./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_22_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version b5237d83 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f95b52-3fcf-4e95-8167-c6d57894b13a/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f95b52-3fcf-4e95-8167-c6d57894b13a/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f95b52-3fcf-4e95-8167-c6d57894b13a/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f95b52-3fcf-4e95-8167-c6d57894b13a/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_22_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f95b52-3fcf-4e95-8167-c6d57894b13a/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f95b52-3fcf-4e95-8167-c6d57894b13a/bin/utaipan-g80aRyZoba --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 d24d2f1606c60be87505e0b370f89e0b53807d9808266d59952cb999b01c197b --- 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-b5237d8 [2022-11-22 01:43:58,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 01:43:58,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 01:43:58,151 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 01:43:58,151 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 01:43:58,155 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 01:43:58,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 01:43:58,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 01:43:58,167 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 01:43:58,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 01:43:58,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 01:43:58,179 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 01:43:58,180 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 01:43:58,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 01:43:58,185 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 01:43:58,187 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 01:43:58,189 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 01:43:58,190 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 01:43:58,192 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 01:43:58,201 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 01:43:58,203 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 01:43:58,205 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 01:43:58,207 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 01:43:58,208 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 01:43:58,217 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 01:43:58,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 01:43:58,219 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 01:43:58,221 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 01:43:58,221 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 01:43:58,223 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 01:43:58,224 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 01:43:58,225 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 01:43:58,227 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 01:43:58,228 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 01:43:58,229 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 01:43:58,230 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 01:43:58,230 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 01:43:58,231 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 01:43:58,231 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 01:43:58,232 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 01:43:58,251 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 01:43:58,252 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f95b52-3fcf-4e95-8167-c6d57894b13a/bin/utaipan-g80aRyZoba/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-22 01:43:58,293 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 01:43:58,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 01:43:58,294 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 01:43:58,294 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 01:43:58,295 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 01:43:58,295 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 01:43:58,295 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 01:43:58,295 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 01:43:58,296 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 01:43:58,296 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 01:43:58,296 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 01:43:58,296 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 01:43:58,296 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 01:43:58,297 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 01:43:58,297 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 01:43:58,297 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 01:43:58,297 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 01:43:58,297 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 01:43:58,298 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 01:43:58,298 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 01:43:58,300 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 01:43:58,300 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 01:43:58,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 01:43:58,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 01:43:58,301 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 01:43:58,301 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-22 01:43:58,301 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 01:43:58,301 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 01:43:58,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 01:43:58,302 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 01:43:58,302 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 01:43:58,302 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:43:58,302 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 01:43:58,302 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 01:43:58,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 01:43:58,303 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 01:43:58,303 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 01:43:58,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 01:43:58,303 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 01:43:58,303 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 01:43:58,304 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_27f95b52-3fcf-4e95-8167-c6d57894b13a/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f95b52-3fcf-4e95-8167-c6d57894b13a/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d24d2f1606c60be87505e0b370f89e0b53807d9808266d59952cb999b01c197b [2022-11-22 01:43:58,569 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 01:43:58,591 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 01:43:58,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 01:43:58,595 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 01:43:58,595 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 01:43:58,596 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f95b52-3fcf-4e95-8167-c6d57894b13a/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_22_good.i [2022-11-22 01:44:01,700 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 01:44:02,106 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 01:44:02,107 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f95b52-3fcf-4e95-8167-c6d57894b13a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_postdec_22_good.i [2022-11-22 01:44:02,137 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f95b52-3fcf-4e95-8167-c6d57894b13a/bin/utaipan-g80aRyZoba/data/216eb662b/419dc6ac93174a56beb4d4cdad5959ec/FLAGa8cda665e [2022-11-22 01:44:02,160 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f95b52-3fcf-4e95-8167-c6d57894b13a/bin/utaipan-g80aRyZoba/data/216eb662b/419dc6ac93174a56beb4d4cdad5959ec [2022-11-22 01:44:02,164 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 01:44:02,166 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 01:44:02,169 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 01:44:02,169 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 01:44:02,173 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 01:44:02,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:44:02" (1/1) ... [2022-11-22 01:44:02,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@559a606b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:02, skipping insertion in model container [2022-11-22 01:44:02,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:44:02" (1/1) ... [2022-11-22 01:44:02,184 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 01:44:02,258 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 01:44:02,637 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 01:44:03,188 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:44:03,199 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 01:44:03,219 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-22 01:44:03,311 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 01:44:03,519 INFO L208 MainTranslator]: Completed translation [2022-11-22 01:44:03,520 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:03 WrapperNode [2022-11-22 01:44:03,520 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 01:44:03,521 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 01:44:03,521 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 01:44:03,521 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 01:44:03,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:03" (1/1) ... [2022-11-22 01:44:03,550 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:03" (1/1) ... [2022-11-22 01:44:03,574 INFO L138 Inliner]: procedures = 505, calls = 78, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 95 [2022-11-22 01:44:03,575 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 01:44:03,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 01:44:03,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 01:44:03,576 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 01:44:03,588 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:03" (1/1) ... [2022-11-22 01:44:03,588 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:03" (1/1) ... [2022-11-22 01:44:03,591 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:03" (1/1) ... [2022-11-22 01:44:03,591 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:03" (1/1) ... [2022-11-22 01:44:03,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:03" (1/1) ... [2022-11-22 01:44:03,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:03" (1/1) ... [2022-11-22 01:44:03,602 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:03" (1/1) ... [2022-11-22 01:44:03,603 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:03" (1/1) ... [2022-11-22 01:44:03,605 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 01:44:03,606 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 01:44:03,606 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 01:44:03,607 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 01:44:03,607 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:03" (1/1) ... [2022-11-22 01:44:03,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 01:44:03,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f95b52-3fcf-4e95-8167-c6d57894b13a/bin/utaipan-g80aRyZoba/z3 [2022-11-22 01:44:03,638 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f95b52-3fcf-4e95-8167-c6d57894b13a/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 01:44:03,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f95b52-3fcf-4e95-8167-c6d57894b13a/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 01:44:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-22 01:44:03,690 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-22 01:44:03,690 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-22 01:44:03,690 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-22 01:44:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 01:44:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 01:44:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 01:44:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 01:44:03,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 01:44:03,691 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 01:44:03,692 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-22 01:44:03,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 01:44:03,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 01:44:03,847 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 01:44:03,849 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 01:44:04,034 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 01:44:04,088 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 01:44:04,088 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-22 01:44:04,091 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:44:04 BoogieIcfgContainer [2022-11-22 01:44:04,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 01:44:04,093 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 01:44:04,093 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 01:44:04,097 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 01:44:04,097 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:44:02" (1/3) ... [2022-11-22 01:44:04,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26aa4cd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:44:04, skipping insertion in model container [2022-11-22 01:44:04,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:44:03" (2/3) ... [2022-11-22 01:44:04,098 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@26aa4cd4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:44:04, skipping insertion in model container [2022-11-22 01:44:04,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:44:04" (3/3) ... [2022-11-22 01:44:04,100 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_postdec_22_good.i [2022-11-22 01:44:04,119 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 01:44:04,120 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-22 01:44:04,169 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 01:44:04,176 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;@7f9e684d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 01:44:04,176 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-22 01:44:04,180 INFO L276 IsEmpty]: Start isEmpty. Operand has 36 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 30 states have internal predecessors, (30), 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) [2022-11-22 01:44:04,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-22 01:44:04,188 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:44:04,193 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:44:04,203 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-22 01:44:04,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:44:04,209 INFO L85 PathProgramCache]: Analyzing trace with hash -1806253158, now seen corresponding path program 1 times [2022-11-22 01:44:04,219 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:44:04,220 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1166718200] [2022-11-22 01:44:04,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:04,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:44:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:44:04,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:44:04,805 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:44:04,805 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1166718200] [2022-11-22 01:44:04,806 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1166718200] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:44:04,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:44:04,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:44:04,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500959078] [2022-11-22 01:44:04,809 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:44:04,821 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:44:04,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:44:04,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:44:04,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:44:04,856 INFO L87 Difference]: Start difference. First operand has 36 states, 19 states have (on average 1.5789473684210527) internal successors, (30), 30 states have internal predecessors, (30), 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) Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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) [2022-11-22 01:44:04,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:44:04,950 INFO L93 Difference]: Finished difference Result 36 states and 46 transitions. [2022-11-22 01:44:04,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:44:04,953 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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 [2022-11-22 01:44:04,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:44:04,962 INFO L225 Difference]: With dead ends: 36 [2022-11-22 01:44:04,962 INFO L226 Difference]: Without dead ends: 30 [2022-11-22 01:44:04,965 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 [2022-11-22 01:44:04,969 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 25 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 01:44:04,970 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 74 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 01:44:04,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-11-22 01:44:05,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-11-22 01:44:05,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 25 states have internal predecessors, (25), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-22 01:44:05,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2022-11-22 01:44:05,013 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 8 [2022-11-22 01:44:05,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:44:05,015 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2022-11-22 01:44:05,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 4 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) [2022-11-22 01:44:05,015 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2022-11-22 01:44:05,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-22 01:44:05,017 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:44:05,017 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:44:05,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 01:44:05,018 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-22 01:44:05,019 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:44:05,019 INFO L85 PathProgramCache]: Analyzing trace with hash -159272993, now seen corresponding path program 1 times [2022-11-22 01:44:05,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:44:05,020 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1914362155] [2022-11-22 01:44:05,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:05,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:44:05,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:44:05,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 01:44:05,164 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:44:05,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1914362155] [2022-11-22 01:44:05,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1914362155] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:44:05,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:44:05,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:44:05,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724841128] [2022-11-22 01:44:05,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:44:05,168 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:44:05,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:44:05,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:44:05,171 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:44:05,171 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 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) [2022-11-22 01:44:05,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:44:05,212 INFO L93 Difference]: Finished difference Result 30 states and 37 transitions. [2022-11-22 01:44:05,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:44:05,213 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 [2022-11-22 01:44:05,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:44:05,214 INFO L225 Difference]: With dead ends: 30 [2022-11-22 01:44:05,216 INFO L226 Difference]: Without dead ends: 29 [2022-11-22 01:44:05,217 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 [2022-11-22 01:44:05,218 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 0 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:44:05,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 56 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:44:05,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-22 01:44:05,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-11-22 01:44:05,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 17 states have (on average 1.411764705882353) internal successors, (24), 24 states have internal predecessors, (24), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-22 01:44:05,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2022-11-22 01:44:05,230 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 36 transitions. Word has length 9 [2022-11-22 01:44:05,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:44:05,233 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 36 transitions. [2022-11-22 01:44:05,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2022-11-22 01:44:05,233 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2022-11-22 01:44:05,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-22 01:44:05,234 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:44:05,235 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:44:05,235 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 01:44:05,235 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-22 01:44:05,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:44:05,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1778749334, now seen corresponding path program 1 times [2022-11-22 01:44:05,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:44:05,237 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869729076] [2022-11-22 01:44:05,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:05,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:44:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:44:05,337 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 01:44:05,338 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:44:05,338 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869729076] [2022-11-22 01:44:05,338 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869729076] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:44:05,339 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:44:05,339 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:44:05,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2039377086] [2022-11-22 01:44:05,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:44:05,342 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:44:05,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:44:05,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:44:05,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:44:05,344 INFO L87 Difference]: Start difference. First operand 29 states and 36 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) [2022-11-22 01:44:05,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:44:05,383 INFO L93 Difference]: Finished difference Result 48 states and 56 transitions. [2022-11-22 01:44:05,383 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:44:05,383 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 [2022-11-22 01:44:05,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:44:05,387 INFO L225 Difference]: With dead ends: 48 [2022-11-22 01:44:05,387 INFO L226 Difference]: Without dead ends: 28 [2022-11-22 01:44:05,388 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 [2022-11-22 01:44:05,395 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 31 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:44:05,396 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 27 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:44:05,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-11-22 01:44:05,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-11-22 01:44:05,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 23 states have internal predecessors, (23), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-22 01:44:05,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions. [2022-11-22 01:44:05,405 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 33 transitions. Word has length 13 [2022-11-22 01:44:05,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:44:05,406 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 33 transitions. [2022-11-22 01:44:05,406 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) [2022-11-22 01:44:05,406 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2022-11-22 01:44:05,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-22 01:44:05,408 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:44:05,408 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:44:05,408 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-22 01:44:05,408 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-22 01:44:05,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:44:05,411 INFO L85 PathProgramCache]: Analyzing trace with hash -1595389117, now seen corresponding path program 1 times [2022-11-22 01:44:05,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:44:05,411 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056008309] [2022-11-22 01:44:05,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:05,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:44:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:44:05,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 01:44:05,640 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:44:05,640 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056008309] [2022-11-22 01:44:05,640 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2056008309] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:44:05,640 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:44:05,641 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:44:05,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194510458] [2022-11-22 01:44:05,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:44:05,641 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:44:05,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:44:05,642 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:44:05,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:44:05,643 INFO L87 Difference]: Start difference. First operand 28 states and 33 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 01:44:05,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:44:05,704 INFO L93 Difference]: Finished difference Result 28 states and 33 transitions. [2022-11-22 01:44:05,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:44:05,706 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 14 [2022-11-22 01:44:05,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:44:05,707 INFO L225 Difference]: With dead ends: 28 [2022-11-22 01:44:05,707 INFO L226 Difference]: Without dead ends: 27 [2022-11-22 01:44:05,707 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 [2022-11-22 01:44:05,708 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 12 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:44:05,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 58 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:44:05,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-22 01:44:05,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-11-22 01:44:05,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 22 states have internal predecessors, (22), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-22 01:44:05,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2022-11-22 01:44:05,714 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 14 [2022-11-22 01:44:05,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:44:05,714 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 32 transitions. [2022-11-22 01:44:05,714 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 01:44:05,719 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2022-11-22 01:44:05,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-22 01:44:05,720 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:44:05,720 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:44:05,720 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-22 01:44:05,721 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-22 01:44:05,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:44:05,721 INFO L85 PathProgramCache]: Analyzing trace with hash 2083014480, now seen corresponding path program 1 times [2022-11-22 01:44:05,721 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:44:05,722 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964116184] [2022-11-22 01:44:05,722 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:05,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:44:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:44:05,799 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 01:44:05,799 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:44:05,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964116184] [2022-11-22 01:44:05,799 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964116184] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:44:05,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:44:05,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:44:05,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308687882] [2022-11-22 01:44:05,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:44:05,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:44:05,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:44:05,801 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:44:05,801 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:44:05,801 INFO L87 Difference]: Start difference. First operand 27 states and 32 transitions. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 01:44:05,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:44:05,819 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2022-11-22 01:44:05,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:44:05,820 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2022-11-22 01:44:05,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:44:05,820 INFO L225 Difference]: With dead ends: 37 [2022-11-22 01:44:05,821 INFO L226 Difference]: Without dead ends: 31 [2022-11-22 01:44:05,821 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 [2022-11-22 01:44:05,822 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 17 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:44:05,822 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 37 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:44:05,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-11-22 01:44:05,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2022-11-22 01:44:05,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 23 states have internal predecessors, (23), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-22 01:44:05,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2022-11-22 01:44:05,829 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 15 [2022-11-22 01:44:05,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:44:05,829 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2022-11-22 01:44:05,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 01:44:05,830 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2022-11-22 01:44:05,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-22 01:44:05,830 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:44:05,830 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:44:05,831 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-22 01:44:05,831 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-22 01:44:05,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:44:05,831 INFO L85 PathProgramCache]: Analyzing trace with hash 2082545000, now seen corresponding path program 1 times [2022-11-22 01:44:05,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:44:05,832 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848125731] [2022-11-22 01:44:05,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:05,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:44:05,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:44:05,882 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-22 01:44:05,882 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:44:05,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1848125731] [2022-11-22 01:44:05,882 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1848125731] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:44:05,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:44:05,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-22 01:44:05,883 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115595896] [2022-11-22 01:44:05,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:44:05,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-22 01:44:05,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:44:05,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-22 01:44:05,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-22 01:44:05,884 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 01:44:05,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:44:05,903 INFO L93 Difference]: Finished difference Result 31 states and 33 transitions. [2022-11-22 01:44:05,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-22 01:44:05,903 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2022-11-22 01:44:05,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:44:05,904 INFO L225 Difference]: With dead ends: 31 [2022-11-22 01:44:05,904 INFO L226 Difference]: Without dead ends: 30 [2022-11-22 01:44:05,904 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 [2022-11-22 01:44:05,905 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 0 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:44:05,906 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 45 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:44:05,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-11-22 01:44:05,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-11-22 01:44:05,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 22 states have internal predecessors, (22), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-22 01:44:05,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2022-11-22 01:44:05,911 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 15 [2022-11-22 01:44:05,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:44:05,911 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2022-11-22 01:44:05,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-22 01:44:05,912 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2022-11-22 01:44:05,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-22 01:44:05,913 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:44:05,913 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:44:05,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-22 01:44:05,913 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-22 01:44:05,914 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:44:05,914 INFO L85 PathProgramCache]: Analyzing trace with hash -460243099, now seen corresponding path program 1 times [2022-11-22 01:44:05,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:44:05,914 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036859609] [2022-11-22 01:44:05,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:05,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:44:05,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:44:06,019 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-22 01:44:06,019 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:44:06,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036859609] [2022-11-22 01:44:06,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036859609] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:44:06,020 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:44:06,020 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:44:06,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [787332507] [2022-11-22 01:44:06,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:44:06,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:44:06,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:44:06,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:44:06,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:44:06,021 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-11-22 01:44:06,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:44:06,050 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2022-11-22 01:44:06,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:44:06,050 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 19 [2022-11-22 01:44:06,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:44:06,051 INFO L225 Difference]: With dead ends: 30 [2022-11-22 01:44:06,051 INFO L226 Difference]: Without dead ends: 29 [2022-11-22 01:44:06,051 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 [2022-11-22 01:44:06,052 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 5 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:44:06,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 63 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:44:06,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-22 01:44:06,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-11-22 01:44:06,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 19 states have (on average 1.105263157894737) internal successors, (21), 21 states have internal predecessors, (21), 5 states have call successors, (5), 4 states have call predecessors, (5), 4 states have return successors, (5), 3 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-22 01:44:06,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2022-11-22 01:44:06,058 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 19 [2022-11-22 01:44:06,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:44:06,058 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2022-11-22 01:44:06,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-11-22 01:44:06,058 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2022-11-22 01:44:06,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-22 01:44:06,059 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 01:44:06,059 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:44:06,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-22 01:44:06,060 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2022-11-22 01:44:06,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 01:44:06,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1382634088, now seen corresponding path program 1 times [2022-11-22 01:44:06,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 01:44:06,060 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582813023] [2022-11-22 01:44:06,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 01:44:06,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 01:44:06,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 01:44:06,138 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-22 01:44:06,138 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 01:44:06,138 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582813023] [2022-11-22 01:44:06,139 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582813023] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 01:44:06,139 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 01:44:06,139 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-22 01:44:06,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1559414122] [2022-11-22 01:44:06,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 01:44:06,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-22 01:44:06,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 01:44:06,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-22 01:44:06,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-22 01:44:06,140 INFO L87 Difference]: Start difference. First operand 29 states and 31 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) [2022-11-22 01:44:06,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 01:44:06,166 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2022-11-22 01:44:06,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-22 01:44:06,167 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 [2022-11-22 01:44:06,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 01:44:06,167 INFO L225 Difference]: With dead ends: 29 [2022-11-22 01:44:06,168 INFO L226 Difference]: Without dead ends: 0 [2022-11-22 01:44:06,168 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 [2022-11-22 01:44:06,169 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 2 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-22 01:44:06,169 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 63 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-22 01:44:06,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-22 01:44:06,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-22 01:44:06,170 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) [2022-11-22 01:44:06,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-22 01:44:06,170 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2022-11-22 01:44:06,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 01:44:06,170 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-22 01:44:06,170 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) [2022-11-22 01:44:06,170 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-22 01:44:06,170 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-22 01:44:06,173 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-11-22 01:44:06,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-11-22 01:44:06,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-11-22 01:44:06,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-11-22 01:44:06,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-11-22 01:44:06,174 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-11-22 01:44:06,175 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-22 01:44:06,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-22 01:44:06,223 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-22 01:44:06,223 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-22 01:44:06,223 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-22 01:44:06,223 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-22 01:44:06,223 INFO L899 garLoopResultBuilder]: For program point L1633(lines 1633 1640) no Hoare annotation was computed. [2022-11-22 01:44:06,224 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1621) no Hoare annotation was computed. [2022-11-22 01:44:06,224 INFO L899 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2022-11-22 01:44:06,224 INFO L899 garLoopResultBuilder]: For program point L1621-1(line 1621) no Hoare annotation was computed. [2022-11-22 01:44:06,224 INFO L899 garLoopResultBuilder]: For program point L1617(lines 1617 1629) no Hoare annotation was computed. [2022-11-22 01:44:06,224 INFO L895 garLoopResultBuilder]: At program point L1638(line 1638) the Hoare annotation is: (<= |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_postdec_22_goodB2G1Sink_~data#1| 2147483647) [2022-11-22 01:44:06,224 INFO L899 garLoopResultBuilder]: For program point L1605(line 1605) no Hoare annotation was computed. [2022-11-22 01:44:06,224 INFO L899 garLoopResultBuilder]: For program point L1605-1(line 1605) no Hoare annotation was computed. [2022-11-22 01:44:06,225 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1605) no Hoare annotation was computed. [2022-11-22 01:44:06,225 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-22 01:44:06,225 INFO L899 garLoopResultBuilder]: For program point L1597(lines 1597 1613) no Hoare annotation was computed. [2022-11-22 01:44:06,225 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1636) no Hoare annotation was computed. [2022-11-22 01:44:06,225 INFO L895 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: (<= |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_postdec_22_goodB2G1Sink_~data#1| 2147483647) [2022-11-22 01:44:06,225 INFO L895 garLoopResultBuilder]: At program point L1589-1(line 1589) the Hoare annotation is: (<= |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_postdec_22_goodB2G1Sink_~data#1| 2147483647) [2022-11-22 01:44:06,225 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1605) no Hoare annotation was computed. [2022-11-22 01:44:06,226 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-22 01:44:06,226 INFO L899 garLoopResultBuilder]: For program point L1631(lines 1631 1641) no Hoare annotation was computed. [2022-11-22 01:44:06,226 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1636) no Hoare annotation was computed. [2022-11-22 01:44:06,226 INFO L895 garLoopResultBuilder]: At program point L1627(line 1627) the Hoare annotation is: (and (<= |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_postdec_22_goodB2G1Sink_~data#1| 2147483647) (= ~CWE191_Integer_Underflow__int_fscanf_postdec_22_goodB2G1Global~0 0) (<= |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_postdec_22_goodB2G2Sink_~data#1| 2147483647) (= ~CWE191_Integer_Underflow__int_fscanf_postdec_22_goodB2G2Global~0 1)) [2022-11-22 01:44:06,226 INFO L895 garLoopResultBuilder]: At program point L1623(line 1623) the Hoare annotation is: (and (<= |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_postdec_22_goodB2G1Sink_~data#1| 2147483647) (= ~CWE191_Integer_Underflow__int_fscanf_postdec_22_goodB2G1Global~0 0) (<= |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_postdec_22_goodB2G2Sink_~data#1| 2147483647) (= ~CWE191_Integer_Underflow__int_fscanf_postdec_22_goodB2G2Global~0 1)) [2022-11-22 01:44:06,226 INFO L899 garLoopResultBuilder]: For program point L1619(lines 1619 1628) no Hoare annotation was computed. [2022-11-22 01:44:06,226 INFO L899 garLoopResultBuilder]: For program point L1615(lines 1615 1630) no Hoare annotation was computed. [2022-11-22 01:44:06,227 INFO L895 garLoopResultBuilder]: At program point L1611(line 1611) the Hoare annotation is: (and (<= |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_postdec_22_goodB2G1Sink_~data#1| 2147483647) (= ~CWE191_Integer_Underflow__int_fscanf_postdec_22_goodB2G1Global~0 0)) [2022-11-22 01:44:06,227 INFO L899 garLoopResultBuilder]: For program point L1611-1(lines 1597 1613) no Hoare annotation was computed. [2022-11-22 01:44:06,227 INFO L895 garLoopResultBuilder]: At program point L1607(line 1607) the Hoare annotation is: (and (<= |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_postdec_22_goodB2G1Sink_~data#1| 2147483647) (= ~CWE191_Integer_Underflow__int_fscanf_postdec_22_goodB2G1Global~0 0)) [2022-11-22 01:44:06,227 INFO L899 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2022-11-22 01:44:06,227 INFO L899 garLoopResultBuilder]: For program point L1603(lines 1603 1612) no Hoare annotation was computed. [2022-11-22 01:44:06,227 INFO L899 garLoopResultBuilder]: For program point L1636-1(line 1636) no Hoare annotation was computed. [2022-11-22 01:44:06,227 INFO L895 garLoopResultBuilder]: At program point L1599(line 1599) the Hoare annotation is: false [2022-11-22 01:44:06,227 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1621) no Hoare annotation was computed. [2022-11-22 01:44:06,228 INFO L895 garLoopResultBuilder]: At program point L1587(line 1587) the Hoare annotation is: (= ~CWE191_Integer_Underflow__int_fscanf_postdec_22_goodB2G1Global~0 0) [2022-11-22 01:44:06,228 INFO L899 garLoopResultBuilder]: For program point L1587-1(line 1587) no Hoare annotation was computed. [2022-11-22 01:44:06,231 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 01:44:06,233 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-22 01:44:06,246 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:44:06 BoogieIcfgContainer [2022-11-22 01:44:06,246 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-22 01:44:06,247 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-22 01:44:06,247 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-22 01:44:06,247 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-22 01:44:06,248 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:44:04" (3/4) ... [2022-11-22 01:44:06,250 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-22 01:44:06,255 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-22 01:44:06,256 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-22 01:44:06,260 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-22 01:44:06,260 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-22 01:44:06,261 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-22 01:44:06,261 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-22 01:44:06,299 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f95b52-3fcf-4e95-8167-c6d57894b13a/bin/utaipan-g80aRyZoba/witness.graphml [2022-11-22 01:44:06,299 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-22 01:44:06,300 INFO L158 Benchmark]: Toolchain (without parser) took 4133.76ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 130.0MB in the beginning and 123.2MB in the end (delta: 6.8MB). Peak memory consumption was 40.8MB. Max. memory is 16.1GB. [2022-11-22 01:44:06,300 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 119.5MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:44:06,300 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1351.13ms. Allocated memory is still 161.5MB. Free memory was 129.3MB in the beginning and 115.4MB in the end (delta: 13.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2022-11-22 01:44:06,300 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.09ms. Allocated memory is still 161.5MB. Free memory was 115.4MB in the beginning and 112.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 01:44:06,301 INFO L158 Benchmark]: Boogie Preprocessor took 30.02ms. Allocated memory is still 161.5MB. Free memory was 112.2MB in the beginning and 111.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-22 01:44:06,301 INFO L158 Benchmark]: RCFGBuilder took 484.69ms. Allocated memory is still 161.5MB. Free memory was 111.0MB in the beginning and 92.3MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-22 01:44:06,301 INFO L158 Benchmark]: TraceAbstraction took 2153.38ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 92.3MB in the beginning and 127.4MB in the end (delta: -35.0MB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. [2022-11-22 01:44:06,301 INFO L158 Benchmark]: Witness Printer took 52.26ms. Allocated memory is still 195.0MB. Free memory was 127.4MB in the beginning and 123.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-22 01:44:06,303 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 119.5MB. Free memory is still 84.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1351.13ms. Allocated memory is still 161.5MB. Free memory was 129.3MB in the beginning and 115.4MB in the end (delta: 13.9MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.09ms. Allocated memory is still 161.5MB. Free memory was 115.4MB in the beginning and 112.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 30.02ms. Allocated memory is still 161.5MB. Free memory was 112.2MB in the beginning and 111.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 484.69ms. Allocated memory is still 161.5MB. Free memory was 111.0MB in the beginning and 92.3MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2153.38ms. Allocated memory was 161.5MB in the beginning and 195.0MB in the end (delta: 33.6MB). Free memory was 92.3MB in the beginning and 127.4MB in the end (delta: -35.0MB). Peak memory consumption was 1.5MB. Max. memory is 16.1GB. * Witness Printer took 52.26ms. Allocated memory is still 195.0MB. Free memory was 127.4MB in the beginning and 123.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1605]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1621]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1621]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1636]: 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, 36 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 101 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 92 mSDsluCounter, 423 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 222 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 122 IncrementalHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 201 mSDtfsCounter, 122 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, InterpolantAutomatonStates: 28, 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, 11 LocationsWithAnnotation, 19 PreInvPairs, 21 NumberOfFragments, 55 HoareAnnotationTreeSize, 19 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 30 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 157 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 20/20 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 6 specifications checked. All of them hold - InvariantResult [Line: 1589]: Loop Invariant Derived loop invariant: data <= 2147483647 RESULT: Ultimate proved your program to be correct! [2022-11-22 01:44:06,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_27f95b52-3fcf-4e95-8167-c6d57894b13a/bin/utaipan-g80aRyZoba/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