" (3/3) ... [2024-11-09 06:18:23,411 INFO L112 eAbstractionObserver]: Analyzing ICFG bubble_sort_linux-2.i [2024-11-09 06:18:23,432 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:18:23,432 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 06:18:23,519 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:18:23,528 INFO L333 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, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@218dd08d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:18:23,529 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 06:18:23,538 INFO L276 IsEmpty]: Start isEmpty. Operand has 106 states, 77 states have (on average 1.844155844155844) internal successors, (142), 96 states have internal predecessors, (142), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-09 06:18:23,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 06:18:23,553 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:18:23,554 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:18:23,554 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:18:23,566 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:18:23,567 INFO L85 PathProgramCache]: Analyzing trace with hash 555628126, now seen corresponding path program 1 times [2024-11-09 06:18:23,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:18:23,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1406346835] [2024-11-09 06:18:23,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:18:23,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:18:23,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:18:23,801 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:18:23,802 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:18:23,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1406346835] [2024-11-09 06:18:23,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1406346835] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:18:23,805 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:18:23,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:18:23,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003530394] [2024-11-09 06:18:23,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:18:23,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 06:18:23,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:18:23,849 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 06:18:23,850 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:18:23,854 INFO L87 Difference]: Start difference. First operand has 106 states, 77 states have (on average 1.844155844155844) internal successors, (142), 96 states have internal predecessors, (142), 23 states have call successors, (23), 4 states have call predecessors, (23), 4 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:18:23,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:18:23,968 INFO L93 Difference]: Finished difference Result 208 states and 373 transitions. [2024-11-09 06:18:23,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 06:18:23,976 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 8 [2024-11-09 06:18:23,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:18:23,992 INFO L225 Difference]: With dead ends: 208 [2024-11-09 06:18:23,992 INFO L226 Difference]: Without dead ends: 98 [2024-11-09 06:18:24,000 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 06:18:24,006 INFO L432 NwaCegarLoop]: 119 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:18:24,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 119 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:18:24,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-09 06:18:24,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2024-11-09 06:18:24,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 73 states have (on average 1.2876712328767124) internal successors, (94), 88 states have internal predecessors, (94), 21 states have call successors, (21), 4 states have call predecessors, (21), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 06:18:24,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 120 transitions. [2024-11-09 06:18:24,075 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 120 transitions. Word has length 8 [2024-11-09 06:18:24,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:18:24,075 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 120 transitions. [2024-11-09 06:18:24,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 06:18:24,076 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 120 transitions. [2024-11-09 06:18:24,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 06:18:24,083 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:18:24,083 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:18:24,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:18:24,084 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:18:24,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:18:24,085 INFO L85 PathProgramCache]: Analyzing trace with hash -1528432385, now seen corresponding path program 1 times [2024-11-09 06:18:24,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:18:24,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [999106801] [2024-11-09 06:18:24,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:18:24,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:18:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:18:24,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:18:24,553 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:18:24,553 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [999106801] [2024-11-09 06:18:24,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [999106801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:18:24,554 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:18:24,554 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 06:18:24,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1793692483] [2024-11-09 06:18:24,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:18:24,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 06:18:24,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:18:24,558 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 06:18:24,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 06:18:24,558 INFO L87 Difference]: Start difference. First operand 98 states and 120 transitions. Second operand