./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash f665efa4a665554cf7543e013a29ff4c6ab086907b4fe7628b89c7f514f54a81 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:35:05,321 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:35:05,324 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:35:05,370 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:35:05,371 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:35:05,375 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:35:05,379 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:35:05,382 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:35:05,387 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:35:05,397 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:35:05,398 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:35:05,399 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:35:05,399 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:35:05,401 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:35:05,402 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:35:05,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:35:05,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:35:05,405 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:35:05,407 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:35:05,409 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:35:05,420 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:35:05,423 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:35:05,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:35:05,429 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:35:05,439 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:35:05,440 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:35:05,440 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:35:05,441 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:35:05,442 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:35:05,443 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:35:05,443 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:35:05,444 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:35:05,445 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:35:05,446 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:35:05,454 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:35:05,456 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:35:05,457 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:35:05,457 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:35:05,458 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:35:05,459 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:35:05,459 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:35:05,461 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 07:35:05,516 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:35:05,516 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:35:05,517 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:35:05,517 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:35:05,518 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:35:05,519 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:35:05,519 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:35:05,519 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:35:05,519 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:35:05,520 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:35:05,521 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:35:05,521 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:35:05,522 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:35:05,522 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:35:05,522 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:35:05,522 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:35:05,523 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:35:05,523 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:35:05,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:35:05,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:35:05,524 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:35:05,524 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:35:05,525 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:35:05,526 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:35:05,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:35:05,527 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:35:05,527 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:35:05,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:35:05,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:35:05,528 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:35:05,528 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:35:05,529 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:35:05,529 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:35:05,529 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:35:05,530 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:35:05,530 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:35:05,530 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:35:05,530 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:35:05,530 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f665efa4a665554cf7543e013a29ff4c6ab086907b4fe7628b89c7f514f54a81 [2022-11-19 07:35:05,890 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:35:05,930 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:35:05,933 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:35:05,935 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:35:05,936 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:35:05,938 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i [2022-11-19 07:35:06,054 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS/data/37dda8bf5/33a2d1c7f5ca4ef5a285e0503bf9db37/FLAG0fd051ef2 [2022-11-19 07:35:07,160 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:35:07,161 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i [2022-11-19 07:35:07,208 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS/data/37dda8bf5/33a2d1c7f5ca4ef5a285e0503bf9db37/FLAG0fd051ef2 [2022-11-19 07:35:07,472 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS/data/37dda8bf5/33a2d1c7f5ca4ef5a285e0503bf9db37 [2022-11-19 07:35:07,475 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:35:07,476 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:35:07,479 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:35:07,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:35:07,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:35:07,485 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:07" (1/1) ... [2022-11-19 07:35:07,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e9bf360 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:07, skipping insertion in model container [2022-11-19 07:35:07,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:35:07" (1/1) ... [2022-11-19 07:35:07,496 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:35:07,686 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:35:10,510 WARN L234 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_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i[298813,298826] [2022-11-19 07:35:10,589 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:35:10,643 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:35:11,181 WARN L234 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_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i[298813,298826] [2022-11-19 07:35:11,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:35:11,312 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:35:11,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:11 WrapperNode [2022-11-19 07:35:11,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:35:11,314 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:35:11,315 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:35:11,315 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:35:11,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:11" (1/1) ... [2022-11-19 07:35:11,438 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:11" (1/1) ... [2022-11-19 07:35:11,749 INFO L138 Inliner]: procedures = 237, calls = 2068, calls flagged for inlining = 107, calls inlined = 104, statements flattened = 4580 [2022-11-19 07:35:11,750 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:35:11,751 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:35:11,751 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:35:11,752 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:35:11,764 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:11" (1/1) ... [2022-11-19 07:35:11,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:11" (1/1) ... [2022-11-19 07:35:11,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:11" (1/1) ... [2022-11-19 07:35:11,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:11" (1/1) ... [2022-11-19 07:35:12,026 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:11" (1/1) ... [2022-11-19 07:35:12,062 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:11" (1/1) ... [2022-11-19 07:35:12,082 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:11" (1/1) ... [2022-11-19 07:35:12,099 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:11" (1/1) ... [2022-11-19 07:35:12,132 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:35:12,134 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:35:12,134 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:35:12,134 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:35:12,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:11" (1/1) ... [2022-11-19 07:35:12,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:35:12,166 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:35:12,183 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:35:12,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:35:12,253 INFO L130 BoogieDeclarations]: Found specification of procedure ResetChip [2022-11-19 07:35:12,253 INFO L138 BoogieDeclarations]: Found implementation of procedure ResetChip [2022-11-19 07:35:12,254 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_ioctl [2022-11-19 07:35:12,255 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_ioctl [2022-11-19 07:35:12,255 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-19 07:35:12,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-19 07:35:12,256 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 07:35:12,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 07:35:12,256 INFO L130 BoogieDeclarations]: Found specification of procedure RxCurCount [2022-11-19 07:35:12,256 INFO L138 BoogieDeclarations]: Found implementation of procedure RxCurCount [2022-11-19 07:35:12,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 07:35:12,257 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 07:35:12,257 INFO L130 BoogieDeclarations]: Found specification of procedure irda_device_txqueue_empty [2022-11-19 07:35:12,257 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_device_txqueue_empty [2022-11-19 07:35:12,258 INFO L130 BoogieDeclarations]: Found specification of procedure irda_setup_dma [2022-11-19 07:35:12,258 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_setup_dma [2022-11-19 07:35:12,258 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-19 07:35:12,258 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-19 07:35:12,259 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-11-19 07:35:12,259 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-11-19 07:35:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-19 07:35:12,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-19 07:35:12,261 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 07:35:12,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 07:35:12,262 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2022-11-19 07:35:12,262 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2022-11-19 07:35:12,263 INFO L130 BoogieDeclarations]: Found specification of procedure Sdelay [2022-11-19 07:35:12,263 INFO L138 BoogieDeclarations]: Found implementation of procedure Sdelay [2022-11-19 07:35:12,263 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-19 07:35:12,263 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-19 07:35:12,264 INFO L130 BoogieDeclarations]: Found specification of procedure CheckRegBit [2022-11-19 07:35:12,264 INFO L138 BoogieDeclarations]: Found implementation of procedure CheckRegBit [2022-11-19 07:35:12,265 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 07:35:12,265 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 07:35:12,265 INFO L130 BoogieDeclarations]: Found specification of procedure SetSIR [2022-11-19 07:35:12,265 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSIR [2022-11-19 07:35:12,266 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_speed [2022-11-19 07:35:12,266 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_speed [2022-11-19 07:35:12,266 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 07:35:12,266 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 07:35:12,267 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-19 07:35:12,267 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-19 07:35:12,267 INFO L130 BoogieDeclarations]: Found specification of procedure SetMaxRxPacketSize [2022-11-19 07:35:12,267 INFO L138 BoogieDeclarations]: Found implementation of procedure SetMaxRxPacketSize [2022-11-19 07:35:12,268 INFO L130 BoogieDeclarations]: Found specification of procedure dma_zalloc_coherent [2022-11-19 07:35:12,268 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_zalloc_coherent [2022-11-19 07:35:12,269 INFO L130 BoogieDeclarations]: Found specification of procedure GetRecvByte [2022-11-19 07:35:12,269 INFO L138 BoogieDeclarations]: Found implementation of procedure GetRecvByte [2022-11-19 07:35:12,270 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-19 07:35:12,272 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-19 07:35:12,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:35:12,272 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 07:35:12,273 INFO L130 BoogieDeclarations]: Found specification of procedure SetPulseWidth [2022-11-19 07:35:12,273 INFO L138 BoogieDeclarations]: Found implementation of procedure SetPulseWidth [2022-11-19 07:35:12,273 INFO L130 BoogieDeclarations]: Found specification of procedure Tdelay [2022-11-19 07:35:12,273 INFO L138 BoogieDeclarations]: Found implementation of procedure Tdelay [2022-11-19 07:35:12,274 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2022-11-19 07:35:12,274 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2022-11-19 07:35:12,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-19 07:35:12,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-19 07:35:12,276 INFO L130 BoogieDeclarations]: Found specification of procedure hwreset [2022-11-19 07:35:12,276 INFO L138 BoogieDeclarations]: Found implementation of procedure hwreset [2022-11-19 07:35:12,276 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-19 07:35:12,277 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-19 07:35:12,277 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:35:12,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 07:35:12,277 INFO L130 BoogieDeclarations]: Found specification of procedure ClkTx [2022-11-19 07:35:12,278 INFO L138 BoogieDeclarations]: Found implementation of procedure ClkTx [2022-11-19 07:35:12,278 INFO L130 BoogieDeclarations]: Found specification of procedure WriteLPCReg [2022-11-19 07:35:12,278 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteLPCReg [2022-11-19 07:35:12,279 INFO L130 BoogieDeclarations]: Found specification of procedure capable [2022-11-19 07:35:12,280 INFO L138 BoogieDeclarations]: Found implementation of procedure capable [2022-11-19 07:35:12,280 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2022-11-19 07:35:12,280 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2022-11-19 07:35:12,281 INFO L130 BoogieDeclarations]: Found specification of procedure CommonInit [2022-11-19 07:35:12,281 INFO L138 BoogieDeclarations]: Found implementation of procedure CommonInit [2022-11-19 07:35:12,281 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-19 07:35:12,281 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-19 07:35:12,282 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-19 07:35:12,282 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-19 07:35:12,282 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-19 07:35:12,282 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-19 07:35:12,283 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_change_dongle_speed [2022-11-19 07:35:12,284 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_change_dongle_speed [2022-11-19 07:35:12,284 INFO L130 BoogieDeclarations]: Found specification of procedure ReadLPCReg [2022-11-19 07:35:12,285 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadLPCReg [2022-11-19 07:35:12,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-19 07:35:12,285 INFO L130 BoogieDeclarations]: Found specification of procedure free_dma [2022-11-19 07:35:12,287 INFO L138 BoogieDeclarations]: Found implementation of procedure free_dma [2022-11-19 07:35:12,287 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_receive [2022-11-19 07:35:12,287 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_receive [2022-11-19 07:35:12,288 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-19 07:35:12,289 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_dma_xmit [2022-11-19 07:35:12,289 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_dma_xmit [2022-11-19 07:35:12,289 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-19 07:35:12,290 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-19 07:35:12,290 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_close [2022-11-19 07:35:12,290 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_close [2022-11-19 07:35:12,290 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-19 07:35:12,291 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-19 07:35:12,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:35:12,291 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-19 07:35:12,291 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-19 07:35:12,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-19 07:35:12,293 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-19 07:35:12,293 INFO L130 BoogieDeclarations]: Found specification of procedure CkRxRecv [2022-11-19 07:35:12,293 INFO L138 BoogieDeclarations]: Found implementation of procedure CkRxRecv [2022-11-19 07:35:12,293 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-11-19 07:35:12,294 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-11-19 07:35:12,295 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-19 07:35:12,296 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-19 07:35:12,300 INFO L130 BoogieDeclarations]: Found specification of procedure irda_get_next_speed [2022-11-19 07:35:12,301 INFO L138 BoogieDeclarations]: Found implementation of procedure irda_get_next_speed [2022-11-19 07:35:12,301 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-19 07:35:12,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-19 07:35:12,305 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:35:12,306 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-19 07:35:12,307 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-19 07:35:12,308 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-11-19 07:35:12,308 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-11-19 07:35:12,314 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendByte [2022-11-19 07:35:12,314 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendByte [2022-11-19 07:35:12,315 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-11-19 07:35:12,315 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-11-19 07:35:12,315 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 07:35:12,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 07:35:12,316 INFO L130 BoogieDeclarations]: Found specification of procedure ReadReg [2022-11-19 07:35:12,316 INFO L138 BoogieDeclarations]: Found implementation of procedure ReadReg [2022-11-19 07:35:12,316 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_open [2022-11-19 07:35:12,316 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_open [2022-11-19 07:35:12,317 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-19 07:35:12,317 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-19 07:35:12,317 INFO L130 BoogieDeclarations]: Found specification of procedure WriteRegBit [2022-11-19 07:35:12,317 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteRegBit [2022-11-19 07:35:12,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 07:35:12,318 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Indx [2022-11-19 07:35:12,406 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Indx [2022-11-19 07:35:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-19 07:35:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-19 07:35:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:35:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-19 07:35:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-19 07:35:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 07:35:12,407 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-11-19 07:35:12,407 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-11-19 07:35:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-19 07:35:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-19 07:35:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-19 07:35:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure WriteReg [2022-11-19 07:35:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure WriteReg [2022-11-19 07:35:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure SetSendPreambleCount [2022-11-19 07:35:12,408 INFO L138 BoogieDeclarations]: Found implementation of procedure SetSendPreambleCount [2022-11-19 07:35:12,408 INFO L130 BoogieDeclarations]: Found specification of procedure InitCard [2022-11-19 07:35:12,409 INFO L138 BoogieDeclarations]: Found implementation of procedure InitCard [2022-11-19 07:35:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure SetTimer [2022-11-19 07:35:12,409 INFO L138 BoogieDeclarations]: Found implementation of procedure SetTimer [2022-11-19 07:35:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure ActClk [2022-11-19 07:35:12,409 INFO L138 BoogieDeclarations]: Found implementation of procedure ActClk [2022-11-19 07:35:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure SetBaudRate [2022-11-19 07:35:12,409 INFO L138 BoogieDeclarations]: Found implementation of procedure SetBaudRate [2022-11-19 07:35:12,409 INFO L130 BoogieDeclarations]: Found specification of procedure Wr_Byte [2022-11-19 07:35:12,410 INFO L138 BoogieDeclarations]: Found implementation of procedure Wr_Byte [2022-11-19 07:35:12,410 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-19 07:35:12,410 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-19 07:35:12,410 INFO L130 BoogieDeclarations]: Found specification of procedure request_dma [2022-11-19 07:35:12,410 INFO L138 BoogieDeclarations]: Found implementation of procedure request_dma [2022-11-19 07:35:12,410 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-19 07:35:12,410 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-19 07:35:12,411 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_read_unlock [2022-11-19 07:35:12,411 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_read_unlock [2022-11-19 07:35:12,412 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:35:12,412 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reset_mac_header [2022-11-19 07:35:12,412 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reset_mac_header [2022-11-19 07:35:12,412 INFO L130 BoogieDeclarations]: Found specification of procedure via_ircc_net_open [2022-11-19 07:35:12,412 INFO L138 BoogieDeclarations]: Found implementation of procedure via_ircc_net_open [2022-11-19 07:35:12,412 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_to_linear_data [2022-11-19 07:35:12,412 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_to_linear_data [2022-11-19 07:35:12,412 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:35:12,413 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:35:13,544 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:35:13,548 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:35:14,079 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 07:35:21,849 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:35:23,654 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:35:23,654 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 07:35:23,662 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:23 BoogieIcfgContainer [2022-11-19 07:35:23,662 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:35:23,665 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:35:23,666 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:35:23,670 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:35:23,670 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:35:07" (1/3) ... [2022-11-19 07:35:23,671 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cb6a63c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:35:23, skipping insertion in model container [2022-11-19 07:35:23,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:35:11" (2/3) ... [2022-11-19 07:35:23,672 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1cb6a63c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:35:23, skipping insertion in model container [2022-11-19 07:35:23,672 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:35:23" (3/3) ... [2022-11-19 07:35:23,674 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--irda--via-ircc.ko-entry_point.cil.out.i [2022-11-19 07:35:23,703 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:35:23,704 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 07:35:23,875 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:35:23,889 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@390ac919, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:35:23,889 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 07:35:23,904 INFO L276 IsEmpty]: Start isEmpty. Operand has 1510 states, 810 states have (on average 1.2703703703703704) internal successors, (1029), 841 states have internal predecessors, (1029), 618 states have call successors, (618), 81 states have call predecessors, (618), 80 states have return successors, (611), 600 states have call predecessors, (611), 611 states have call successors, (611) [2022-11-19 07:35:23,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-11-19 07:35:23,947 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:35:23,949 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:35:23,949 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:35:23,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:35:23,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1815566008, now seen corresponding path program 1 times [2022-11-19 07:35:23,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:35:23,970 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735375655] [2022-11-19 07:35:23,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:35:23,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:35:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:35:25,598 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-11-19 07:35:25,599 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:35:25,599 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735375655] [2022-11-19 07:35:25,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735375655] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:35:25,600 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:35:25,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:35:25,603 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210979092] [2022-11-19 07:35:25,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:35:25,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:35:25,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:35:25,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:35:25,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:35:25,666 INFO L87 Difference]: Start difference. First operand has 1510 states, 810 states have (on average 1.2703703703703704) internal successors, (1029), 841 states have internal predecessors, (1029), 618 states have call successors, (618), 81 states have call predecessors, (618), 80 states have return successors, (611), 600 states have call predecessors, (611), 611 states have call successors, (611) Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-19 07:35:32,470 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:34,505 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:38,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:35:38,343 INFO L93 Difference]: Finished difference Result 4467 states and 6715 transitions. [2022-11-19 07:35:38,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 07:35:38,347 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 147 [2022-11-19 07:35:38,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:35:38,400 INFO L225 Difference]: With dead ends: 4467 [2022-11-19 07:35:38,401 INFO L226 Difference]: Without dead ends: 2955 [2022-11-19 07:35:38,423 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:35:38,427 INFO L413 NwaCegarLoop]: 2787 mSDtfsCounter, 2187 mSDsluCounter, 7625 mSDsCounter, 0 mSdLazyCounter, 733 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2191 SdHoareTripleChecker+Valid, 10412 SdHoareTripleChecker+Invalid, 738 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 733 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:35:38,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2191 Valid, 10412 Invalid, 738 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 733 Invalid, 2 Unknown, 0 Unchecked, 12.1s Time] [2022-11-19 07:35:38,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2955 states. [2022-11-19 07:35:38,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2955 to 2946. [2022-11-19 07:35:38,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2946 states, 1590 states have (on average 1.259748427672956) internal successors, (2003), 1634 states have internal predecessors, (2003), 1198 states have call successors, (1198), 158 states have call predecessors, (1198), 157 states have return successors, (1199), 1175 states have call predecessors, (1199), 1197 states have call successors, (1199) [2022-11-19 07:35:38,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2946 states to 2946 states and 4400 transitions. [2022-11-19 07:35:38,947 INFO L78 Accepts]: Start accepts. Automaton has 2946 states and 4400 transitions. Word has length 147 [2022-11-19 07:35:38,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:35:38,949 INFO L495 AbstractCegarLoop]: Abstraction has 2946 states and 4400 transitions. [2022-11-19 07:35:38,949 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 4 states have internal predecessors, (51), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-19 07:35:38,950 INFO L276 IsEmpty]: Start isEmpty. Operand 2946 states and 4400 transitions. [2022-11-19 07:35:38,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-11-19 07:35:38,979 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:35:38,980 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:35:38,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:35:38,981 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:35:38,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:35:38,982 INFO L85 PathProgramCache]: Analyzing trace with hash -1128195774, now seen corresponding path program 