./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_04_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- 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_cdabd483-5997-4e1e-9235-d22f8be2be24/bin/utaipan-ByfvJB40ur/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdabd483-5997-4e1e-9235-d22f8be2be24/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_cdabd483-5997-4e1e-9235-d22f8be2be24/bin/utaipan-ByfvJB40ur/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdabd483-5997-4e1e-9235-d22f8be2be24/bin/utaipan-ByfvJB40ur/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_04_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdabd483-5997-4e1e-9235-d22f8be2be24/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdabd483-5997-4e1e-9235-d22f8be2be24/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 64bit --witnessprinter.graph.data.programhash a816139e02016fe056c5459527ca2767af0001b662ebf5d3a67caf49a45a776f --- 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 [2022-11-25 23:54:49,494 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 23:54:49,496 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 23:54:49,530 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 23:54:49,535 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 23:54:49,537 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 23:54:49,541 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 23:54:49,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 23:54:49,548 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 23:54:49,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 23:54:49,554 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 23:54:49,556 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 23:54:49,557 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 23:54:49,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 23:54:49,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 23:54:49,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 23:54:49,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 23:54:49,570 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 23:54:49,572 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 23:54:49,574 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 23:54:49,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 23:54:49,578 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 23:54:49,580 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 23:54:49,581 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 23:54:49,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 23:54:49,588 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 23:54:49,589 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 23:54:49,590 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 23:54:49,591 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 23:54:49,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 23:54:49,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 23:54:49,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 23:54:49,594 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 23:54:49,596 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 23:54:49,597 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 23:54:49,597 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 23:54:49,598 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 23:54:49,599 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 23:54:49,599 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 23:54:49,600 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 23:54:49,601 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 23:54:49,602 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdabd483-5997-4e1e-9235-d22f8be2be24/bin/utaipan-ByfvJB40ur/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-25 23:54:49,628 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 23:54:49,628 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 23:54:49,629 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 23:54:49,629 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 23:54:49,630 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 23:54:49,631 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 23:54:49,631 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-25 23:54:49,631 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-25 23:54:49,631 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-25 23:54:49,632 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-25 23:54:49,632 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-25 23:54:49,632 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-25 23:54:49,633 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-25 23:54:49,633 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-25 23:54:49,633 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-25 23:54:49,633 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-25 23:54:49,634 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-25 23:54:49,634 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-25 23:54:49,635 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 23:54:49,635 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 23:54:49,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 23:54:49,636 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 23:54:49,636 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 23:54:49,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 23:54:49,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 23:54:49,637 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 23:54:49,637 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 23:54:49,637 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 23:54:49,638 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 23:54:49,638 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 23:54:49,638 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 23:54:49,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:54:49,639 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 23:54:49,639 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-25 23:54:49,639 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 23:54:49,639 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 23:54:49,640 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-25 23:54:49,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 23:54:49,640 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 23:54:49,641 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-25 23:54:49,641 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_cdabd483-5997-4e1e-9235-d22f8be2be24/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdabd483-5997-4e1e-9235-d22f8be2be24/bin/utaipan-ByfvJB40ur Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a816139e02016fe056c5459527ca2767af0001b662ebf5d3a67caf49a45a776f [2022-11-25 23:54:49,931 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 23:54:49,965 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 23:54:49,968 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 23:54:49,969 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 23:54:49,970 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 23:54:49,971 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdabd483-5997-4e1e-9235-d22f8be2be24/bin/utaipan-ByfvJB40ur/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_04_good.i [2022-11-25 23:54:53,255 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 23:54:53,593 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 23:54:53,594 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdabd483-5997-4e1e-9235-d22f8be2be24/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_min_postdec_04_good.i [2022-11-25 23:54:53,617 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdabd483-5997-4e1e-9235-d22f8be2be24/bin/utaipan-ByfvJB40ur/data/5265f0960/6e9876db9d624eea9c80a0cee3416bd6/FLAG533b0611a [2022-11-25 23:54:53,646 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdabd483-5997-4e1e-9235-d22f8be2be24/bin/utaipan-ByfvJB40ur/data/5265f0960/6e9876db9d624eea9c80a0cee3416bd6 [2022-11-25 23:54:53,651 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 23:54:53,654 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 23:54:53,660 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 23:54:53,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 23:54:53,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 23:54:53,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:54:53" (1/1) ... [2022-11-25 23:54:53,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bde0409 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:54:53, skipping insertion in model container [2022-11-25 23:54:53,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 11:54:53" (1/1) ... [2022-11-25 23:54:53,680 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 23:54:53,782 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 23:54:54,397 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:54:55,152 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:54:55,163 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:54:55,168 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:54:55,172 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:54:55,174 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:54:55,221 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:54:55,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:54:55,238 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 23:54:55,283 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 23:54:55,403 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 23:54:55,405 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:54:55,406 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 23:54:55,410 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:54:55,411 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 23:54:55,420 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 23:54:55,421 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 23:54:55,543 INFO L208 MainTranslator]: Completed translation [2022-11-25 23:54:55,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:54:55 WrapperNode [2022-11-25 23:54:55,544 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 23:54:55,545 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 23:54:55,545 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 23:54:55,545 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 23:54:55,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:54:55" (1/1) ... [2022-11-25 23:54:55,579 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:54:55" (1/1) ... [2022-11-25 23:54:55,633 INFO L138 Inliner]: procedures = 503, calls = 69, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 91 [2022-11-25 23:54:55,634 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 23:54:55,635 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 23:54:55,635 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 23:54:55,635 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 23:54:55,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:54:55" (1/1) ... [2022-11-25 23:54:55,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:54:55" (1/1) ... [2022-11-25 23:54:55,663 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:54:55" (1/1) ... [2022-11-25 23:54:55,664 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:54:55" (1/1) ... [2022-11-25 23:54:55,669 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:54:55" (1/1) ... [2022-11-25 23:54:55,682 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:54:55" (1/1) ... [2022-11-25 23:54:55,684 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:54:55" (1/1) ... [2022-11-25 23:54:55,685 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:54:55" (1/1) ... [2022-11-25 23:54:55,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 23:54:55,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 23:54:55,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 23:54:55,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 23:54:55,696 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:54:55" (1/1) ... [2022-11-25 23:54:55,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 23:54:55,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdabd483-5997-4e1e-9235-d22f8be2be24/bin/utaipan-ByfvJB40ur/z3 [2022-11-25 23:54:55,741 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdabd483-5997-4e1e-9235-d22f8be2be24/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 23:54:55,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdabd483-5997-4e1e-9235-d22f8be2be24/bin/utaipan-ByfvJB40ur/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 23:54:55,791 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-25 23:54:55,791 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-25 23:54:55,791 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 23:54:55,792 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 23:54:55,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 23:54:55,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 23:54:55,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 23:54:55,792 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 23:54:55,792 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 23:54:55,977 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 23:54:55,979 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 23:54:56,223 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 23:54:56,306 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 23:54:56,306 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 23:54:56,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:54:56 BoogieIcfgContainer [2022-11-25 23:54:56,314 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 23:54:56,317 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 23:54:56,317 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 23:54:56,321 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 23:54:56,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 11:54:53" (1/3) ... [2022-11-25 23:54:56,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe0eac0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:54:56, skipping insertion in model container [2022-11-25 23:54:56,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 11:54:55" (2/3) ... [2022-11-25 23:54:56,325 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe0eac0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 11:54:56, skipping insertion in model container [2022-11-25 23:54:56,325 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:54:56" (3/3) ... [2022-11-25 23:54:56,326 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_min_postdec_04_good.i [2022-11-25 23:54:56,351 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 23:54:56,352 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-25 23:54:56,404 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 23:54:56,409 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;@785a57cc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 23:54:56,410 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-25 23:54:56,415 INFO L276 IsEmpty]: Start isEmpty. Operand has 45 states, 24 states have (on average 1.625) internal successors, (39), 39 states have internal predecessors, (39), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-25 23:54:56,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-25 23:54:56,424 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:54:56,425 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:54:56,425 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 23:54:56,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:54:56,432 INFO L85 PathProgramCache]: Analyzing trace with hash 877752540, now seen corresponding path program 1 times [2022-11-25 23:54:56,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:54:56,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206420454] [2022-11-25 23:54:56,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:54:56,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:54:56,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:54:56,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:54:56,739 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:54:56,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206420454] [2022-11-25 23:54:56,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1206420454] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:54:56,741 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:54:56,741 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 23:54:56,743 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105019670] [2022-11-25 23:54:56,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:54:56,749 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:54:56,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:54:56,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:54:56,797 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:54:56,800 INFO L87 Difference]: Start difference. First operand has 45 states, 24 states have (on average 1.625) internal successors, (39), 39 states have internal predecessors, (39), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:54:56,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:54:56,897 INFO L93 Difference]: Finished difference Result 45 states and 59 transitions. [2022-11-25 23:54:56,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:54:56,900 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 8 [2022-11-25 23:54:56,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:54:56,911 INFO L225 Difference]: With dead ends: 45 [2022-11-25 23:54:56,911 INFO L226 Difference]: Without dead ends: 39 [2022-11-25 23:54:56,915 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 [2022-11-25 23:54:56,922 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 2 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:54:56,923 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 93 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:54:56,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-25 23:54:56,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-25 23:54:56,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 22 states have (on average 1.5454545454545454) internal successors, (34), 34 states have internal predecessors, (34), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-25 23:54:56,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 50 transitions. [2022-11-25 23:54:56,980 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 50 transitions. Word has length 8 [2022-11-25 23:54:56,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:54:56,982 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 50 transitions. [2022-11-25 23:54:56,982 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:54:56,983 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2022-11-25 23:54:56,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-25 23:54:56,984 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:54:56,985 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:54:56,985 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 23:54:56,986 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 23:54:56,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:54:56,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1440525027, now seen corresponding path program 1 times [2022-11-25 23:54:56,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:54:56,989 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312207335] [2022-11-25 23:54:56,989 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:54:56,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:54:57,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:54:57,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 23:54:57,236 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:54:57,236 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1312207335] [2022-11-25 23:54:57,237 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1312207335] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:54:57,237 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:54:57,237 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 23:54:57,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062819744] [2022-11-25 23:54:57,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:54:57,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:54:57,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:54:57,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:54:57,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:54:57,241 INFO L87 Difference]: Start difference. First operand 39 states and 50 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:54:57,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:54:57,355 INFO L93 Difference]: Finished difference Result 67 states and 83 transitions. [2022-11-25 23:54:57,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:54:57,356 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2022-11-25 23:54:57,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:54:57,357 INFO L225 Difference]: With dead ends: 67 [2022-11-25 23:54:57,357 INFO L226 Difference]: Without dead ends: 35 [2022-11-25 23:54:57,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:54:57,359 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 57 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:54:57,360 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 34 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:54:57,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2022-11-25 23:54:57,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2022-11-25 23:54:57,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 35 states, 20 states have (on average 1.4) internal successors, (28), 28 states have internal predecessors, (28), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-25 23:54:57,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 42 transitions. [2022-11-25 23:54:57,369 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 42 transitions. Word has length 9 [2022-11-25 23:54:57,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:54:57,369 INFO L495 AbstractCegarLoop]: Abstraction has 35 states and 42 transitions. [2022-11-25 23:54:57,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 23:54:57,370 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2022-11-25 23:54:57,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 23:54:57,377 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:54:57,377 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:54:57,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 23:54:57,378 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 23:54:57,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:54:57,382 INFO L85 PathProgramCache]: Analyzing trace with hash -447876857, now seen corresponding path program 1 times [2022-11-25 23:54:57,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:54:57,383 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282984147] [2022-11-25 23:54:57,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:54:57,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:54:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:54:57,456 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:54:57,456 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:54:57,456 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282984147] [2022-11-25 23:54:57,457 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282984147] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:54:57,457 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:54:57,457 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:54:57,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890344218] [2022-11-25 23:54:57,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:54:57,458 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 23:54:57,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:54:57,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 23:54:57,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:54:57,460 INFO L87 Difference]: Start difference. First operand 35 states and 42 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 23:54:57,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:54:57,484 INFO L93 Difference]: Finished difference Result 62 states and 71 transitions. [2022-11-25 23:54:57,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 23:54:57,484 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 13 [2022-11-25 23:54:57,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:54:57,485 INFO L225 Difference]: With dead ends: 62 [2022-11-25 23:54:57,486 INFO L226 Difference]: Without dead ends: 33 [2022-11-25 23:54:57,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 23:54:57,488 INFO L413 NwaCegarLoop]: 28 mSDtfsCounter, 33 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:54:57,488 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 28 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:54:57,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2022-11-25 23:54:57,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2022-11-25 23:54:57,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 20 states have (on average 1.3) internal successors, (26), 26 states have internal predecessors, (26), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 23:54:57,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 36 transitions. [2022-11-25 23:54:57,496 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 36 transitions. Word has length 13 [2022-11-25 23:54:57,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:54:57,497 INFO L495 AbstractCegarLoop]: Abstraction has 33 states and 36 transitions. [2022-11-25 23:54:57,497 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 23:54:57,497 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 36 transitions. [2022-11-25 23:54:57,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 23:54:57,498 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:54:57,498 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:54:57,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 23:54:57,499 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 23:54:57,502 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:54:57,502 INFO L85 PathProgramCache]: Analyzing trace with hash 2098186078, now seen corresponding path program 1 times [2022-11-25 23:54:57,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:54:57,503 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555016230] [2022-11-25 23:54:57,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:54:57,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:54:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:54:57,659 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-25 23:54:57,659 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:54:57,660 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555016230] [2022-11-25 23:54:57,660 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1555016230] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:54:57,660 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:54:57,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:54:57,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2058613324] [2022-11-25 23:54:57,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:54:57,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-25 23:54:57,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:54:57,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-25 23:54:57,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:54:57,682 INFO L87 Difference]: Start difference. First operand 33 states and 36 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 23:54:57,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:54:57,752 INFO L93 Difference]: Finished difference Result 49 states and 51 transitions. [2022-11-25 23:54:57,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:54:57,752 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2022-11-25 23:54:57,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:54:57,753 INFO L225 Difference]: With dead ends: 49 [2022-11-25 23:54:57,754 INFO L226 Difference]: Without dead ends: 28 [2022-11-25 23:54:57,754 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:54:57,756 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 54 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 23:54:57,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 25 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 23:54:57,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-11-25 23:54:57,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-11-25 23:54:57,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 21 states have internal predecessors, (21), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-25 23:54:57,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2022-11-25 23:54:57,765 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 14 [2022-11-25 23:54:57,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:54:57,765 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2022-11-25 23:54:57,765 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-25 23:54:57,766 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2022-11-25 23:54:57,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-25 23:54:57,766 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:54:57,767 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:54:57,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 23:54:57,767 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 23:54:57,768 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:54:57,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1007154927, now seen corresponding path program 1 times [2022-11-25 23:54:57,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:54:57,769 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581811286] [2022-11-25 23:54:57,769 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:54:57,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:54:57,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:54:57,841 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-25 23:54:57,841 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:54:57,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581811286] [2022-11-25 23:54:57,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581811286] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:54:57,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:54:57,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:54:57,843 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636197406] [2022-11-25 23:54:57,843 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:54:57,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:54:57,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:54:57,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:54:57,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:54:57,845 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 23:54:57,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:54:57,885 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2022-11-25 23:54:57,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:54:57,886 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 20 [2022-11-25 23:54:57,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:54:57,887 INFO L225 Difference]: With dead ends: 28 [2022-11-25 23:54:57,887 INFO L226 Difference]: Without dead ends: 27 [2022-11-25 23:54:57,887 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:54:57,889 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 5 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 51 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:54:57,889 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 51 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:54:57,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-25 23:54:57,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-11-25 23:54:57,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 18 states have (on average 1.1111111111111112) internal successors, (20), 20 states have internal predecessors, (20), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-25 23:54:57,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 28 transitions. [2022-11-25 23:54:57,896 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 28 transitions. Word has length 20 [2022-11-25 23:54:57,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:54:57,897 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 28 transitions. [2022-11-25 23:54:57,897 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 23:54:57,897 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 28 transitions. [2022-11-25 23:54:57,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-25 23:54:57,898 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:54:57,898 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:54:57,899 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 23:54:57,899 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 23:54:57,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:54:57,900 INFO L85 PathProgramCache]: Analyzing trace with hash 1157031773, now seen corresponding path program 1 times [2022-11-25 23:54:57,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:54:57,900 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627900910] [2022-11-25 23:54:57,905 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:54:57,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:54:57,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:54:57,997 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-25 23:54:57,998 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:54:57,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627900910] [2022-11-25 23:54:57,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627900910] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:54:57,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:54:57,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-25 23:54:58,005 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083184934] [2022-11-25 23:54:58,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:54:58,005 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 23:54:58,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:54:58,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 23:54:58,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 23:54:58,007 INFO L87 Difference]: Start difference. First operand 27 states and 28 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 23:54:58,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:54:58,070 INFO L93 Difference]: Finished difference Result 27 states and 28 transitions. [2022-11-25 23:54:58,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 23:54:58,071 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 21 [2022-11-25 23:54:58,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:54:58,072 INFO L225 Difference]: With dead ends: 27 [2022-11-25 23:54:58,072 INFO L226 Difference]: Without dead ends: 26 [2022-11-25 23:54:58,072 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-25 23:54:58,074 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 7 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:54:58,074 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 46 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:54:58,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-11-25 23:54:58,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-11-25 23:54:58,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 18 states have (on average 1.0555555555555556) internal successors, (19), 19 states have internal predecessors, (19), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-25 23:54:58,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2022-11-25 23:54:58,082 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 21 [2022-11-25 23:54:58,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:54:58,082 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2022-11-25 23:54:58,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 23:54:58,083 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2022-11-25 23:54:58,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-25 23:54:58,091 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:54:58,091 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:54:58,091 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 23:54:58,092 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 23:54:58,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:54:58,092 INFO L85 PathProgramCache]: Analyzing trace with hash 968745942, now seen corresponding path program 1 times [2022-11-25 23:54:58,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:54:58,095 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519827657] [2022-11-25 23:54:58,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:54:58,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:54:58,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:54:58,328 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-25 23:54:58,328 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:54:58,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519827657] [2022-11-25 23:54:58,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519827657] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:54:58,330 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:54:58,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:54:58,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218915576] [2022-11-25 23:54:58,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:54:58,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 23:54:58,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:54:58,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 23:54:58,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:54:58,333 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-25 23:54:58,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:54:58,411 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2022-11-25 23:54:58,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:54:58,411 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 27 [2022-11-25 23:54:58,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:54:58,415 INFO L225 Difference]: With dead ends: 26 [2022-11-25 23:54:58,415 INFO L226 Difference]: Without dead ends: 25 [2022-11-25 23:54:58,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:54:58,421 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 24 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:54:58,423 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 45 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:54:58,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-25 23:54:58,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-11-25 23:54:58,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 18 states have (on average 1.0) internal successors, (18), 18 states have internal predecessors, (18), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-11-25 23:54:58,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2022-11-25 23:54:58,440 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 27 [2022-11-25 23:54:58,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:54:58,441 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2022-11-25 23:54:58,442 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-25 23:54:58,442 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2022-11-25 23:54:58,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-25 23:54:58,443 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 23:54:58,443 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:54:58,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-25 23:54:58,443 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 23:54:58,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 23:54:58,444 INFO L85 PathProgramCache]: Analyzing trace with hash -33646744, now seen corresponding path program 1 times [2022-11-25 23:54:58,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-25 23:54:58,444 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938568140] [2022-11-25 23:54:58,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 23:54:58,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 23:54:58,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 23:54:58,596 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-25 23:54:58,596 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-25 23:54:58,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938568140] [2022-11-25 23:54:58,600 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938568140] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 23:54:58,601 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 23:54:58,601 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 23:54:58,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617930105] [2022-11-25 23:54:58,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 23:54:58,602 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 23:54:58,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-25 23:54:58,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 23:54:58,614 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-25 23:54:58,615 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-25 23:54:58,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 23:54:58,657 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2022-11-25 23:54:58,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-25 23:54:58,657 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 28 [2022-11-25 23:54:58,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 23:54:58,658 INFO L225 Difference]: With dead ends: 25 [2022-11-25 23:54:58,658 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 23:54:58,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-25 23:54:58,659 INFO L413 NwaCegarLoop]: 15 mSDtfsCounter, 14 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 23:54:58,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 45 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 23:54:58,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 23:54:58,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 23:54:58,661 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) [2022-11-25 23:54:58,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 23:54:58,662 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2022-11-25 23:54:58,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 23:54:58,662 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 23:54:58,662 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.6) internal successors, (18), 6 states have internal predecessors, (18), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-11-25 23:54:58,662 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 23:54:58,663 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 23:54:58,665 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-25 23:54:58,666 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-25 23:54:58,666 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-25 23:54:58,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-25 23:54:58,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-25 23:54:58,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-25 23:54:58,667 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-25 23:54:58,668 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-25 23:54:58,668 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-25 23:54:58,670 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 23:54:58,728 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-25 23:54:58,728 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 23:54:58,729 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 23:54:58,729 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-25 23:54:58,729 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1588) no Hoare annotation was computed. [2022-11-25 23:54:58,729 INFO L899 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2022-11-25 23:54:58,729 INFO L899 garLoopResultBuilder]: For program point L1588-1(line 1588) no Hoare annotation was computed. [2022-11-25 23:54:58,730 INFO L895 garLoopResultBuilder]: At program point L1646(line 1646) the Hoare annotation is: (and (= ~STATIC_CONST_TRUE~0 1) (= ~STATIC_CONST_FALSE~0 0)) [2022-11-25 23:54:58,730 INFO L899 garLoopResultBuilder]: For program point L1646-1(line 1646) no Hoare annotation was computed. [2022-11-25 23:54:58,730 INFO L899 garLoopResultBuilder]: For program point L1613(line 1613) no Hoare annotation was computed. [2022-11-25 23:54:58,730 INFO L899 garLoopResultBuilder]: For program point L1613-1(line 1613) no Hoare annotation was computed. [2022-11-25 23:54:58,730 INFO L899 garLoopResultBuilder]: For program point L1580-2(lines 1577 1597) no Hoare annotation was computed. [2022-11-25 23:54:58,731 INFO L899 garLoopResultBuilder]: For program point L1576(lines 1576 1597) no Hoare annotation was computed. [2022-11-25 23:54:58,731 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1630) no Hoare annotation was computed. [2022-11-25 23:54:58,731 INFO L895 garLoopResultBuilder]: At program point L1572(line 1572) the Hoare annotation is: (and (= ~STATIC_CONST_TRUE~0 1) (= ~STATIC_CONST_FALSE~0 0) (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648) 0)) [2022-11-25 23:54:58,731 INFO L899 garLoopResultBuilder]: For program point L1572-1(lines 1558 1574) no Hoare annotation was computed. [2022-11-25 23:54:58,731 INFO L895 garLoopResultBuilder]: At program point L1568(line 1568) the Hoare annotation is: false [2022-11-25 23:54:58,732 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2022-11-25 23:54:58,732 INFO L899 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2022-11-25 23:54:58,732 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 23:54:58,732 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1613) no Hoare annotation was computed. [2022-11-25 23:54:58,732 INFO L899 garLoopResultBuilder]: For program point L1630-1(line 1630) no Hoare annotation was computed. [2022-11-25 23:54:58,733 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1573) no Hoare annotation was computed. [2022-11-25 23:54:58,733 INFO L895 garLoopResultBuilder]: At program point L1560(line 1560) the Hoare annotation is: false [2022-11-25 23:54:58,733 INFO L899 garLoopResultBuilder]: For program point L1602(lines 1602 1609) no Hoare annotation was computed. [2022-11-25 23:54:58,733 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1566) no Hoare annotation was computed. [2022-11-25 23:54:58,733 INFO L899 garLoopResultBuilder]: For program point L1602-1(lines 1599 1618) no Hoare annotation was computed. [2022-11-25 23:54:58,733 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 23:54:58,734 INFO L899 garLoopResultBuilder]: For program point L1598(lines 1598 1618) no Hoare annotation was computed. [2022-11-25 23:54:58,734 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1613) no Hoare annotation was computed. [2022-11-25 23:54:58,734 INFO L895 garLoopResultBuilder]: At program point L1594(line 1594) the Hoare annotation is: (and (= ~STATIC_CONST_TRUE~0 1) (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648) 0) (= ~STATIC_CONST_FALSE~0 0) (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648) 0)) [2022-11-25 23:54:58,734 INFO L895 garLoopResultBuilder]: At program point L1590(line 1590) the Hoare annotation is: false [2022-11-25 23:54:58,734 INFO L899 garLoopResultBuilder]: For program point L1623-2(lines 1620 1635) no Hoare annotation was computed. [2022-11-25 23:54:58,735 INFO L899 garLoopResultBuilder]: For program point L1619(lines 1619 1635) no Hoare annotation was computed. [2022-11-25 23:54:58,735 INFO L899 garLoopResultBuilder]: For program point L1586(lines 1586 1595) no Hoare annotation was computed. [2022-11-25 23:54:58,735 INFO L902 garLoopResultBuilder]: At program point L1648(line 1648) the Hoare annotation is: true [2022-11-25 23:54:58,735 INFO L895 garLoopResultBuilder]: At program point L1615(line 1615) the Hoare annotation is: (and (= ~STATIC_CONST_TRUE~0 1) (<= (+ |ULTIMATE.start_goodB2G2_~data~1#1| 2147483648) 0) (= ~STATIC_CONST_FALSE~0 0) (<= (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|) 0) (<= (+ |ULTIMATE.start_goodB2G1_~data~0#1| 2147483648) 0)) [2022-11-25 23:54:58,735 INFO L902 garLoopResultBuilder]: At program point L1648-1(line 1648) the Hoare annotation is: true [2022-11-25 23:54:58,736 INFO L902 garLoopResultBuilder]: At program point L1632(line 1632) the Hoare annotation is: true [2022-11-25 23:54:58,736 INFO L899 garLoopResultBuilder]: For program point L1566(line 1566) no Hoare annotation was computed. [2022-11-25 23:54:58,736 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1588) no Hoare annotation was computed. [2022-11-25 23:54:58,736 INFO L899 garLoopResultBuilder]: For program point L1566-1(line 1566) no Hoare annotation was computed. [2022-11-25 23:54:58,736 INFO L899 garLoopResultBuilder]: For program point L1554-2(lines 1551 1575) no Hoare annotation was computed. [2022-11-25 23:54:58,737 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1630) no Hoare annotation was computed. [2022-11-25 23:54:58,737 INFO L895 garLoopResultBuilder]: At program point L1604(line 1604) the Hoare annotation is: false [2022-11-25 23:54:58,740 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 23:54:58,743 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 23:54:58,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 11:54:58 BoogieIcfgContainer [2022-11-25 23:54:58,751 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 23:54:58,752 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 23:54:58,752 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 23:54:58,753 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 23:54:58,753 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 11:54:56" (3/4) ... [2022-11-25 23:54:58,756 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 23:54:58,762 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-25 23:54:58,763 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-25 23:54:58,768 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-11-25 23:54:58,768 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-25 23:54:58,769 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-25 23:54:58,769 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 23:54:58,811 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdabd483-5997-4e1e-9235-d22f8be2be24/bin/utaipan-ByfvJB40ur/witness.graphml [2022-11-25 23:54:58,811 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 23:54:58,812 INFO L158 Benchmark]: Toolchain (without parser) took 5158.55ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 106.0MB in the beginning and 135.2MB in the end (delta: -29.2MB). Peak memory consumption was 2.8MB. Max. memory is 16.1GB. [2022-11-25 23:54:58,812 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 111.1MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 23:54:58,813 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1883.90ms. Allocated memory is still 153.1MB. Free memory was 105.7MB in the beginning and 84.3MB in the end (delta: 21.4MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2022-11-25 23:54:58,813 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.44ms. Allocated memory is still 153.1MB. Free memory was 84.3MB in the beginning and 81.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 23:54:58,813 INFO L158 Benchmark]: Boogie Preprocessor took 59.10ms. Allocated memory is still 153.1MB. Free memory was 81.4MB in the beginning and 79.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:54:58,814 INFO L158 Benchmark]: RCFGBuilder took 619.42ms. Allocated memory is still 153.1MB. Free memory was 79.3MB in the beginning and 116.6MB in the end (delta: -37.3MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2022-11-25 23:54:58,814 INFO L158 Benchmark]: TraceAbstraction took 2434.84ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 115.6MB in the beginning and 139.4MB in the end (delta: -23.8MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2022-11-25 23:54:58,815 INFO L158 Benchmark]: Witness Printer took 59.27ms. Allocated memory is still 184.5MB. Free memory was 138.3MB in the beginning and 135.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 23:54:58,817 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 111.1MB. Free memory is still 86.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1883.90ms. Allocated memory is still 153.1MB. Free memory was 105.7MB in the beginning and 84.3MB in the end (delta: 21.4MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.44ms. Allocated memory is still 153.1MB. Free memory was 84.3MB in the beginning and 81.4MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.10ms. Allocated memory is still 153.1MB. Free memory was 81.4MB in the beginning and 79.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 619.42ms. Allocated memory is still 153.1MB. Free memory was 79.3MB in the beginning and 116.6MB in the end (delta: -37.3MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2434.84ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 115.6MB in the beginning and 139.4MB in the end (delta: -23.8MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Witness Printer took 59.27ms. Allocated memory is still 184.5MB. Free memory was 138.3MB in the beginning and 135.2MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1566]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1588]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1588]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1613]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1613]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1630]: 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 3 procedures, 45 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 197 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 196 mSDsluCounter, 367 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 183 mSDsCounter, 38 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 162 IncrementalHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 38 mSolverCounterUnsat, 184 mSDtfsCounter, 162 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=45occurred in iteration=0, InterpolantAutomatonStates: 32, 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, 8 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 29 PreInvPairs, 31 NumberOfFragments, 67 HoareAnnotationTreeSize, 29 FomulaSimplifications, 32 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 36 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 140 NumberOfCodeBlocks, 140 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 132 ConstructedInterpolants, 0 QuantifiedInterpolants, 322 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 28/28 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1648]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-25 23:54:58,843 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cdabd483-5997-4e1e-9235-d22f8be2be24/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