has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 06:18:24,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:18:24,882 INFO L93 Difference]: Finished difference Result 100 states and 121 transitions. [2024-11-09 06:18:24,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 06:18:24,886 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2024-11-09 06:18:24,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:18:24,888 INFO L225 Difference]: With dead ends: 100 [2024-11-09 06:18:24,888 INFO L226 Difference]: Without dead ends: 97 [2024-11-09 06:18:24,893 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 06:18:24,894 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 172 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 06:18:24,895 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 205 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 06:18:24,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2024-11-09 06:18:24,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2024-11-09 06:18:24,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 97 states, 73 states have (on average 1.273972602739726) internal successors, (93), 87 states have internal predecessors, (93), 20 states have call successors, (20), 4 states have call predecessors, (20), 3 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 06:18:24,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 118 transitions. [2024-11-09 06:18:24,935 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 118 transitions. Word has length 15 [2024-11-09 06:18:24,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:18:24,937 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 118 transitions. [2024-11-09 06:18:24,938 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.2) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 06:18:24,941 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 118 transitions. [2024-11-09 06:18:24,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 06:18:24,942 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:18:24,942 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:18:24,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:18:24,943 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:18:24,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:18:24,944 INFO L85 PathProgramCache]: Analyzing trace with hash 1438682753, now seen corresponding path program 1 times [2024-11-09 06:18:24,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:18:24,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49919124] [2024-11-09 06:18:24,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:18:24,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:18:25,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:18:25,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:18:25,947 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:18:25,947 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49919124] [2024-11-09 06:18:25,947 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49919124] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:18:25,948 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:18:25,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 06:18:25,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335545622] [2024-11-09 06:18:25,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:18:25,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-09 06:18:25,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:18:25,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-09 06:18:25,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-09 06:18:25,951 INFO L87 Difference]: Start difference. First operand 97 states and 118 transitions. Second operand has 10 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 06:18:27,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:18:27,021 INFO L93 Difference]: Finished difference Result 183 states and 221 transitions. [2024-11-09 06:18:27,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 06:18:27,023 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2024-11-09 06:18:27,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:18:27,025 INFO L225 Difference]: With dead ends: 183 [2024-11-09 06:18:27,026 INFO L226 Difference]: Without dead ends: 177 [2024-11-09 06:18:27,026 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=58, Invalid=182, Unknown=0, NotChecked=0, Total=240 [2024-11-09 06:18:27,028 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 350 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 413 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 352 SdHoareTripleChecker+Valid, 519 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 413 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-09 06:18:27,029 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [352 Valid, 519 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 413 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-09 06:18:27,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-09 06:18:27,108 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 161. [2024-11-09 06:18:27,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 133 states have (on average 1.2781954887218046) internal successors, (170), 147 states have internal predecessors, (170), 23 states have call successors, (23), 6 states have call predecessors, (23), 4 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2024-11-09 06:18:27,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 200 transitions. [2024-11-09 06:18:27,121 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 200 transitions. Word has length 18 [2024-11-09 06:18:27,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:18:27,121 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 200 transitions. [2024-11-09 06:18:27,122 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 1.75) internal successors, (14), 7 states have internal predecessors, (14), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 06:18:27,122 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 200 transitions. [2024-11-09 06:18:27,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 06:18:27,123 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:18:27,123 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:18:27,125 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:18:27,126 