./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 32bde7eeae2a067ecd6e62ce86b7b466cec584089d07daf0a235a3d38a08ce05 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 16:09:11,871 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 16:09:11,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 16:09:11,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 16:09:11,911 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 16:09:11,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 16:09:11,916 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 16:09:11,921 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 16:09:11,924 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 16:09:11,925 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 16:09:11,927 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 16:09:11,929 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 16:09:11,931 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 16:09:11,935 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 16:09:11,937 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 16:09:11,939 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 16:09:11,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 16:09:11,949 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 16:09:11,951 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 16:09:11,953 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 16:09:11,958 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 16:09:11,960 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 16:09:11,961 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 16:09:11,963 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 16:09:11,967 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 16:09:11,973 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 16:09:11,974 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 16:09:11,975 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 16:09:11,975 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 16:09:11,977 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 16:09:11,978 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 16:09:11,979 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 16:09:11,981 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 16:09:11,982 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 16:09:11,983 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 16:09:11,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 16:09:11,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 16:09:11,986 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 16:09:11,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 16:09:11,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 16:09:11,990 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 16:09:11,991 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Default.epf [2022-11-23 16:09:12,029 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 16:09:12,038 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 16:09:12,038 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 16:09:12,039 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 16:09:12,040 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 16:09:12,040 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 16:09:12,040 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 16:09:12,040 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 16:09:12,041 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 16:09:12,041 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 16:09:12,042 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 16:09:12,042 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 16:09:12,043 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 16:09:12,043 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 16:09:12,043 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 16:09:12,043 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 16:09:12,043 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 16:09:12,044 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 16:09:12,044 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 16:09:12,045 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 16:09:12,045 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 16:09:12,045 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 16:09:12,045 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 16:09:12,045 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 16:09:12,046 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 16:09:12,046 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 16:09:12,046 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 16:09:12,046 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 16:09:12,046 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 16:09:12,047 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 16:09:12,047 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 16:09:12,047 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:09:12,048 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 16:09:12,048 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 16:09:12,048 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 16:09:12,048 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 16:09:12,048 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 16:09:12,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 16:09:12,049 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 16:09:12,049 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 16:09:12,049 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_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32bde7eeae2a067ecd6e62ce86b7b466cec584089d07daf0a235a3d38a08ce05 [2022-11-23 16:09:12,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 16:09:12,388 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 16:09:12,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 16:09:12,393 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 16:09:12,394 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 16:09:12,395 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i [2022-11-23 16:09:15,419 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 16:09:15,913 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 16:09:15,914 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i [2022-11-23 16:09:15,943 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/data/d80fea08b/e43cde7767814e92ad316d2b3ebf734e/FLAGb20623507 [2022-11-23 16:09:15,966 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/data/d80fea08b/e43cde7767814e92ad316d2b3ebf734e [2022-11-23 16:09:15,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 16:09:15,971 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 16:09:15,973 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 16:09:15,974 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 16:09:15,978 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 16:09:15,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:09:15" (1/1) ... [2022-11-23 16:09:15,980 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75dd5545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:15, skipping insertion in model container [2022-11-23 16:09:15,980 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:09:15" (1/1) ... [2022-11-23 16:09:15,992 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 16:09:16,080 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 16:09:16,475 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 16:09:17,021 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 16:09:17,034 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 16:09:17,070 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 16:09:17,141 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 16:09:17,253 INFO L208 MainTranslator]: Completed translation [2022-11-23 