./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_22_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b 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_09bda0d0-2783-4397-a195-232fc60a6ab0/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bda0d0-2783-4397-a195-232fc60a6ab0/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bda0d0-2783-4397-a195-232fc60a6ab0/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bda0d0-2783-4397-a195-232fc60a6ab0/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_22_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bda0d0-2783-4397-a195-232fc60a6ab0/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bda0d0-2783-4397-a195-232fc60a6ab0/bin/utaipan-I9t0OCRTmS --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 823d9d032d0eb912274c39d49b5f2e86a0bbffa48ad4856d4d23c3bca43ccf07 --- 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-8393723 [2022-11-19 08:21:56,968 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 08:21:56,972 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 08:21:57,009 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 08:21:57,009 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 08:21:57,013 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 08:21:57,015 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 08:21:57,017 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 08:21:57,019 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 08:21:57,020 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 08:21:57,021 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 08:21:57,028 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 08:21:57,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 08:21:57,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 08:21:57,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 08:21:57,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 08:21:57,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 08:21:57,042 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 08:21:57,045 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 08:21:57,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 08:21:57,056 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 08:21:57,057 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 08:21:57,059 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 08:21:57,061 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 08:21:57,065 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 08:21:57,073 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 08:21:57,073 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 08:21:57,074 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 08:21:57,076 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 08:21:57,078 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 08:21:57,079 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 08:21:57,080 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 08:21:57,082 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 08:21:57,084 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 08:21:57,087 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 08:21:57,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 08:21:57,090 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 08:21:57,090 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 08:21:57,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 08:21:57,091 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 08:21:57,092 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 08:21:57,093 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bda0d0-2783-4397-a195-232fc60a6ab0/bin/utaipan-I9t0OCRTmS/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-19 08:21:57,140 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 08:21:57,141 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 08:21:57,142 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 08:21:57,142 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 08:21:57,143 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 08:21:57,143 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 08:21:57,143 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 08:21:57,144 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 08:21:57,144 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 08:21:57,144 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 08:21:57,145 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 08:21:57,146 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 08:21:57,146 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 08:21:57,146 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 08:21:57,146 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 08:21:57,147 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 08:21:57,147 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 08:21:57,147 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 08:21:57,148 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 08:21:57,148 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 08:21:57,148 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 08:21:57,148 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 08:21:57,149 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 08:21:57,150 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 08:21:57,151 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 08:21:57,151 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-19 08:21:57,151 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 08:21:57,151 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 08:21:57,152 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 08:21:57,152 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 08:21:57,152 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 08:21:57,153 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:21:57,153 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 08:21:57,153 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 08:21:57,153 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 08:21:57,154 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 08:21:57,154 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 08:21:57,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 08:21:57,154 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 08:21:57,155 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 08:21:57,155 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_09bda0d0-2783-4397-a195-232fc60a6ab0/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bda0d0-2783-4397-a195-232fc60a6ab0/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 823d9d032d0eb912274c39d49b5f2e86a0bbffa48ad4856d4d23c3bca43ccf07 [2022-11-19 08:21:57,556 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 08:21:57,592 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 08:21:57,595 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 08:21:57,596 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 08:21:57,597 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 08:21:57,599 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bda0d0-2783-4397-a195-232fc60a6ab0/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_22_good.i [2022-11-19 08:21:57,681 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bda0d0-2783-4397-a195-232fc60a6ab0/bin/utaipan-I9t0OCRTmS/data/c52a8e4d8/60899a7a480546f49cd562ac86b3f79e/FLAGd12862b92 [2022-11-19 08:21:58,478 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 08:21:58,479 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bda0d0-2783-4397-a195-232fc60a6ab0/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_22_good.i [2022-11-19 08:21:58,512 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bda0d0-2783-4397-a195-232fc60a6ab0/bin/utaipan-I9t0OCRTmS/data/c52a8e4d8/60899a7a480546f49cd562ac86b3f79e/FLAGd12862b92 [2022-11-19 08:21:58,573 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bda0d0-2783-4397-a195-232fc60a6ab0/bin/utaipan-I9t0OCRTmS/data/c52a8e4d8/60899a7a480546f49cd562ac86b3f79e [2022-11-19 08:21:58,577 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 08:21:58,581 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 08:21:58,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 08:21:58,586 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 08:21:58,590 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 08:21:58,591 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:21:58" (1/1) ... [2022-11-19 08:21:58,593 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d3a580b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:58, skipping insertion in model container [2022-11-19 08:21:58,594 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:21:58" (1/1) ... [2022-11-19 08:21:58,603 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 08:21:58,695 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 08:21:59,230 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-19 08:21:59,761 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:21:59,770 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 08:21:59,791 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-19 08:21:59,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 08:21:59,966 INFO L208 MainTranslator]: Completed translation [2022-11-19 08:21:59,967 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:59 WrapperNode [2022-11-19 08:21:59,967 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 08:21:59,968 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 08:21:59,968 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 08:21:59,968 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 08:21:59,974 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:59" (1/1) ... [2022-11-19 08:21:59,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:59" (1/1) ... [2022-11-19 08:22:00,026 INFO L138 Inliner]: procedures = 505, calls = 78, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 86 [2022-11-19 08:22:00,026 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 08:22:00,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 08:22:00,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 08:22:00,028 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 08:22:00,038 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:59" (1/1) ... [2022-11-19 08:22:00,039 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:59" (1/1) ... [2022-11-19 08:22:00,042 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:59" (1/1) ... [2022-11-19 08:22:00,042 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:59" (1/1) ... [2022-11-19 08:22:00,050 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:59" (1/1) ... [2022-11-19 08:22:00,052 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:59" (1/1) ... [2022-11-19 08:22:00,067 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:59" (1/1) ... [2022-11-19 08:22:00,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:59" (1/1) ... [2022-11-19 08:22:00,072 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 08:22:00,073 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 08:22:00,073 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 08:22:00,073 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 08:22:00,074 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:59" (1/1) ... [2022-11-19 08:22:00,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 08:22:00,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bda0d0-2783-4397-a195-232fc60a6ab0/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 08:22:00,129 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bda0d0-2783-4397-a195-232fc60a6ab0/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 08:22:00,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bda0d0-2783-4397-a195-232fc60a6ab0/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 08:22:00,196 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-19 08:22:00,197 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-19 08:22:00,197 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-19 08:22:00,197 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-19 08:22:00,197 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 08:22:00,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 08:22:00,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 08:22:00,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 08:22:00,198 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 08:22:00,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 08:22:00,199 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-19 08:22:00,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 08:22:00,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 08:22:00,442 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 08:22:00,447 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 08:22:00,708 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 08:22:00,753 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 08:22:00,754 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 08:22:00,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:22:00 BoogieIcfgContainer [2022-11-19 08:22:00,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 08:22:00,760 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 08:22:00,760 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 08:22:00,764 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 08:22:00,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:21:58" (1/3) ... [2022-11-19 08:22:00,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@179f74f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:22:00, skipping insertion in model container [2022-11-19 08:22:00,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:21:59" (2/3) ... [2022-11-19 08:22:00,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@179f74f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:22:00, skipping insertion in model container [2022-11-19 08:22:00,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:22:00" (3/3) ... [2022-11-19 08:22:00,768 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_22_good.i [2022-11-19 08:22:00,791 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 08:22:00,791 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-19 08:22:00,867 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 08:22:00,879 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;@2b857207, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 08:22:00,879 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2022-11-19 08:22:00,884 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) [2022-11-19 08:22:00,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-19 08:22:00,893 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:22:00,894 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:22:00,894 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)] === [2022-11-19 08:22:00,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:22:00,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1806253158, now seen corresponding path program 1 times [2022-11-19 08:22:00,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:22:00,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [270497565] [2022-11-19 08:22:00,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:22:00,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:22:01,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:22:01,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:22:01,521 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:22:01,522 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [270497565] [2022-11-19 08:22:01,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [270497565] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:22:01,524 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:22:01,525 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:22:01,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1972777054] [2022-11-19 08:22:01,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:22:01,535 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:22:01,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:22:01,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:22:01,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:22:01,582 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 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 08:22:01,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:22:01,674 INFO L93 Difference]: Finished difference Result 36 states and 46 transitions. [2022-11-19 08:22:01,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:22:01,679 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 8 [2022-11-19 08:22:01,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:22:01,693 INFO L225 Difference]: With dead ends: 36 [2022-11-19 08:22:01,693 INFO L226 Difference]: Without dead ends: 30 [2022-11-19 08:22:01,697 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 [2022-11-19 08:22:01,704 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 23 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 42 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 08:22:01,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 42 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 08:22:01,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2022-11-19 08:22:01,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2022-11-19 08:22:01,762 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) [2022-11-19 08:22:01,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2022-11-19 08:22:01,766 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 8 [2022-11-19 08:22:01,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:22:01,767 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2022-11-19 08:22:01,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-19 08:22:01,768 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2022-11-19 08:22:01,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-19 08:22:01,769 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:22:01,769 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:22:01,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 08:22:01,770 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)] === [2022-11-19 08:22:01,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:22:01,770 INFO L85 PathProgramCache]: Analyzing trace with hash -159272993, now seen corresponding path program 1 times [2022-11-19 08:22:01,771 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:22:01,771 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812949733] [2022-11-19 08:22:01,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:22:01,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:22:01,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:22:01,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 08:22:01,819 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:22:01,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812949733] [2022-11-19 08:22:01,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812949733] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:22:01,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:22:01,823 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:22:01,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034944271] [2022-11-19 08:22:01,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:22:01,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:22:01,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:22:01,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:22:01,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:22:01,826 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) [2022-11-19 08:22:01,868 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:22:01,868 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions. [2022-11-19 08:22:01,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:22:01,869 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 [2022-11-19 08:22:01,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:22:01,870 INFO L225 Difference]: With dead ends: 45 [2022-11-19 08:22:01,870 INFO L226 Difference]: Without dead ends: 44 [2022-11-19 08:22:01,870 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 [2022-11-19 08:22:01,872 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 15 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 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 [2022-11-19 08:22:01,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 56 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:22:01,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-19 08:22:01,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 29. [2022-11-19 08:22:01,885 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) [2022-11-19 08:22:01,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 36 transitions. [2022-11-19 08:22:01,886 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 36 transitions. Word has length 9 [2022-11-19 08:22:01,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:22:01,887 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 36 transitions. [2022-11-19 08:22:01,887 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) [2022-11-19 08:22:01,887 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2022-11-19 08:22:01,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-19 08:22:01,888 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:22:01,888 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:22:01,889 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 08:22:01,889 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)] === [2022-11-19 08:22:01,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:22:01,889 INFO L85 PathProgramCache]: Analyzing trace with hash -1778749334, now seen corresponding path program 1 times [2022-11-19 08:22:01,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:22:01,890 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791016477] [2022-11-19 08:22:01,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:22:01,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:22:01,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:22:02,015 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 08:22:02,015 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:22:02,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791016477] [2022-11-19 08:22:02,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791016477] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:22:02,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:22:02,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:22:02,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [156579611] [2022-11-19 08:22:02,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:22:02,017 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:22:02,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:22:02,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:22:02,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:22:02,018 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) [2022-11-19 08:22:02,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:22:02,046 INFO L93 Difference]: Finished difference Result 48 states and 56 transitions. [2022-11-19 08:22:02,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:22:02,047 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 [2022-11-19 08:22:02,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:22:02,048 INFO L225 Difference]: With dead ends: 48 [2022-11-19 08:22:02,048 INFO L226 Difference]: Without dead ends: 28 [2022-11-19 08:22:02,048 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 [2022-11-19 08:22:02,050 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 [2022-11-19 08:22:02,050 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] [2022-11-19 08:22:02,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-11-19 08:22:02,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-11-19 08:22:02,056 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) [2022-11-19 08:22:02,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions. [2022-11-19 08:22:02,058 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 33 transitions. Word has length 13 [2022-11-19 08:22:02,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:22:02,058 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 33 transitions. [2022-11-19 08:22:02,058 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) [2022-11-19 08:22:02,058 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 33 transitions. [2022-11-19 08:22:02,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-19 08:22:02,059 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:22:02,059 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:22:02,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 08:22:02,060 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)] === [2022-11-19 08:22:02,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:22:02,060 INFO L85 PathProgramCache]: Analyzing trace with hash -1595389117, now seen corresponding path program 1 times [2022-11-19 08:22:02,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:22:02,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [261863392] [2022-11-19 08:22:02,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:22:02,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:22:02,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:22:02,232 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 08:22:02,232 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:22:02,233 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [261863392] [2022-11-19 08:22:02,233 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [261863392] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:22:02,233 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:22:02,233 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:22:02,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1029612534] [2022-11-19 08:22:02,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:22:02,234 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:22:02,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:22:02,235 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:22:02,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:22:02,235 INFO L87 Difference]: Start difference. First operand 28 states and 33 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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) [2022-11-19 08:22:02,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:22:02,272 INFO L93 Difference]: Finished difference Result 28 states and 33 transitions. [2022-11-19 08:22:02,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:22:02,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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 [2022-11-19 08:22:02,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:22:02,276 INFO L225 Difference]: With dead ends: 28 [2022-11-19 08:22:02,276 INFO L226 Difference]: Without dead ends: 27 [2022-11-19 08:22:02,277 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 [2022-11-19 08:22:02,278 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 10 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 36 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 [2022-11-19 08:22:02,279 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 36 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:22:02,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2022-11-19 08:22:02,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2022-11-19 08:22:02,285 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) [2022-11-19 08:22:02,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2022-11-19 08:22:02,286 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 14 [2022-11-19 08:22:02,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:22:02,287 INFO L495 AbstractCegarLoop]: Abstraction has 27 states and 32 transitions. [2022-11-19 08:22:02,302 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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) [2022-11-19 08:22:02,303 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2022-11-19 08:22:02,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-19 08:22:02,304 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:22:02,304 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:22:02,304 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 08:22:02,304 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)] === [2022-11-19 08:22:02,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:22:02,305 INFO L85 PathProgramCache]: Analyzing trace with hash 2083014480, now seen corresponding path program 1 times [2022-11-19 08:22:02,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:22:02,305 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403726353] [2022-11-19 08:22:02,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:22:02,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:22:02,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:22:02,435 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 08:22:02,435 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:22:02,436 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403726353] [2022-11-19 08:22:02,436 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403726353] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:22:02,436 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:22:02,436 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 08:22:02,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739305016] [2022-11-19 08:22:02,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:22:02,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:22:02,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:22:02,438 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:22:02,438 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:22:02,439 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) [2022-11-19 08:22:02,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:22:02,485 INFO L93 Difference]: Finished difference Result 37 states and 39 transitions. [2022-11-19 08:22:02,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:22:02,486 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 [2022-11-19 08:22:02,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:22:02,487 INFO L225 Difference]: With dead ends: 37 [2022-11-19 08:22:02,492 INFO L226 Difference]: Without dead ends: 31 [2022-11-19 08:22:02,493 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 [2022-11-19 08:22:02,494 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 [2022-11-19 08:22:02,495 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] [2022-11-19 08:22:02,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2022-11-19 08:22:02,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2022-11-19 08:22:02,506 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) [2022-11-19 08:22:02,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2022-11-19 08:22:02,511 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 15 [2022-11-19 08:22:02,512 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:22:02,512 INFO L495 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2022-11-19 08:22:02,512 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) [2022-11-19 08:22:02,513 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2022-11-19 08:22:02,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-19 08:22:02,513 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:22:02,514 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:22:02,514 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 08:22:02,514 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)] === [2022-11-19 08:22:02,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:22:02,516 INFO L85 PathProgramCache]: Analyzing trace with hash 2082545000, now seen corresponding path program 1 times [2022-11-19 08:22:02,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:22:02,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057329248] [2022-11-19 08:22:02,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:22:02,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:22:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:22:02,619 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-19 08:22:02,620 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:22:02,620 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057329248] [2022-11-19 08:22:02,621 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057329248] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:22:02,621 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:22:02,621 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:22:02,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419989266] [2022-11-19 08:22:02,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:22:02,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:22:02,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:22:02,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:22:02,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:22:02,625 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) [2022-11-19 08:22:02,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:22:02,667 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2022-11-19 08:22:02,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:22:02,667 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 [2022-11-19 08:22:02,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:22:02,670 INFO L225 Difference]: With dead ends: 37 [2022-11-19 08:22:02,671 INFO L226 Difference]: Without dead ends: 36 [2022-11-19 08:22:02,671 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 [2022-11-19 08:22:02,675 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 6 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 47 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 [2022-11-19 08:22:02,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 47 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:22:02,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2022-11-19 08:22:02,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 30. [2022-11-19 08:22:02,682 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) [2022-11-19 08:22:02,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 32 transitions. [2022-11-19 08:22:02,683 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 32 transitions. Word has length 15 [2022-11-19 08:22:02,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:22:02,684 INFO L495 AbstractCegarLoop]: Abstraction has 30 states and 32 transitions. [2022-11-19 08:22:02,684 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) [2022-11-19 08:22:02,684 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 32 transitions. [2022-11-19 08:22:02,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-11-19 08:22:02,685 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:22:02,685 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:22:02,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 08:22:02,686 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)] === [2022-11-19 08:22:02,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:22:02,687 INFO L85 PathProgramCache]: Analyzing trace with hash -460243099, now seen corresponding path program 1 times [2022-11-19 08:22:02,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:22:02,687 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942632757] [2022-11-19 08:22:02,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:22:02,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:22:02,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:22:02,778 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-19 08:22:02,779 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:22:02,779 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942632757] [2022-11-19 08:22:02,779 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942632757] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:22:02,779 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:22:02,780 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:22:02,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812892830] [2022-11-19 08:22:02,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:22:02,780 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:22:02,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:22:02,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:22:02,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:22:02,782 INFO L87 Difference]: Start difference. First operand 30 states and 32 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 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) [2022-11-19 08:22:02,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:22:02,801 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2022-11-19 08:22:02,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:22:02,802 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 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 [2022-11-19 08:22:02,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:22:02,803 INFO L225 Difference]: With dead ends: 30 [2022-11-19 08:22:02,803 INFO L226 Difference]: Without dead ends: 29 [2022-11-19 08:22:02,804 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 [2022-11-19 08:22:02,805 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 2 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 43 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 [2022-11-19 08:22:02,805 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 43 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:22:02,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2022-11-19 08:22:02,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2022-11-19 08:22:02,811 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) [2022-11-19 08:22:02,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 31 transitions. [2022-11-19 08:22:02,812 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 31 transitions. Word has length 19 [2022-11-19 08:22:02,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:22:02,813 INFO L495 AbstractCegarLoop]: Abstraction has 29 states and 31 transitions. [2022-11-19 08:22:02,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 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) [2022-11-19 08:22:02,813 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 31 transitions. [2022-11-19 08:22:02,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-11-19 08:22:02,814 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 08:22:02,814 INFO L195 NwaCegarLoop]: trace histogram [3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:22:02,815 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 08:22:02,815 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)] === [2022-11-19 08:22:02,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 08:22:02,816 INFO L85 PathProgramCache]: Analyzing trace with hash -1382634088, now seen corresponding path program 1 times [2022-11-19 08:22:02,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 08:22:02,816 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1536158828] [2022-11-19 08:22:02,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 08:22:02,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 08:22:02,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 08:22:02,909 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-11-19 08:22:02,909 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 08:22:02,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1536158828] [2022-11-19 08:22:02,910 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1536158828] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 08:22:02,910 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 08:22:02,910 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 08:22:02,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378145785] [2022-11-19 08:22:02,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 08:22:02,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 08:22:02,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 08:22:02,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 08:22:02,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 08:22:02,912 INFO L87 Difference]: Start difference. First operand 29 states and 31 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 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) [2022-11-19 08:22:02,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 08:22:02,964 INFO L93 Difference]: Finished difference Result 29 states and 31 transitions. [2022-11-19 08:22:02,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 08:22:02,965 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 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 [2022-11-19 08:22:02,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 08:22:02,966 INFO L225 Difference]: With dead ends: 29 [2022-11-19 08:22:02,966 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 08:22:02,966 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 [2022-11-19 08:22:02,967 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 08:22:02,968 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 43 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 08:22:02,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 08:22:02,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 08:22:02,969 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) [2022-11-19 08:22:02,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 08:22:02,969 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2022-11-19 08:22:02,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 08:22:02,969 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 08:22:02,969 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 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) [2022-11-19 08:22:02,970 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 08:22:02,970 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 08:22:02,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2022-11-19 08:22:02,973 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2022-11-19 08:22:02,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2022-11-19 08:22:02,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2022-11-19 08:22:02,974 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2022-11-19 08:22:02,975 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2022-11-19 08:22:02,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 08:22:02,977 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-19 08:22:03,077 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-19 08:22:03,078 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-19 08:22:03,078 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-19 08:22:03,078 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-19 08:22:03,078 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1620) no Hoare annotation was computed. [2022-11-19 08:22:03,078 INFO L899 garLoopResultBuilder]: For program point L1629(lines 1629 1638) no Hoare annotation was computed. [2022-11-19 08:22:03,079 INFO L895 garLoopResultBuilder]: At program point L1625(line 1625) the Hoare annotation is: (and (<= |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_sub_22_goodB2G2Sink_~data#1| 2147483647) (= ~CWE191_Integer_Underflow__int_fscanf_sub_22_goodB2G1Global~0 0) (<= |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_sub_22_goodB2G1Sink_~data#1| 2147483647) (= ~CWE191_Integer_Underflow__int_fscanf_sub_22_goodB2G2Global~0 1)) [2022-11-19 08:22:03,079 INFO L895 garLoopResultBuilder]: At program point L1621(line 1621) the Hoare annotation is: (and (<= |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_sub_22_goodB2G2Sink_~data#1| 2147483647) (not (<= (+ |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_sub_22_goodB2G2Sink_~data#1| 2147483648) 0)) (= ~CWE191_Integer_Underflow__int_fscanf_sub_22_goodB2G1Global~0 0) (<= |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_sub_22_goodB2G1Sink_~data#1| 2147483647) (= ~CWE191_Integer_Underflow__int_fscanf_sub_22_goodB2G2Global~0 1)) [2022-11-19 08:22:03,079 INFO L899 garLoopResultBuilder]: For program point L1605(line 1605) no Hoare annotation was computed. [2022-11-19 08:22:03,079 INFO L899 garLoopResultBuilder]: For program point L1605-1(line 1605) no Hoare annotation was computed. [2022-11-19 08:22:03,079 INFO L899 garLoopResultBuilder]: For program point L1634(line 1634) no Hoare annotation was computed. [2022-11-19 08:22:03,079 INFO L899 garLoopResultBuilder]: For program point L1634-1(line 1634) no Hoare annotation was computed. [2022-11-19 08:22:03,080 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1605) no Hoare annotation was computed. [2022-11-19 08:22:03,080 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-19 08:22:03,080 INFO L899 garLoopResultBuilder]: For program point L1597(lines 1597 1612) no Hoare annotation was computed. [2022-11-19 08:22:03,080 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1634) no Hoare annotation was computed. [2022-11-19 08:22:03,080 INFO L895 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: (<= |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_sub_22_goodB2G1Sink_~data#1| 2147483647) [2022-11-19 08:22:03,080 INFO L895 garLoopResultBuilder]: At program point L1589-1(line 1589) the Hoare annotation is: (<= |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_sub_22_goodB2G1Sink_~data#1| 2147483647) [2022-11-19 08:22:03,081 INFO L899 garLoopResultBuilder]: For program point L1618(lines 1618 1626) no Hoare annotation was computed. [2022-11-19 08:22:03,081 INFO L899 garLoopResultBuilder]: For program point L1614(lines 1614 1628) no Hoare annotation was computed. [2022-11-19 08:22:03,081 INFO L895 garLoopResultBuilder]: At program point L1610(line 1610) the Hoare annotation is: (and (= ~CWE191_Integer_Underflow__int_fscanf_sub_22_goodB2G1Global~0 0) (<= |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_sub_22_goodB2G1Sink_~data#1| 2147483647)) [2022-11-19 08:22:03,081 INFO L899 garLoopResultBuilder]: For program point L1610-1(lines 1597 1612) no Hoare annotation was computed. [2022-11-19 08:22:03,081 INFO L895 garLoopResultBuilder]: At program point L1606(line 1606) the Hoare annotation is: (and (not (<= (+ |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_sub_22_goodB2G1Sink_~data#1| 2147483648) 0)) (= ~CWE191_Integer_Underflow__int_fscanf_sub_22_goodB2G1Global~0 0) (<= |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_sub_22_goodB2G1Sink_~data#1| 2147483647)) [2022-11-19 08:22:03,081 INFO L895 garLoopResultBuilder]: At program point L1635(line 1635) the Hoare annotation is: (<= |ULTIMATE.start_CWE191_Integer_Underflow__int_fscanf_sub_22_goodB2G1Sink_~data#1| 2147483647) [2022-11-19 08:22:03,082 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1605) no Hoare annotation was computed. [2022-11-19 08:22:03,082 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-19 08:22:03,082 INFO L899 garLoopResultBuilder]: For program point L1631(lines 1631 1637) no Hoare annotation was computed. [2022-11-19 08:22:03,082 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1634) no Hoare annotation was computed. [2022-11-19 08:22:03,082 INFO L899 garLoopResultBuilder]: For program point L1603(lines 1603 1611) no Hoare annotation was computed. [2022-11-19 08:22:03,082 INFO L895 garLoopResultBuilder]: At program point L1599(line 1599) the Hoare annotation is: false [2022-11-19 08:22:03,083 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1620) no Hoare annotation was computed. [2022-11-19 08:22:03,083 INFO L899 garLoopResultBuilder]: For program point L1620(line 1620) no Hoare annotation was computed. [2022-11-19 08:22:03,083 INFO L895 garLoopResultBuilder]: At program point L1587(line 1587) the Hoare annotation is: (= ~CWE191_Integer_Underflow__int_fscanf_sub_22_goodB2G1Global~0 0) [2022-11-19 08:22:03,083 INFO L899 garLoopResultBuilder]: For program point L1620-1(line 1620) no Hoare annotation was computed. [2022-11-19 08:22:03,083 INFO L899 garLoopResultBuilder]: For program point L1587-1(line 1587) no Hoare annotation was computed. [2022-11-19 08:22:03,083 INFO L899 garLoopResultBuilder]: For program point L1616(lines 1616 1627) no Hoare annotation was computed. [2022-11-19 08:22:03,087 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 08:22:03,089 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 08:22:03,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:22:03 BoogieIcfgContainer [2022-11-19 08:22:03,107 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 08:22:03,108 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 08:22:03,108 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 08:22:03,109 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 08:22:03,111 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:22:00" (3/4) ... [2022-11-19 08:22:03,114 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 08:22:03,120 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-19 08:22:03,120 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-19 08:22:03,129 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-19 08:22:03,130 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2022-11-19 08:22:03,130 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-19 08:22:03,130 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 08:22:03,193 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bda0d0-2783-4397-a195-232fc60a6ab0/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 08:22:03,194 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 08:22:03,194 INFO L158 Benchmark]: Toolchain (without parser) took 4613.68ms. Allocated memory was 125.8MB in the beginning and 180.4MB in the end (delta: 54.5MB). Free memory was 84.6MB in the beginning and 141.7MB in the end (delta: -57.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:22:03,195 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 125.8MB. Free memory was 96.3MB in the beginning and 96.3MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:22:03,195 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1382.14ms. Allocated memory is still 125.8MB. Free memory was 84.6MB in the beginning and 48.2MB in the end (delta: 36.4MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2022-11-19 08:22:03,196 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.96ms. Allocated memory is still 125.8MB. Free memory was 48.2MB in the beginning and 44.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 08:22:03,197 INFO L158 Benchmark]: Boogie Preprocessor took 44.99ms. Allocated memory is still 125.8MB. Free memory was 44.8MB in the beginning and 100.9MB in the end (delta: -56.0MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. [2022-11-19 08:22:03,197 INFO L158 Benchmark]: RCFGBuilder took 684.15ms. Allocated memory was 125.8MB in the beginning and 180.4MB in the end (delta: 54.5MB). Free memory was 100.8MB in the beginning and 140.4MB in the end (delta: -39.6MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2022-11-19 08:22:03,197 INFO L158 Benchmark]: TraceAbstraction took 2347.65ms. Allocated memory is still 180.4MB. Free memory was 139.4MB in the beginning and 144.9MB in the end (delta: -5.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 08:22:03,198 INFO L158 Benchmark]: Witness Printer took 85.68ms. Allocated memory is still 180.4MB. Free memory was 144.9MB in the beginning and 141.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 08:22:03,201 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 125.8MB. Free memory was 96.3MB in the beginning and 96.3MB in the end (delta: 30.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1382.14ms. Allocated memory is still 125.8MB. Free memory was 84.6MB in the beginning and 48.2MB in the end (delta: 36.4MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.96ms. Allocated memory is still 125.8MB. Free memory was 48.2MB in the beginning and 44.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.99ms. Allocated memory is still 125.8MB. Free memory was 44.8MB in the beginning and 100.9MB in the end (delta: -56.0MB). Peak memory consumption was 5.8MB. Max. memory is 16.1GB. * RCFGBuilder took 684.15ms. Allocated memory was 125.8MB in the beginning and 180.4MB in the end (delta: 54.5MB). Free memory was 100.8MB in the beginning and 140.4MB in the end (delta: -39.6MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * TraceAbstraction took 2347.65ms. Allocated memory is still 180.4MB. Free memory was 139.4MB in the beginning and 144.9MB in the end (delta: -5.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 85.68ms. Allocated memory is still 180.4MB. Free memory was 144.9MB in the beginning and 141.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 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: 1620]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1620]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1634]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1634]: 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: 2.2s, OverallIterations: 8, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 117 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 104 mSDsluCounter, 331 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 122 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 94 IncrementalHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 209 mSDtfsCounter, 94 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36occurred in iteration=0, InterpolantAutomatonStates: 24, 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, 21 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 19 PreInvPairs, 21 NumberOfFragments, 67 HoareAnnotationTreeSize, 19 FomulaSimplifications, 22 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 30 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 105 ConstructedInterpolants, 0 QuantifiedInterpolants, 161 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! [2022-11-19 08:22:03,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_09bda0d0-2783-4397-a195-232fc60a6ab0/bin/utaipan-I9t0OCRTmS/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