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:18:27,126 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:18:27,127 INFO L85 PathProgramCache]: Analyzing trace with hash 58215596, now seen corresponding path program 1 times [2024-11-09 06:18:27,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:18:27,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847525127] [2024-11-09 06:18:27,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:18:27,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:18:27,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:18:28,284 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:18:28,285 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:18:28,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847525127] [2024-11-09 06:18:28,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1847525127] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:18:28,285 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:18:28,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 06:18:28,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820038324] [2024-11-09 06:18:28,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:18:28,287 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 06:18:28,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:18:28,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 06:18:28,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-09 06:18:28,288 INFO L87 Difference]: Start difference. First operand 161 states and 200 transitions. Second operand has 11 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 7 states have internal predecessors, (17), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 06:18:29,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:18:29,861 INFO L93 Difference]: Finished difference Result 256 states and 314 transitions. [2024-11-09 06:18:29,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:18:29,862 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 7 states have internal predecessors, (17), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2024-11-09 06:18:29,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:18:29,866 INFO L225 Difference]: With dead ends: 256 [2024-11-09 06:18:29,867 INFO L226 Difference]: Without dead ends: 253 [2024-11-09 06:18:29,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2024-11-09 06:18:29,872 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 304 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 929 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 929 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-09 06:18:29,877 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 152 Invalid, 967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 929 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-09 06:18:29,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-11-09 06:18:29,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 237. [2024-11-09 06:18:29,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 202 states have (on average 1.2722772277227723) internal successors, (257), 217 states have internal predecessors, (257), 28 states have call successors, (28), 8 states have call predecessors, (28), 6 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 06:18:29,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 296 transitions. [2024-11-09 06:18:29,976 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 296 transitions. Word has length 21 [2024-11-09 06:18:29,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:18:29,977 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 296 transitions. [2024-11-09 06:18:29,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 7 states have internal predecessors, (17), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 06:18:29,978 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 296 transitions. [2024-11-09 06:18:29,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 06:18:29,979 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:18:29,979 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:18:29,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 06:18:29,980 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:18:29,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:18:29,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1112682351, now seen corresponding path program 1 times [2024-11-09 06:18:29,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:18:29,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [417633164] [2024-11-09 06:18:29,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:18:29,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:18:30,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:18:30,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:18:30,927 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:18:30,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [417633164] [2024-11-09 06:18:30,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [417633164] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:18:30,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:18:30,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 06:18:30,928 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799056955] [2024-11-09 06:18:30,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:18:30,929 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 06:18:30,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:18:30,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 06:18:30,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2024-11-09 06:18:30,931 INFO L87 Difference]: Start difference. First operand 237 states and 296 transitions. Second operand has 11 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 7 states have internal predecessors, (20), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 06:18:32,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:18:32,633 INFO L93 Difference]: Finished difference Result 255 states and 312 transitions. [2024-11-09 06:18:32,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 06:18:32,635 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 7 states have internal predecessors, (20), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2024-11-09 06:18:32,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:18:32,637 INFO L225 Difference]: With dead ends: 255 [2024-11-09 06:18:32,638 INFO L226 Difference]: Without dead ends: 252 [2024-11-09 06:18:32,640 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2024-11-09 06:18:32,646 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 343 mSDsluCounter, 132 mSDsCounter, 0 mSdLazyCounter, 922 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 961 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 922 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-09 06:18:32,646 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 152 Invalid, 961 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 922 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-09 06:18:32,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-09 06:18:32,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 237. [2024-11-09 06:18:32,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 202 states have (on average 1.2673267326732673) internal successors, (256), 217 states have internal predecessors, (256), 28 states have call successors, (28), 8 states have call predecessors, (28), 6 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 06:18:32,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 295 transitions. [2024-11-09 06:18:32,743 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 295 transitions. Word has length 24 [2024-11-09 06:18:32,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:18:32,744 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 295 transitions. [2024-11-09 06:18:32,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 2.2222222222222223) internal successors, (20), 7 states have internal predecessors, (20), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 06:18:32,745 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 295 transitions. [2024-11-09 06:18:32,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 06:18:32,747 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:18:32,748 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:18:32,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 06:18:32,749 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:18:32,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:18:32,750 INFO L85 PathProgramCache]: Analyzing trace with hash 406345239, now seen corresponding path program 1 times [2024-11-09 06:18:32,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:18:32,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148278812] [2024-11-09 06:18:32,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:18:32,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:18:32,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:18:34,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:18:34,155 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:18:34,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148278812] [2024-11-09 06:18:34,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148278812] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:18:34,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:18:34,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-09 06:18:34,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074971237] [2024-11-09 06:18:34,157 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:18:34,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 06:18:34,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:18:34,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 06:18:34,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2024-11-09 06:18:34,161 INFO L87 Difference]: Start difference. First operand 237 states and 295 transitions. Second operand has 12 states, 10 states have (on average 2.3) internal successors, (23), 8 states have internal predecessors, (23), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 06:18:36,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:18:36,100 INFO L93 Difference]: Finished difference Result 254 states and 310 transitions. [2024-11-09 06:18:36,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-09 06:18:36,101 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 2.3) internal successors, (23), 8 states have internal predecessors, (23), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 27 [2024-11-09 06:18:36,102 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:18:36,104 INFO L225 Difference]: With dead ends: 254 [2024-11-09 06:18:36,105 INFO L226 Difference]: Without dead ends: 251 [2024-11-09 06:18:36,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2024-11-09 06:18:36,108 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 337 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 1046 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 1080 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 1046 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-09 06:18:36,112 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 170 Invalid, 1080 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 1046 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-09 06:18:36,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2024-11-09 06:18:36,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 237. [2024-11-09 06:18:36,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 202 states have (on average 1.2623762376237624) internal successors, (255), 217 states have internal predecessors, (255), 28 states have call successors, (28), 8 states have call predecessors, (28), 6 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-09 06:18:36,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 294 transitions. [2024-11-09 06:18:36,187 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 294 transitions. Word has length 27 [2024-11-09 06:18:36,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:18:36,187 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 294 transitions. [2024-11-09 06:18:36,188 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 2.3) internal successors, (23), 8 states have internal predecessors, (23), 3 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-09 06:18:36,189 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 294 transitions. [2024-11-09 06:18:36,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-09 06:18:36,190 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:18:36,190 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:18:36,190 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 06:18:36,191 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting failErr0ASSERT_VIOLATIONERROR_FUNCTION === [failErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 06:18:36,191 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:18:36,191 INFO L85 PathProgramCache]: Analyzing trace with hash 38340495, now seen corresponding path program 1 times [2024-11-09 06:18:36,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:18:36,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305780716] [2024-11-09 06:18:36,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:18:36,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:18:36,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:18:37,777 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-09 06:18:37,778 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:18:37,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305780716] [2024-11-09 06:18:37,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305780716] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 06:18:37,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [84197612] [2024-11-09 06:18:37,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:18:37,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 06:18:37,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd357d53-c622-4908-8fc2-59154abd1a15/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:18:37,781 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd357d53-c622-4908-8fc2-59154abd1a15/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 06:18:37,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dd357d53-c622-4908-8fc2-59154abd1a15/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 06:18:37,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:18:38,006 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 59 conjuncts are in the unsatisfiable core [2024-11-09 06:18:38,023 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 06:18:38,184 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-11-09 06:18:38,186 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 15 [2024-11-09 06:18:38,238 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-11-09 06:18:38,238 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 15 [2024-11-09 06:18:38,288 INFO L349 Elim1Store]: treesize reduction 20, result has 33.3 percent of original size [2024-11-09 06:18:38,289 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 16 [2024-11-09 06:18:38,625 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 50 [2024-11-09 06:18:38,644 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 58 treesize of output 57 [2024-11-09 06:18:38,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:18:38,788 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 14 [2024-11-09 06:18:38,795 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 22 [2024-11-09 06:18:38,965 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2024-11-09 06:18:38,966 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 23 [2024-11-09 06:18:39,012 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2024-11-09 06:18:39,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2024-11-09 06:18:39,183 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 82 [2024-11-09 06:18:39,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 77 [2024-11-09 06:18:39,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 69 [2024-11-09 06:18:39,251 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 64 [2024-11-09 06:18:39,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 69 [2024-11-09 06:18:39,290 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 64 [2024-11-09 06:18:41,320 WARN L851 $PredicateComparison]: unable to prove that (and (= |c_~#gl_list~0.offset| 0) (= 3 |c_~#gl_list~0.base|) (let ((.cse6 (= |c_list_add_#in~head#1.base| |c_list_add_#in~new#1.base|)) (.cse2 (select (select |c_old(#memory_$Pointer$.base)| |c_list_add_#in~head#1.base|) |c_list_add_#in~head#1.offset|)) (.cse12 (select |c_#memory_$Pointer$.base| |c_list_add_#in~new#1.base|))) (let ((.cse0 (store |c_old(#memory_$Pointer$.base)| |c_list_add_#in~new#1.base| .cse12)) (.cse7 (= |c_list_add_#in~new#1.base| .cse2)) (.cse8 (= |c_list_add_#in~head#1.base| .cse2)) (.cse4 (not .cse6)) (.cse3 (select |c_old(#memory_$Pointer$.base)| .cse2))) (or (and (or (and (exists ((|list_add_#in~new#1.offset| Int) (v_arrayElimCell_17 Int)) (= |c_#memory_$Pointer$.base| (store .cse0 |c_list_add_#in~head#1.base| (store (select (let ((.cse1 (store |c_old(#memory_$Pointer$.base)| .cse2 (store .cse3 (+ 4 v_arrayElimCell_17) |c_list_add_#in~new#1.base|)))) (store .cse1 |c_list_add_#in~new#1.base| (store (store (select .cse1 |c_list_add_#in~new#1.base|) |list_add_#in~new#1.offset| .cse2) (+ |list_add_#in~new#1.offset| 4) |c_list_add_#in~head#1.base|))) |c_list_add_#in~head#1.base|) |c_list_add_#in~head#1.offset| |c_list_add_#in~new#1.base|)))) .cse4) (and (exists ((|list_add_#in~new#1.offset| Int) (v_arrayElimCell_18 Int)) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_list_add_#in~head#1.base| (store (select (let ((.cse5 (store |c_old(#memory_$Pointer$.base)| .cse2 (store .cse3 (+ 4 v_arrayElimCell_18) |c_list_add_#in~new#1.base|)))) (store .cse5 |c_list_add_#in~new#1.base| (store (store (select .cse5 |c_list_add_#in~new#1.base|) |list_add_#in~new#1.offset| .cse2) (+ |list_add_#in~new#1.offset| 4) |c_list_add_#in~head#1.base|))) |c_list_add_#in~head#1.base|) |c_list_add_#in~head#1.offset| |c_list_add_#in~new#1.base|)))) .cse6)) .cse7) (and .cse8 (or (and (exists ((|list_add_#in~new#1.offset| Int) (v_arrayElimCell_15 Int)) (= (store .cse0 |c_list_add_#in~head#1.base| (store (select (let ((.cse9 (store |c_old(#memory_$Pointer$.base)| .cse2 (store .cse3 (+ 4 v_arrayElimCell_15) |c_list_add_#in~new#1.base|)))) (store .cse9 |c_list_add_#in~new#1.base| (store (store (select .cse9 |c_list_add_#in~new#1.base|) |list_add_#in~new#1.offset| .cse2) (+ |list_add_#in~new#1.offset| 4) |c_list_add_#in~head#1.base|))) |c_list_add_#in~head#1.base|) |c_list_add_#in~head#1.offset| |c_list_add_#in~new#1.base|)) |c_#memory_$Pointer$.base|)) .cse4) (and (exists ((|list_add_#in~new#1.offset| Int) (v_arrayElimCell_16 Int)) (= |c_#memory_$Pointer$.base| (store |c_old(#memory_$Pointer$.base)| |c_list_add_#in~head#1.base| (store (select (let ((.cse10 (store |c_old(#memory_$Pointer$.base)| .cse2 (store .cse3 (+ 4 v_arrayElimCell_16) |c_list_add_#in~new#1.base|)))) (store .cse10 |c_list_add_#in~new#1.base| (store (store (select .cse10 |c_list_add_#in~new#1.base|) |list_add_#in~new#1.offset| .cse2) (+ |list_add_#in~new#1.offset| 4) |c_list_add_#in~head#1.base|))) |c_list_add_#in~head#1.base|) |c_list_add_#in~head#1.offset| |c_list_add_#in~new#1.base|)))) .cse6))) (and (not .cse7) (not .cse8) (let ((.cse11 (store |c_old(#memory_$Pointer$.base)| .cse2 (select |c_#memory_$Pointer$.base| .cse2)))) (or (and (exists ((|list_add_#in~new#1.offset| Int) (v_arrayElimCell_13 Int)) (= (store (store .cse11 |c_list_add_#in~new#1.base| .cse12) |c_list_add_#in~head#1.base| (store (select (let ((.cse13 (store |c_old(#memory_$Pointer$.base)| .cse2 (store .cse3 (+ 4 v_arrayElimCell_13) |c_list_add_#in~new#1.base|)))) (store .cse13 |c_list_add_#in~new#1.base| (store (store (select .cse13 |c_list_add_#in~new#1.base|) |list_add_#in~new#1.offset| .cse2) (+ |list_add_#in~new#1.offset| 4) |c_list_add_#in~head#1.base|))) |c_list_add_#in~head#1.base|) |c_list_add_#in~head#1.offset| |c_list_add_#in~new#1.base|)) |c_#memory_$Pointer$.base|)) .cse4) (and (exists ((|list_add_#in~new#1.offset| Int) (v_arrayElimCell_14 Int)) (= |c_#memory_$Pointer$.base| (store .cse11 |c_list_add_#in~head#1.base| (store (select (let ((.cse14 (store |c_old(#memory_$Pointer$.base)| .cse2 (store .cse3 (+ 4 v_arrayElimCell_14) |c_list_add_#in~new#1.base|)))) (store .cse14 |c_list_add_#in~new#1.base| (store (store (select .cse14 |c_list_add_#in~new#1.base|) |list_add_#in~new#1.offset| .cse2) (+ |list_add_#in~new#1.offset| 4) |c_list_add_#in~head#1.base|))) |c_list_add_#in~head#1.base|) |c_list_add_#in~head#1.offset| |c_list_add_#in~new#1.base|)))) .cse6)))))))) is different from false [2024-11-09 06:18:41,538 INFO L349 Elim1Store]: treesize reduction 160, result has 8.6 percent of original size [2024-11-09 06:18:41,539 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 189 treesize of output 259 [2024-11-09 06:18:41,596 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:18:41,965 INFO L349 Elim1Store]: treesize reduction 90, result has 32.3 percent of original size [2024-11-09 06:18:41,965 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 4 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 7 case distinctions, treesize of input 110 treesize of output 229 [2024-11-09 06:18:42,193 INFO L349 Elim1Store]: treesize reduction 46, result has 22.0 percent of original size [2024-11-09 06:18:42,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 153 [2024-11-09 06:18:45,465 WARN L200 Elim1Store]: Array PQE input equivalent to false [2024-11-09 06:18:45,479 WARN L200 Elim1Store]: Array PQE input equivalent to false [2024-11-09 06:18:45,495 WARN L200 Elim1Store]: Array PQE input equivalent to false [2024-11-09 06:18:45,509 WARN L200 Elim1Store]: Array PQE input equivalent to false [2024-11-09 06:18:45,643 WARN L200 Elim1Store]: Array PQE input equivalent to false [2024-11-09 06:18:45,656 WARN L200 Elim1Store]: Array PQE input equivalent to false [2024-11-09 06:18:45,670 WARN L200 Elim1Store]: Array PQE input equivalent to false [2024-11-09 06:18:45,684 WARN L200 Elim1Store]: Array PQE input equivalent to false [2024-11-09 06:18:46,028 WARN L200 Elim1Store]: Array PQE input equivalent to false [2024-11-09 06:18:46,044 WARN L200 Elim1Store]: Array PQE input equivalent to false [2024-11-09 06:18:46,061 WARN L200 Elim1Store]: Array PQE input equivalent to false [2024-11-09 06:18:46,254 WARN L200 Elim1Store]: Array PQE input equivalent to false [2024-11-09 06:18:46,275 WARN L200 Elim1Store]: Array PQE input equivalent to false [2024-11-09 06:18:46,294 WARN L200 Elim1Store]: Array PQE input equivalent to false [2024-11-09 06:18:46,731 INFO L349 Elim1Store]: treesize reduction 48, result has 18.6 percent of original size [2024-11-09 06:18:46,732 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 540 treesize of output 444 [2024-11-09 06:18:47,434 WARN L200 Elim1Store]: Array PQE input equivalent to false [2024-11-09 06:18:47,626 INFO L349 Elim1Store]: treesize reduction 51, result has 17.7 percent of original size [2024-11-09 06:18:47,627 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 712 treesize of output 587 [2024-11-09 06:18:49,197 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 184 [2024-11-09 06:18:49,664 INFO L349 Elim1Store]: treesize reduction 100, result has 18.7 percent of original size [2024-11-09 06:18:49,665 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 320 treesize of output 845 [2024-11-09 06:18:54,712 INFO L349 Elim1Store]: treesize reduction 763, result has 0.5 percent of original size [2024-11-09 06:18:54,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 15 case distinctions, treesize of input 391 treesize of output 281 [2024-11-09 06:19:34,514 WARN L286 SmtUtils]: Spent 31.40s on a formula simplification. DAG size of input: 371 DAG size of output: 155 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2024-11-09 06:19:34,514 INFO L349 Elim1Store]: treesize reduction 2919, result has 14.5 percent of original size [2024-11-09 06:19:34,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 5 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 51 case distinctions, treesize of input 22177 treesize of output 11254 [2024-11-09 06:20:12,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:20:13,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:20:13,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:20:16,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:20:16,735 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:20:16,879 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:20:18,666 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:20:18,885 INFO L224 Elim1Store]: Index analysis took 6426 ms [2024-11-09 06:20:18,890 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:20:18,898 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:20:21,202 INFO L349 Elim1Store]: treesize reduction 549, result has 0.2 percent of original size [2024-11-09 06:20:21,203 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 4 select indices, 4 select index equivalence classes, 9 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 26 case