16:09:17,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:17 WrapperNode [2022-11-23 16:09:17,253 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 16:09:17,254 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 16:09:17,255 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 16:09:17,255 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 16:09:17,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:17" (1/1) ... [2022-11-23 16:09:17,299 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:17" (1/1) ... [2022-11-23 16:09:17,336 INFO L138 Inliner]: procedures = 500, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 54 [2022-11-23 16:09:17,336 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 16:09:17,337 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 16:09:17,337 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 16:09:17,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 16:09:17,347 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:17" (1/1) ... [2022-11-23 16:09:17,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:17" (1/1) ... [2022-11-23 16:09:17,350 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:17" (1/1) ... [2022-11-23 16:09:17,351 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:17" (1/1) ... [2022-11-23 16:09:17,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:17" (1/1) ... [2022-11-23 16:09:17,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:17" (1/1) ... [2022-11-23 16:09:17,359 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:17" (1/1) ... [2022-11-23 16:09:17,361 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:17" (1/1) ... [2022-11-23 16:09:17,364 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 16:09:17,364 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 16:09:17,365 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 16:09:17,365 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 16:09:17,366 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:17" (1/1) ... [2022-11-23 16:09:17,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:09:17,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:09:17,424 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 16:09:17,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 16:09:17,467 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-23 16:09:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 16:09:17,468 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 16:09:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 16:09:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 16:09:17,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 16:09:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 16:09:17,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 16:09:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 16:09:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 16:09:17,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 16:09:17,708 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 16:09:17,711 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 16:09:17,892 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 16:09:17,939 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 16:09:17,939 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 16:09:17,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:09:17 BoogieIcfgContainer [2022-11-23 16:09:17,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 16:09:17,950 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 16:09:17,951 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 16:09:17,955 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 16:09:17,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:09:15" (1/3) ... [2022-11-23 16:09:17,956 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a0c2690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:09:17, skipping insertion in model container [2022-11-23 16:09:17,956 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:17" (2/3) ... [2022-11-23 16:09:17,959 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a0c2690 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:09:17, skipping insertion in model container [2022-11-23 16:09:17,959 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:09:17" (3/3) ... [2022-11-23 16:09:17,960 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i [2022-11-23 16:09:17,978 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 16:09:17,978 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 16:09:18,021 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 16:09:18,027 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;@4204a5a6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 16:09:18,027 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 16:09:18,032 INFO L276 IsEmpty]: Start isEmpty. Operand has 19 states, 12 states have (on average 1.5) internal successors, (18), 15 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 16:09:18,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-23 16:09:18,040 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:09:18,041 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:09:18,041 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 16:09:18,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:09:18,047 INFO L85 PathProgramCache]: Analyzing trace with hash 805598275, now seen corresponding path program 1 times [2022-11-23 16:09:18,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:09:18,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1856564141] [2022-11-23 16:09:18,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:09:18,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:09:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:09:18,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 16:09:18,288 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:09:18,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1856564141] [2022-11-23 16:09:18,289 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1856564141] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:09:18,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:09:18,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 16:09:18,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348986910] [2022-11-23 16:09:18,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:09:18,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:09:18,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:09:18,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:09:18,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:09:18,324 INFO L87 Difference]: Start difference. First operand has 19 states, 12 states have (on average 1.5) internal successors, (18), 15 states have internal predecessors, (18), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 2.3333333333333335) 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) [2022-11-23 16:09:18,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:09:18,374 INFO L93 Difference]: Finished difference Result 31 states and 37 transitions. [2022-11-23 16:09:18,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:09:18,377 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) 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 [2022-11-23 16:09:18,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:09:18,384 INFO L225 Difference]: With dead ends: 31 [2022-11-23 16:09:18,384 INFO L226 Difference]: Without dead ends: 15 [2022-11-23 16:09:18,387 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 [2022-11-23 16:09:18,390 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 19 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 16 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 [2022-11-23 16:09:18,391 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 16 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 16:09:18,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2022-11-23 16:09:18,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2022-11-23 16:09:18,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 10 states have (on average 1.2) internal successors, (12), 12 states have internal predecessors, (12), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 16:09:18,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 16 transitions. [2022-11-23 16:09:18,438 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 16 transitions. Word has length 9 [2022-11-23 16:09:18,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:09:18,440 INFO L495 AbstractCegarLoop]: Abstraction has 15 states and 16 transitions. [2022-11-23 16:09:18,440 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) 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) [2022-11-23 16:09:18,441 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2022-11-23 16:09:18,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-23 16:09:18,444 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:09:18,445 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:09:18,445 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 16:09:18,446 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 16:09:18,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:09:18,447 INFO L85 PathProgramCache]: Analyzing trace with hash 789107816, now seen corresponding path program 1 times [2022-11-23 16:09:18,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:09:18,448 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543738523] [2022-11-23 16:09:18,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:09:18,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:09:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:09:18,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 16:09:18,627 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 16:09:18,627 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543738523] [2022-11-23 16:09:18,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543738523] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:09:18,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:09:18,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 16:09:18,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66986268] [2022-11-23 16:09:18,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:09:18,630 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:09:18,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 16:09:18,631 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:09:18,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:09:18,631 INFO L87 Difference]: Start difference. First operand 15 states and 16 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, (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) [2022-11-23 16:09:18,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:09:18,649 INFO L93 Difference]: Finished difference Result 15 states and 16 transitions. [2022-11-23 16:09:18,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:09:18,650 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, (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 11 [2022-11-23 16:09:18,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:09:18,651 INFO L225 Difference]: With dead ends: 15 [2022-11-23 16:09:18,651 INFO L226 Difference]: Without dead ends: 14 [2022-11-23 16:09:18,651 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 [2022-11-23 16:09:18,652 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 2 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 16:09:18,653 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 19 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 16:09:18,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2022-11-23 16:09:18,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2022-11-23 16:09:18,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 10 states have (on average 1.1) internal successors, (11), 11 states have internal predecessors, (11), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 16:09:18,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 15 transitions. [2022-11-23 16:09:18,662 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 15 transitions. Word has length 11 [2022-11-23 16:09:18,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:09:18,663 INFO L495 AbstractCegarLoop]: Abstraction has 14 states and 15 transitions. [2022-11-23 16:09:18,663 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, (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) [2022-11-23 16:09:18,663 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2022-11-23 16:09:18,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 16:09:18,664 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:09:18,664 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:09:18,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 16:09:18,664 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 16:09:18,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:09:18,665 INFO L85 PathProgramCache]: Analyzing trace with hash -1307461414, now seen corresponding path program 1 times [2022-11-23 16:09:18,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 16:09:18,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [829664040] [2022-11-23 16:09:18,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:09:18,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 16:09:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 16:09:18,705 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 16:09:18,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 16:09:18,745 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-23 16:09:18,746 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 16:09:18,748 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-23 16:09:18,750 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-23 16:09:18,751 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 16:09:18,755 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-23 16:09:18,760 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 16:09:18,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:09:18 BoogieIcfgContainer [2022-11-23 16:09:18,802 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 16:09:18,802 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 16:09:18,803 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 16:09:18,803 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 16:09:18,803 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:09:17" (3/4) ... [2022-11-23 16:09:18,808 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 16:09:18,808 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 16:09:18,809 INFO L158 Benchmark]: Toolchain (without parser) took 2837.77ms. Allocated memory is still 178.3MB. Free memory was 143.3MB in the beginning and 70.8MB in the end (delta: 72.6MB). Peak memory consumption was 73.7MB. Max. memory is 16.1GB. [2022-11-23 16:09:18,809 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 65.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 16:09:18,810 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1280.89ms. Allocated memory is still 178.3MB. Free memory was 142.9MB in the beginning and 132.6MB in the end (delta: 10.3MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. [2022-11-23 16:09:18,810 INFO L158 Benchmark]: Boogie Procedure Inliner took 82.30ms. Allocated memory is still 178.3MB. Free memory was 131.6MB in the beginning and 129.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 16:09:18,811 INFO L158 Benchmark]: Boogie Preprocessor took 26.59ms. Allocated memory is still 178.3MB. Free memory was 129.5MB in the beginning and 127.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 16:09:18,811 INFO L158 Benchmark]: RCFGBuilder took 582.28ms. Allocated memory is still 178.3MB. Free memory was 127.4MB in the beginning and 112.