./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/array-examples/standard_init7_ground-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a 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_e76f7184-d1e1-4d69-96b2-254b8c26ae72/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f7184-d1e1-4d69-96b2-254b8c26ae72/bin/utaipan-ByfvJB40ur/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f7184-d1e1-4d69-96b2-254b8c26ae72/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f7184-d1e1-4d69-96b2-254b8c26ae72/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/array-examples/standard_init7_ground-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f7184-d1e1-4d69-96b2-254b8c26ae72/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f7184-d1e1-4d69-96b2-254b8c26ae72/bin/utaipan-ByfvJB40ur --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 095ff128d46790285bc3a18356d3bb4884a680aceaaaa262887ebe8922b6a30f --- 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-38b53e6 [2022-11-26 00:13:05,299 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-26 00:13:05,301 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-26 00:13:05,347 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-26 00:13:05,348 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-26 00:13:05,352 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-26 00:13:05,354 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-26 00:13:05,358 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-26 00:13:05,360 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-26 00:13:05,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-26 00:13:05,368 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-26 00:13:05,370 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-26 00:13:05,371 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-26 00:13:05,373 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-26 00:13:05,376 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-26 00:13:05,378 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-26 00:13:05,380 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-26 00:13:05,381 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-26 00:13:05,383 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-26 00:13:05,390 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-26 00:13:05,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-26 00:13:05,395 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-26 00:13:05,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-26 00:13:05,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-26 00:13:05,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-26 00:13:05,409 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-26 00:13:05,410 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-26 00:13:05,412 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-26 00:13:05,413 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-26 00:13:05,415 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-26 00:13:05,415 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-26 00:13:05,416 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-26 00:13:05,418 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-26 00:13:05,419 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-26 00:13:05,422 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-26 00:13:05,422 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-26 00:13:05,423 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-26 00:13:05,423 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-26 00:13:05,424 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-26 00:13:05,426 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-26 00:13:05,427 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-26 00:13:05,428 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f7184-d1e1-4d69-96b2-254b8c26ae72/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-26 00:13:05,474 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-26 00:13:05,474 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-26 00:13:05,475 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-26 00:13:05,476 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-26 00:13:05,477 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-26 00:13:05,477 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-26 00:13:05,477 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-26 00:13:05,477 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-26 00:13:05,478 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-26 00:13:05,478 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-26 00:13:05,479 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-26 00:13:05,479 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-26 00:13:05,480 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-26 00:13:05,480 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-26 00:13:05,480 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-26 00:13:05,481 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-26 00:13:05,481 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-26 00:13:05,481 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-26 00:13:05,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-26 00:13:05,482 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-26 00:13:05,483 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-26 00:13:05,483 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-26 00:13:05,483 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-26 00:13:05,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-26 00:13:05,484 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-26 00:13:05,484 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-26 00:13:05,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-26 00:13:05,484 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-26 00:13:05,485 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-26 00:13:05,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-26 00:13:05,485 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-26 00:13:05,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-26 00:13:05,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-26 00:13:05,486 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-26 00:13:05,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:13:05,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-26 00:13:05,487 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-26 00:13:05,487 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-26 00:13:05,488 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-26 00:13:05,488 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-26 00:13:05,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-26 00:13:05,488 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-26 00:13:05,489 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-26 00:13:05,489 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_e76f7184-d1e1-4d69-96b2-254b8c26ae72/bin/utaipan-ByfvJB40ur/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f7184-d1e1-4d69-96b2-254b8c26ae72/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 095ff128d46790285bc3a18356d3bb4884a680aceaaaa262887ebe8922b6a30f [2022-11-26 00:13:05,825 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-26 00:13:05,864 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-26 00:13:05,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-26 00:13:05,868 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-26 00:13:05,869 INFO L275 PluginConnector]: CDTParser initialized [2022-11-26 00:13:05,870 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f7184-d1e1-4d69-96b2-254b8c26ae72/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/array-examples/standard_init7_ground-2.i [2022-11-26 00:13:09,007 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-26 00:13:09,259 INFO L351 CDTParser]: Found 1 translation units. [2022-11-26 00:13:09,260 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f7184-d1e1-4d69-96b2-254b8c26ae72/sv-benchmarks/c/array-examples/standard_init7_ground-2.i [2022-11-26 00:13:09,267 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f7184-d1e1-4d69-96b2-254b8c26ae72/bin/utaipan-ByfvJB40ur/data/22aa3ca6b/54e022bfb8c64179bb031379bfed581a/FLAG82f7365d8 [2022-11-26 00:13:09,284 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f7184-d1e1-4d69-96b2-254b8c26ae72/bin/utaipan-ByfvJB40ur/data/22aa3ca6b/54e022bfb8c64179bb031379bfed581a [2022-11-26 00:13:09,287 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-26 00:13:09,289 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-26 00:13:09,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-26 00:13:09,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-26 00:13:09,295 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-26 00:13:09,296 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:13:09" (1/1) ... [2022-11-26 00:13:09,297 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b379aef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:09, skipping insertion in model container [2022-11-26 00:13:09,298 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:13:09" (1/1) ... [2022-11-26 00:13:09,307 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-26 00:13:09,330 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-26 00:13:09,523 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_e76f7184-d1e1-4d69-96b2-254b8c26ae72/sv-benchmarks/c/array-examples/standard_init7_ground-2.i[816,829] [2022-11-26 00:13:09,543 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:13:09,553 INFO L203 MainTranslator]: Completed pre-run [2022-11-26 00:13:09,567 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_e76f7184-d1e1-4d69-96b2-254b8c26ae72/sv-benchmarks/c/array-examples/standard_init7_ground-2.i[816,829] [2022-11-26 00:13:09,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-26 00:13:09,592 INFO L208 MainTranslator]: Completed translation [2022-11-26 00:13:09,592 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:09 WrapperNode [2022-11-26 00:13:09,592 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-26 00:13:09,594 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-26 00:13:09,594 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-26 00:13:09,594 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-26 00:13:09,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:09" (1/1) ... [2022-11-26 00:13:09,611 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:09" (1/1) ... [2022-11-26 00:13:09,631 INFO L138 Inliner]: procedures = 15, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 98 [2022-11-26 00:13:09,631 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-26 00:13:09,632 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-26 00:13:09,632 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-26 00:13:09,633 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-26 00:13:09,642 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:09" (1/1) ... [2022-11-26 00:13:09,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:09" (1/1) ... [2022-11-26 00:13:09,645 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:09" (1/1) ... [2022-11-26 00:13:09,645 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:09" (1/1) ... [2022-11-26 00:13:09,651 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:09" (1/1) ... [2022-11-26 00:13:09,657 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:09" (1/1) ... [2022-11-26 00:13:09,658 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:09" (1/1) ... [2022-11-26 00:13:09,659 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:09" (1/1) ... [2022-11-26 00:13:09,661 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-26 00:13:09,662 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-26 00:13:09,662 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-26 00:13:09,662 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-26 00:13:09,663 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:09" (1/1) ... [2022-11-26 00:13:09,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-26 00:13:09,696 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f7184-d1e1-4d69-96b2-254b8c26ae72/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:13:09,728 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f7184-d1e1-4d69-96b2-254b8c26ae72/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-26 00:13:09,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f7184-d1e1-4d69-96b2-254b8c26ae72/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-26 00:13:09,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-26 00:13:09,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-26 00:13:09,770 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-26 00:13:09,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-26 00:13:09,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-26 00:13:09,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-26 00:13:09,771 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-26 00:13:09,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-26 00:13:09,854 INFO L235 CfgBuilder]: Building ICFG [2022-11-26 00:13:09,856 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-26 00:13:10,081 INFO L276 CfgBuilder]: Performing block encoding [2022-11-26 00:13:10,214 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-26 00:13:10,215 INFO L300 CfgBuilder]: Removed 8 assume(true) statements. [2022-11-26 00:13:10,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:13:10 BoogieIcfgContainer [2022-11-26 00:13:10,218 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-26 00:13:10,221 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-26 00:13:10,221 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-26 00:13:10,225 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-26 00:13:10,225 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:13:09" (1/3) ... [2022-11-26 00:13:10,226 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c6e467 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:13:10, skipping insertion in model container [2022-11-26 00:13:10,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:13:09" (2/3) ... [2022-11-26 00:13:10,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51c6e467 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:13:10, skipping insertion in model container [2022-11-26 00:13:10,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:13:10" (3/3) ... [2022-11-26 00:13:10,245 INFO L112 eAbstractionObserver]: Analyzing ICFG standard_init7_ground-2.i [2022-11-26 00:13:10,281 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-26 00:13:10,281 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2022-11-26 00:13:10,366 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-26 00:13:10,377 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;@c0057f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-26 00:13:10,379 INFO L358 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-11-26 00:13:10,385 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) [2022-11-26 00:13:10,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2022-11-26 00:13:10,394 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:13:10,396 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1] [2022-11-26 00:13:10,397 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-26 00:13:10,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:13:10,407 INFO L85 PathProgramCache]: Analyzing trace with hash 178138, now seen corresponding path program 1 times [2022-11-26 00:13:10,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:13:10,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853446982] [2022-11-26 00:13:10,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:13:10,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:13:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:13:10,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:13:10,658 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:13:10,659 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853446982] [2022-11-26 00:13:10,659 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853446982] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:13:10,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:13:10,660 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-26 00:13:10,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881025793] [2022-11-26 00:13:10,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:13:10,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:13:10,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:13:10,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:13:10,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:13:10,709 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 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-26 00:13:10,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:13:10,984 INFO L93 Difference]: Finished difference Result 101 states and 133 transitions. [2022-11-26 00:13:10,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:13:11,000 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2022-11-26 00:13:11,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:13:11,011 INFO L225 Difference]: With dead ends: 101 [2022-11-26 00:13:11,012 INFO L226 Difference]: Without dead ends: 62 [2022-11-26 00:13:11,015 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:13:11,023 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 13 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:13:11,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 22 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:13:11,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2022-11-26 00:13:11,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2022-11-26 00:13:11,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 46 states have (on average 1.5) internal successors, (69), 61 states have internal predecessors, (69), 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) [2022-11-26 00:13:11,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 69 transitions. [2022-11-26 00:13:11,088 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 69 transitions. Word has length 3 [2022-11-26 00:13:11,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:13:11,089 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 69 transitions. [2022-11-26 00:13:11,090 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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) [2022-11-26 00:13:11,093 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 69 transitions. [2022-11-26 00:13:11,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-26 00:13:11,094 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:13:11,094 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2022-11-26 00:13:11,095 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-26 00:13:11,095 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)] === [2022-11-26 00:13:11,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:13:11,096 INFO L85 PathProgramCache]: Analyzing trace with hash 1011986421, now seen corresponding path program 1 times [2022-11-26 00:13:11,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:13:11,097 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1514701642] [2022-11-26 00:13:11,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:13:11,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:13:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:13:11,220 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:13:11,221 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:13:11,221 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1514701642] [2022-11-26 00:13:11,221 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1514701642] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:13:11,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [456425528] [2022-11-26 00:13:11,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:13:11,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:13:11,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f7184-d1e1-4d69-96b2-254b8c26ae72/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:13:11,227 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f7184-d1e1-4d69-96b2-254b8c26ae72/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:13:11,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f7184-d1e1-4d69-96b2-254b8c26ae72/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-26 00:13:11,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:13:11,298 INFO L263 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:13:11,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:13:11,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-26 00:13:11,354 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-26 00:13:11,354 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [456425528] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:13:11,354 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-26 00:13:11,355 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3 [2022-11-26 00:13:11,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202745933] [2022-11-26 00:13:11,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:13:11,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-26 00:13:11,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:13:11,358 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-26 00:13:11,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:13:11,359 INFO L87 Difference]: Start difference. First operand 62 states and 69 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2022-11-26 00:13:11,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:13:11,502 INFO L93 Difference]: Finished difference Result 62 states and 69 transitions. [2022-11-26 00:13:11,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-26 00:13:11,502 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2022-11-26 00:13:11,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:13:11,504 INFO L225 Difference]: With dead ends: 62 [2022-11-26 00:13:11,504 INFO L226 Difference]: Without dead ends: 55 [2022-11-26 00:13:11,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-26 00:13:11,506 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 38 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 97 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:13:11,506 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 4 Invalid, 97 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:13:11,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-11-26 00:13:11,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2022-11-26 00:13:11,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 54 states have internal predecessors, (62), 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) [2022-11-26 00:13:11,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 62 transitions. [2022-11-26 00:13:11,522 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 62 transitions. Word has length 6 [2022-11-26 00:13:11,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:13:11,522 INFO L495 AbstractCegarLoop]: Abstraction has 55 states and 62 transitions. [2022-11-26 00:13:11,523 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 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) [2022-11-26 00:13:11,523 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2022-11-26 00:13:11,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-26 00:13:11,523 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:13:11,524 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1] [2022-11-26 00:13:11,536 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f7184-d1e1-4d69-96b2-254b8c26ae72/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-26 00:13:11,729 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f7184-d1e1-4d69-96b2-254b8c26ae72/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:13:11,730 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-26 00:13:11,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:13:11,730 INFO L85 PathProgramCache]: Analyzing trace with hash 1306808024, now seen corresponding path program 1 times [2022-11-26 00:13:11,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:13:11,731 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [122639397] [2022-11-26 00:13:11,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:13:11,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:13:11,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:13:11,831 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-26 00:13:11,832 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:13:11,832 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [122639397] [2022-11-26 00:13:11,832 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [122639397] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:13:11,832 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-26 00:13:11,833 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-26 