distinctions, treesize of input 339 treesize of output 486 [2024-11-09 06:20:28,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:20:29,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:20:29,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:20:32,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:20:33,287 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:20:33,404 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:20:35,683 INFO L224 Elim1Store]: Index analysis took 7021 ms [2024-11-09 06:20:35,686 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:20:35,692 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:20:37,314 INFO L349 Elim1Store]: treesize reduction 557, result has 0.2 percent of original size [2024-11-09 06:20:37,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 4 select indices, 4 select index equivalence classes, 13 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 26 case distinctions, treesize of input 339 treesize of output 486 [2024-11-09 06:20:39,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:20:40,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:20:40,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:20:40,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:20:40,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:20:43,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:20:43,353 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:20:43,521 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:20:45,806 INFO L224 Elim1Store]: Index analysis took 6063 ms [2024-11-09 06:20:45,809 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:20:45,812 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:20:45,818 INFO L173 IndexEqualityManager]: detected equality via solver [2024-11-09 06:20:47,318 INFO L349 Elim1Store]: treesize reduction 501, result has 0.2 percent of original size [2024-11-09 06:20:47,319 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 4 select indices, 4 select index equivalence classes, 12 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 24 case distinctions, treesize of input 339 treesize of output 486 [2024-11-09 06:25:26,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:25:26,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:25:26,750 INFO L349 Elim1Store]: treesize reduction 11, result has 47.6 percent of original size [2024-11-09 06:25:26,750 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 7 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 51 treesize of output 49 [2024-11-09 06:25:45,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:25:46,131 INFO L349 Elim1Store]: treesize reduction 29, result has 25.6 percent of original size [2024-11-09 06:25:46,132 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 49 [2024-11-09 06:26:32,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:26:33,064 INFO L349 Elim1Store]: treesize reduction 29, result has 21.6 percent of original size [2024-11-09 06:26:33,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 51 treesize of output 47 [2024-11-09 06:27:54,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:27:54,903 INFO L224 Elim1Store]: Index analysis took 216 ms [2024-11-09 06:27:55,170 INFO L349 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2024-11-09 06:27:55,170 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 57 [2024-11-09 06:27:58,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:27:58,300 INFO L224 Elim1Store]: Index analysis took 264 ms [2024-11-09 06:27:58,739 INFO L349 Elim1Store]: treesize reduction 28, result has 40.4 percent of original size [2024-11-09 06:27:58,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 57 [2024-11-09 06:32:45,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:32:45,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:32:45,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:32:45,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:32:46,468 INFO L349 Elim1Store]: treesize reduction 130, result has 27.4 percent of original size [2024-11-09 06:32:46,469 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 4015 treesize of output 3970 [2024-11-09 06:32:54,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:32:54,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:32:54,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:32:54,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:32:54,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:32:54,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:32:54,873 INFO L349 Elim1Store]: treesize reduction 174, result has 16.3 percent of original size [2024-11-09 06:32:54,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 11 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 1056 treesize of output 1077 [2024-11-09 06:32:56,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:32:56,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:32:56,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:32:56,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:32:56,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:32:56,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:32:56,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:32:56,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:32:56,382 INFO L349 Elim1Store]: treesize reduction 87, result has 1.1 percent of original size [2024-11-09 06:32:56,382 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 13 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 4 case distinctions, treesize of input 695 treesize of output 616 [2024-11-09 06:32:57,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:32:57,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:32:57,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:32:57,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:32:57,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:32:57,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-09 06:33:01,448 INFO L349 Elim1Store]: treesize reduction 544, result has 15.5 percent of original size [2024-11-09 06:33:01,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 5 stores, 2 select indices, 2 select index equivalence classes, 15 disjoint index pairs (out of 1 index pairs), introduced 7 new quantified variables, introduced 17 case distinctions, treesize of input 6178 treesize of output 6446