1 times [2022-11-19 07:35:38,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:35:38,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2144371997] [2022-11-19 07:35:38,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:35:38,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:35:39,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:35:39,808 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-11-19 07:35:39,808 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:35:39,809 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2144371997] [2022-11-19 07:35:39,809 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2144371997] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:35:39,809 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:35:39,809 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:35:39,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975240200] [2022-11-19 07:35:39,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:35:39,812 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:35:39,812 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:35:39,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:35:39,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:35:39,813 INFO L87 Difference]: Start difference. First operand 2946 states and 4400 transitions. Second operand has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-19 07:35:47,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:49,027 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:52,169 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:35:56,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:35:56,383 INFO L93 Difference]: Finished difference Result 5888 states and 8793 transitions. [2022-11-19 07:35:56,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 07:35:56,384 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 148 [2022-11-19 07:35:56,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:35:56,490 INFO L225 Difference]: With dead ends: 5888 [2022-11-19 07:35:56,491 INFO L226 Difference]: Without dead ends: 2960 [2022-11-19 07:35:56,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:35:56,548 INFO L413 NwaCegarLoop]: 2770 mSDtfsCounter, 2167 mSDsluCounter, 7575 mSDsCounter, 0 mSdLazyCounter, 725 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2171 SdHoareTripleChecker+Valid, 10345 SdHoareTripleChecker+Invalid, 731 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 725 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:35:56,549 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2171 Valid, 10345 Invalid, 731 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 725 Invalid, 3 Unknown, 0 Unchecked, 16.2s Time] [2022-11-19 07:35:56,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2960 states. [2022-11-19 07:35:56,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2960 to 2951. [2022-11-19 07:35:56,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2951 states, 1594 states have (on average 1.2590966122961105) internal successors, (2007), 1638 states have internal predecessors, (2007), 1198 states have call successors, (1198), 159 states have call predecessors, (1198), 158 states have return successors, (1199), 1175 states have call predecessors, (1199), 1197 states have call successors, (1199) [2022-11-19 07:35:56,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2951 states to 2951 states and 4404 transitions. [2022-11-19 07:35:56,930 INFO L78 Accepts]: Start accepts. Automaton has 2951 states and 4404 transitions. Word has length 148 [2022-11-19 07:35:56,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:35:56,933 INFO L495 AbstractCegarLoop]: Abstraction has 2951 states and 4404 transitions. [2022-11-19 07:35:56,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.4) internal successors, (52), 4 states have internal predecessors, (52), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-19 07:35:56,934 INFO L276 IsEmpty]: Start isEmpty. Operand 2951 states and 4404 transitions. [2022-11-19 07:35:56,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-11-19 07:35:56,945 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:35:56,946 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:35:56,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:35:56,946 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:35:56,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:35:56,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1748042399, now seen corresponding path program 1 times [2022-11-19 07:35:56,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:35:56,954 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [414176859] [2022-11-19 07:35:56,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:35:56,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:35:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:35:57,681 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-11-19 07:35:57,682 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:35:57,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [414176859] [2022-11-19 07:35:57,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [414176859] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:35:57,684 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:35:57,684 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:35:57,684 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457367129] [2022-11-19 07:35:57,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:35:57,685 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:35:57,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:35:57,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:35:57,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:35:57,687 INFO L87 Difference]: Start difference. First operand 2951 states and 4404 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-19 07:36:04,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:06,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:08,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:13,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:36:13,607 INFO L93 Difference]: Finished difference Result 7353 states and 10970 transitions. [2022-11-19 07:36:13,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 07:36:13,608 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) Word has length 146 [2022-11-19 07:36:13,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:36:13,652 INFO L225 Difference]: With dead ends: 7353 [2022-11-19 07:36:13,652 INFO L226 Difference]: Without dead ends: 4420 [2022-11-19 07:36:13,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:36:13,680 INFO L413 NwaCegarLoop]: 3076 mSDtfsCounter, 2171 mSDsluCounter, 8189 mSDsCounter, 0 mSdLazyCounter, 852 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2175 SdHoareTripleChecker+Valid, 11265 SdHoareTripleChecker+Invalid, 856 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 852 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:36:13,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2175 Valid, 11265 Invalid, 856 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 852 Invalid, 1 Unknown, 0 Unchecked, 15.5s Time] [2022-11-19 07:36:13,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4420 states. [2022-11-19 07:36:14,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4420 to 4392. [2022-11-19 07:36:14,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4392 states, 2372 states have (on average 1.2601180438448567) internal successors, (2989), 2440 states have internal predecessors, (2989), 1783 states have call successors, (1783), 237 states have call predecessors, (1783), 236 states have return successors, (1786), 1747 states have call predecessors, (1786), 1782 states have call successors, (1786) [2022-11-19 07:36:14,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4392 states to 4392 states and 6558 transitions. [2022-11-19 07:36:14,090 INFO L78 Accepts]: Start accepts. Automaton has 4392 states and 6558 transitions. Word has length 146 [2022-11-19 07:36:14,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:36:14,093 INFO L495 AbstractCegarLoop]: Abstraction has 4392 states and 6558 transitions. [2022-11-19 07:36:14,094 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 3 states have call successors, (23), 3 states have call predecessors, (23), 1 states have return successors, (19), 3 states have call predecessors, (19), 3 states have call successors, (19) [2022-11-19 07:36:14,094 INFO L276 IsEmpty]: Start isEmpty. Operand 4392 states and 6558 transitions. [2022-11-19 07:36:14,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-11-19 07:36:14,108 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:36:14,108 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:36:14,108 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:36:14,109 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:36:14,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:36:14,110 INFO L85 PathProgramCache]: Analyzing trace with hash 2122103754, now seen corresponding path program 1 times [2022-11-19 07:36:14,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:36:14,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133216423] [2022-11-19 07:36:14,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:36:14,111 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:36:14,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:36:14,777 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2022-11-19 07:36:14,777 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:36:14,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133216423] [2022-11-19 07:36:14,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133216423] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:36:14,778 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:36:14,778 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:36:14,779 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960378076] [2022-11-19 07:36:14,779 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:36:14,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:36:14,780 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:36:14,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:36:14,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:36:14,781 INFO L87 Difference]: Start difference. First operand 4392 states and 6558 transitions. Second operand has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-19 07:36:21,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:24,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:36:24,890 INFO L93 Difference]: Finished difference Result 8859 