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 16:09:18,812 INFO L158 Benchmark]: TraceAbstraction took 851.89ms. Allocated memory is still 178.3MB. Free memory was 112.7MB in the beginning and 71.8MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2022-11-23 16:09:18,812 INFO L158 Benchmark]: Witness Printer took 5.81ms. Allocated memory is still 178.3MB. Free memory was 71.8MB in the beginning and 70.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 16:09:18,815 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 65.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1280.89ms. Allocated memory is still 178.3MB. Free memory was 142.9MB in the beginning and 132.6MB in the end (delta: 10.3MB). Peak memory consumption was 54.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 82.30ms. Allocated memory is still 178.3MB. Free memory was 131.6MB in the beginning and 129.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.59ms. Allocated memory is still 178.3MB. Free memory was 129.5MB in the beginning and 127.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 582.28ms. Allocated memory is still 178.3MB. Free memory was 127.4MB in the beginning and 112.7MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 851.89ms. Allocated memory is still 178.3MB. Free memory was 112.7MB in the beginning and 71.8MB in the end (delta: 40.9MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * Witness Printer took 5.81ms. Allocated memory is still 178.3MB. Free memory was 71.8MB in the beginning and 70.8MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); [L1578] CALL printLine("Calling bad()...") VAL [#in~line={4:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [#in~argv={1073741827:1073741826}, argc=1073741825, argv={1073741827:1073741826}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, unknown-#in~argc-unknown=1073741825] [L1579] CALL CWE190_Integer_Overflow__int_fgets_multiply_14_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalFive==5 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] COND TRUE globalFive==5 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] COND TRUE data > 0 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data * 2 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 19 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 21 mSDsluCounter, 35 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 14 IncrementalHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 27 mSDtfsCounter, 14 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 18 ConstructedInterpolants, 0 QuantifiedInterpolants, 26 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-23 16:09:18,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 32bde7eeae2a067ecd6e62ce86b7b466cec584089d07daf0a235a3d38a08ce05 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 16:09:21,358 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 16:09:21,362 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 16:09:21,408 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 16:09:21,408 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 16:09:21,413 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 16:09:21,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 16:09:21,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 16:09:21,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 16:09:21,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 16:09:21,419 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 16:09:21,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 16:09:21,421 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 16:09:21,422 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 16:09:21,423 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 16:09:21,429 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 16:09:21,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 16:09:21,438 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 16:09:21,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 16:09:21,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 16:09:21,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 16:09:21,452 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 16:09:21,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 16:09:21,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 16:09:21,457 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 16:09:21,457 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 16:09:21,458 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 16:09:21,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 16:09:21,459 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 16:09:21,460 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 16:09:21,460 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 16:09:21,461 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 16:09:21,462 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 16:09:21,463 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 16:09:21,471 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 16:09:21,472 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 16:09:21,473 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 16:09:21,473 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 16:09:21,473 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 16:09:21,474 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 16:09:21,475 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 16:09:21,480 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/config/svcomp-Overflow-64bit-Taipan_Bitvector.epf [2022-11-23 16:09:21,521 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 16:09:21,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 16:09:21,522 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 16:09:21,523 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 16:09:21,524 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 16:09:21,524 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 16:09:21,524 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 16:09:21,524 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 16:09:21,525 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 16:09:21,525 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 16:09:21,526 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 16:09:21,526 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 16:09:21,527 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 16:09:21,527 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 16:09:21,528 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 16:09:21,528 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 16:09:21,528 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 16:09:21,528 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 16:09:21,528 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-11-23 16:09:21,529 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-23 16:09:21,529 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 16:09:21,529 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-23 16:09:21,529 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 16:09:21,529 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 16:09:21,530 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 16:09:21,530 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 16:09:21,530 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 16:09:21,530 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 16:09:21,531 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:09:21,531 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 16:09:21,531 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 16:09:21,531 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 16:09:21,532 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-23 16:09:21,532 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-23 16:09:21,532 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 16:09:21,532 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 16:09:21,533 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 16:09:21,533 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 32bde7eeae2a067ecd6e62ce86b7b466cec584089d07daf0a235a3d38a08ce05 [2022-11-23 16:09:21,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 16:09:21,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 16:09:21,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 16:09:21,982 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 16:09:21,983 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 16:09:21,985 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i [2022-11-23 16:09:25,151 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 16:09:25,598 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 16:09:25,598 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i [2022-11-23 16:09:25,619 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/data/d8d44d787/c5b740c10fa44ba3a84ed933ad0ea625/FLAG6f546d2ea [2022-11-23 16:09:25,637 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/data/d8d44d787/c5b740c10fa44ba3a84ed933ad0ea625 [2022-11-23 16:09:25,641 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 16:09:25,644 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 16:09:25,645 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 16:09:25,645 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 16:09:25,649 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 16:09:25,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:09:25" (1/1) ... [2022-11-23 16:09:25,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f22c248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:25, skipping insertion in model container [2022-11-23 16:09:25,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:09:25" (1/1) ... [2022-11-23 16:09:25,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 16:09:25,733 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 16:09:26,263 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 16:09:27,041 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 16:09:27,061 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 16:09:27,095 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 16:09:27,222 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 16:09:27,417 INFO L208 MainTranslator]: Completed translation [2022-11-23 16:09:27,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:27 WrapperNode [2022-11-23 16:09:27,418 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 16:09:27,419 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 16:09:27,420 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 16:09:27,420 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 16:09:27,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:27" (1/1) ... [2022-11-23 16:09:27,484 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:27" (1/1) ... [2022-11-23 16:09:27,506 INFO L138 Inliner]: procedures = 505, calls = 62, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 53 [2022-11-23 16:09:27,507 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 16:09:27,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 16:09:27,508 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 16:09:27,508 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 16:09:27,517 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:27" (1/1) ... [2022-11-23 16:09:27,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:27" (1/1) ... [2022-11-23 16:09:27,520 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:27" (1/1) ... [2022-11-23 16:09:27,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:27" (1/1) ... [2022-11-23 16:09:27,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:27" (1/1) ... [2022-11-23 16:09:27,532 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:27" (1/1) ... [2022-11-23 16:09:27,534 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:27" (1/1) ... [2022-11-23 16:09:27,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:27" (1/1) ... [2022-11-23 16:09:27,539 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 16:09:27,540 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 16:09:27,540 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 16:09:27,540 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 16:09:27,541 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:27" (1/1) ... [2022-11-23 16:09:27,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 16:09:27,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 16:09:27,582 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 16:09:27,608 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 16:09:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-23 16:09:27,637 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 16:09:27,637 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 16:09:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 16:09:27,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-23 16:09:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 16:09:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 16:09:27,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 16:09:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 16:09:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 16:09:27,640 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2022-11-23 16:09:27,836 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 16:09:27,838 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 16:09:28,031 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 16:09:28,037 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 16:09:28,046 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 16:09:28,048 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:09:28 BoogieIcfgContainer [2022-11-23 16:09:28,048 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 16:09:28,051 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 16:09:28,051 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 16:09:28,054 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 16:09:28,056 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:09:25" (1/3) ... [2022-11-23 16:09:28,057 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@413bb1e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:09:28, skipping insertion in model container [2022-11-23 16:09:28,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:09:27" (2/3) ... [2022-11-23 16:09:28,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@413bb1e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:09:28, skipping insertion in model container [2022-11-23 16:09:28,059 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:09:28" (3/3) ... [2022-11-23 16:09:28,061 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_14_bad.i [2022-11-23 16:09:28,082 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 16:09:28,083 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-11-23 16:09:28,148 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 16:09:28,156 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;@dc71221, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 16:09:28,156 INFO L358 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-11-23 16:09:28,161 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 21 states have internal predecessors, (25), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-23 16:09:28,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-23 16:09:28,174 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:09:28,175 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:09:28,175 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 16:09:28,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:09:28,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1426013167, now seen corresponding path program 1 times [2022-11-23 16:09:28,195 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 16:09:28,196 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1872176280] [2022-11-23 16:09:28,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:09:28,197 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 16:09:28,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 16:09:28,203 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 16:09:28,247 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-23 16:09:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:09:28,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 16:09:28,332 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 16:09:28,394 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 16:09:28,395 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 16:09:28,395 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 16:09:28,396 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1872176280] [2022-11-23 16:09:28,396 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1872176280] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:09:28,397 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:09:28,397 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 16:09:28,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1310613298] [2022-11-23 16:09:28,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:09:28,404 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:09:28,405 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 16:09:28,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:09:28,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:09:28,437 INFO L87 Difference]: Start difference. First operand has 25 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 21 states have internal predecessors, (25), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-11-23 16:09:28,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:09:28,473 INFO L93 Difference]: Finished difference Result 42 states and 50 transitions. [2022-11-23 16:09:28,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:09:28,475 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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 12 [2022-11-23 16:09:28,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:09:28,483 INFO L225 Difference]: With dead ends: 42 [2022-11-23 16:09:28,483 INFO L226 Difference]: Without dead ends: 18 [2022-11-23 16:09:28,487 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:09:28,490 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 21 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 16:09:28,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 27 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 16:09:28,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2022-11-23 16:09:28,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2022-11-23 16:09:28,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 15 states have internal predecessors, (16), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 16:09:28,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 20 transitions. [2022-11-23 16:09:28,530 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 20 transitions. Word has length 12 [2022-11-23 16:09:28,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:09:28,531 INFO L495 AbstractCegarLoop]: Abstraction has 18 states and 20 transitions. [2022-11-23 16:09:28,532 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 2 states have internal predecessors, (10), 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) [2022-11-23 16:09:28,532 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2022-11-23 16:09:28,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-23 16:09:28,533 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:09:28,534 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:09:28,563 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-23 16:09:28,747 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 16:09:28,747 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 16:09:28,748 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:09:28,748 INFO L85 PathProgramCache]: Analyzing trace with hash -600807242, now seen corresponding path program 1 times [2022-11-23 16:09:28,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 16:09:28,749 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [707975018] [2022-11-23 16:09:28,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:09:28,749 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 16:09:28,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 16:09:28,756 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 16:09:28,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-23 16:09:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 16:09:28,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 16:09:28,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 16:09:28,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 16:09:28,951 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 16:09:28,952 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-23 16:09:28,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [707975018] [2022-11-23 16:09:28,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [707975018] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 16:09:28,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 16:09:28,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 16:09:28,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922632491] [2022-11-23 16:09:28,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 16:09:28,955 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 16:09:28,955 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-23 16:09:28,956 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 16:09:28,957 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:09:28,958 INFO L87 Difference]: Start difference. First operand 18 states and 20 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, (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) [2022-11-23 16:09:28,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 16:09:28,981 INFO L93 Difference]: Finished difference Result 18 states and 20 transitions. [2022-11-23 16:09:28,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 16:09:28,982 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, (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 14 [2022-11-23 16:09:28,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 16:09:28,987 INFO L225 Difference]: With dead ends: 18 [2022-11-23 16:09:28,987 INFO L226 Difference]: Without dead ends: 17 [2022-11-23 16:09:28,987 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 16:09:28,989 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 2 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 16:09:28,990 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 31 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 16:09:28,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2022-11-23 16:09:28,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2022-11-23 16:09:29,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 13 states have (on average 1.1538461538461537) internal successors, (15), 14 states have internal predecessors, (15), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 16:09:29,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 19 transitions. [2022-11-23 16:09:29,002 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 19 transitions. Word has length 14 [2022-11-23 16:09:29,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 16:09:29,003 INFO L495 AbstractCegarLoop]: Abstraction has 17 states and 19 transitions. [2022-11-23 16:09:29,003 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, (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) [2022-11-23 16:09:29,003 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 19 transitions. [2022-11-23 16:09:29,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-23 16:09:29,005 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 16:09:29,006 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 16:09:29,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2022-11-23 16:09:29,206 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 16:09:29,207 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2022-11-23 16:09:29,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 16:09:29,207 INFO L85 PathProgramCache]: Analyzing trace with hash -1445155252, now seen corresponding path program 1 times [2022-11-23 16:09:29,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-23 16:09:29,208 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2028201844] [2022-11-23 16:09:29,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 16:09:29,209 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 16:09:29,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/mathsat [2022-11-23 16:09:29,211 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-23 16:09:29,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-23 16:09:29,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 16:09:29,368 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 16:09:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 16:09:29,432 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-23 16:09:29,433 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-23 16:09:29,434 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 2 remaining) [2022-11-23 16:09:29,436 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 2 remaining) [2022-11-23 16:09:29,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2022-11-23 16:09:29,637 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-23 16:09:29,641 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-23 16:09:29,644 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 16:09:29,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:09:29 BoogieIcfgContainer [2022-11-23 16:09:29,675 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 16:09:29,675 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 16:09:29,675 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 16:09:29,676 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 16:09:29,676 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:09:28" (3/4) ... [2022-11-23 16:09:29,680 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-23 16:09:29,680 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 16:09:29,681 INFO L158 Benchmark]: Toolchain (without parser) took 4037.08ms. Allocated memory was 71.3MB in the beginning and 102.8MB in the end (delta: 31.5MB). Free memory was 45.4MB in the beginning and 60.0MB in the end (delta: -14.6MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2022-11-23 16:09:29,681 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 71.3MB. Free memory is still 49.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 16:09:29,685 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1773.58ms. Allocated memory was 71.3MB in the beginning and 102.8MB in the end (delta: 31.5MB). Free memory was 45.2MB in the beginning and 57.8MB in the end (delta: -12.6MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. [2022-11-23 16:09:29,686 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.48ms. Allocated memory is still 102.8MB. Free memory was 57.8MB in the beginning and 54.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 16:09:29,686 INFO L158 Benchmark]: Boogie Preprocessor took 31.97ms. Allocated memory is still 102.8MB. Free memory was 54.7MB in the beginning and 52.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 16:09:29,687 INFO L158 Benchmark]: RCFGBuilder took 508.56ms. Allocated memory is still 102.8MB. Free memory was 52.6MB in the beginning and 70.2MB in the end (delta: -17.5MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. [2022-11-23 16:09:29,687 INFO L158 Benchmark]: TraceAbstraction took 1623.82ms. Allocated memory is still 102.8MB. Free memory was 69.6MB in the beginning and 60.6MB in the end (delta: 9.0MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. [2022-11-23 16:09:29,688 INFO L158 Benchmark]: Witness Printer took 4.64ms. Allocated memory is still 102.8MB. Free memory was 60.6MB in the beginning and 60.0MB in the end (delta: 629.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 16:09:29,691 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 71.3MB. Free memory is still 49.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1773.58ms. Allocated memory was 71.3MB in the beginning and 102.8MB in the end (delta: 31.5MB). Free memory was 45.2MB in the beginning and 57.8MB in the end (delta: -12.6MB). Peak memory consumption was 34.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.48ms. Allocated memory is still 102.8MB. Free memory was 57.8MB in the beginning and 54.7MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 31.97ms. Allocated memory is still 102.8MB. Free memory was 54.7MB in the beginning and 52.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 508.56ms. Allocated memory is still 102.8MB. Free memory was 52.6MB in the beginning and 70.2MB in the end (delta: -17.5MB). Peak memory consumption was 14.3MB. Max. memory is 16.1GB. * TraceAbstraction took 1623.82ms. Allocated memory is still 102.8MB. Free memory was 69.6MB in the beginning and 60.6MB in the end (delta: 9.0MB). Peak memory consumption was 9.4MB. Max. memory is 16.1GB. * Witness Printer took 4.64ms. Allocated memory is still 102.8MB. Free memory was 60.6MB in the beginning and 60.0MB in the end (delta: 629.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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 - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of atoi at line 1558. Possible FailurePath: [L1522] const int GLOBAL_CONST_TRUE = 1; [L1523] const int GLOBAL_CONST_FALSE = 0; [L1524] const int GLOBAL_CONST_FIVE = 5; [L1525] int globalTrue = 1; [L1526] int globalFalse = 0; [L1527] int globalFive = 5; [L1546] int globalArgc = 0; [L1547] char** globalArgv = ((void *)0); VAL [GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1578] CALL printLine("Calling bad()...") VAL [#in~line={4:0}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1414] COND TRUE line != ((void *)0) [L1578] RET printLine("Calling bad()...") VAL [#in~argv={13:12}, argc=12, argv={13:12}, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1, unknown-#in~argc-unknown=12] [L1579] CALL CWE190_Integer_Overflow__int_fgets_multiply_14_bad() [L1550] int data; [L1551] data = 0 VAL [data=0, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1552] COND TRUE globalFive==5 [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; [L1556] COND TRUE fgets(inputBuffer, (3 * sizeof(data) + 2), stdin) != ((void *)0) [L1558] data = atoi(inputBuffer) [L1555] char inputBuffer[(3 * sizeof(data) + 2)] = ""; VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1566] COND TRUE globalFive==5 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1568] COND TRUE data > 0 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] [L1570] data * 2 VAL [data=1073741824, GLOBAL_CONST_FALSE=0, GLOBAL_CONST_FIVE=5, GLOBAL_CONST_TRUE=1, globalArgc=0, globalArgv={0:0}, globalFalse=0, globalFive=5, globalTrue=1] - UnprovableResult [Line: 1570]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 23 mSDsluCounter, 58 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 14 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 44 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, InterpolantAutomatonStates: 6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 42 SizeOfPredicates, 0 NumberOfNonLiveVariables, 117 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-11-23 16:09:29,731 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8bc185b3-b93b-4de1-8561-eeefeb2d8382/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample