./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/float-benchs/rlim_invariant.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9c77ca-8f5a-49d9-afd0-8e58e9761014/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9c77ca-8f5a-49d9-afd0-8e58e9761014/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9c77ca-8f5a-49d9-afd0-8e58e9761014/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9c77ca-8f5a-49d9-afd0-8e58e9761014/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/float-benchs/rlim_invariant.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9c77ca-8f5a-49d9-afd0-8e58e9761014/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9c77ca-8f5a-49d9-afd0-8e58e9761014/bin/utaipan-Q6hlc19bkW --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 d395d439ec4556dc83dba3523bab6fe5cf68ec358a108cd3824067669c5e9bc5 --- 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-4e7fbc6 [2022-11-23 15:20:24,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:20:24,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:20:24,428 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:20:24,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:20:24,432 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:20:24,437 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:20:24,440 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:20:24,442 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:20:24,448 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:20:24,450 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:20:24,452 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:20:24,452 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:20:24,455 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:20:24,458 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:20:24,460 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:20:24,462 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:20:24,463 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:20:24,464 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:20:24,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:20:24,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:20:24,475 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:20:24,476 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:20:24,477 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:20:24,488 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:20:24,488 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:20:24,489 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:20:24,491 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:20:24,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:20:24,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:20:24,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:20:24,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:20:24,497 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:20:24,498 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:20:24,501 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:20:24,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:20:24,502 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:20:24,502 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:20:24,502 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:20:24,504 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:20:24,505 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:20:24,506 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9c77ca-8f5a-49d9-afd0-8e58e9761014/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-23 15:20:24,538 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:20:24,539 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:20:24,539 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:20:24,540 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:20:24,540 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:20:24,541 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:20:24,541 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:20:24,541 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:20:24,542 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:20:24,542 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:20:24,542 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:20:24,543 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:20:24,543 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:20:24,543 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:20:24,543 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:20:24,544 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:20:24,544 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:20:24,544 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:20:24,545 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:20:24,546 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-23 15:20:24,546 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 15:20:24,546 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:20:24,547 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-23 15:20:24,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:20:24,547 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:20:24,547 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:20:24,548 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:20:24,548 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 15:20:24,548 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-23 15:20:24,548 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:20:24,549 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:20:24,549 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:20:24,549 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:20:24,550 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:20:24,550 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:20:24,550 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:20:24,550 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:20:24,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:20:24,551 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:20:24,551 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:20:24,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:20:24,552 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:20:24,552 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:20:24,552 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_ce9c77ca-8f5a-49d9-afd0-8e58e9761014/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9c77ca-8f5a-49d9-afd0-8e58e9761014/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d395d439ec4556dc83dba3523bab6fe5cf68ec358a108cd3824067669c5e9bc5 [2022-11-23 15:20:24,889 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:20:24,929 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:20:24,931 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:20:24,933 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:20:24,934 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:20:24,935 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9c77ca-8f5a-49d9-afd0-8e58e9761014/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/float-benchs/rlim_invariant.c [2022-11-23 15:20:28,088 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:20:28,288 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:20:28,288 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9c77ca-8f5a-49d9-afd0-8e58e9761014/sv-benchmarks/c/float-benchs/rlim_invariant.c [2022-11-23 15:20:28,294 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9c77ca-8f5a-49d9-afd0-8e58e9761014/bin/utaipan-Q6hlc19bkW/data/6e8b53a37/6529b88319a145e7a7948655b92c8c36/FLAGe50e7a030 [2022-11-23 15:20:28,309 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9c77ca-8f5a-49d9-afd0-8e58e9761014/bin/utaipan-Q6hlc19bkW/data/6e8b53a37/6529b88319a145e7a7948655b92c8c36 [2022-11-23 15:20:28,312 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:20:28,313 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:20:28,315 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:20:28,315 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:20:28,319 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:20:28,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:20:28" (1/1) ... [2022-11-23 