states and 13199 transitions. [2022-11-19 07:36:24,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 07:36:24,891 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) Word has length 165 [2022-11-19 07:36:24,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:36:24,942 INFO L225 Difference]: With dead ends: 8859 [2022-11-19 07:36:24,943 INFO L226 Difference]: Without dead ends: 4977 [2022-11-19 07:36:24,977 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-19 07:36:24,982 INFO L413 NwaCegarLoop]: 2692 mSDtfsCounter, 2018 mSDsluCounter, 7419 mSDsCounter, 0 mSdLazyCounter, 722 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2024 SdHoareTripleChecker+Valid, 10111 SdHoareTripleChecker+Invalid, 726 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 722 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:36:24,986 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2024 Valid, 10111 Invalid, 726 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 722 Invalid, 1 Unknown, 0 Unchecked, 9.7s Time] [2022-11-19 07:36:24,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4977 states. [2022-11-19 07:36:25,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4977 to 4958. [2022-11-19 07:36:25,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4958 states, 2606 states have (on average 1.2486569455103607) internal successors, (3254), 2676 states have internal predecessors, (3254), 2063 states have call successors, (2063), 289 states have call predecessors, (2063), 288 states have return successors, (2066), 2024 states have call predecessors, (2066), 2062 states have call successors, (2066) [2022-11-19 07:36:25,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4958 states to 4958 states and 7383 transitions. [2022-11-19 07:36:25,623 INFO L78 Accepts]: Start accepts. Automaton has 4958 states and 7383 transitions. Word has length 165 [2022-11-19 07:36:25,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:36:25,624 INFO L495 AbstractCegarLoop]: Abstraction has 4958 states and 7383 transitions. [2022-11-19 07:36:25,625 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.2) internal successors, (61), 4 states have internal predecessors, (61), 3 states have call successors, (25), 3 states have call predecessors, (25), 1 states have return successors, (21), 3 states have call predecessors, (21), 3 states have call successors, (21) [2022-11-19 07:36:25,626 INFO L276 IsEmpty]: Start isEmpty. Operand 4958 states and 7383 transitions. [2022-11-19 07:36:25,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2022-11-19 07:36:25,638 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:36:25,638 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:36:25,639 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:36:25,639 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:36:25,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:36:25,640 INFO L85 PathProgramCache]: Analyzing trace with hash -1320322971, now seen corresponding path program 1 times [2022-11-19 07:36:25,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:36:25,640 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221548099] [2022-11-19 07:36:25,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:36:25,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:36:25,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:36:26,543 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2022-11-19 07:36:26,543 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:36:26,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221548099] [2022-11-19 07:36:26,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221548099] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:36:26,544 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [278110525] [2022-11-19 07:36:26,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:36:26,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:36:26,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:36:26,551 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:36:26,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 07:36:28,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:36:28,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 3236 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 07:36:28,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:36:28,249 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-11-19 07:36:28,252 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:36:28,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [278110525] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:36:28,252 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:36:28,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-11-19 07:36:28,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465359832] [2022-11-19 07:36:28,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:36:28,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 07:36:28,256 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:36:28,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 07:36:28,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-19 07:36:28,258 INFO L87 Difference]: Start difference. First operand 4958 states and 7383 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 07:36:37,847 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:43,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:36:43,438 INFO L93 Difference]: Finished difference Result 10750 states and 16010 transitions. [2022-11-19 07:36:43,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-19 07:36:43,439 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 159 [2022-11-19 07:36:43,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:36:43,518 INFO L225 Difference]: With dead ends: 10750 [2022-11-19 07:36:43,519 INFO L226 Difference]: Without dead ends: 7361 [2022-11-19 07:36:43,551 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2022-11-19 07:36:43,552 INFO L413 NwaCegarLoop]: 3056 mSDtfsCounter, 2054 mSDsluCounter, 14268 mSDsCounter, 0 mSdLazyCounter, 1349 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2060 SdHoareTripleChecker+Valid, 17324 SdHoareTripleChecker+Invalid, 1352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1349 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 14.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:36:43,553 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2060 Valid, 17324 Invalid, 1352 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1349 Invalid, 1 Unknown, 0 Unchecked, 14.6s Time] [2022-11-19 07:36:43,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7361 states. [2022-11-19 07:36:44,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7361 to 7325. [2022-11-19 07:36:44,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7325 states, 3878 states have (on average 1.2550283651366685) internal successors, (4867), 3990 states have internal predecessors, (4867), 3019 states have call successors, (3019), 426 states have call predecessors, (3019), 427 states have return successors, (3035), 2955 states have call predecessors, (3035), 3018 states have call successors, (3035) [2022-11-19 07:36:44,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7325 states to 7325 states and 10921 transitions. [2022-11-19 07:36:44,194 INFO L78 Accepts]: Start accepts. Automaton has 7325 states and 10921 transitions. Word has length 159 [2022-11-19 07:36:44,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:36:44,195 INFO L495 AbstractCegarLoop]: Abstraction has 7325 states and 10921 transitions. [2022-11-19 07:36:44,195 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 07:36:44,195 INFO L276 IsEmpty]: Start isEmpty. Operand 7325 states and 10921 transitions. [2022-11-19 07:36:44,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-11-19 07:36:44,213 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:36:44,213 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:36:44,229 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:36:44,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:36:44,425 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:36:44,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:36:44,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1994769697, now seen corresponding path program 1 times [2022-11-19 07:36:44,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:36:44,426 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976639527] [2022-11-19 07:36:44,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:36:44,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:36:44,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:36:45,297 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-11-19 07:36:45,297 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:36:45,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976639527] [2022-11-19 07:36:45,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976639527] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:36:45,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [733781442] [2022-11-19 07:36:45,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:36:45,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:36:45,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:36:45,303 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:36:45,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 07:36:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:36:46,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 3238 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 07:36:46,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:36:46,647 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-11-19 07:36:46,647 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:36:46,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [733781442] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:36:46,648 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:36:46,648 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-19 07:36:46,648 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096847671] [2022-11-19 07:36:46,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:36:46,649 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 07:36:46,649 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:36:46,649 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 07:36:46,650 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-19 07:36:46,650 INFO L87 Difference]: Start difference. First operand 7325 states and 10921 transitions. Second operand has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 07:36:56,795 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:36:59,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:37:03,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:37:03,493 INFO L93 Difference]: Finished difference Result 15495 states and 23096 transitions. [2022-11-19 07:37:03,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-19 07:37:03,494 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 160 [2022-11-19 07:37:03,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:37:03,568 INFO L225 Difference]: With dead ends: 15495 [2022-11-19 07:37:03,568 INFO L226 Difference]: Without dead ends: 9739 [2022-11-19 07:37:03,607 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-19 07:37:03,608 INFO L413 NwaCegarLoop]: 3066 mSDtfsCounter, 2054 mSDsluCounter, 14296 mSDsCounter, 0 mSdLazyCounter, 1366 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 15.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2060 SdHoareTripleChecker+Valid, 17362 SdHoareTripleChecker+Invalid, 1369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1366 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:37:03,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2060 Valid, 17362 Invalid, 1369 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1366 Invalid, 1 Unknown, 0 Unchecked, 16.2s Time] [2022-11-19 07:37:03,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9739 states. [2022-11-19 07:37:04,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9739 to 9697. [2022-11-19 07:37:04,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9697 states, 5153 states have (on average 1.2581020764603144) internal successors, (6483), 5310 states have internal predecessors, (6483), 3975 states have call successors, (3975), 563 states have call predecessors, (3975), 568 states have return successors, (4007), 3885 states have call predecessors, (4007), 3974 states have call successors, (4007) [2022-11-19 07:37:04,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9697 states to 9697 states and 14465 transitions. [2022-11-19 07:37:04,468 INFO L78 Accepts]: Start accepts. Automaton has 9697 states and 14465 transitions. Word has length 160 [2022-11-19 07:37:04,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:37:04,470 INFO L495 AbstractCegarLoop]: Abstraction has 9697 states and 14465 transitions. [2022-11-19 07:37:04,470 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.857142857142858) internal successors, (62), 5 states have internal predecessors, (62), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 07:37:04,470 INFO L276 IsEmpty]: Start isEmpty. Operand 9697 states and 14465 transitions. [2022-11-19 07:37:04,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2022-11-19 07:37:04,491 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:37:04,491 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:37:04,511 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:37:04,702 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:37:04,703 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:37:04,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:37:04,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1785154516, now seen corresponding path program 1 times [2022-11-19 07:37:04,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:37:04,703 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [411828352] [2022-11-19 07:37:04,703 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:04,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:37:04,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:05,496 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-11-19 07:37:05,497 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:37:05,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [411828352] [2022-11-19 07:37:05,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [411828352] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:37:05,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1575865923] [2022-11-19 07:37:05,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:05,498 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:37:05,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:37:05,499 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:37:05,522 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 07:37:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:06,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 3240 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 07:37:06,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:37:06,737 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-11-19 07:37:06,742 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:37:06,742 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1575865923] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:37:06,742 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:37:06,743 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-19 07:37:06,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063240004] [2022-11-19 07:37:06,743 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:37:06,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 07:37:06,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:37:06,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 07:37:06,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-19 07:37:06,745 INFO L87 Difference]: Start difference. First operand 9697 states and 14465 transitions. Second operand has 7 states, 7 states have (on average 9.0) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 07:37:15,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:37:22,402 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:37:23,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:37:23,807 INFO L93 Difference]: Finished difference Result 20237 states and 30180 transitions. [2022-11-19 07:37:23,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-19 07:37:23,808 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 161 [2022-11-19 07:37:23,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:37:23,873 INFO L225 Difference]: With dead ends: 20237 [2022-11-19 07:37:23,873 INFO L226 Difference]: Without dead ends: 12109 [2022-11-19 07:37:23,921 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-19 07:37:23,922 INFO L413 NwaCegarLoop]: 3066 mSDtfsCounter, 2054 mSDsluCounter, 14296 mSDsCounter, 0 mSdLazyCounter, 1366 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2060 SdHoareTripleChecker+Valid, 17362 SdHoareTripleChecker+Invalid, 1369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1366 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:37:23,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2060 Valid, 17362 Invalid, 1369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1366 Invalid, 1 Unknown, 0 Unchecked, 16.4s Time] [2022-11-19 07:37:23,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12109 states. [2022-11-19 07:37:24,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12109 to 9698. [2022-11-19 07:37:24,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9698 states, 5154 states have (on average 1.2580519984478076) internal successors, (6484), 5310 states have internal predecessors, (6484), 3975 states have call successors, (3975), 563 states have call predecessors, (3975), 568 states have return successors, (4007), 3886 states have call predecessors, (4007), 3974 states have call successors, (4007) [2022-11-19 07:37:24,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9698 states to 9698 states and 14466 transitions. [2022-11-19 07:37:24,840 INFO L78 Accepts]: Start accepts. Automaton has 9698 states and 14466 transitions. Word has length 161 [2022-11-19 07:37:24,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:37:24,841 INFO L495 AbstractCegarLoop]: Abstraction has 9698 states and 14466 transitions. [2022-11-19 07:37:24,841 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.0) internal successors, (63), 5 states have internal predecessors, (63), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 07:37:24,841 INFO L276 IsEmpty]: Start isEmpty. Operand 9698 states and 14466 transitions. [2022-11-19 07:37:24,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2022-11-19 07:37:24,865 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:37:24,865 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:37:24,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-11-19 07:37:25,076 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:37:25,076 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:37:25,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:37:25,077 INFO L85 PathProgramCache]: Analyzing trace with hash 2122664648, now seen corresponding path program 1 times [2022-11-19 07:37:25,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:37:25,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [534983778] [2022-11-19 07:37:25,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:25,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:37:25,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:25,847 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-11-19 07:37:25,848 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:37:25,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [534983778] [2022-11-19 07:37:25,848 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [534983778] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:37:25,848 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1703325412] [2022-11-19 07:37:25,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:25,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:37:25,849 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:37:25,851 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:37:25,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-19 07:37:27,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:27,148 INFO L263 TraceCheckSpWp]: Trace formula consists of 3242 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 07:37:27,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:37:27,268 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2022-11-19 07:37:27,268 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:37:27,268 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1703325412] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:37:27,268 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 07:37:27,269 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-19 07:37:27,269 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127863335] [2022-11-19 07:37:27,269 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:37:27,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-19 07:37:27,270 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:37:27,270 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-19 07:37:27,270 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-19 07:37:27,270 INFO L87 Difference]: Start difference. First operand 9698 states and 14466 transitions. Second operand has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 07:37:38,480 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:37:42,673 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:37:48,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:37:48,245 INFO L93 Difference]: Finished difference Result 20879 states and 31132 transitions. [2022-11-19 07:37:48,246 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-19 07:37:48,246 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) Word has length 162 [2022-11-19 07:37:48,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:37:48,326 INFO L225 Difference]: With dead ends: 20879 [2022-11-19 07:37:48,326 INFO L226 Difference]: Without dead ends: 12750 [2022-11-19 07:37:48,375 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-19 07:37:48,375 INFO L413 NwaCegarLoop]: 3128 mSDtfsCounter, 2201 mSDsluCounter, 14544 mSDsCounter, 0 mSdLazyCounter, 1371 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 19.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2205 SdHoareTripleChecker+Valid, 17672 SdHoareTripleChecker+Invalid, 1374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1371 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:37:48,376 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2205 Valid, 17672 Invalid, 1374 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2 Valid, 1371 Invalid, 1 Unknown, 0 Unchecked, 20.2s Time] [2022-11-19 07:37:48,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12750 states. [2022-11-19 07:37:49,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12750 to 12684. [2022-11-19 07:37:49,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12684 states, 6721 states have (on average 1.2566582353816396) internal successors, (8446), 6922 states have internal predecessors, (8446), 5222 states have call successors, (5222), 734 states have call predecessors, (5222), 740 states have return successors, (5261), 5108 states have call predecessors, (5261), 5221 states have call successors, (5261) [2022-11-19 07:37:49,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12684 states to 12684 states and 18929 transitions. [2022-11-19 07:37:49,661 INFO L78 Accepts]: Start accepts. Automaton has 12684 states and 18929 transitions. Word has length 162 [2022-11-19 07:37:49,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:37:49,662 INFO L495 AbstractCegarLoop]: Abstraction has 12684 states and 18929 transitions. [2022-11-19 07:37:49,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.142857142857142) internal successors, (64), 5 states have internal predecessors, (64), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (20), 3 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 07:37:49,663 INFO L276 IsEmpty]: Start isEmpty. Operand 12684 states and 18929 transitions. [2022-11-19 07:37:49,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-11-19 07:37:49,810 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:37:49,810 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:37:49,827 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-19 07:37:50,023 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2022-11-19 07:37:50,024 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:37:50,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:37:50,025 INFO L85 PathProgramCache]: Analyzing trace with hash 1812521581, now seen corresponding path program 1 times [2022-11-19 07:37:50,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:37:50,025 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031954499] [2022-11-19 07:37:50,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:50,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:37:50,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:50,421 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2022-11-19 07:37:50,421 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:37:50,421 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031954499] [2022-11-19 07:37:50,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031954499] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:37:50,422 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:37:50,422 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:37:50,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885335626] [2022-11-19 07:37:50,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:37:50,424 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:37:50,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:37:50,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:37:50,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:37:50,426 INFO L87 Difference]: Start difference. First operand 12684 states and 18929 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-19 07:37:53,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:37:53,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:37:53,887 INFO L93 Difference]: Finished difference Result 24751 states and 36852 transitions. [2022-11-19 07:37:53,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:37:53,888 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 174 [2022-11-19 07:37:53,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:37:53,944 INFO L225 Difference]: With dead ends: 24751 [2022-11-19 07:37:53,944 INFO L226 Difference]: Without dead ends: 12085 [2022-11-19 07:37:54,008 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:37:54,009 INFO L413 NwaCegarLoop]: 1986 mSDtfsCounter, 2144 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 166 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2144 SdHoareTripleChecker+Valid, 1986 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 166 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:37:54,009 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2144 Valid, 1986 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 166 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2022-11-19 07:37:54,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12085 states. [2022-11-19 07:37:54,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12085 to 12085. [2022-11-19 07:37:54,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12085 states, 6351 states have (on average 1.2448433317587781) internal successors, (7906), 6543 states have internal predecessors, (7906), 5001 states have call successors, (5001), 726 states have call predecessors, (5001), 732 states have return successors, (5032), 4887 states have call predecessors, (5032), 5000 states have call successors, (5032) [2022-11-19 07:37:55,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12085 states to 12085 states and 17939 transitions. [2022-11-19 07:37:55,075 INFO L78 Accepts]: Start accepts. Automaton has 12085 states and 17939 transitions. Word has length 174 [2022-11-19 07:37:55,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:37:55,078 INFO L495 AbstractCegarLoop]: Abstraction has 12085 states and 17939 transitions. [2022-11-19 07:37:55,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-19 07:37:55,078 INFO L276 IsEmpty]: Start isEmpty. Operand 12085 states and 17939 transitions. [2022-11-19 07:37:55,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2022-11-19 07:37:55,115 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:37:55,115 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:37:55,116 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 07:37:55,116 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:37:55,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:37:55,117 INFO L85 PathProgramCache]: Analyzing trace with hash 887308293, now seen corresponding path program 1 times [2022-11-19 07:37:55,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:37:55,117 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243549217] [2022-11-19 07:37:55,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:37:55,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:37:55,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:37:55,401 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2022-11-19 07:37:55,402 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:37:55,402 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243549217] [2022-11-19 07:37:55,402 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243549217] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:37:55,402 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:37:55,402 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 07:37:55,403 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716096472] [2022-11-19 07:37:55,403 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:37:55,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:37:55,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:37:55,405 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:37:55,405 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:37:55,405 INFO L87 Difference]: Start difference. First operand 12085 states and 17939 transitions. Second operand has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-19 07:38:01,397 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-19 07:38:02,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:38:02,567 INFO L93 Difference]: Finished difference Result 30714 states and 45487 transitions. [2022-11-19 07:38:02,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:38:02,568 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 174 [2022-11-19 07:38:02,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:38:02,690 INFO L225 Difference]: With dead ends: 30714 [2022-11-19 07:38:02,691 INFO L226 Difference]: Without dead ends: 18647 [2022-11-19 07:38:02,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:38:02,778 INFO L413 NwaCegarLoop]: 2458 mSDtfsCounter, 1726 mSDsluCounter, 1929 mSDsCounter, 0 mSdLazyCounter, 343 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1726 SdHoareTripleChecker+Valid, 4387 SdHoareTripleChecker+Invalid, 350 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 343 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:38:02,779 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1726 Valid, 4387 Invalid, 350 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 343 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2022-11-19 07:38:02,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18647 states. [2022-11-19 07:38:04,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18647 to 18594. [2022-11-19 07:38:04,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18594 states, 9889 states have (on average 1.2447163515016686) internal successors, (12309), 10182 states have internal predecessors, (12309), 7556 states have call successors, (7556), 1135 states have call predecessors, (7556), 1148 states have return successors, (7647), 7388 states have call predecessors, (7647), 7555 states have call successors, (7647) [2022-11-19 07:38:04,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18594 states to 18594 states and 27512 transitions. [2022-11-19 07:38:04,456 INFO L78 Accepts]: Start accepts. Automaton has 18594 states and 27512 transitions. Word has length 174 [2022-11-19 07:38:04,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:38:04,457 INFO L495 AbstractCegarLoop]: Abstraction has 18594 states and 27512 transitions. [2022-11-19 07:38:04,457 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.666666666666668) internal successors, (71), 3 states have internal predecessors, (71), 2 states have call successors, (26), 2 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-19 07:38:04,457 INFO L276 IsEmpty]: Start isEmpty. Operand 18594 states and 27512 transitions. [2022-11-19 07:38:04,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-19 07:38:04,464 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:38:04,464 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:38:04,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-19 07:38:04,464 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 07:38:04,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:38:04,465 INFO L85 PathProgramCache]: Analyzing trace with hash -1993607213, now seen corresponding path program 1 times [2022-11-19 07:38:04,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:38:04,466 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115866500] [2022-11-19 07:38:04,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:38:04,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:38:04,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:38:05,342 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2022-11-19 07:38:05,343 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:38:05,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115866500] [2022-11-19 07:38:05,343 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115866500] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 07:38:05,343 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1526291800] [2022-11-19 07:38:05,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:38:05,344 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 07:38:05,344 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:38:05,345 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 07:38:05,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be0fa8b4-0faa-4763-a5ea-88bfaedf5e8a/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-19 07:38:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:38:07,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 3309 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-19 07:38:07,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:38:07,312 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2022-11-19 07:38:07,312 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 07:38:07,934 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2022-11-19 07:38:07,935 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1526291800] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 07:38:07,935 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [527557386] [2022-11-19 07:38:07,973 INFO L159 IcfgInterpreter]: Started Sifa with 92 locations of interest [2022-11-19 07:38:07,973 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 07:38:07,978 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 07:38:07,984 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 07:38:07,985 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 07:38:12,401 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-19 07:38:12,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-19 07:38:12,753 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-19 07:38:13,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:13,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:38:14,737 INFO L217 Elim1Store]: Index analysis took 1166 ms [2022-11-19 07:40:04,632 WARN L233 SmtUtils]: Spent 1.83m on a formula simplification. DAG size of input: 2950 DAG size of output: 1715 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:40:04,643 INFO L321 Elim1Store]: treesize reduction 5663, result has 34.1 percent of original size [2022-11-19 07:40:04,651 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 246 select indices, 246 select index equivalence classes, 30139 disjoint index pairs (out of 30135 index pairs), introduced 246 new quantified variables, introduced 246 case distinctions, treesize of input 1240 treesize of output 3680 [2022-11-19 07:40:10,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:10,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:40:14,552 INFO L217 Elim1Store]: Index analysis took 4766 ms [2022-11-19 07:43:04,552 WARN L233 SmtUtils]: Spent 2.83m on a formula simplification. DAG size of input: 3935 DAG size of output: 1967 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 07:43:04,559 INFO L321 Elim1Store]: treesize reduction 9332, result has 25.5 percent of original size [2022-11-19 07:43:04,566 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 249 select indices, 249 select index equivalence classes, 30385 disjoint index pairs (out of 30876 index pairs), introduced 249 new quantified variables, introduced 738 case distinctions, treesize of input 1259 treesize of output 3957 [2022-11-19 07:43:12,994 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-19 07:43:13,244 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-19 07:43:13,675 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-19 07:43:14,001 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 15 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 31 [2022-11-19 07:43:40,628 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 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 8 treesize of output 7 [2022-11-19 07:43:40,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 12 treesize of output 9 [2022-11-19 07:43:40,659 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-19 07:43:51,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:51,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:51,882 INFO L217 Elim1Store]: Index analysis took 125 ms [2022-11-19 07:43:51,948 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 249 select indices, 249 select index equivalence classes, 30876 disjoint index pairs (out of 30876 index pairs), introduced 249 new quantified variables, introduced 0 case distinctions, treesize of input 1246 treesize of output 748 [2022-11-19 07:43:54,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:54,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:54,490 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 248 select indices, 248 select index equivalence classes, 30630 disjoint index pairs (out of 30628 index pairs), introduced 248 new quantified variables, introduced 0 case distinctions, treesize of input 1241 treesize of output 745 [2022-11-19 07:43:56,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:43:56,514 INFO L217 Elim1Store]: Index analysis took 206 ms [2022-11-19 07:43:56,529 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 108 select indices, 108 select index equivalence classes, 1210 disjoint index pairs (out of 5778 index pairs), introduced 108 new quantified variables, introduced 0 case distinctions, treesize of input 853 treesize of output 325 [2022-11-19 07:44:26,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:26,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:26,905 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 249 select indices, 249 select index equivalence classes, 30876 disjoint index pairs (out of 30876 index pairs), introduced 249 new quantified variables, introduced 0 case distinctions, treesize of input 1246 treesize of output 748 [2022-11-19 07:44:29,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:29,237 INFO L217 Elim1Store]: Index analysis took 189 ms [2022-11-19 07:44:29,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 108 select indices, 108 select index equivalence classes, 1210 disjoint index pairs (out of 5778 index pairs), introduced 108 new quantified variables, introduced 0 case distinctions, treesize of input 853 treesize of output 325 [2022-11-19 07:44:30,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:30,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:44:30,845 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 248 select indices, 248 select index equivalence classes, 30630 disjoint index pairs (out of 30628 index pairs), introduced 248 new quantified variables, introduced 0 case distinctions, treesize of input 1241 treesize of output 745 [2022-11-19 07:44:49,822 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2022-11-19 07:44:50,042 INFO L350 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 6 treesize of output 4 [2022-11-19 07:44:50,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2022-11-19 07:44:58,965 INFO L350 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 6 treesize of output 4 [2022-11-19 07:44:59,805 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2022-11-19 07:45:00,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2022-11-19 07:45:16,489 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2022-11-19 07:45:17,280 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2022-11-19 07:45:17,616 INFO L350 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 6 treesize of output 4 [2022-11-19 07:45:26,454 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2022-11-19 07:45:26,936 INFO L350 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 6 treesize of output 4 [2022-11-19 07:45:27,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2022-11-19 07:47:48,443 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2022-11-19 07:47:48,765 INFO L350 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 6 treesize of output 4 [2022-11-19 07:47:49,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 5 treesize of output 3 [2022-11-19 07:47:52,442 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:47:52,480 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:47:52,583 WARN L207 Elim1Store]: Array PQE input equivalent to false