00:13:11,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712022146] [2022-11-26 00:13:11,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:13:11,833 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-26 00:13:11,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:13:11,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-26 00:13:11,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:13:11,835 INFO L87 Difference]: Start difference. First operand 55 states and 62 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2022-11-26 00:13:11,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:13:11,948 INFO L93 Difference]: Finished difference Result 55 states and 62 transitions. [2022-11-26 00:13:11,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-26 00:13:11,949 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2022-11-26 00:13:11,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:13:11,968 INFO L225 Difference]: With dead ends: 55 [2022-11-26 00:13:11,968 INFO L226 Difference]: Without dead ends: 48 [2022-11-26 00:13:11,968 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-26 00:13:11,970 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 12 mSDsluCounter, 4 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-26 00:13:11,971 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 8 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-26 00:13:11,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-11-26 00:13:11,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 34. [2022-11-26 00:13:11,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 32 states have (on average 1.28125) internal successors, (41), 33 states have internal predecessors, (41), 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) [2022-11-26 00:13:11,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 41 transitions. [2022-11-26 00:13:11,981 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 41 transitions. Word has length 7 [2022-11-26 00:13:11,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:13:11,981 INFO L495 AbstractCegarLoop]: Abstraction has 34 states and 41 transitions. [2022-11-26 00:13:11,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2022-11-26 00:13:11,982 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2022-11-26 00:13:11,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-26 00:13:11,983 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:13:11,983 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:13:11,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-26 00:13:11,983 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-26 00:13:11,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:13:11,984 INFO L85 PathProgramCache]: Analyzing trace with hash 754035917, now seen corresponding path program 1 times [2022-11-26 00:13:11,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:13:11,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038552830] [2022-11-26 00:13:11,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:13:11,985 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:13:12,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:13:12,204 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-26 00:13:12,204 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:13:12,204 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038552830] [2022-11-26 00:13:12,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038552830] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:13:12,207 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1679713803] [2022-11-26 00:13:12,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:13:12,208 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:13:12,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f7184-d1e1-4d69-96b2-254b8c26ae72/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:13:12,215 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f7184-d1e1-4d69-96b2-254b8c26ae72/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:13:12,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f7184-d1e1-4d69-96b2-254b8c26ae72/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-26 00:13:12,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:13:12,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:13:12,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:13:12,383 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-26 00:13:12,383 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:13:12,411 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-26 00:13:12,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1679713803] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:13:12,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [167443418] [2022-11-26 00:13:12,434 INFO L159 IcfgInterpreter]: Started Sifa with 25 locations of interest [2022-11-26 00:13:12,435 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:13:12,439 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:13:12,445 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:13:12,446 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:13:12,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:12,631 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-26 00:13:12,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2022-11-26 00:13:12,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:12,676 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:13:12,677 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-26 00:13:12,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:12,711 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-26 00:13:12,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:12,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:12,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2022-11-26 00:13:12,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:12,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:12,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:12,940 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-26 00:13:12,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:12,951 INFO L321 Elim1Store]: treesize reduction 34, result has 2.9 percent of original size [2022-11-26 00:13:12,952 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 5 case distinctions, treesize of input 200 treesize of output 191 [2022-11-26 00:13:13,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:13:13,159 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:13:13,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:13,176 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-26 00:13:13,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:13,239 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-26 00:13:13,240 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 1 case distinctions, treesize of input 74 treesize of output 67 [2022-11-26 00:13:13,278 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:13:13,314 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:13:13,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:13,329 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-26 00:13:13,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:13,370 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-26 00:13:13,371 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 1 case distinctions, treesize of input 74 treesize of output 67 [2022-11-26 00:13:13,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:13:13,469 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:13:13,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:13:13,515 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2022-11-26 00:13:13,554 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 72 [2022-11-26 00:13:13,580 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:13:13,612 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:13:13,630 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2022-11-26 00:13:13,660 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 72 [2022-11-26 00:13:13,691 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:13:13,728 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:13:13,786 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-26 00:13:13,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 55 [2022-11-26 00:13:13,829 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:13:13,844 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:13:13,864 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 54 [2022-11-26 00:13:13,905 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:13:13,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:13:13,953 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:13:13,975 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:13:13,982 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:13:14,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [167443418] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:13:14,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:13:14,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [3, 3, 3] total 14 [2022-11-26 00:13:14,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390936796] [2022-11-26 00:13:14,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:13:14,520 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-26 00:13:14,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:13:14,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-26 00:13:14,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2022-11-26 00:13:14,521 INFO L87 Difference]: Start difference. First operand 34 states and 41 transitions. Second operand has 10 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 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) [2022-11-26 00:13:14,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:13:14,807 INFO L93 Difference]: Finished difference Result 39 states and 46 transitions. [2022-11-26 00:13:14,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-26 00:13:14,808 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 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 31 [2022-11-26 00:13:14,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:13:14,809 INFO L225 Difference]: With dead ends: 39 [2022-11-26 00:13:14,809 INFO L226 Difference]: Without dead ends: 37 [2022-11-26 00:13:14,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 67 SyntacticMatches, 14 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=69, Invalid=203, Unknown=0, NotChecked=0, Total=272 [2022-11-26 00:13:14,810 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 19 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-26 00:13:14,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 11 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-26 00:13:14,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2022-11-26 00:13:14,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2022-11-26 00:13:14,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37 states, 35 states have (on average 1.2571428571428571) 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) [2022-11-26 00:13:14,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 44 transitions. [2022-11-26 00:13:14,823 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 44 transitions. Word has length 31 [2022-11-26 00:13:14,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:13:14,823 INFO L495 AbstractCegarLoop]: Abstraction has 37 states and 44 transitions. [2022-11-26 00:13:14,825 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 3.4444444444444446) internal successors, (31), 9 states have internal predecessors, (31), 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) [2022-11-26 00:13:14,825 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 44 transitions. [2022-11-26 00:13:14,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-26 00:13:14,826 INFO L187 NwaCegarLoop]: Found error trace [2022-11-26 00:13:14,826 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-26 00:13:14,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f7184-d1e1-4d69-96b2-254b8c26ae72/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-26 00:13:15,032 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f7184-d1e1-4d69-96b2-254b8c26ae72/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:13:15,034 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2022-11-26 00:13:15,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-26 00:13:15,034 INFO L85 PathProgramCache]: Analyzing trace with hash 805218698, now seen corresponding path program 1 times [2022-11-26 00:13:15,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-26 00:13:15,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993692804] [2022-11-26 00:13:15,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:13:15,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-26 00:13:15,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:13:15,199 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-26 00:13:15,199 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-26 00:13:15,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993692804] [2022-11-26 00:13:15,199 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993692804] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-26 00:13:15,199 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039912130] [2022-11-26 00:13:15,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-26 00:13:15,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:13:15,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f7184-d1e1-4d69-96b2-254b8c26ae72/bin/utaipan-ByfvJB40ur/z3 [2022-11-26 00:13:15,202 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f7184-d1e1-4d69-96b2-254b8c26ae72/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-26 00:13:15,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f7184-d1e1-4d69-96b2-254b8c26ae72/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-26 00:13:15,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-26 00:13:15,289 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-26 00:13:15,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-26 00:13:15,341 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-26 00:13:15,341 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-26 00:13:15,366 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-26 00:13:15,366 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1039912130] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-26 00:13:15,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [764536434] [2022-11-26 00:13:15,373 INFO L159 IcfgInterpreter]: Started Sifa with 26 locations of interest [2022-11-26 00:13:15,374 INFO L166 IcfgInterpreter]: Building call graph [2022-11-26 00:13:15,374 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-26 00:13:15,374 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-26 00:13:15,375 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-26 00:13:15,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:15,482 INFO L321 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-26 00:13:15,483 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17 treesize of output 26 [2022-11-26 00:13:15,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:15,512 INFO L321 Elim1Store]: treesize reduction 18, result has 35.7 percent of original size [2022-11-26 00:13:15,513 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 5 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2022-11-26 00:13:15,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:15,536 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 4 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 32 [2022-11-26 00:13:15,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:15,569 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 5 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 47 [2022-11-26 00:13:15,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:15,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:15,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:15,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:15,644 INFO L321 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2022-11-26 00:13:15,645 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 8 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 205 treesize of output 196 [2022-11-26 00:13:15,686 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:13:15,715 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:13:15,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:15,726 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-26 00:13:15,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-26 00:13:15,753 INFO L321 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2022-11-26 00:13:15,754 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 1 case distinctions, treesize of input 74 treesize of output 67 [2022-11-26 00:13:15,774 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:13:15,798 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:13:15,808 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2022-11-26 00:13:15,830 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 72 [2022-11-26 00:13:15,855 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:13:15,873 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:13:15,891 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:13:15,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2022-11-26 00:13:15,926 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 72 [2022-11-26 00:13:15,972 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:13:16,012 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:13:16,024 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 27 [2022-11-26 00:13:16,050 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 79 treesize of output 72 [2022-11-26 00:13:16,076 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:13:16,105 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:13:16,133 INFO L321 Elim1Store]: treesize reduction 15, result has 46.4 percent of original size [2022-11-26 00:13:16,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 55 [2022-11-26 00:13:16,183 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:13:16,198 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:13:16,218 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 54 [2022-11-26 00:13:16,261 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:13:16,284 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:13:16,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:13:16,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-11-26 00:13:16,522 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-26 00:13:17,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [764536434] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-26 00:13:17,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-26 00:13:17,459 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [3, 3, 3] total 16 [2022-11-26 00:13:17,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175062167] [2022-11-26 00:13:17,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-26 00:13:17,460 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-11-26 00:13:17,460 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-26 00:13:17,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-11-26 00:13:17,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2022-11-26 00:13:17,461 INFO L87 Difference]: Start difference. First operand 37 states and 44 transitions. Second operand has 12 states, 11 states have (on average 3.0) internal successors, (33), 11 states have internal predecessors, (33), 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) [2022-11-26 00:13:18,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-26 00:13:18,726 INFO L93 Difference]: Finished difference Result 49 states and 56 transitions. [2022-11-26 00:13:18,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-11-26 00:13:18,726 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.0) internal successors, (33), 11 states have internal predecessors, (33), 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 34 [2022-11-26 00:13:18,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-26 00:13:18,727 INFO L225 Difference]: With dead ends: 49 [2022-11-26 00:13:18,727 INFO L226 Difference]: Without dead ends: 0 [2022-11-26 00:13:18,727 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 85 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=104, Invalid=402, Unknown=0, NotChecked=0, Total=506 [2022-11-26 00:13:18,728 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 26 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-26 00:13:18,729 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 0 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-26 00:13:18,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-26 00:13:18,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-26 00:13:18,729 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) [2022-11-26 00:13:18,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-26 00:13:18,730 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2022-11-26 00:13:18,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-26 00:13:18,730 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-26 00:13:18,730 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.0) internal successors, (33), 11 states have internal predecessors, (33), 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) [2022-11-26 00:13:18,730 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-26 00:13:18,730 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-26 00:13:18,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2022-11-26 00:13:18,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2022-11-26 00:13:18,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2022-11-26 00:13:18,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2022-11-26 00:13:18,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2022-11-26 00:13:18,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2022-11-26 00:13:18,734 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2022-11-26 00:13:18,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2022-11-26 00:13:18,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2022-11-26 00:13:18,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2022-11-26 00:13:18,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2022-11-26 00:13:18,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2022-11-26 00:13:18,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2022-11-26 00:13:18,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2022-11-26 00:13:18,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2022-11-26 00:13:18,736 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2022-11-26 00:13:18,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f7184-d1e1-4d69-96b2-254b8c26ae72/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-26 00:13:18,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f7184-d1e1-4d69-96b2-254b8c26ae72/bin/utaipan-ByfvJB40ur/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-26 00:13:18,943 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-26 00:13:19,790 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2022-11-26 00:13:19,790 INFO L895 garLoopResultBuilder]: At program point L27-2(lines 27 30) the Hoare annotation is: (let ((.cse0 (<= 0 |ULTIMATE.start_main_~#a~0#1.base|)) (.cse1 (= |ULTIMATE.start_main_~#a~0#1.offset| 0)) (.cse2 (= |#NULL.offset| 0)) (.cse3 (<= 0 |#StackHeapBarrier|)) (.cse4 (= |#NULL.base| 0))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 2147483647) .cse1 .cse2 .cse3 .cse4))) [2022-11-26 00:13:19,791 INFO L899 garLoopResultBuilder]: For program point L19(line 19) no Hoare annotation was computed. [2022-11-26 00:13:19,791 INFO L899 garLoopResultBuilder]: For program point L19-1(line 19) no Hoare annotation was computed. [2022-11-26 00:13:19,791 INFO L899 garLoopResultBuilder]: For program point L52-3(line 52) no Hoare annotation was computed. [2022-11-26 00:13:19,791 INFO L899 garLoopResultBuilder]: For program point L52-4(line 52) no Hoare annotation was computed. [2022-11-26 00:13:19,791 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2022-11-26 00:13:19,791 INFO L895 garLoopResultBuilder]: At program point L52-5(lines 52 54) the Hoare annotation is: (and (let ((.cse0 (<= 100000 |ULTIMATE.start_main_~i~0#1|)) (.cse1 (<= 0 |ULTIMATE.start_main_~#a~0#1.base|)) (.cse2 (<= 0 |ULTIMATE.start_main_~#a~0#1.offset|)) (.cse3 (<= |#NULL.offset| 0)) (.cse4 (<= |ULTIMATE.start_main_~#a~0#1.offset| 0)) (.cse5 (<= 0 |#NULL.offset|))) (or (and .cse0 .cse1 (<= |ULTIMATE.start_main_~x~0#1| 2147483647) .cse2 .cse3 (<= |ULTIMATE.start___VERIFIER_assert_~cond#1| 1) (<= 1 |ULTIMATE.start_main_~x~0#1|) .cse4 (<= |ULTIMATE.start___VERIFIER_assert_#in~cond#1| 1) (<= 0 |ULTIMATE.start___VERIFIER_assert_~cond#1|) (<= 0 |ULTIMATE.start___VERIFIER_assert_#in~cond#1|) .cse5) (and .cse0 (<= 0 |ULTIMATE.start_main_~x~0#1|) .cse1 .cse2 .cse3 .cse4 (<= |ULTIMATE.start_main_~x~0#1| 0) .cse5))) (<= |ULTIMATE.start_main_~i~0#1| 100000) (<= 0 |#StackHeapBarrier|) (= |#NULL.base| 0)) [2022-11-26 00:13:19,791 INFO L899 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2022-11-26 00:13:19,792 INFO L899 garLoopResultBuilder]: For program point L44-1(line 44) no Hoare annotation was computed. [2022-11-26 00:13:19,792 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2022-11-26 00:13:19,792 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2022-11-26 00:13:19,792 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-26 00:13:19,792 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2022-11-26 00:13:19,800 INFO L895 garLoopResultBuilder]: At program point L37-2(lines 37 40) the Hoare annotation is: (let ((.cse0 (<= 0 |ULTIMATE.start_main_~#a~0#1.base|)) (.cse1 (= |ULTIMATE.start_main_~#a~0#1.offset| 0)) (.cse2 (= |#NULL.offset| 0)) (.cse3 (<= 0 |#StackHeapBarrier|)) (.cse4 (= |#NULL.base| 0))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 (<= |ULTIMATE.start_main_~i~0#1| 100000) .cse3 .cse4) (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2022-11-26 00:13:19,800 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 19) no Hoare annotation was computed. [2022-11-26 00:13:19,801 INFO L899 garLoopResultBuilder]: For program point L29(line 29) no Hoare annotation was computed. [2022-11-26 00:13:19,801 INFO L899 garLoopResultBuilder]: For program point L29-1(line 29) no Hoare annotation was computed. [2022-11-26 00:13:19,801 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 39) no Hoare annotation was computed. [2022-11-26 00:13:19,804 INFO L895 garLoopResultBuilder]: At program point L22-2(lines 22 25) the Hoare annotation is: (let ((.cse0 (<= 0 |ULTIMATE.start_main_~#a~0#1.base|)) (.cse1 (= |ULTIMATE.start_main_~#a~0#1.offset| 0)) (.cse2 (= |#NULL.offset| 0)) (.cse3 (<= 0 |#StackHeapBarrier|)) (.cse4 (= |#NULL.base| 0))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 2147483647) .cse1 .cse2 .cse3 .cse4))) [2022-11-26 00:13:19,804 INFO L895 garLoopResultBuilder]: At program point L47-2(lines 47 50) the Hoare annotation is: (let ((.cse0 (<= 0 |ULTIMATE.start_main_~#a~0#1.base|)) (.cse1 (= |ULTIMATE.start_main_~#a~0#1.offset| 0)) (.cse2 (= |#NULL.offset| 0)) (.cse3 (<= 0 |#StackHeapBarrier|)) (.cse4 (= |#NULL.base| 0))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 (<= |ULTIMATE.start_main_~i~0#1| 100000) .cse3 .cse4) (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2022-11-26 00:13:19,805 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2022-11-26 00:13:19,805 INFO L899 garLoopResultBuilder]: For program point L39(line 39) no Hoare annotation was computed. [2022-11-26 00:13:19,805 INFO L899 garLoopResultBuilder]: For program point L39-1(line 39) no Hoare annotation was computed. [2022-11-26 00:13:19,805 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 44) no Hoare annotation was computed. [2022-11-26 00:13:19,805 INFO L895 garLoopResultBuilder]: At program point L32-2(lines 32 35) the Hoare annotation is: (let ((.cse0 (<= 0 |ULTIMATE.start_main_~#a~0#1.base|)) (.cse1 (= |ULTIMATE.start_main_~#a~0#1.offset| 0)) (.cse2 (= |#NULL.offset| 0)) (.cse3 (<= 0 |#StackHeapBarrier|)) (.cse4 (= |#NULL.base| 0))) (or (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 2147483647) .cse1 .cse2 .cse3 .cse4))) [2022-11-26 00:13:19,805 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2022-11-26 00:13:19,805 INFO L899 garLoopResultBuilder]: For program point L24(line 24) no Hoare annotation was computed. [2022-11-26 00:13:19,805 INFO L899 garLoopResultBuilder]: For program point L24-1(line 24) no Hoare annotation was computed. [2022-11-26 00:13:19,805 INFO L899 garLoopResultBuilder]: For program point L49(line 49) no Hoare annotation was computed. [2022-11-26 00:13:19,805 INFO L899 garLoopResultBuilder]: For program point L49-1(line 49) no Hoare annotation was computed. [2022-11-26 00:13:19,806 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW(line 49) no Hoare annotation was computed. [2022-11-26 00:13:19,806 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-26 00:13:19,806 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 29) no Hoare annotation was computed. [2022-11-26 00:13:19,806 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW(line 49) no Hoare annotation was computed. [2022-11-26 00:13:19,806 INFO L895 garLoopResultBuilder]: At program point L17-2(lines 17 20) the Hoare annotation is: (and (let ((.cse0 (= |ULTIMATE.start_main_~#a~0#1.offset| 0)) (.cse1 (= |#NULL.offset| 0)) (.cse2 (= |#NULL.base| 0))) (or (and (<= 0 |ULTIMATE.start_main_~#a~0#1.base|) (<= 1 |ULTIMATE.start_main_~i~0#1|) (<= |ULTIMATE.start_main_~i~0#1| 2147483647) .cse0 .cse1 .cse2) (let ((.cse3 (select |#memory_int| 1))) (and (= |ULTIMATE.start_main_~i~0#1| 0) (< |#StackHeapBarrier| |ULTIMATE.start_main_~#a~0#1.base|) (= 26 (select |#length| 2)) (= 2 (select |#length| 1)) (= 400000 (select |#length| |ULTIMATE.start_main_~#a~0#1.base|)) (= (select |#valid| 1) 1) .cse0 (= (select |#valid| |ULTIMATE.start_main_~#a~0#1.base|) 1) (= (select |#valid| 0) 0) (= (select |#valid| 2) 1) .cse1 (= (select .cse3 0) 48) (= (select .cse3 1) 0) (< 0 |#StackHeapBarrier|) .cse2)))) (<= 0 |#StackHeapBarrier|)) [2022-11-26 00:13:19,806 INFO L895 garLoopResultBuilder]: At program point L42-2(lines 42 45) the Hoare annotation is: (let ((.cse0 (<= 0 |ULTIMATE.start_main_~#a~0#1.base|)) (.cse1 (= |ULTIMATE.start_main_~#a~0#1.offset| 0)) (.cse2 (= |#NULL.offset| 0)) (.cse3 (<= 0 |#StackHeapBarrier|)) (.cse4 (= |#NULL.base| 0))) (or (and .cse0 (<= 1 |ULTIMATE.start_main_~i~0#1|) .cse1 .cse2 (<= |ULTIMATE.start_main_~i~0#1| 100000) .cse3 .cse4) (and (= |ULTIMATE.start_main_~i~0#1| 0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2022-11-26 00:13:19,806 INFO L899 garLoopResultBuilder]: For program point L34(line 34) no Hoare annotation was computed. [2022-11-26 00:13:19,807 INFO L899 garLoopResultBuilder]: For program point L34-1(line 34) no Hoare annotation was computed. [2022-11-26 00:13:19,807 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 24) no Hoare annotation was computed. [2022-11-26 00:13:19,807 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW(line 52) no Hoare annotation was computed. [2022-11-26 00:13:19,807 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) no Hoare annotation was computed. [2022-11-26 00:13:19,810 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-26 00:13:19,812 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-26 00:13:19,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:13:19 BoogieIcfgContainer [2022-11-26 00:13:19,869 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-26 00:13:19,870 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-26 00:13:19,870 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-26 00:13:19,870 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-26 00:13:19,871 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:13:10" (3/4) ... [2022-11-26 00:13:19,873 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-26 00:13:19,886 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2022-11-26 00:13:19,887 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-26 00:13:19,887 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-26 00:13:19,887 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-26 00:13:19,916 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((100000 <= i && 0 <= a) && x <= 2147483647) && 0 <= a) && #NULL <= 0) && cond <= 1) && 1 <= x) && a <= 0) && \old(cond) <= 1) && 0 <= cond) && 0 <= \old(cond)) && 0 <= #NULL) || (((((((100000 <= i && 0 <= x) && 0 <= a) && 0 <= a) && #NULL <= 0) && a <= 0) && x <= 0) && 0 <= #NULL)) && i <= 100000) && 0 <= unknown-#StackHeapBarrier-unknown) && #NULL == 0 [2022-11-26 00:13:19,937 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f7184-d1e1-4d69-96b2-254b8c26ae72/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-26 00:13:19,938 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-26 00:13:19,938 INFO L158 Benchmark]: Toolchain (without parser) took 10649.70ms. Allocated memory was 218.1MB in the beginning and 262.1MB in the end (delta: 44.0MB). Free memory was 184.0MB in the beginning and 172.7MB in the end (delta: 11.4MB). Peak memory consumption was 58.5MB. Max. memory is 16.1GB. [2022-11-26 00:13:19,938 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 155.2MB. Free memory is still 99.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:13:19,939 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.53ms. Allocated memory is still 218.1MB. Free memory was 183.2MB in the beginning and 172.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-26 00:13:19,939 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.06ms. Allocated memory is still 218.1MB. Free memory was 172.7MB in the beginning and 171.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:13:19,939 INFO L158 Benchmark]: Boogie Preprocessor took 29.16ms. Allocated memory is still 218.1MB. Free memory was 170.6MB in the beginning and 169.8MB in the end (delta: 803.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-26 00:13:19,939 INFO L158 Benchmark]: RCFGBuilder took 555.74ms. Allocated memory is still 218.1MB. Free memory was 169.8MB in the beginning and 153.9MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-26 00:13:19,940 INFO L158 Benchmark]: TraceAbstraction took 9648.47ms. Allocated memory was 218.1MB in the beginning and 262.1MB in the end (delta: 44.0MB). Free memory was 153.1MB in the beginning and 175.8MB in the end (delta: -22.8MB). Peak memory consumption was 122.4MB. Max. memory is 16.1GB. [2022-11-26 00:13:19,940 INFO L158 Benchmark]: Witness Printer took 67.97ms. Allocated memory is still 262.1MB. Free memory was 175.8MB in the beginning and 172.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-26 00:13:19,943 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 155.2MB. Free memory is still 99.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.53ms. Allocated memory is still 218.1MB. Free memory was 183.2MB in the beginning and 172.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.06ms. Allocated memory is still 218.1MB. Free memory was 172.7MB in the beginning and 171.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.16ms. Allocated memory is still 218.1MB. Free memory was 170.6MB in the beginning and 169.8MB in the end (delta: 803.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 555.74ms. Allocated memory is still 218.1MB. Free memory was 169.8MB in the beginning and 153.9MB in the end (delta: 16.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 9648.47ms. Allocated memory was 218.1MB in the beginning and 262.1MB in the end (delta: 44.0MB). Free memory was 153.1MB in the beginning and 175.8MB in the end (delta: -22.8MB). Peak memory consumption was 122.4MB. Max. memory is 16.1GB. * Witness Printer took 67.97ms. Allocated memory is still 262.1MB. Free memory was 175.8MB in the beginning and 172.7MB 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: 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 - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: 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: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 52]: 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: 9.5s, OverallIterations: 5, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 108 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 108 mSDsluCounter, 45 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 17 mSDsCounter, 95 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 686 IncrementalHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 95 mSolverCounterUnsat, 28 mSDtfsCounter, 686 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 215 GetRequests, 157 SyntacticMatches, 17 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=62occurred in iteration=1, 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, 5 MinimizatonAttempts, 14 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 23 NumberOfFragments, 417 HoareAnnotationTreeSize, 8 FomulaSimplifications, 96 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 1103 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 152 NumberOfCodeBlocks, 152 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 207 ConstructedInterpolants, 0 QuantifiedInterpolants, 283 SizeOfPredicates, 0 NumberOfNonLiveVariables, 318 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 10 InterpolantComputations, 3 PerfectInterpolantSequences, 47/55 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: 2.7s, ICFG_INTERPRETER_ENTERED_PROCEDURES: 2, DAG_INTERPRETER_EARLY_EXIT_QUERIES_NONTRIVIAL: 54, DAG_INTERPRETER_EARLY_EXITS: 0, TOOLS_POST_APPLICATIONS: 200, TOOLS_POST_TIME: 1.9s, 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: 200, TOOLS_QUANTIFIERELIM_TIME: 1.9s, TOOLS_QUANTIFIERELIM_MAX_TIME: 0.1s, FLUID_QUERY_TIME: 0.0s, FLUID_QUERIES: 358, FLUID_YES_ANSWERS: 0, DOMAIN_JOIN_APPLICATIONS: 26, DOMAIN_JOIN_TIME: 0.1s, DOMAIN_ALPHA_APPLICATIONS: 0, DOMAIN_ALPHA_TIME: 0.0s, DOMAIN_WIDEN_APPLICATIONS: 30, DOMAIN_WIDEN_TIME: 0.3s, DOMAIN_ISSUBSETEQ_APPLICATIONS: 45, DOMAIN_ISSUBSETEQ_TIME: 0.1s, DOMAIN_ISBOTTOM_APPLICATIONS: 54, DOMAIN_ISBOTTOM_TIME: 0.0s, LOOP_SUMMARIZER_APPLICATIONS: 15, LOOP_SUMMARIZER_CACHE_MISSES: 15, LOOP_SUMMARIZER_OVERALL_TIME: 1.7s, LOOP_SUMMARIZER_NEW_COMPUTATION_TIME: 1.7s, LOOP_SUMMARIZER_FIXPOINT_ITERATIONS: 45, 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: 0.2s, DAG_COMPRESSION_PROCESSED_NODES: 8767, DAG_COMPRESSION_RETAINED_NODES: 199, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: (((((i == 0 && 0 <= a) && a == 0) && #NULL == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && #NULL == 0) || ((((((0 <= a && 1 <= i) && i <= 2147483647) && a == 0) && #NULL == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && #NULL == 0) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((((((0 <= a && 1 <= i) && i <= 2147483647) && a == 0) && #NULL == 0) && #NULL == 0) || ((((((((((((((i == 0 && unknown-#StackHeapBarrier-unknown < a) && 26 == unknown-#length-unknown[2]) && 2 == unknown-#length-unknown[1]) && 400000 == unknown-#length-unknown[a]) && \valid[1] == 1) && a == 0) && \valid[a] == 1) && \valid[0] == 0) && \valid[2] == 1) && #NULL == 0) && unknown-#memory_int-unknown[1][0] == 48) && unknown-#memory_int-unknown[1][1] == 0) && 0 < unknown-#StackHeapBarrier-unknown) && #NULL == 0)) && 0 <= unknown-#StackHeapBarrier-unknown - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: ((((((0 <= a && 1 <= i) && a == 0) && #NULL == 0) && i <= 100000) && 0 <= unknown-#StackHeapBarrier-unknown) && #NULL == 0) || (((((i == 0 && 0 <= a) && a == 0) && #NULL == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && #NULL == 0) - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: ((((((0 <= a && 1 <= i) && a == 0) && #NULL == 0) && i <= 100000) && 0 <= unknown-#StackHeapBarrier-unknown) && #NULL == 0) || (((((i == 0 && 0 <= a) && a == 0) && #NULL == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && #NULL == 0) - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: ((((((0 <= a && 1 <= i) && a == 0) && #NULL == 0) && i <= 100000) && 0 <= unknown-#StackHeapBarrier-unknown) && #NULL == 0) || (((((i == 0 && 0 <= a) && a == 0) && #NULL == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && #NULL == 0) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: ((((((((((((((100000 <= i && 0 <= a) && x <= 2147483647) && 0 <= a) && #NULL <= 0) && cond <= 1) && 1 <= x) && a <= 0) && \old(cond) <= 1) && 0 <= cond) && 0 <= \old(cond)) && 0 <= #NULL) || (((((((100000 <= i && 0 <= x) && 0 <= a) && 0 <= a) && #NULL <= 0) && a <= 0) && x <= 0) && 0 <= #NULL)) && i <= 100000) && 0 <= unknown-#StackHeapBarrier-unknown) && #NULL == 0 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (((((i == 0 && 0 <= a) && a == 0) && #NULL == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && #NULL == 0) || ((((((0 <= a && 1 <= i) && i <= 2147483647) && a == 0) && #NULL == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && #NULL == 0) - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: (((((i == 0 && 0 <= a) && a == 0) && #NULL == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && #NULL == 0) || ((((((0 <= a && 1 <= i) && i <= 2147483647) && a == 0) && #NULL == 0) && 0 <= unknown-#StackHeapBarrier-unknown) && #NULL == 0) RESULT: Ultimate proved your program to be correct! [2022-11-26 00:13:19,984 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e76f7184-d1e1-4d69-96b2-254b8c26ae72/bin/utaipan-ByfvJB40ur/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