15:20:28,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d7bfb69 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:28, skipping insertion in model container [2022-11-23 15:20:28,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:20:28" (1/1) ... [2022-11-23 15:20:28,329 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:20:28,344 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:20:28,495 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_ce9c77ca-8f5a-49d9-afd0-8e58e9761014/sv-benchmarks/c/float-benchs/rlim_invariant.c[451,464] [2022-11-23 15:20:28,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:20:28,522 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:20:28,535 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_ce9c77ca-8f5a-49d9-afd0-8e58e9761014/sv-benchmarks/c/float-benchs/rlim_invariant.c[451,464] [2022-11-23 15:20:28,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:20:28,554 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:20:28,554 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:28 WrapperNode [2022-11-23 15:20:28,555 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:20:28,556 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:20:28,556 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:20:28,556 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:20:28,565 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:28" (1/1) ... [2022-11-23 15:20:28,573 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:28" (1/1) ... [2022-11-23 15:20:28,592 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 49 [2022-11-23 15:20:28,592 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:20:28,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:20:28,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:20:28,593 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:20:28,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:28" (1/1) ... [2022-11-23 15:20:28,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:28" (1/1) ... [2022-11-23 15:20:28,615 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:28" (1/1) ... [2022-11-23 15:20:28,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:28" (1/1) ... [2022-11-23 15:20:28,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:28" (1/1) ... [2022-11-23 15:20:28,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:28" (1/1) ... [2022-11-23 15:20:28,632 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:28" (1/1) ... [2022-11-23 15:20:28,633 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:28" (1/1) ... [2022-11-23 15:20:28,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:20:28,643 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:20:28,643 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:20:28,643 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:20:28,644 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:28" (1/1) ... [2022-11-23 15:20:28,651 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:20:28,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9c77ca-8f5a-49d9-afd0-8e58e9761014/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:20:28,684 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9c77ca-8f5a-49d9-afd0-8e58e9761014/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:20:28,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9c77ca-8f5a-49d9-afd0-8e58e9761014/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:20:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:20:28,727 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 15:20:28,728 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 15:20:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:20:28,728 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:20:28,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:20:28,807 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:20:28,809 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:20:29,043 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:20:29,118 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:20:29,118 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 15:20:29,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:20:29 BoogieIcfgContainer [2022-11-23 15:20:29,121 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:20:29,123 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:20:29,123 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:20:29,127 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:20:29,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:20:28" (1/3) ... [2022-11-23 15:20:29,128 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13981781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:20:29, skipping insertion in model container [2022-11-23 15:20:29,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:20:28" (2/3) ... [2022-11-23 15:20:29,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13981781 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:20:29, skipping insertion in model container [2022-11-23 15:20:29,129 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:20:29" (3/3) ... [2022-11-23 15:20:29,130 INFO L112 eAbstractionObserver]: Analyzing ICFG rlim_invariant.c [2022-11-23 15:20:29,150 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:20:29,151 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 15:20:29,203 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:20:29,210 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;@53d44280, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:20:29,211 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 15:20:29,217 INFO L276 IsEmpty]: Start isEmpty. Operand has 12 states, 6 states have (on average 1.5) internal successors, (9), 8 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 15:20:29,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-23 15:20:29,223 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:20:29,224 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:20:29,225 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 15:20:29,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:20:29,230 INFO L85 PathProgramCache]: Analyzing trace with hash -634708793, now seen corresponding path program 1 times [2022-11-23 15:20:29,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:20:29,242 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512457529] [2022-11-23 15:20:29,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:20:29,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:20:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:20:29,542 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-23 15:20:29,542 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:20:29,543 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [512457529] [2022-11-23 15:20:29,544 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [512457529] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:20:29,544 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:20:29,544 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:20:29,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084469340] [2022-11-23 15:20:29,547 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:20:29,551 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:20:29,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:20:29,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:20:29,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:20:29,582 INFO L87 Difference]: Start difference. First operand has 12 states, 6 states have (on average 1.5) internal successors, (9), 8 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:20:29,643 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:20:29,643 INFO L93 Difference]: Finished difference Result 21 states and 24 transitions. [2022-11-23 15:20:29,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:20:29,646 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 10 [2022-11-23 15:20:29,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:20:29,657 INFO L225 Difference]: With dead ends: 21 [2022-11-23 15:20:29,657 INFO L226 Difference]: Without dead ends: 17 [2022-11-23 15:20:29,660 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:20:29,668 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 3 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:20:29,669 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 21 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:20:29,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-23 15:20:29,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-23 15:20:29,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 10 states have (on average 1.2) internal successors, (12), 11 states have internal predecessors, (12), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-23 15:20:29,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 20 transitions. [2022-11-23 15:20:29,708 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 20 transitions. Word has length 10 [2022-11-23 15:20:29,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:20:29,710 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 20 transitions. [2022-11-23 15:20:29,710 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:20:29,710 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2022-11-23 15:20:29,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-23 15:20:29,711 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:20:29,711 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2022-11-23 15:20:29,712 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:20:29,712 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 15:20:29,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:20:29,713 INFO L85 PathProgramCache]: Analyzing trace with hash 156304133, now seen corresponding path program 1 times [2022-11-23 15:20:29,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:20:29,713 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291261822] [2022-11-23 15:20:29,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:20:29,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:20:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:20:29,981 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-23 15:20:29,981 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:20:29,982 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291261822] [2022-11-23 15:20:29,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291261822] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:20:29,983 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [27796104] [2022-11-23 15:20:29,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:20:29,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:20:29,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9c77ca-8f5a-49d9-afd0-8e58e9761014/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:20:29,991 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9c77ca-8f5a-49d9-afd0-8e58e9761014/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:20:30,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9c77ca-8f5a-49d9-afd0-8e58e9761014/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:20:30,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:20:30,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 15:20:30,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:20:30,226 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-23 15:20:30,226 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:20:30,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [27796104] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:20:30,231 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:20:30,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-23 15:20:30,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563804668] [2022-11-23 15:20:30,233 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:20:30,235 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:20:30,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:20:30,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:20:30,239 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:20:30,241 INFO L87 Difference]: Start difference. First operand 17 states and 20 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-23 15:20:30,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:20:30,327 INFO L93 Difference]: Finished difference Result 17 states and 20 transitions. [2022-11-23 15:20:30,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:20:30,329 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 20 [2022-11-23 15:20:30,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:20:30,330 INFO L225 Difference]: With dead ends: 17 [2022-11-23 15:20:30,330 INFO L226 Difference]: Without dead ends: 16 [2022-11-23 15:20:30,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-23 15:20:30,331 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 9 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:20:30,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 20 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:20:30,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2022-11-23 15:20:30,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2022-11-23 15:20:30,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 10 states have (on average 1.1) internal successors, (11), 10 states have internal predecessors, (11), 4 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-23 15:20:30,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 19 transitions. [2022-11-23 15:20:30,337 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 19 transitions. Word has length 20 [2022-11-23 15:20:30,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:20:30,338 INFO L495 AbstractCegarLoop]: Abstraction has 16 states and 19 transitions. [2022-11-23 15:20:30,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-23 15:20:30,338 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2022-11-23 15:20:30,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-23 15:20:30,344 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:20:30,344 INFO L195 NwaCegarLoop]: trace histogram [4, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1] [2022-11-23 15:20:30,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9c77ca-8f5a-49d9-afd0-8e58e9761014/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 15:20:30,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9c77ca-8f5a-49d9-afd0-8e58e9761014/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:20:30,550 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 15:20:30,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:20:30,550 INFO L85 PathProgramCache]: Analyzing trace with hash 550460898, now seen corresponding path program 1 times [2022-11-23 15:20:30,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:20:30,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [721234562] [2022-11-23 15:20:30,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:20:30,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:20:30,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:20:30,682 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-11-23 15:20:30,682 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:20:30,682 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [721234562] [2022-11-23 15:20:30,683 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [721234562] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:20:30,683 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:20:30,683 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:20:30,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020564516] [2022-11-23 15:20:30,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:20:30,684 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:20:30,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:20:30,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:20:30,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-23 15:20:30,687 INFO L87 Difference]: Start difference. First operand 16 states and 19 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-23 15:20:30,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:20:30,729 INFO L93 Difference]: Finished difference Result 16 states and 19 transitions. [2022-11-23 15:20:30,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:20:30,730 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 21 [2022-11-23 15:20:30,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:20:30,731 INFO L225 Difference]: With dead ends: 16 [2022-11-23 15:20:30,731 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 15:20:30,731 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-23 15:20:30,733 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:20:30,733 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 10 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 15:20:30,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 15:20:30,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 15:20:30,734 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) [2022-11-23 15:20:30,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 15:20:30,735 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 21 [2022-11-23 15:20:30,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:20:30,735 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 15:20:30,735 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-23 15:20:30,736 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 15:20:30,736 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 15:20:30,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-23 15:20:30,739 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-23 15:20:30,739 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:20:30,741 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 15:20:30,790 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2022-11-23 15:20:30,790 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 15:20:30,791 INFO L895 garLoopResultBuilder]: At program point L23(line 23) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 99999))) [2022-11-23 15:20:30,791 INFO L895 garLoopResultBuilder]: At program point L23-1(line 23) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 99999))) [2022-11-23 15:20:30,791 INFO L899 garLoopResultBuilder]: For program point L19-3(line 19) no Hoare annotation was computed. [2022-11-23 15:20:30,791 INFO L899 garLoopResultBuilder]: For program point L19-4(line 19) no Hoare annotation was computed. [2022-11-23 15:20:30,791 INFO L895 garLoopResultBuilder]: At program point L19-5(lines 19 33) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (<= 1 |ULTIMATE.start_main_~i~0#1|)) [2022-11-23 15:20:30,792 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2022-11-23 15:20:30,792 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 15:20:30,792 INFO L895 garLoopResultBuilder]: At program point L24(line 24) the Hoare annotation is: (or (= |ULTIMATE.start_main_~i~0#1| 0) (and (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 99999))) [2022-11-23 15:20:30,792 INFO L902 garLoopResultBuilder]: At program point assume_abort_if_notENTRY(lines 7 9) the Hoare annotation is: true [2022-11-23 15:20:30,792 INFO L899 garLoopResultBuilder]: For program point assume_abort_if_notEXIT(lines 7 9) no Hoare annotation was computed. [2022-11-23 15:20:30,796 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-23 15:20:30,798 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 15:20:30,817 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 03:20:30 BoogieIcfgContainer [2022-11-23 15:20:30,817 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 15:20:30,818 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 15:20:30,818 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 15:20:30,819 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 15:20:30,819 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:20:29" (3/4) ... [2022-11-23 15:20:30,823 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 15:20:30,829 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2022-11-23 15:20:30,838 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2022-11-23 15:20:30,838 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-11-23 15:20:30,839 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-23 15:20:30,839 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 15:20:30,877 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9c77ca-8f5a-49d9-afd0-8e58e9761014/bin/utaipan-Q6hlc19bkW/witness.graphml [2022-11-23 15:20:30,883 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 15:20:30,885 INFO L158 Benchmark]: Toolchain (without parser) took 2571.42ms. Allocated memory is still 138.4MB. Free memory was 97.5MB in the beginning and 58.8MB in the end (delta: 38.7MB). Peak memory consumption was 41.2MB. Max. memory is 16.1GB. [2022-11-23 15:20:30,885 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 138.4MB. Free memory was 111.6MB in the beginning and 111.4MB in the end (delta: 201.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:20:30,886 INFO L158 Benchmark]: CACSL2BoogieTranslator took 240.30ms. Allocated memory is still 138.4MB. Free memory was 97.0MB in the beginning and 86.6MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-23 15:20:30,886 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.44ms. Allocated memory is still 138.4MB. Free memory was 86.6MB in the beginning and 85.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 15:20:30,886 INFO L158 Benchmark]: Boogie Preprocessor took 48.82ms. Allocated memory is still 138.4MB. Free memory was 85.0MB in the beginning and 83.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 15:20:30,887 INFO L158 Benchmark]: RCFGBuilder took 478.60ms. Allocated memory is still 138.4MB. Free memory was 83.9MB in the beginning and 71.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-23 15:20:30,887 INFO L158 Benchmark]: TraceAbstraction took 1694.01ms. Allocated memory is still 138.4MB. Free memory was 70.8MB in the beginning and 61.7MB in the end (delta: 9.1MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. [2022-11-23 15:20:30,887 INFO L158 Benchmark]: Witness Printer took 65.80ms. Allocated memory is still 138.4MB. Free memory was 61.7MB in the beginning and 58.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 15:20:30,889 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 138.4MB. Free memory was 111.6MB in the beginning and 111.4MB in the end (delta: 201.8kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 240.30ms. Allocated memory is still 138.4MB. Free memory was 97.0MB in the beginning and 86.6MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.44ms. Allocated memory is still 138.4MB. Free memory was 86.6MB in the beginning and 85.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.82ms. Allocated memory is still 138.4MB. Free memory was 85.0MB in the beginning and 83.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 478.60ms. Allocated memory is still 138.4MB. Free memory was 83.9MB in the beginning and 71.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1694.01ms. Allocated memory is still 138.4MB. Free memory was 70.8MB in the beginning and 61.7MB in the end (delta: 9.1MB). Peak memory consumption was 9.7MB. Max. memory is 16.1GB. * Witness Printer took 65.80ms. Allocated memory is still 138.4MB. Free memory was 61.7MB in the beginning and 58.8MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: 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 2 procedures, 12 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 3, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 14 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14 mSDsluCounter, 51 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 31 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 59 IncrementalHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 20 mSDtfsCounter, 59 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred in iteration=1, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 5 LocationsWithAnnotation, 8 PreInvPairs, 12 NumberOfFragments, 41 HoareAnnotationTreeSize, 8 FomulaSimplifications, 28 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 71 NumberOfCodeBlocks, 71 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 67 ConstructedInterpolants, 0 QuantifiedInterpolants, 131 SizeOfPredicates, 2 NumberOfNonLiveVariables, 94 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 49/54 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: i == 0 || 1 <= i - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: i == 0 || (1 <= i && i <= 99999) RESULT: Ultimate proved your program to be correct! [2022-11-23 15:20:30,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ce9c77ca-8f5a-49d9-afd0-8e58e9761014/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE