./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-multidimensional/diff-2-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-multidimensional/diff-2-n-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash cb0d07e46dc94102f1a204dcfe0d8cca3d45653b0db7cea07d03c16ba8563271 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-14 16:08:05,469 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 16:08:05,472 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 16:08:05,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 16:08:05,487 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 16:08:05,488 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 16:08:05,488 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 16:08:05,490 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 16:08:05,491 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 16:08:05,491 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 16:08:05,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 16:08:05,493 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 16:08:05,493 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 16:08:05,494 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 16:08:05,495 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 16:08:05,495 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 16:08:05,496 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 16:08:05,497 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 16:08:05,498 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 16:08:05,499 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 16:08:05,500 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 16:08:05,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 16:08:05,503 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 16:08:05,504 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 16:08:05,508 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 16:08:05,509 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 16:08:05,509 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 16:08:05,509 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 16:08:05,510 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 16:08:05,510 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 16:08:05,510 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 16:08:05,511 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 16:08:05,511 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 16:08:05,512 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 16:08:05,513 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 16:08:05,513 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 16:08:05,513 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 16:08:05,513 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 16:08:05,514 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 16:08:05,514 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 16:08:05,515 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 16:08:05,515 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-12-14 16:08:05,531 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 16:08:05,531 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 16:08:05,532 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-14 16:08:05,532 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-14 16:08:05,532 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 16:08:05,532 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-14 16:08:05,533 INFO L138 SettingsManager]: * User list type=DISABLED [2022-12-14 16:08:05,533 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-12-14 16:08:05,533 INFO L138 SettingsManager]: * Explicit value domain=true [2022-12-14 16:08:05,533 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-12-14 16:08:05,533 INFO L138 SettingsManager]: * Octagon Domain=false [2022-12-14 16:08:05,533 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-12-14 16:08:05,533 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-12-14 16:08:05,533 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-12-14 16:08:05,533 INFO L138 SettingsManager]: * Interval Domain=false [2022-12-14 16:08:05,534 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-12-14 16:08:05,534 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-12-14 16:08:05,534 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-12-14 16:08:05,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 16:08:05,534 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 16:08:05,535 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-14 16:08:05,535 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 16:08:05,535 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 16:08:05,535 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 16:08:05,535 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 16:08:05,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 16:08:05,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 16:08:05,535 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-14 16:08:05,535 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 16:08:05,536 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 16:08:05,536 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 16:08:05,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 16:08:05,536 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 16:08:05,536 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-14 16:08:05,536 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 16:08:05,536 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 16:08:05,536 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-12-14 16:08:05,537 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 16:08:05,537 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 16:08:05,537 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-12-14 16:08:05,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 16:08:05,537 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 16:08:05,537 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-12-14 16:08:05,537 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb0d07e46dc94102f1a204dcfe0d8cca3d45653b0db7cea07d03c16ba8563271 [2022-12-14 16:08:05,703 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 16:08:05,723 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 16:08:05,725 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 16:08:05,727 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 16:08:05,727 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 16:08:05,728 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/../../sv-benchmarks/c/array-multidimensional/diff-2-n-u.c [2022-12-14 16:08:08,344 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 16:08:08,472 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 16:08:08,472 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/sv-benchmarks/c/array-multidimensional/diff-2-n-u.c [2022-12-14 16:08:08,476 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/data/7c41b6991/a9e0f984d240438ca5e70e124b93029d/FLAG846b1153d [2022-12-14 16:08:08,487 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/data/7c41b6991/a9e0f984d240438ca5e70e124b93029d [2022-12-14 16:08:08,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 16:08:08,490 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 16:08:08,491 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 16:08:08,491 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 16:08:08,494 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 16:08:08,495 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:08:08" (1/1) ... [2022-12-14 16:08:08,496 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@495bca90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:08, skipping insertion in model container [2022-12-14 16:08:08,496 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 04:08:08" (1/1) ... [2022-12-14 16:08:08,502 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 16:08:08,513 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 16:08:08,611 WARN L237 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_6c239b11-9299-4761-844c-575fa5bfa834/sv-benchmarks/c/array-multidimensional/diff-2-n-u.c[322,335] [2022-12-14 16:08:08,625 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:08:08,632 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 16:08:08,641 WARN L237 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_6c239b11-9299-4761-844c-575fa5bfa834/sv-benchmarks/c/array-multidimensional/diff-2-n-u.c[322,335] [2022-12-14 16:08:08,648 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 16:08:08,658 INFO L208 MainTranslator]: Completed translation [2022-12-14 16:08:08,659 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:08 WrapperNode [2022-12-14 16:08:08,659 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 16:08:08,660 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 16:08:08,660 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 16:08:08,660 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 16:08:08,665 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:08" (1/1) ... [2022-12-14 16:08:08,670 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:08" (1/1) ... [2022-12-14 16:08:08,685 INFO L138 Inliner]: procedures = 14, calls = 27, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 125 [2022-12-14 16:08:08,686 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 16:08:08,686 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 16:08:08,686 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 16:08:08,686 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 16:08:08,694 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:08" (1/1) ... [2022-12-14 16:08:08,694 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:08" (1/1) ... [2022-12-14 16:08:08,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:08" (1/1) ... [2022-12-14 16:08:08,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:08" (1/1) ... [2022-12-14 16:08:08,699 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:08" (1/1) ... [2022-12-14 16:08:08,702 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:08" (1/1) ... [2022-12-14 16:08:08,703 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:08" (1/1) ... [2022-12-14 16:08:08,704 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:08" (1/1) ... [2022-12-14 16:08:08,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 16:08:08,706 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 16:08:08,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 16:08:08,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 16:08:08,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:08" (1/1) ... [2022-12-14 16:08:08,711 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-14 16:08:08,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:08:08,729 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-14 16:08:08,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-14 16:08:08,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 16:08:08,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 16:08:08,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-14 16:08:08,764 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-14 16:08:08,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 16:08:08,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 16:08:08,764 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-14 16:08:08,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-14 16:08:08,815 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 16:08:08,816 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 16:08:08,974 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 16:08:09,009 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 16:08:09,010 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-12-14 16:08:09,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:08:09 BoogieIcfgContainer [2022-12-14 16:08:09,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 16:08:09,013 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-14 16:08:09,013 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-14 16:08:09,016 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-14 16:08:09,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 04:08:08" (1/3) ... [2022-12-14 16:08:09,016 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@185e42e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:08:09, skipping insertion in model container [2022-12-14 16:08:09,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 04:08:08" (2/3) ... [2022-12-14 16:08:09,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@185e42e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 04:08:09, skipping insertion in model container [2022-12-14 16:08:09,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:08:09" (3/3) ... [2022-12-14 16:08:09,018 INFO L112 eAbstractionObserver]: Analyzing ICFG diff-2-n-u.c [2022-12-14 16:08:09,032 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-14 16:08:09,032 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-12-14 16:08:09,078 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-14 16:08:09,084 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@286b5548, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-14 16:08:09,085 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-12-14 16:08:09,087 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 25 states have (on average 1.96) internal successors, (49), 41 states have internal predecessors, (49), 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) [2022-12-14 16:08:09,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 16:08:09,092 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:08:09,092 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 16:08:09,093 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-12-14 16:08:09,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:08:09,097 INFO L85 PathProgramCache]: Analyzing trace with hash 5377970, now seen corresponding path program 1 times [2022-12-14 16:08:09,104 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:08:09,104 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626000961] [2022-12-14 16:08:09,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:09,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:08:09,167 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 16:08:09,167 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [986556034] [2022-12-14 16:08:09,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:09,168 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:08:09,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:08:09,169 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:08:09,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-14 16:08:09,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:08:09,238 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 16:08:09,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:08:09,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:08:09,270 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 16:08:09,270 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:08:09,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626000961] [2022-12-14 16:08:09,271 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 16:08:09,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [986556034] [2022-12-14 16:08:09,272 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [986556034] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:08:09,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:08:09,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 16:08:09,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773964535] [2022-12-14 16:08:09,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:08:09,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:08:09,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:08:09,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:08:09,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:08:09,300 INFO L87 Difference]: Start difference. First operand has 42 states, 25 states have (on average 1.96) internal successors, (49), 41 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-12-14 16:08:09,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:08:09,362 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions. [2022-12-14 16:08:09,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:08:09,364 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2022-12-14 16:08:09,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:08:09,369 INFO L225 Difference]: With dead ends: 42 [2022-12-14 16:08:09,370 INFO L226 Difference]: Without dead ends: 37 [2022-12-14 16:08:09,372 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:08:09,374 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 35 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 16:08:09,375 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 16 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 16:08:09,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-12-14 16:08:09,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2022-12-14 16:08:09,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 25 states have (on average 1.76) internal successors, (44), 36 states have internal predecessors, (44), 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) [2022-12-14 16:08:09,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 44 transitions. [2022-12-14 16:08:09,399 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 44 transitions. Word has length 4 [2022-12-14 16:08:09,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:08:09,399 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 44 transitions. [2022-12-14 16:08:09,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2022-12-14 16:08:09,399 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2022-12-14 16:08:09,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-12-14 16:08:09,400 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:08:09,400 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-12-14 16:08:09,406 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-14 16:08:09,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2022-12-14 16:08:09,601 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-12-14 16:08:09,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:08:09,602 INFO L85 PathProgramCache]: Analyzing trace with hash 5373592, now seen corresponding path program 1 times [2022-12-14 16:08:09,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:08:09,602 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1654050093] [2022-12-14 16:08:09,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:09,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:08:09,611 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 16:08:09,611 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1992464434] [2022-12-14 16:08:09,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:09,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:08:09,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:08:09,612 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:08:09,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-14 16:08:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:08:09,659 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 16:08:09,660 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:08:09,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:08:09,665 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 16:08:09,665 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:08:09,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1654050093] [2022-12-14 16:08:09,665 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 16:08:09,666 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1992464434] [2022-12-14 16:08:09,666 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1992464434] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:08:09,666 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:08:09,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 16:08:09,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233186100] [2022-12-14 16:08:09,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:08:09,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:08:09,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:08:09,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:08:09,667 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:08:09,667 INFO L87 Difference]: Start difference. First operand 37 states and 44 transitions. Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-12-14 16:08:09,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:08:09,711 INFO L93 Difference]: Finished difference Result 37 states and 44 transitions. [2022-12-14 16:08:09,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:08:09,712 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2022-12-14 16:08:09,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:08:09,712 INFO L225 Difference]: With dead ends: 37 [2022-12-14 16:08:09,712 INFO L226 Difference]: Without dead ends: 33 [2022-12-14 16:08:09,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:08:09,714 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 27 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 16 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-14 16:08:09,714 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 16 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-14 16:08:09,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-12-14 16:08:09,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-12-14 16:08:09,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 25 states have (on average 1.6) internal successors, (40), 32 states have internal predecessors, (40), 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) [2022-12-14 16:08:09,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 40 transitions. [2022-12-14 16:08:09,720 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 40 transitions. Word has length 4 [2022-12-14 16:08:09,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:08:09,720 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 40 transitions. [2022-12-14 16:08:09,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2022-12-14 16:08:09,721 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 40 transitions. [2022-12-14 16:08:09,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 16:08:09,721 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:08:09,721 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 16:08:09,727 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-14 16:08:09,922 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:08:09,922 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-12-14 16:08:09,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:08:09,923 INFO L85 PathProgramCache]: Analyzing trace with hash 166717131, now seen corresponding path program 1 times [2022-12-14 16:08:09,923 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:08:09,923 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387937505] [2022-12-14 16:08:09,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:09,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:08:09,931 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 16:08:09,931 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1396397447] [2022-12-14 16:08:09,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:09,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:08:09,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:08:09,932 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:08:09,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-14 16:08:09,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:08:09,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 16:08:09,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:08:09,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:08:09,988 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 16:08:09,989 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:08:09,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387937505] [2022-12-14 16:08:09,989 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 16:08:09,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1396397447] [2022-12-14 16:08:09,989 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1396397447] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:08:09,989 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:08:09,989 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-12-14 16:08:09,990 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671185555] [2022-12-14 16:08:09,990 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:08:09,990 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:08:09,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:08:09,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:08:09,991 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:08:09,991 INFO L87 Difference]: Start difference. First operand 33 states and 40 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 16:08:10,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:08:10,059 INFO L93 Difference]: Finished difference Result 65 states and 79 transitions. [2022-12-14 16:08:10,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:08:10,060 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-12-14 16:08:10,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:08:10,060 INFO L225 Difference]: With dead ends: 65 [2022-12-14 16:08:10,060 INFO L226 Difference]: Without dead ends: 61 [2022-12-14 16:08:10,061 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:08:10,062 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 25 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 16:08:10,062 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 28 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 16:08:10,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2022-12-14 16:08:10,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 57. [2022-12-14 16:08:10,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 49 states have (on average 1.530612244897959) internal successors, (75), 56 states have internal predecessors, (75), 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) [2022-12-14 16:08:10,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 75 transitions. [2022-12-14 16:08:10,072 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 75 transitions. Word has length 5 [2022-12-14 16:08:10,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:08:10,072 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 75 transitions. [2022-12-14 16:08:10,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 16:08:10,072 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 75 transitions. [2022-12-14 16:08:10,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-12-14 16:08:10,073 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:08:10,073 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-12-14 16:08:10,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-12-14 16:08:10,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-12-14 16:08:10,275 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-12-14 16:08:10,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:08:10,277 INFO L85 PathProgramCache]: Analyzing trace with hash 166581406, now seen corresponding path program 1 times [2022-12-14 16:08:10,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:08:10,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546354767] [2022-12-14 16:08:10,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:10,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:08:10,311 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 16:08:10,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [119781397] [2022-12-14 16:08:10,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:10,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:08:10,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:08:10,316 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:08:10,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-14 16:08:10,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:08:10,428 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-14 16:08:10,429 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:08:10,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:08:10,441 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-14 16:08:10,442 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:08:10,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546354767] [2022-12-14 16:08:10,442 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 16:08:10,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119781397] [2022-12-14 16:08:10,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119781397] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:08:10,442 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-14 16:08:10,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-14 16:08:10,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328272289] [2022-12-14 16:08:10,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:08:10,444 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-14 16:08:10,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:08:10,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-14 16:08:10,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:08:10,445 INFO L87 Difference]: Start difference. First operand 57 states and 75 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 16:08:10,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:08:10,509 INFO L93 Difference]: Finished difference Result 109 states and 142 transitions. [2022-12-14 16:08:10,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-14 16:08:10,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 5 [2022-12-14 16:08:10,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:08:10,511 INFO L225 Difference]: With dead ends: 109 [2022-12-14 16:08:10,511 INFO L226 Difference]: Without dead ends: 105 [2022-12-14 16:08:10,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-14 16:08:10,512 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 22 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 16:08:10,512 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 32 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 16:08:10,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2022-12-14 16:08:10,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 81. [2022-12-14 16:08:10,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 73 states have (on average 1.4657534246575343) internal successors, (107), 80 states have internal predecessors, (107), 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) [2022-12-14 16:08:10,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 107 transitions. [2022-12-14 16:08:10,529 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 107 transitions. Word has length 5 [2022-12-14 16:08:10,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:08:10,529 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 107 transitions. [2022-12-14 16:08:10,530 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 16:08:10,530 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 107 transitions. [2022-12-14 16:08:10,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-12-14 16:08:10,530 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:08:10,531 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1] [2022-12-14 16:08:10,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-14 16:08:10,731 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:08:10,731 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-12-14 16:08:10,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:08:10,732 INFO L85 PathProgramCache]: Analyzing trace with hash 1939488982, now seen corresponding path program 1 times [2022-12-14 16:08:10,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:08:10,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876116877] [2022-12-14 16:08:10,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:10,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:08:10,741 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 16:08:10,742 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1574897716] [2022-12-14 16:08:10,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:10,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:08:10,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:08:10,743 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:08:10,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-14 16:08:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:08:10,788 INFO L263 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 3 conjunts are in the unsatisfiable core [2022-12-14 16:08:10,789 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:08:10,814 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:08:10,814 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 16:08:10,831 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 16:08:10,831 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:08:10,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1876116877] [2022-12-14 16:08:10,831 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 16:08:10,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1574897716] [2022-12-14 16:08:10,831 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1574897716] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 16:08:10,831 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [727292127] [2022-12-14 16:08:10,845 INFO L159 IcfgInterpreter]: Started Sifa with 6 locations of interest [2022-12-14 16:08:10,845 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 16:08:10,847 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 16:08:10,851 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 16:08:10,852 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 16:08:10,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:08:10,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:08:10,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:08:10,991 INFO L321 Elim1Store]: treesize reduction 176, result has 23.1 percent of original size [2022-12-14 16:08:10,991 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 9 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 46 treesize of output 78 [2022-12-14 16:08:11,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:08:11,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:08:11,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:08:11,128 INFO L321 Elim1Store]: treesize reduction 190, result has 19.1 percent of original size [2022-12-14 16:08:11,129 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 60 treesize of output 93 [2022-12-14 16:08:11,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:08:11,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:08:11,213 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 12 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 53 [2022-12-14 16:08:11,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:08:11,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:08:11,370 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:08:11,394 INFO L321 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2022-12-14 16:08:11,395 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 432 treesize of output 408 [2022-12-14 16:08:11,548 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:08:11,557 INFO L321 Elim1Store]: treesize reduction 22, result has 47.6 percent of original size [2022-12-14 16:08:11,558 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 37 [2022-12-14 16:08:11,599 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:08:11,610 INFO L321 Elim1Store]: treesize reduction 22, result has 47.6 percent of original size [2022-12-14 16:08:11,610 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 37 [2022-12-14 16:08:11,626 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 16:08:11,959 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [727292127] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:08:11,959 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 16:08:11,959 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3] total 8 [2022-12-14 16:08:11,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842461044] [2022-12-14 16:08:11,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:08:11,961 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-14 16:08:11,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:08:11,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-14 16:08:11,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-12-14 16:08:11,961 INFO L87 Difference]: Start difference. First operand 81 states and 107 transitions. Second operand has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 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) [2022-12-14 16:08:12,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:08:12,075 INFO L93 Difference]: Finished difference Result 155 states and 204 transitions. [2022-12-14 16:08:12,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-14 16:08:12,075 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 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 8 [2022-12-14 16:08:12,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:08:12,076 INFO L225 Difference]: With dead ends: 155 [2022-12-14 16:08:12,076 INFO L226 Difference]: Without dead ends: 82 [2022-12-14 16:08:12,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2022-12-14 16:08:12,077 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 3 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 96 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 96 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 16:08:12,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 25 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 96 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 16:08:12,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-12-14 16:08:12,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-12-14 16:08:12,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 74 states have (on average 1.4189189189189189) internal successors, (105), 81 states have internal predecessors, (105), 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) [2022-12-14 16:08:12,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 105 transitions. [2022-12-14 16:08:12,083 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 105 transitions. Word has length 8 [2022-12-14 16:08:12,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:08:12,084 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 105 transitions. [2022-12-14 16:08:12,084 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 1.5) internal successors, (6), 4 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) [2022-12-14 16:08:12,084 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 105 transitions. [2022-12-14 16:08:12,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-14 16:08:12,084 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:08:12,084 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1] [2022-12-14 16:08:12,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-12-14 16:08:12,285 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:08:12,286 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-12-14 16:08:12,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:08:12,287 INFO L85 PathProgramCache]: Analyzing trace with hash 746485219, now seen corresponding path program 1 times [2022-12-14 16:08:12,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:08:12,288 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766756923] [2022-12-14 16:08:12,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:12,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:08:12,311 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 16:08:12,311 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1348387143] [2022-12-14 16:08:12,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:12,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:08:12,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:08:12,315 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:08:12,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-14 16:08:12,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:08:12,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-14 16:08:12,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:08:12,489 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 16:08:12,489 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 16:08:12,519 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-12-14 16:08:12,519 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:08:12,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [766756923] [2022-12-14 16:08:12,520 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 16:08:12,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1348387143] [2022-12-14 16:08:12,520 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1348387143] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 16:08:12,520 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [562275184] [2022-12-14 16:08:12,522 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-12-14 16:08:12,522 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 16:08:12,522 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 16:08:12,523 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 16:08:12,523 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 16:08:12,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:08:12,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:08:12,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:08:12,620 INFO L321 Elim1Store]: treesize reduction 190, result has 19.1 percent of original size [2022-12-14 16:08:12,620 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 60 treesize of output 93 [2022-12-14 16:08:12,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:08:12,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:08:12,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:08:12,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 18 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 58 [2022-12-14 16:08:12,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:08:12,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:08:12,688 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 12 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 53 [2022-12-14 16:08:12,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:08:12,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:08:12,787 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:08:12,813 INFO L321 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2022-12-14 16:08:12,813 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 432 treesize of output 408 [2022-12-14 16:08:12,958 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:08:12,968 INFO L321 Elim1Store]: treesize reduction 22, result has 47.6 percent of original size [2022-12-14 16:08:12,969 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 37 [2022-12-14 16:08:13,025 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:08:13,035 INFO L321 Elim1Store]: treesize reduction 22, result has 47.6 percent of original size [2022-12-14 16:08:13,035 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 37 [2022-12-14 16:08:13,074 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:08:13,085 INFO L321 Elim1Store]: treesize reduction 22, result has 47.6 percent of original size [2022-12-14 16:08:13,085 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 37 [2022-12-14 16:08:13,136 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:08:13,146 INFO L321 Elim1Store]: treesize reduction 22, result has 47.6 percent of original size [2022-12-14 16:08:13,147 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 37 [2022-12-14 16:08:13,196 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:08:13,204 INFO L321 Elim1Store]: treesize reduction 22, result has 47.6 percent of original size [2022-12-14 16:08:13,204 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 37 [2022-12-14 16:08:13,238 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:08:13,247 INFO L321 Elim1Store]: treesize reduction 22, result has 47.6 percent of original size [2022-12-14 16:08:13,248 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 37 [2022-12-14 16:08:13,292 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:08:13,300 INFO L321 Elim1Store]: treesize reduction 22, result has 47.6 percent of original size [2022-12-14 16:08:13,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 37 [2022-12-14 16:08:13,357 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:08:13,367 INFO L321 Elim1Store]: treesize reduction 22, result has 47.6 percent of original size [2022-12-14 16:08:13,367 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 37 [2022-12-14 16:08:13,393 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:08:13,402 INFO L321 Elim1Store]: treesize reduction 22, result has 47.6 percent of original size [2022-12-14 16:08:13,402 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 37 [2022-12-14 16:08:13,437 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:08:13,447 INFO L321 Elim1Store]: treesize reduction 22, result has 47.6 percent of original size [2022-12-14 16:08:13,447 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 37 [2022-12-14 16:08:13,481 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:08:13,491 INFO L321 Elim1Store]: treesize reduction 22, result has 47.6 percent of original size [2022-12-14 16:08:13,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 37 [2022-12-14 16:08:13,506 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 16:08:14,052 INFO L133 SifaRunner]: Sifa could not show that error location is unreachable, found '1129#(and (= |ULTIMATE.start_main_~m~0#1| 1000) (<= 1500 |ULTIMATE.start_main_~j~0#1|) (= |ULTIMATE.start_main_~#C~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#A~0#1.base|) (= |ULTIMATE.start_main_~#A~0#1.offset| 0) (< 2147483646 |ULTIMATE.start_main_~i~0#1|) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~#B~0#1.base|) (= |ULTIMATE.start_main_~#B~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#C~0#1.base|) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~n~0#1| 1500) (= |#NULL.base| 0))' at error location [2022-12-14 16:08:14,052 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: ALGORITHM_FAILED [2022-12-14 16:08:14,052 INFO L184 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2022-12-14 16:08:14,052 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2022-12-14 16:08:14,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1112616524] [2022-12-14 16:08:14,052 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2022-12-14 16:08:14,053 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-12-14 16:08:14,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:08:14,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-12-14 16:08:14,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2022-12-14 16:08:14,053 INFO L87 Difference]: Start difference. First operand 82 states and 105 transitions. Second operand has 10 states, 10 states have (on average 2.3) internal successors, (23), 9 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) [2022-12-14 16:08:14,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:08:14,217 INFO L93 Difference]: Finished difference Result 266 states and 370 transitions. [2022-12-14 16:08:14,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-14 16:08:14,217 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 9 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-12-14 16:08:14,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:08:14,218 INFO L225 Difference]: With dead ends: 266 [2022-12-14 16:08:14,218 INFO L226 Difference]: Without dead ends: 193 [2022-12-14 16:08:14,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=93, Invalid=213, Unknown=0, NotChecked=0, Total=306 [2022-12-14 16:08:14,219 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 218 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 52 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-12-14 16:08:14,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 52 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [76 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-12-14 16:08:14,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2022-12-14 16:08:14,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 185. [2022-12-14 16:08:14,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 177 states have (on average 1.2146892655367232) internal successors, (215), 184 states have internal predecessors, (215), 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) [2022-12-14 16:08:14,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 215 transitions. [2022-12-14 16:08:14,230 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 215 transitions. Word has length 15 [2022-12-14 16:08:14,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:08:14,230 INFO L495 AbstractCegarLoop]: Abstraction has 185 states and 215 transitions. [2022-12-14 16:08:14,230 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 9 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) [2022-12-14 16:08:14,230 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 215 transitions. [2022-12-14 16:08:14,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-14 16:08:14,231 INFO L187 NwaCegarLoop]: Found error trace [2022-12-14 16:08:14,231 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 9, 2, 1, 1, 1, 1, 1] [2022-12-14 16:08:14,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-14 16:08:14,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:08:14,433 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-12-14 16:08:14,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 16:08:14,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1321250238, now seen corresponding path program 1 times [2022-12-14 16:08:14,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-12-14 16:08:14,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011923196] [2022-12-14 16:08:14,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:14,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 16:08:14,482 ERROR L245 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2022-12-14 16:08:14,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1653365871] [2022-12-14 16:08:14,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-14 16:08:14,484 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:08:14,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 [2022-12-14 16:08:14,487 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-14 16:08:14,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-12-14 16:08:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 16:08:14,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 230 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-14 16:08:14,580 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-14 16:08:14,645 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 77 proven. 51 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-14 16:08:14,645 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-14 16:08:14,708 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 77 proven. 51 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-12-14 16:08:14,708 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-12-14 16:08:14,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011923196] [2022-12-14 16:08:14,708 WARN L310 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2022-12-14 16:08:14,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1653365871] [2022-12-14 16:08:14,708 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1653365871] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-14 16:08:14,708 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1809319884] [2022-12-14 16:08:14,710 INFO L159 IcfgInterpreter]: Started Sifa with 8 locations of interest [2022-12-14 16:08:14,710 INFO L166 IcfgInterpreter]: Building call graph [2022-12-14 16:08:14,710 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-12-14 16:08:14,710 INFO L176 IcfgInterpreter]: Starting interpretation [2022-12-14 16:08:14,711 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-12-14 16:08:14,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:08:14,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:08:14,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:08:14,802 INFO L321 Elim1Store]: treesize reduction 190, result has 19.1 percent of original size [2022-12-14 16:08:14,802 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 15 case distinctions, treesize of input 60 treesize of output 93 [2022-12-14 16:08:14,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:08:14,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:08:14,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:08:14,818 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 18 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 58 [2022-12-14 16:08:14,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:08:14,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:08:14,852 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 12 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 53 [2022-12-14 16:08:14,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:08:14,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-12-14 16:08:14,923 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:08:14,946 INFO L321 Elim1Store]: treesize reduction 124, result has 16.2 percent of original size [2022-12-14 16:08:14,946 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 432 treesize of output 408 [2022-12-14 16:08:15,070 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:08:15,077 INFO L321 Elim1Store]: treesize reduction 22, result has 47.6 percent of original size [2022-12-14 16:08:15,078 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 37 [2022-12-14 16:08:15,131 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:08:15,139 INFO L321 Elim1Store]: treesize reduction 22, result has 47.6 percent of original size [2022-12-14 16:08:15,139 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 37 [2022-12-14 16:08:15,165 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:08:15,175 INFO L321 Elim1Store]: treesize reduction 22, result has 47.6 percent of original size [2022-12-14 16:08:15,175 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 37 [2022-12-14 16:08:15,199 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:08:15,208 INFO L321 Elim1Store]: treesize reduction 22, result has 47.6 percent of original size [2022-12-14 16:08:15,209 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 37 [2022-12-14 16:08:15,233 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:08:15,242 INFO L321 Elim1Store]: treesize reduction 22, result has 47.6 percent of original size [2022-12-14 16:08:15,243 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 37 [2022-12-14 16:08:15,265 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:08:15,275 INFO L321 Elim1Store]: treesize reduction 22, result has 47.6 percent of original size [2022-12-14 16:08:15,275 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 37 [2022-12-14 16:08:15,307 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:08:15,316 INFO L321 Elim1Store]: treesize reduction 22, result has 47.6 percent of original size [2022-12-14 16:08:15,316 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 37 [2022-12-14 16:08:15,343 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:08:15,353 INFO L321 Elim1Store]: treesize reduction 22, result has 47.6 percent of original size [2022-12-14 16:08:15,353 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 37 [2022-12-14 16:08:15,379 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:08:15,390 INFO L321 Elim1Store]: treesize reduction 22, result has 47.6 percent of original size [2022-12-14 16:08:15,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 37 [2022-12-14 16:08:15,426 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:08:15,436 INFO L321 Elim1Store]: treesize reduction 22, result has 47.6 percent of original size [2022-12-14 16:08:15,437 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 37 [2022-12-14 16:08:15,464 INFO L173 IndexEqualityManager]: detected equality via solver [2022-12-14 16:08:15,475 INFO L321 Elim1Store]: treesize reduction 22, result has 47.6 percent of original size [2022-12-14 16:08:15,475 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 54 treesize of output 37 [2022-12-14 16:08:15,490 INFO L180 IcfgInterpreter]: Interpretation finished [2022-12-14 16:08:15,995 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1809319884] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-14 16:08:15,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-12-14 16:08:15,995 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9, 9] total 21 [2022-12-14 16:08:15,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664704998] [2022-12-14 16:08:15,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-14 16:08:15,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-12-14 16:08:15,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-12-14 16:08:15,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-12-14 16:08:15,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=305, Unknown=0, NotChecked=0, Total=462 [2022-12-14 16:08:15,997 INFO L87 Difference]: Start difference. First operand 185 states and 215 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 16:08:16,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-14 16:08:16,538 INFO L93 Difference]: Finished difference Result 185 states and 215 transitions. [2022-12-14 16:08:16,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-14 16:08:16,539 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 36 [2022-12-14 16:08:16,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-14 16:08:16,539 INFO L225 Difference]: With dead ends: 185 [2022-12-14 16:08:16,539 INFO L226 Difference]: Without dead ends: 0 [2022-12-14 16:08:16,539 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 84 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=190, Invalid=410, Unknown=0, NotChecked=0, Total=600 [2022-12-14 16:08:16,540 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 27 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-12-14 16:08:16,540 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 0 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-12-14 16:08:16,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-14 16:08:16,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-14 16:08:16,541 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) [2022-12-14 16:08:16,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-14 16:08:16,541 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2022-12-14 16:08:16,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-14 16:08:16,541 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-14 16:08:16,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-14 16:08:16,541 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-14 16:08:16,541 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 16:08:16,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2022-12-14 16:08:16,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2022-12-14 16:08:16,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2022-12-14 16:08:16,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2022-12-14 16:08:16,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2022-12-14 16:08:16,543 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2022-12-14 16:08:16,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2022-12-14 16:08:16,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2022-12-14 16:08:16,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2022-12-14 16:08:16,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2022-12-14 16:08:16,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2022-12-14 16:08:16,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2022-12-14 16:08:16,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2022-12-14 16:08:16,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2022-12-14 16:08:16,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2022-12-14 16:08:16,544 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2022-12-14 16:08:16,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-12-14 16:08:16,745 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-14 16:08:16,751 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-14 16:08:17,648 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-12-14 16:08:17,648 INFO L899 garLoopResultBuilder]: For program point L60(line 60) no Hoare annotation was computed. [2022-12-14 16:08:17,648 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 74) no Hoare annotation was computed. [2022-12-14 16:08:17,648 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-12-14 16:08:17,648 INFO L899 garLoopResultBuilder]: For program point L44-1(line 44) no Hoare annotation was computed. [2022-12-14 16:08:17,649 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2022-12-14 16:08:17,649 INFO L895 garLoopResultBuilder]: At program point L69-2(lines 69 73) the Hoare annotation is: (and (= |ULTIMATE.start_main_~m~0#1| 1000) (= |ULTIMATE.start_main_~#C~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#A~0#1.base|) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 1000) (= |ULTIMATE.start_main_~#A~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~#B~0#1.base|) (= |ULTIMATE.start_main_~#B~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#C~0#1.base|) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~n~0#1| 1500) (= |#NULL.base| 0)) [2022-12-14 16:08:17,649 INFO L899 garLoopResultBuilder]: For program point L69-3(lines 69 73) no Hoare annotation was computed. [2022-12-14 16:08:17,649 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2022-12-14 16:08:17,649 INFO L895 garLoopResultBuilder]: At program point L53-2(lines 53 61) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~m~0#1| 1000)) (.cse1 (= |ULTIMATE.start_main_~#C~0#1.offset| 0)) (.cse2 (<= 0 |ULTIMATE.start_main_~#A~0#1.base|)) (.cse3 (= |ULTIMATE.start_main_~#A~0#1.offset| 0)) (.cse4 (= |#NULL.offset| 0)) (.cse5 (<= 0 |ULTIMATE.start_main_~#B~0#1.base|)) (.cse6 (= |ULTIMATE.start_main_~#B~0#1.offset| 0)) (.cse7 (<= 0 |ULTIMATE.start_main_~#C~0#1.base|)) (.cse8 (<= 0 |#StackHeapBarrier|)) (.cse9 (= |ULTIMATE.start_main_~n~0#1| 1500)) (.cse10 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 |ULTIMATE.start_main_~j~0#1|) .cse3 (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= |ULTIMATE.start_main_~j~0#1| 0)) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= 1500 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 2147483647) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10))) [2022-12-14 16:08:17,649 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 58) no Hoare annotation was computed. [2022-12-14 16:08:17,650 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 30) no Hoare annotation was computed. [2022-12-14 16:08:17,650 INFO L899 garLoopResultBuilder]: For program point L46(line 46) no Hoare annotation was computed. [2022-12-14 16:08:17,650 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 58) no Hoare annotation was computed. [2022-12-14 16:08:17,650 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-14 16:08:17,650 INFO L895 garLoopResultBuilder]: At program point L38-2(lines 38 47) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~m~0#1| 1000)) (.cse1 (= |ULTIMATE.start_main_~#C~0#1.offset| 0)) (.cse2 (<= 0 |ULTIMATE.start_main_~#A~0#1.base|)) (.cse3 (= |ULTIMATE.start_main_~#A~0#1.offset| 0)) (.cse4 (= |#NULL.offset| 0)) (.cse5 (<= 0 |ULTIMATE.start_main_~#B~0#1.base|)) (.cse6 (= |ULTIMATE.start_main_~#B~0#1.offset| 0)) (.cse7 (<= 0 |ULTIMATE.start_main_~#C~0#1.base|)) (.cse8 (<= 0 |#StackHeapBarrier|)) (.cse9 (= |ULTIMATE.start_main_~n~0#1| 1500)) (.cse10 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 |ULTIMATE.start_main_~j~0#1|) .cse3 (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= |ULTIMATE.start_main_~j~0#1| 0)) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= 1500 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 2147483647) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10))) [2022-12-14 16:08:17,650 INFO L899 garLoopResultBuilder]: For program point L30(line 30) no Hoare annotation was computed. [2022-12-14 16:08:17,650 INFO L899 garLoopResultBuilder]: For program point L30-1(line 30) no Hoare annotation was computed. [2022-12-14 16:08:17,650 INFO L895 garLoopResultBuilder]: At program point L55-2(lines 55 59) the Hoare annotation is: (and (= |ULTIMATE.start_main_~m~0#1| 1000) (= |ULTIMATE.start_main_~#C~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#A~0#1.base|) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 1000) (= |ULTIMATE.start_main_~#A~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~#B~0#1.base|) (= |ULTIMATE.start_main_~#B~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#C~0#1.base|) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~n~0#1| 1500) (= |#NULL.base| 0)) [2022-12-14 16:08:17,651 INFO L899 garLoopResultBuilder]: For program point L55-3(lines 55 59) no Hoare annotation was computed. [2022-12-14 16:08:17,651 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 60) no Hoare annotation was computed. [2022-12-14 16:08:17,651 INFO L899 garLoopResultBuilder]: For program point L72(line 72) no Hoare annotation was computed. [2022-12-14 16:08:17,651 INFO L899 garLoopResultBuilder]: For program point L72-1(line 72) no Hoare annotation was computed. [2022-12-14 16:08:17,651 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 60) no Hoare annotation was computed. [2022-12-14 16:08:17,651 INFO L895 garLoopResultBuilder]: At program point L40-2(lines 40 45) the Hoare annotation is: (and (= |ULTIMATE.start_main_~m~0#1| 1000) (= |ULTIMATE.start_main_~#C~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#A~0#1.base|) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 1000) (= |ULTIMATE.start_main_~#A~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~#B~0#1.base|) (= |ULTIMATE.start_main_~#B~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#C~0#1.base|) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~n~0#1| 1500) (= |#NULL.base| 0)) [2022-12-14 16:08:17,651 INFO L899 garLoopResultBuilder]: For program point L40-3(lines 40 45) no Hoare annotation was computed. [2022-12-14 16:08:17,651 INFO L899 garLoopResultBuilder]: For program point L32(line 32) no Hoare annotation was computed. [2022-12-14 16:08:17,651 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2022-12-14 16:08:17,652 INFO L895 garLoopResultBuilder]: At program point L24-2(lines 24 33) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~m~0#1| 1000)) (.cse1 (= |ULTIMATE.start_main_~#C~0#1.offset| 0)) (.cse2 (= |ULTIMATE.start_main_~#A~0#1.offset| 0)) (.cse3 (= |#NULL.offset| 0)) (.cse4 (= |ULTIMATE.start_main_~#B~0#1.offset| 0)) (.cse5 (= |ULTIMATE.start_main_~n~0#1| 1500)) (.cse6 (= |#NULL.base| 0))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= 1500 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 2147483647) .cse1 (<= 0 |ULTIMATE.start_main_~#A~0#1.base|) .cse2 .cse3 (<= 0 |ULTIMATE.start_main_~#B~0#1.base|) .cse4 (<= 0 |ULTIMATE.start_main_~#C~0#1.base|) (<= 0 |#StackHeapBarrier|) .cse5 .cse6) (let ((.cse7 (* (mod (* |ULTIMATE.start_main_~m~0#1| |ULTIMATE.start_main_~n~0#1|) 1073741824) 4)) (.cse8 (select |#memory_int| 1))) (and (= .cse7 (select |#length| |ULTIMATE.start_main_~#B~0#1.base|)) (= (select |#length| |ULTIMATE.start_main_~#C~0#1.base|) .cse7) (= (select |#length| 3) 12) (= |ULTIMATE.start_main_~i~0#1| 0) .cse0 (= 13 (select |#length| 2)) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#A~0#1.base|) .cse1 (< |#StackHeapBarrier| |ULTIMATE.start_main_~#B~0#1.base|) (= 2 (select |#length| 1)) (= (select |#valid| 3) 1) (= (select |#valid| |ULTIMATE.start_main_~#A~0#1.base|) 1) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#C~0#1.base|) (= (select |#length| |ULTIMATE.start_main_~#A~0#1.base|) .cse7) (= (select |#valid| |ULTIMATE.start_main_~#C~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_~#B~0#1.base|) 1) .cse2 (= (select |#valid| 1) 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) .cse3 (= (select .cse8 0) 48) (not (= |ULTIMATE.start_main_~#C~0#1.base| |ULTIMATE.start_main_~#A~0#1.base|)) (not (= |ULTIMATE.start_main_~#B~0#1.base| |ULTIMATE.start_main_~#A~0#1.base|)) (= |ULTIMATE.start_main_~j~0#1| 0) .cse4 (= (select .cse8 1) 0) (not (= |ULTIMATE.start_main_~#C~0#1.base| |ULTIMATE.start_main_~#B~0#1.base|)) .cse5 (< 0 |#StackHeapBarrier|) .cse6)))) [2022-12-14 16:08:17,652 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 72) no Hoare annotation was computed. [2022-12-14 16:08:17,652 INFO L899 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2022-12-14 16:08:17,652 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-14 16:08:17,652 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2022-12-14 16:08:17,652 INFO L899 garLoopResultBuilder]: For program point L58(line 58) no Hoare annotation was computed. [2022-12-14 16:08:17,652 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2022-12-14 16:08:17,652 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 72) no Hoare annotation was computed. [2022-12-14 16:08:17,653 INFO L895 garLoopResultBuilder]: At program point L67-2(lines 67 75) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_main_~m~0#1| 1000)) (.cse1 (= |ULTIMATE.start_main_~#C~0#1.offset| 0)) (.cse2 (<= 0 |ULTIMATE.start_main_~#A~0#1.base|)) (.cse3 (= |ULTIMATE.start_main_~#A~0#1.offset| 0)) (.cse4 (= |#NULL.offset| 0)) (.cse5 (<= 0 |ULTIMATE.start_main_~#B~0#1.base|)) (.cse6 (= |ULTIMATE.start_main_~#B~0#1.offset| 0)) (.cse7 (<= 0 |ULTIMATE.start_main_~#C~0#1.base|)) (.cse8 (<= 0 |#StackHeapBarrier|)) (.cse9 (= |ULTIMATE.start_main_~n~0#1| 1500)) (.cse10 (= |#NULL.base| 0))) (or (and .cse0 .cse1 .cse2 (<= |ULTIMATE.start_main_~i~0#1| 0) (<= 0 |ULTIMATE.start_main_~j~0#1|) .cse3 (<= 0 |ULTIMATE.start_main_~i~0#1|) .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (<= |ULTIMATE.start_main_~j~0#1| 0)) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= 1500 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 2147483647) .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10))) [2022-12-14 16:08:17,653 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 32) no Hoare annotation was computed. [2022-12-14 16:08:17,653 INFO L895 garLoopResultBuilder]: At program point L26-2(lines 26 31) the Hoare annotation is: (and (= |ULTIMATE.start_main_~m~0#1| 1000) (= |ULTIMATE.start_main_~#C~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#A~0#1.base|) (<= 0 |ULTIMATE.start_main_~j~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 1000) (= |ULTIMATE.start_main_~#A~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~i~0#1|) (= |#NULL.offset| 0) (<= 0 |ULTIMATE.start_main_~#B~0#1.base|) (= |ULTIMATE.start_main_~#B~0#1.offset| 0) (<= 0 |ULTIMATE.start_main_~#C~0#1.base|) (<= 0 |#StackHeapBarrier|) (= |ULTIMATE.start_main_~n~0#1| 1500) (= |#NULL.base| 0)) [2022-12-14 16:08:17,653 INFO L899 garLoopResultBuilder]: For program point L26-3(lines 26 31) no Hoare annotation was computed. [2022-12-14 16:08:17,653 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 74) no Hoare annotation was computed. [2022-12-14 16:08:17,653 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 46) no Hoare annotation was computed. [2022-12-14 16:08:17,655 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-12-14 16:08:17,657 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-14 16:08:17,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 04:08:17 BoogieIcfgContainer [2022-12-14 16:08:17,679 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-14 16:08:17,680 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 16:08:17,680 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 16:08:17,680 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 16:08:17,680 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 04:08:09" (3/4) ... [2022-12-14 16:08:17,683 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 16:08:17,692 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-12-14 16:08:17,692 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2022-12-14 16:08:17,692 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 16:08:17,692 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-14 16:08:17,721 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/witness.graphml [2022-12-14 16:08:17,721 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 16:08:17,721 INFO L158 Benchmark]: Toolchain (without parser) took 9230.93ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 93.2MB in the beginning and 94.2MB in the end (delta: -971.5kB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2022-12-14 16:08:17,722 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 136.3MB. Free memory is still 87.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 16:08:17,722 INFO L158 Benchmark]: CACSL2BoogieTranslator took 167.79ms. Allocated memory is still 136.3MB. Free memory was 93.2MB in the beginning and 82.3MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 16:08:17,722 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.25ms. Allocated memory is still 136.3MB. Free memory was 82.3MB in the beginning and 80.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:08:17,722 INFO L158 Benchmark]: Boogie Preprocessor took 19.30ms. Allocated memory is still 136.3MB. Free memory was 80.6MB in the beginning and 78.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:08:17,723 INFO L158 Benchmark]: RCFGBuilder took 305.74ms. Allocated memory is still 136.3MB. Free memory was 78.9MB in the beginning and 61.4MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-14 16:08:17,723 INFO L158 Benchmark]: TraceAbstraction took 8665.75ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 60.7MB in the beginning and 97.3MB in the end (delta: -36.6MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. [2022-12-14 16:08:17,723 INFO L158 Benchmark]: Witness Printer took 41.29ms. Allocated memory is still 163.6MB. Free memory was 97.3MB in the beginning and 94.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-14 16:08:17,725 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 136.3MB. Free memory is still 87.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 167.79ms. Allocated memory is still 136.3MB. Free memory was 93.2MB in the beginning and 82.3MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.25ms. Allocated memory is still 136.3MB. Free memory was 82.3MB in the beginning and 80.6MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.30ms. Allocated memory is still 136.3MB. Free memory was 80.6MB in the beginning and 78.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 305.74ms. Allocated memory is still 136.3MB. Free memory was 78.9MB in the beginning and 61.4MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 8665.75ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 60.7MB in the beginning and 97.3MB in the end (delta: -36.6MB). Peak memory consumption was 50.9MB. Max. memory is 16.1GB. * Witness Printer took 41.29ms. Allocated memory is still 163.6MB. Free memory was 97.3MB in the beginning and 94.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. 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: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 30]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 58]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 60]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 72]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 74]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 74]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 42 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 8.6s, OverallIterations: 7, TraceHistogramMax: 10, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 357 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 357 mSDsluCounter, 169 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 60 mSDsCounter, 184 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 461 IncrementalHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 184 mSolverCounterUnsat, 109 mSDtfsCounter, 461 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 191 GetRequests, 138 SyntacticMatches, 3 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 291 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=185occurred in iteration=6, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 36 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 72 NumberOfFragments, 635 HoareAnnotationTreeSize, 8 FomulaSimplifications, 342 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 8 FomulaSimplificationsInter, 2606 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 126 ConstructedInterpolants, 0 QuantifiedInterpolants, 438 SizeOfPredicates, 4 NumberOfNonLiveVariables, 773 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 10 InterpolantComputations, 4 PerfectInterpolantSequences, 202/320 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: OVERALL_TIME: 1.6s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 14, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 67, TOOLS_POST_TIME: 1.4s, TOOLS_POST_CALL_APPLICATIONS: 0, TOOLS_POST_CALL_TIME: 0.0s, TOOLS_POST_RETURN_APPLICATIONS: 0, TOOLS_POST_RETURN_TIME: 0.0s, TOOLS_QUANTIFIERELIM_APPLICATIONS: 67, TOOLS_QUANTIFIERELIM_TIME: 1.3s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.3s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 123, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 3, DOMAIN_JOIN_TIME: 0.0s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 11, DOMAIN_WIDEN_TIME: 0.1s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 17, DOMAIN_ISSUBSETEQ_TIME: 0.0s, DOMAIN_ISBOTTOM_APPLICATIONS: 14, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 6, LOOP_SUMMARIZER_CACHE_MISSES: 6, LOOP_SUMMARIZER_OVERALL_TIME: 1.0s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 1.0s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 17, CALL_SUMMARIZER_APPLICATIONS: 0, CALL_SUMMARIZER_CACHE_MISSES: 0, CALL_SUMMARIZER_OVERALL_TIME: 0.0s, CALL_SUMMARIZER_NEW_COMPUTATION_TIME: 0.0s, PROCEDURE_GRAPH_BUILDER_TIME: 0.0s, PATH_EXPR_TIME: 0.0s, REGEX_TO_DAG_TIME: 0.0s, DAG_COMPRESSION_TIME: 0.0s, DAG_COMPRESSION_PROCESSED_NODES: 142, DAG_COMPRESSION_RETAINED_NODES: 54, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: ((((((((((((m == 1000 && C == 0) && 0 <= A) && 0 <= j) && i <= 1000) && A == 0) && 0 <= i) && #NULL == 0) && 0 <= B) && B == 0) && 0 <= C) && 0 <= unknown-#StackHeapBarrier-unknown) && n == 1500) && #NULL == 0 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: (((((((((((((m == 1000 && 1 <= i) && 1500 <= j) && i <= 2147483647) && C == 0) && 0 <= A) && A == 0) && #NULL == 0) && 0 <= B) && B == 0) && 0 <= C) && 0 <= unknown-#StackHeapBarrier-unknown) && n == 1500) && #NULL == 0) || ((((((((((((((((((((((((((((((m * n % 1073741824 * 4 == unknown-#length-unknown[B] && unknown-#length-unknown[C] == m * n % 1073741824 * 4) && unknown-#length-unknown[3] == 12) && i == 0) && m == 1000) && 13 == unknown-#length-unknown[2]) && unknown-#StackHeapBarrier-unknown < A) && C == 0) && unknown-#StackHeapBarrier-unknown < B) && 2 == unknown-#length-unknown[1]) && \valid[3] == 1) && \valid[A] == 1) && unknown-#StackHeapBarrier-unknown < C) && unknown-#length-unknown[A] == m * n % 1073741824 * 4) && \valid[C] == 1) && \valid[B] == 1) && A == 0) && \valid[1] == 1) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && !(C == A)) && !(B == A)) && j == 0) && B == 0) && unknown-#memory_int-unknown[1][1] == 0) && !(C == B)) && n == 1500) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0) - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: ((((((((((((((m == 1000 && C == 0) && 0 <= A) && i <= 0) && 0 <= j) && A == 0) && 0 <= i) && #NULL == 0) && 0 <= B) && B == 0) && 0 <= C) && 0 <= unknown-#StackHeapBarrier-unknown) && n == 1500) && #NULL == 0) && j <= 0) || (((((((((((((m == 1000 && 1 <= i) && 1500 <= j) && i <= 2147483647) && C == 0) && 0 <= A) && A == 0) && #NULL == 0) && 0 <= B) && B == 0) && 0 <= C) && 0 <= unknown-#StackHeapBarrier-unknown) && n == 1500) && #NULL == 0) - InvariantResult [Line: 40]: Loop Invariant Derived loop invariant: ((((((((((((m == 1000 && C == 0) && 0 <= A) && 0 <= j) && i <= 1000) && A == 0) && 0 <= i) && #NULL == 0) && 0 <= B) && B == 0) && 0 <= C) && 0 <= unknown-#StackHeapBarrier-unknown) && n == 1500) && #NULL == 0 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: ((((((((((((m == 1000 && C == 0) && 0 <= A) && 0 <= j) && i <= 1000) && A == 0) && 0 <= i) && #NULL == 0) && 0 <= B) && B == 0) && 0 <= C) && 0 <= unknown-#StackHeapBarrier-unknown) && n == 1500) && #NULL == 0 - InvariantResult [Line: 55]: Loop Invariant Derived loop invariant: ((((((((((((m == 1000 && C == 0) && 0 <= A) && 0 <= j) && i <= 1000) && A == 0) && 0 <= i) && #NULL == 0) && 0 <= B) && B == 0) && 0 <= C) && 0 <= unknown-#StackHeapBarrier-unknown) && n == 1500) && #NULL == 0 - InvariantResult [Line: 67]: Loop Invariant Derived loop invariant: ((((((((((((((m == 1000 && C == 0) && 0 <= A) && i <= 0) && 0 <= j) && A == 0) && 0 <= i) && #NULL == 0) && 0 <= B) && B == 0) && 0 <= C) && 0 <= unknown-#StackHeapBarrier-unknown) && n == 1500) && #NULL == 0) && j <= 0) || (((((((((((((m == 1000 && 1 <= i) && 1500 <= j) && i <= 2147483647) && C == 0) && 0 <= A) && A == 0) && #NULL == 0) && 0 <= B) && B == 0) && 0 <= C) && 0 <= unknown-#StackHeapBarrier-unknown) && n == 1500) && #NULL == 0) - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: ((((((((((((((m == 1000 && C == 0) && 0 <= A) && i <= 0) && 0 <= j) && A == 0) && 0 <= i) && #NULL == 0) && 0 <= B) && B == 0) && 0 <= C) && 0 <= unknown-#StackHeapBarrier-unknown) && n == 1500) && #NULL == 0) && j <= 0) || (((((((((((((m == 1000 && 1 <= i) && 1500 <= j) && i <= 2147483647) && C == 0) && 0 <= A) && A == 0) && #NULL == 0) && 0 <= B) && B == 0) && 0 <= C) && 0 <= unknown-#StackHeapBarrier-unknown) && n == 1500) && #NULL == 0) RESULT: Ultimate proved your program to be correct! [2022-12-14 16:08:17,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6c239b11-9299-4761-844c-575fa5bfa834/bin/utaipan-gh47qXpMRh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE