./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9264a082-d159-40f8-a08d-e82ed3daf69e/bin/utaipan-UbGMyvGFUs/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9264a082-d159-40f8-a08d-e82ed3daf69e/bin/utaipan-UbGMyvGFUs/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9264a082-d159-40f8-a08d-e82ed3daf69e/bin/utaipan-UbGMyvGFUs/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9264a082-d159-40f8-a08d-e82ed3daf69e/bin/utaipan-UbGMyvGFUs/config/TaipanReach.xml -i ../../sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9264a082-d159-40f8-a08d-e82ed3daf69e/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9264a082-d159-40f8-a08d-e82ed3daf69e/bin/utaipan-UbGMyvGFUs --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 7d18364cf74a7e83a7d0637d6dc5303d99591a287435332871b1650f13e39eb3 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 14:37:26,374 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 14:37:26,378 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 14:37:26,443 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 14:37:26,444 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 14:37:26,445 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 14:37:26,447 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 14:37:26,450 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 14:37:26,453 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 14:37:26,454 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 14:37:26,456 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 14:37:26,458 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 14:37:26,458 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 14:37:26,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 14:37:26,462 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 14:37:26,464 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 14:37:26,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 14:37:26,467 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 14:37:26,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 14:37:26,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 14:37:26,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 14:37:26,480 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 14:37:26,481 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 14:37:26,482 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 14:37:26,492 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 14:37:26,493 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 14:37:26,503 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 14:37:26,504 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 14:37:26,505 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 14:37:26,506 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 14:37:26,507 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 14:37:26,508 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 14:37:26,509 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 14:37:26,510 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 14:37:26,511 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 14:37:26,512 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 14:37:26,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 14:37:26,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 14:37:26,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 14:37:26,515 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 14:37:26,516 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 14:37:26,517 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9264a082-d159-40f8-a08d-e82ed3daf69e/bin/utaipan-UbGMyvGFUs/config/svcomp-Reach-32bit-Taipan_Default.epf [2021-11-19 14:37:26,553 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 14:37:26,554 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 14:37:26,555 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 14:37:26,556 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 14:37:26,556 INFO L138 SettingsManager]: * User list type=DISABLED [2021-11-19 14:37:26,558 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2021-11-19 14:37:26,559 INFO L138 SettingsManager]: * Explicit value domain=true [2021-11-19 14:37:26,560 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2021-11-19 14:37:26,567 INFO L138 SettingsManager]: * Octagon Domain=false [2021-11-19 14:37:26,568 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2021-11-19 14:37:26,569 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2021-11-19 14:37:26,569 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2021-11-19 14:37:26,569 INFO L138 SettingsManager]: * Interval Domain=false [2021-11-19 14:37:26,570 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2021-11-19 14:37:26,570 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2021-11-19 14:37:26,570 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2021-11-19 14:37:26,571 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 14:37:26,571 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-19 14:37:26,572 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 14:37:26,572 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-19 14:37:26,572 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 14:37:26,573 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 14:37:26,573 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 14:37:26,573 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 14:37:26,574 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-19 14:37:26,574 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-19 14:37:26,574 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 14:37:26,575 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 14:37:26,575 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 14:37:26,575 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 14:37:26,575 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 14:37:26,576 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:37:26,576 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 14:37:26,576 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 14:37:26,577 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 14:37:26,577 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2021-11-19 14:37:26,577 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 14:37:26,577 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 14:37:26,578 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 14:37:26,578 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-19 14:37:26,578 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9264a082-d159-40f8-a08d-e82ed3daf69e/bin/utaipan-UbGMyvGFUs/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9264a082-d159-40f8-a08d-e82ed3daf69e/bin/utaipan-UbGMyvGFUs Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7d18364cf74a7e83a7d0637d6dc5303d99591a287435332871b1650f13e39eb3 [2021-11-19 14:37:26,898 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 14:37:26,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 14:37:26,937 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 14:37:26,940 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 14:37:26,941 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 14:37:26,943 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9264a082-d159-40f8-a08d-e82ed3daf69e/bin/utaipan-UbGMyvGFUs/../../sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+cfa-reducer.c [2021-11-19 14:37:27,025 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9264a082-d159-40f8-a08d-e82ed3daf69e/bin/utaipan-UbGMyvGFUs/data/32fe3ecf3/044030a0d7904abca3e5a09477ae21e4/FLAG3eb3f3d23 [2021-11-19 14:37:27,595 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 14:37:27,599 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9264a082-d159-40f8-a08d-e82ed3daf69e/sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+cfa-reducer.c [2021-11-19 14:37:27,616 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9264a082-d159-40f8-a08d-e82ed3daf69e/bin/utaipan-UbGMyvGFUs/data/32fe3ecf3/044030a0d7904abca3e5a09477ae21e4/FLAG3eb3f3d23 [2021-11-19 14:37:27,897 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9264a082-d159-40f8-a08d-e82ed3daf69e/bin/utaipan-UbGMyvGFUs/data/32fe3ecf3/044030a0d7904abca3e5a09477ae21e4 [2021-11-19 14:37:27,900 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 14:37:27,902 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 14:37:27,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 14:37:27,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 14:37:27,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 14:37:27,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:37:27" (1/1) ... [2021-11-19 14:37:27,912 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bdfaea7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:37:27, skipping insertion in model container [2021-11-19 14:37:27,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:37:27" (1/1) ... [2021-11-19 14:37:27,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 14:37:27,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 14:37:28,224 WARN L230 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_9264a082-d159-40f8-a08d-e82ed3daf69e/sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+cfa-reducer.c[7920,7933] [2021-11-19 14:37:28,234 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:37:28,243 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 14:37:28,310 WARN L230 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_9264a082-d159-40f8-a08d-e82ed3daf69e/sv-benchmarks/c/loop-industry-pattern/aiob_4.c.v+cfa-reducer.c[7920,7933] [2021-11-19 14:37:28,315 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 14:37:28,330 INFO L208 MainTranslator]: Completed translation [2021-11-19 14:37:28,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:37:28 WrapperNode [2021-11-19 14:37:28,331 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 14:37:28,332 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 14:37:28,337 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 14:37:28,337 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 14:37:28,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:37:28" (1/1) ... [2021-11-19 14:37:28,388 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:37:28" (1/1) ... [2021-11-19 14:37:28,436 INFO L137 Inliner]: procedures = 17, calls = 199, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 358 [2021-11-19 14:37:28,436 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 14:37:28,437 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 14:37:28,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 14:37:28,438 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 14:37:28,447 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:37:28" (1/1) ... [2021-11-19 14:37:28,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:37:28" (1/1) ... [2021-11-19 14:37:28,456 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:37:28" (1/1) ... [2021-11-19 14:37:28,457 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:37:28" (1/1) ... [2021-11-19 14:37:28,490 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:37:28" (1/1) ... [2021-11-19 14:37:28,500 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:37:28" (1/1) ... [2021-11-19 14:37:28,510 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:37:28" (1/1) ... [2021-11-19 14:37:28,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 14:37:28,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 14:37:28,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 14:37:28,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 14:37:28,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:37:28" (1/1) ... [2021-11-19 14:37:28,540 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 14:37:28,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9264a082-d159-40f8-a08d-e82ed3daf69e/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:37:28,571 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9264a082-d159-40f8-a08d-e82ed3daf69e/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 14:37:28,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9264a082-d159-40f8-a08d-e82ed3daf69e/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 14:37:28,620 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-19 14:37:28,620 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2021-11-19 14:37:28,620 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-19 14:37:28,620 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-19 14:37:28,621 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-19 14:37:28,621 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 14:37:28,621 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 14:37:28,621 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-19 14:37:28,622 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-19 14:37:28,735 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 14:37:28,737 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 14:37:29,444 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 14:37:29,465 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 14:37:29,466 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-19 14:37:29,468 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:37:29 BoogieIcfgContainer [2021-11-19 14:37:29,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 14:37:29,471 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 14:37:29,471 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 14:37:29,475 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 14:37:29,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 02:37:27" (1/3) ... [2021-11-19 14:37:29,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c94d35f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:37:29, skipping insertion in model container [2021-11-19 14:37:29,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:37:28" (2/3) ... [2021-11-19 14:37:29,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c94d35f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 02:37:29, skipping insertion in model container [2021-11-19 14:37:29,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:37:29" (3/3) ... [2021-11-19 14:37:29,479 INFO L111 eAbstractionObserver]: Analyzing ICFG aiob_4.c.v+cfa-reducer.c [2021-11-19 14:37:29,486 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 14:37:29,486 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-19 14:37:29,544 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-19 14:37:29,553 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-19 14:37:29,553 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-19 14:37:29,569 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.625) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:37:29,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-19 14:37:29,575 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:37:29,576 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2021-11-19 14:37:29,577 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:37:29,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:37:29,583 INFO L85 PathProgramCache]: Analyzing trace with hash 1953555076, now seen corresponding path program 1 times [2021-11-19 14:37:29,593 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:37:29,594 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091651325] [2021-11-19 14:37:29,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:37:29,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:37:29,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:37:29,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:37:29,996 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:37:29,997 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091651325] [2021-11-19 14:37:29,998 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091651325] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-19 14:37:29,998 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-19 14:37:29,999 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-19 14:37:30,001 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743561166] [2021-11-19 14:37:30,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-19 14:37:30,008 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-19 14:37:30,009 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:37:30,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-19 14:37:30,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-19 14:37:30,078 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.625) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:37:30,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:37:30,206 INFO L93 Difference]: Finished difference Result 24 states and 28 transitions. [2021-11-19 14:37:30,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-19 14:37:30,209 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2021-11-19 14:37:30,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:37:30,218 INFO L225 Difference]: With dead ends: 24 [2021-11-19 14:37:30,219 INFO L226 Difference]: Without dead ends: 14 [2021-11-19 14:37:30,222 INFO L932 BasicCegarLoop]: 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 [2021-11-19 14:37:30,243 INFO L933 BasicCegarLoop]: 6 mSDtfsCounter, 14 mSDsluCounter, 18 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:37:30,244 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [14 Valid, 20 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:37:30,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2021-11-19 14:37:30,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 11. [2021-11-19 14:37:30,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:37:30,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2021-11-19 14:37:30,297 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 6 [2021-11-19 14:37:30,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:37:30,297 INFO L470 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2021-11-19 14:37:30,298 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:37:30,298 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2021-11-19 14:37:30,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-19 14:37:30,298 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:37:30,299 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2021-11-19 14:37:30,299 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-19 14:37:30,299 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:37:30,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:37:30,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1000383431, now seen corresponding path program 1 times [2021-11-19 14:37:30,301 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:37:30,301 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123529542] [2021-11-19 14:37:30,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:37:30,302 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:37:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:37:30,580 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:37:30,580 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:37:30,581 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123529542] [2021-11-19 14:37:30,581 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123529542] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 14:37:30,581 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [967077209] [2021-11-19 14:37:30,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:37:30,582 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:37:30,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9264a082-d159-40f8-a08d-e82ed3daf69e/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:37:30,598 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9264a082-d159-40f8-a08d-e82ed3daf69e/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:37:30,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9264a082-d159-40f8-a08d-e82ed3daf69e/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-19 14:37:30,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:37:30,775 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 19 conjunts are in the unsatisfiable core [2021-11-19 14:37:30,782 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:37:31,050 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:37:31,052 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:37:31,221 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:37:31,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [967077209] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:37:31,227 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1839768246] [2021-11-19 14:37:31,269 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-19 14:37:31,273 INFO L166 IcfgInterpreter]: Building call graph [2021-11-19 14:37:31,278 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-19 14:37:31,319 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-19 14:37:31,321 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-19 14:37:31,368 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:37:31,377 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:37:31,378 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:37:31,380 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:37:31,382 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:37:31,383 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:37:31,385 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-19 14:37:31,389 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-11-19 14:37:31,426 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_11|], 15=[|v_#valid_22|]} [2021-11-19 14:37:31,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:37:31,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:37:31,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:37:31,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:37:31,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:37:31,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:37:31,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2021-11-19 14:37:31,473 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:37:31,480 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-19 14:37:31,481 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:37:31,482 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-19 14:37:31,483 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 14:37:31,486 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:37:31,554 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:37:31,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:37:31,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:37:31,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:37:31,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:37:31,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:37:31,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:37:31,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 65 [2021-11-19 14:37:31,584 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:37:31,592 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-19 14:37:31,597 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:37:31,598 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-19 14:37:31,599 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 14:37:31,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:37:31,627 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:37:31,631 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:37:31,640 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-11-19 14:37:31,641 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-19 14:37:31,642 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:191, output treesize:184 [2021-11-19 14:37:31,720 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:37:31,729 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:37:31,730 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:37:31,731 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-19 14:37:31,733 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:37:31,734 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:37:31,736 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 370 [2021-11-19 14:37:31,738 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:37:31,739 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:37:31,740 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-19 14:37:31,741 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:37:31,742 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:37:31,743 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 370 [2021-11-19 14:37:31,788 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2113 [2021-11-19 14:37:31,937 INFO L446 ElimStorePlain]: Different costs {0=[|v_ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_94~0#1.offset_47|, |v_ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_94~0#1.base_47|], 13=[|v_#length_12|], 24=[|v_#valid_23|]} [2021-11-19 14:37:46,267 INFO L244 Elim1Store]: Index analysis took 14196 ms [2021-11-19 14:38:00,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 820 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 370 treesize of output 450 [2021-11-19 14:38:00,977 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:00,982 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 450 [2021-11-19 14:38:00,987 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:00,991 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 450 [2021-11-19 14:38:00,992 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 14:38:14,929 INFO L244 Elim1Store]: Index analysis took 13810 ms [2021-11-19 14:38:29,675 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 820 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 370 treesize of output 450 [2021-11-19 14:38:29,686 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:29,690 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 450 [2021-11-19 14:38:29,694 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:29,698 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 450 [2021-11-19 14:38:29,699 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 14:38:29,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:38:30,293 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:32,199 INFO L244 Elim1Store]: Index analysis took 1799 ms [2021-11-19 14:38:34,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 820 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 370 treesize of output 450 [2021-11-19 14:38:34,166 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:34,170 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 450 [2021-11-19 14:38:34,173 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:34,176 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 450 [2021-11-19 14:38:34,177 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-19 14:38:36,490 INFO L244 Elim1Store]: Index analysis took 2224 ms [2021-11-19 14:38:38,655 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 820 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 370 treesize of output 450 [2021-11-19 14:38:38,668 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:38,697 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 450 [2021-11-19 14:38:38,702 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:38,708 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 450 [2021-11-19 14:38:38,710 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-19 14:38:38,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:38:39,552 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:39,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:39,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:39,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:39,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:39,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:39,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:39,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:39,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:39,763 INFO L244 Elim1Store]: Index analysis took 134 ms [2021-11-19 14:38:39,819 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-19 14:38:39,819 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 25 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 62 [2021-11-19 14:38:39,821 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:39,825 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-19 14:38:39,826 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:39,827 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-19 14:38:39,828 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-19 14:38:39,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:39,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:39,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:39,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:39,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:39,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:39,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:39,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:39,968 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-19 14:38:39,968 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 25 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 62 [2021-11-19 14:38:39,969 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:39,974 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-19 14:38:39,975 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:39,975 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-19 14:38:39,976 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-19 14:38:39,977 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:38:40,576 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:40,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:40,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:40,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:40,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:40,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:40,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:40,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:40,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:40,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:40,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:40,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:40,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:40,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:40,734 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 73 [2021-11-19 14:38:40,735 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:40,741 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-19 14:38:40,742 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:40,742 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-19 14:38:40,743 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-19 14:38:40,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:40,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:40,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:40,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:40,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:40,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:40,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:40,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:40,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:40,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:40,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:40,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:40,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:40,833 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 73 [2021-11-19 14:38:40,835 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:40,840 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-19 14:38:40,841 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:40,841 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-19 14:38:40,842 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-11-19 14:38:40,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:38:41,354 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:41,657 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:41,875 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4507 [2021-11-19 14:38:41,883 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-11-19 14:38:41,884 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:4205, output treesize:4507 [2021-11-19 14:38:42,080 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:42,278 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4505 [2021-11-19 14:38:42,404 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:42,660 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4592 [2021-11-19 14:38:42,754 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:38:43,579 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:38:43,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:38:43,584 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:38:43,586 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:38:43,588 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:38:43,589 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:38:43,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:38:43,595 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:38:43,597 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:38:43,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:38:43,602 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:38:43,683 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:38:43,694 INFO L180 QuantifierPusher]: treesize reduction 42, result has 59.6 percent of original size [2021-11-19 14:38:43,698 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-19 14:38:43,704 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:43,711 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-19 14:38:43,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:38:43,744 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:38:43,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:38:43,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:38:43,749 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:38:43,750 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:38:43,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:38:43,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:38:43,769 INFO L180 QuantifierPusher]: treesize reduction 42, result has 58.4 percent of original size [2021-11-19 14:38:43,772 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-19 14:38:43,781 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:43,787 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-19 14:38:43,795 INFO L180 QuantifierPusher]: treesize reduction 42, result has 58.4 percent of original size [2021-11-19 14:38:43,798 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-19 14:38:43,806 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-19 14:38:44,640 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 14:38:44,640 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 14:38:44,641 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 13 [2021-11-19 14:38:44,641 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304877337] [2021-11-19 14:38:44,642 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 14:38:44,643 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2021-11-19 14:38:44,643 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:38:44,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-11-19 14:38:44,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2021-11-19 14:38:44,646 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand has 13 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:38:44,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:38:44,950 INFO L93 Difference]: Finished difference Result 28 states and 30 transitions. [2021-11-19 14:38:44,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-11-19 14:38:44,950 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2021-11-19 14:38:44,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:38:44,951 INFO L225 Difference]: With dead ends: 28 [2021-11-19 14:38:44,952 INFO L226 Difference]: Without dead ends: 26 [2021-11-19 14:38:44,953 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=155, Invalid=547, Unknown=0, NotChecked=0, Total=702 [2021-11-19 14:38:44,954 INFO L933 BasicCegarLoop]: 3 mSDtfsCounter, 28 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-19 14:38:44,954 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [28 Valid, 24 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-19 14:38:44,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2021-11-19 14:38:44,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 23. [2021-11-19 14:38:44,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 22 states have (on average 1.0454545454545454) internal successors, (23), 22 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:38:44,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2021-11-19 14:38:44,961 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 10 [2021-11-19 14:38:44,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:38:44,962 INFO L470 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2021-11-19 14:38:44,962 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 1.5384615384615385) internal successors, (20), 13 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:38:44,962 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2021-11-19 14:38:44,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-11-19 14:38:44,963 INFO L506 BasicCegarLoop]: Found error trace [2021-11-19 14:38:44,964 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 1, 1, 1, 1] [2021-11-19 14:38:45,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9264a082-d159-40f8-a08d-e82ed3daf69e/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-19 14:38:45,177 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9264a082-d159-40f8-a08d-e82ed3daf69e/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:38:45,177 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-19 14:38:45,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-19 14:38:45,178 INFO L85 PathProgramCache]: Analyzing trace with hash -1319055728, now seen corresponding path program 2 times [2021-11-19 14:38:45,178 INFO L121 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2021-11-19 14:38:45,178 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883817407] [2021-11-19 14:38:45,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-19 14:38:45,178 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-19 14:38:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-19 14:38:45,476 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-19 14:38:45,477 INFO L139 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2021-11-19 14:38:45,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883817407] [2021-11-19 14:38:45,477 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883817407] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-19 14:38:45,477 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [506827802] [2021-11-19 14:38:45,477 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2021-11-19 14:38:45,477 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:38:45,478 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9264a082-d159-40f8-a08d-e82ed3daf69e/bin/utaipan-UbGMyvGFUs/z3 [2021-11-19 14:38:45,478 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9264a082-d159-40f8-a08d-e82ed3daf69e/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-19 14:38:45,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9264a082-d159-40f8-a08d-e82ed3daf69e/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-19 14:38:45,798 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-11-19 14:38:45,798 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-11-19 14:38:45,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 34 conjunts are in the unsatisfiable core [2021-11-19 14:38:45,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-19 14:38:46,008 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:46,009 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 23 treesize of output 23 [2021-11-19 14:38:46,233 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-11-19 14:38:46,234 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-19 14:38:47,316 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-19 14:38:47,317 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [506827802] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-19 14:38:47,317 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [615017891] [2021-11-19 14:38:47,320 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2021-11-19 14:38:47,320 INFO L166 IcfgInterpreter]: Building call graph [2021-11-19 14:38:47,321 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2021-11-19 14:38:47,321 INFO L176 IcfgInterpreter]: Starting interpretation [2021-11-19 14:38:47,321 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2021-11-19 14:38:47,329 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:47,344 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:38:47,345 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:47,346 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-11-19 14:38:47,347 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:38:47,348 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:47,349 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-11-19 14:38:47,351 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 195 [2021-11-19 14:38:47,355 INFO L446 ElimStorePlain]: Different costs {6=[|v_#length_14|], 15=[|v_#valid_25|]} [2021-11-19 14:38:47,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:47,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:47,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:47,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:47,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:47,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:47,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 22 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 54 [2021-11-19 14:38:47,373 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:47,375 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-19 14:38:47,376 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:47,377 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 36 [2021-11-19 14:38:47,378 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 14:38:47,378 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:38:47,388 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:47,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:47,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:47,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:47,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:47,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:47,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:38:47,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 65 [2021-11-19 14:38:47,405 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:47,409 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-19 14:38:47,410 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:47,410 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-19 14:38:47,411 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 14:38:47,412 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:38:47,421 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:47,424 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:47,427 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 184 [2021-11-19 14:38:47,428 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-11-19 14:38:47,428 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:191, output treesize:184 [2021-11-19 14:38:47,484 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:47,486 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:38:47,487 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:47,489 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 370 [2021-11-19 14:38:47,490 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:38:47,491 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:47,491 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 52 [2021-11-19 14:38:47,492 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:38:47,493 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:47,494 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 370 [2021-11-19 14:38:47,495 WARN L197 QuantifierPusher]: Ignoring assumption. [2021-11-19 14:38:47,495 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:38:47,496 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 42 [2021-11-19 14:38:47,543 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 2113 [2021-11-19 14:38:47,600 INFO L446 ElimStorePlain]: Different costs {0=[|v_ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_94~0#1.offset_49|, |v_ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_94~0#1.base_49|], 13=[|v_#length_15|], 24=[|v_#valid_26|]} [2021-11-19 14:39:01,118 INFO L244 Elim1Store]: Index analysis took 13404 ms [2021-11-19 14:39:15,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 820 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 370 treesize of output 450 [2021-11-19 14:39:15,179 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:39:15,182 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 450 [2021-11-19 14:39:15,186 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:39:15,189 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 450 [2021-11-19 14:39:15,190 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-11-19 14:39:28,577 INFO L244 Elim1Store]: Index analysis took 13284 ms [2021-11-19 14:39:42,264 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 820 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 370 treesize of output 450 [2021-11-19 14:39:42,266 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:39:42,269 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 450 [2021-11-19 14:39:42,279 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:39:42,282 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 450 [2021-11-19 14:39:42,283 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-11-19 14:39:42,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:39:42,818 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:39:45,115 INFO L244 Elim1Store]: Index analysis took 2206 ms [2021-11-19 14:39:46,939 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 820 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 370 treesize of output 450 [2021-11-19 14:39:46,951 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:39:46,956 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 450 [2021-11-19 14:39:46,958 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:39:46,961 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 450 [2021-11-19 14:39:46,962 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-11-19 14:39:48,937 INFO L244 Elim1Store]: Index analysis took 1892 ms [2021-11-19 14:39:50,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 820 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 370 treesize of output 450 [2021-11-19 14:39:50,932 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:39:50,935 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 450 [2021-11-19 14:39:50,937 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:39:50,940 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 450 [2021-11-19 14:39:50,941 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-11-19 14:39:50,942 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:39:51,354 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:39:51,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:51,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:51,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:51,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:51,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:51,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:51,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:51,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:51,440 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-19 14:39:51,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 25 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 62 [2021-11-19 14:39:51,441 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:39:51,444 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-19 14:39:51,445 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:39:51,446 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-19 14:39:51,446 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-11-19 14:39:51,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:51,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:51,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:51,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:51,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:51,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:51,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:51,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:51,533 INFO L354 Elim1Store]: treesize reduction 40, result has 2.4 percent of original size [2021-11-19 14:39:51,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 25 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 62 [2021-11-19 14:39:51,534 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:39:51,537 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-19 14:39:51,538 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:39:51,538 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 41 [2021-11-19 14:39:51,539 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-11-19 14:39:51,544 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:39:51,868 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:39:51,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:51,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:51,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:51,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:51,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:51,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:51,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:51,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:51,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:51,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:51,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:51,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:51,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:51,972 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 73 [2021-11-19 14:39:51,973 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:39:51,976 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-19 14:39:51,977 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:39:51,977 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-19 14:39:51,978 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-11-19 14:39:52,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:52,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:52,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:52,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:52,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:52,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:52,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:52,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:52,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:52,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:52,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:52,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:52,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-11-19 14:39:52,031 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 73 [2021-11-19 14:39:52,032 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:39:52,035 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-19 14:39:52,035 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:39:52,036 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 46 [2021-11-19 14:39:52,037 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-11-19 14:39:52,038 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:39:52,359 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:39:52,455 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:39:52,583 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4507 [2021-11-19 14:39:52,590 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-11-19 14:39:52,591 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 4 variables, input treesize:4205, output treesize:4507 [2021-11-19 14:39:52,684 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:39:52,796 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4505 [2021-11-19 14:39:52,872 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:39:53,011 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4586 [2021-11-19 14:39:53,078 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:39:53,708 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:39:53,710 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:39:53,711 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:39:53,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:39:53,713 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:39:53,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:39:53,715 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:39:53,717 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:39:53,718 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:39:53,720 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:39:53,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:39:53,751 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:39:53,758 INFO L180 QuantifierPusher]: treesize reduction 42, result has 59.6 percent of original size [2021-11-19 14:39:53,760 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-19 14:39:53,763 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:39:53,765 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 136 [2021-11-19 14:39:53,769 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:39:53,778 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:39:53,779 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:39:53,780 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:39:53,781 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:39:53,782 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:39:53,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:39:53,787 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-11-19 14:39:53,793 INFO L180 QuantifierPusher]: treesize reduction 42, result has 58.4 percent of original size [2021-11-19 14:39:53,795 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-19 14:39:53,801 INFO L180 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-11-19 14:39:53,804 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 138 [2021-11-19 14:39:53,811 INFO L180 QuantifierPusher]: treesize reduction 42, result has 58.4 percent of original size [2021-11-19 14:39:53,813 INFO L185 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 55 [2021-11-19 14:39:53,819 INFO L180 IcfgInterpreter]: Interpretation finished [2021-11-19 14:39:54,714 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unknown [2021-11-19 14:39:54,714 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-19 14:39:54,714 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 9] total 24 [2021-11-19 14:39:54,714 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052980463] [2021-11-19 14:39:54,715 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-19 14:39:54,715 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2021-11-19 14:39:54,715 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2021-11-19 14:39:54,716 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-11-19 14:39:54,717 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=738, Unknown=0, NotChecked=0, Total=870 [2021-11-19 14:39:54,717 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand has 24 states, 24 states have (on average 1.9166666666666667) internal successors, (46), 24 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:39:55,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-19 14:39:55,638 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2021-11-19 14:39:55,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-11-19 14:39:55,639 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 24 states have (on average 1.9166666666666667) internal successors, (46), 24 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2021-11-19 14:39:55,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-19 14:39:55,639 INFO L225 Difference]: With dead ends: 31 [2021-11-19 14:39:55,640 INFO L226 Difference]: Without dead ends: 0 [2021-11-19 14:39:55,641 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 381 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=400, Invalid=1580, Unknown=0, NotChecked=0, Total=1980 [2021-11-19 14:39:55,642 INFO L933 BasicCegarLoop]: 1 mSDtfsCounter, 45 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 154 mSolverCounterSat, 106 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 261 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 106 IncrementalHoareTripleChecker+Valid, 154 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 1 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-19 14:39:55,642 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [45 Valid, 4 Invalid, 261 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [106 Valid, 154 Invalid, 0 Unknown, 1 Unchecked, 0.3s Time] [2021-11-19 14:39:55,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-19 14:39:55,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-19 14:39:55,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:39:55,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-19 14:39:55,644 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 22 [2021-11-19 14:39:55,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-19 14:39:55,644 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-19 14:39:55,644 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 24 states have (on average 1.9166666666666667) internal successors, (46), 24 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-19 14:39:55,644 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-19 14:39:55,645 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-19 14:39:55,647 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-11-19 14:39:55,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9264a082-d159-40f8-a08d-e82ed3daf69e/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2021-11-19 14:39:55,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9264a082-d159-40f8-a08d-e82ed3daf69e/bin/utaipan-UbGMyvGFUs/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-19 14:39:55,850 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-19 14:39:56,055 INFO L858 garLoopResultBuilder]: For program point L161(lines 161 224) no Hoare annotation was computed. [2021-11-19 14:39:56,055 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-19 14:39:56,055 INFO L861 garLoopResultBuilder]: At program point L221(lines 133 225) the Hoare annotation is: true [2021-11-19 14:39:56,055 INFO L854 garLoopResultBuilder]: At program point L180(lines 180 222) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_96~0#1| ~Id_MCDC_93~0)) (.cse2 (= (select (select |#memory_int| |ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0#1.base|) (+ |ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0#1.offset| 492)) 0))) (or (let ((.cse0 (mod (+ |ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_96~0#1| 4294967295) 4294967296))) (and (= |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~0#1| 1) (< .cse0 42) .cse1 .cse2 (not (= (* 12 .cse0) 492)))) (and .cse1 .cse2 (= ~Id_MCDC_93~0 0)))) [2021-11-19 14:39:56,056 INFO L858 garLoopResultBuilder]: For program point L199(lines 199 209) no Hoare annotation was computed. [2021-11-19 14:39:56,056 INFO L858 garLoopResultBuilder]: For program point L193(line 193) no Hoare annotation was computed. [2021-11-19 14:39:56,056 INFO L858 garLoopResultBuilder]: For program point L191(lines 191 210) no Hoare annotation was computed. [2021-11-19 14:39:56,056 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-19 14:39:56,056 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2021-11-19 14:39:56,056 INFO L854 garLoopResultBuilder]: At program point L204(lines 167 223) the Hoare annotation is: (let ((.cse2 (= |ULTIMATE.start_main_~__VERIFIER_assert__Id_MCDC_92~0#1| 1)) (.cse0 (= (select (select |#memory_int| |ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0#1.base|) (+ |ULTIMATE.start_main_~#Id_MCDC_89__Id_MCDC_95~0#1.offset| 492)) 0))) (or (and (= |ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_96~0#1| 0) .cse0 (= ~Id_MCDC_93~0 0)) (let ((.cse1 (mod (+ ~Id_MCDC_93~0 4294967295) 4294967296)) (.cse3 (mod (+ |ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_96~0#1| 4294967295) 4294967296))) (and (not (= (* 12 .cse1) 492)) .cse2 (< .cse1 42) (< .cse3 42) .cse0 (not (= (* 12 .cse3) 492)))) (and (<= |ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_96~0#1| 1) .cse2 (< 0 (+ (div ~Id_MCDC_93~0 4294967296) 1)) (<= 1 |ULTIMATE.start_main_~Id_MCDC_89__Id_MCDC_96~0#1|) (<= ~Id_MCDC_93~0 1) .cse0))) [2021-11-19 14:39:56,059 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1] [2021-11-19 14:39:56,061 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-19 14:39:56,078 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 02:39:56 BoogieIcfgContainer [2021-11-19 14:39:56,078 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 14:39:56,078 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 14:39:56,078 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 14:39:56,079 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 14:39:56,079 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:37:29" (3/4) ... [2021-11-19 14:39:56,087 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-19 14:39:56,107 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-11-19 14:39:56,108 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-11-19 14:39:56,109 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-19 14:39:56,110 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-19 14:39:56,111 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-19 14:39:56,385 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9264a082-d159-40f8-a08d-e82ed3daf69e/bin/utaipan-UbGMyvGFUs/witness.graphml [2021-11-19 14:39:56,385 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 14:39:56,386 INFO L158 Benchmark]: Toolchain (without parser) took 148483.48ms. Allocated memory was 115.3MB in the beginning and 169.9MB in the end (delta: 54.5MB). Free memory was 75.9MB in the beginning and 100.5MB in the end (delta: -24.6MB). Peak memory consumption was 90.9MB. Max. memory is 16.1GB. [2021-11-19 14:39:56,386 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 115.3MB. Free memory is still 93.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 14:39:56,386 INFO L158 Benchmark]: CACSL2BoogieTranslator took 427.12ms. Allocated memory is still 115.3MB. Free memory was 75.8MB in the beginning and 85.3MB in the end (delta: -9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-19 14:39:56,386 INFO L158 Benchmark]: Boogie Procedure Inliner took 104.21ms. Allocated memory is still 115.3MB. Free memory was 85.3MB in the beginning and 81.8MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 14:39:56,387 INFO L158 Benchmark]: Boogie Preprocessor took 84.57ms. Allocated memory is still 115.3MB. Free memory was 81.8MB in the beginning and 79.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-19 14:39:56,387 INFO L158 Benchmark]: RCFGBuilder took 946.15ms. Allocated memory is still 115.3MB. Free memory was 79.0MB in the beginning and 67.9MB in the end (delta: 11.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2021-11-19 14:39:56,387 INFO L158 Benchmark]: TraceAbstraction took 146607.16ms. Allocated memory was 115.3MB in the beginning and 169.9MB in the end (delta: 54.5MB). Free memory was 67.3MB in the beginning and 65.9MB in the end (delta: 1.4MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. [2021-11-19 14:39:56,388 INFO L158 Benchmark]: Witness Printer took 306.74ms. Allocated memory is still 169.9MB. Free memory was 65.9MB in the beginning and 100.5MB in the end (delta: -34.6MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2021-11-19 14:39:56,389 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 115.3MB. Free memory is still 93.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 427.12ms. Allocated memory is still 115.3MB. Free memory was 75.8MB in the beginning and 85.3MB in the end (delta: -9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 104.21ms. Allocated memory is still 115.3MB. Free memory was 85.3MB in the beginning and 81.8MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 84.57ms. Allocated memory is still 115.3MB. Free memory was 81.8MB in the beginning and 79.0MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 946.15ms. Allocated memory is still 115.3MB. Free memory was 79.0MB in the beginning and 67.9MB in the end (delta: 11.1MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. * TraceAbstraction took 146607.16ms. Allocated memory was 115.3MB in the beginning and 169.9MB in the end (delta: 54.5MB). Free memory was 67.3MB in the beginning and 65.9MB in the end (delta: 1.4MB). Peak memory consumption was 56.6MB. Max. memory is 16.1GB. * Witness Printer took 306.74ms. Allocated memory is still 169.9MB. Free memory was 65.9MB in the beginning and 100.5MB in the end (delta: -34.6MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 193]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 146.5s, OverallIterations: 3, TraceHistogramMax: 5, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 87 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 87 mSDsluCounter, 48 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 1 IncrementalHoareTripleChecker+Unchecked, 43 mSDsCounter, 155 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 231 IncrementalHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 155 mSolverCounterUnsat, 10 mSDtfsCounter, 231 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 142 GetRequests, 67 SyntacticMatches, 1 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 530 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=23occurred in iteration=2, InterpolantAutomatonStates: 39, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 18 NumberOfFragments, 144 HoareAnnotationTreeSize, 3 FomulaSimplifications, 81 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 398 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 2.6s InterpolantComputationTime, 70 NumberOfCodeBlocks, 62 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 95 ConstructedInterpolants, 13 QuantifiedInterpolants, 1114 SizeOfPredicates, 27 NumberOfNonLiveVariables, 765 ConjunctsInSsa, 53 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 33/117 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 133]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 180]: Loop Invariant Derived loop invariant: ((((__VERIFIER_assert__Id_MCDC_92 == 1 && (Id_MCDC_89__Id_MCDC_96 + 4294967295) % 4294967296 < 42) && Id_MCDC_89__Id_MCDC_96 == Id_MCDC_93) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0) && !(12 * ((Id_MCDC_89__Id_MCDC_96 + 4294967295) % 4294967296) == 492)) || ((Id_MCDC_89__Id_MCDC_96 == Id_MCDC_93 && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0) && Id_MCDC_93 == 0) - InvariantResult [Line: 167]: Loop Invariant Derived loop invariant: (((Id_MCDC_89__Id_MCDC_96 == 0 && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0) && Id_MCDC_93 == 0) || (((((!(12 * ((Id_MCDC_93 + 4294967295) % 4294967296) == 492) && __VERIFIER_assert__Id_MCDC_92 == 1) && (Id_MCDC_93 + 4294967295) % 4294967296 < 42) && (Id_MCDC_89__Id_MCDC_96 + 4294967295) % 4294967296 < 42) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0) && !(12 * ((Id_MCDC_89__Id_MCDC_96 + 4294967295) % 4294967296) == 492))) || (((((Id_MCDC_89__Id_MCDC_96 <= 1 && __VERIFIER_assert__Id_MCDC_92 == 1) && 0 < Id_MCDC_93 / 4294967296 + 1) && 1 <= Id_MCDC_89__Id_MCDC_96) && Id_MCDC_93 <= 1) && unknown-#memory_int-unknown[Id_MCDC_89__Id_MCDC_95][Id_MCDC_89__Id_MCDC_95 + 492] == 0) RESULT: Ultimate proved your program to be correct! [2021-11-19 14:39:56,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9264a082-d159-40f8-a08d-e82ed3daf69e/bin/utaipan-UbGMyvGFUs/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE