./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_12_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6f32d8-5d44-48e8-a48d-98904ba3e112/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6f32d8-5d44-48e8-a48d-98904ba3e112/bin/uautomizer-ZsLfNo2U6R/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6f32d8-5d44-48e8-a48d-98904ba3e112/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6f32d8-5d44-48e8-a48d-98904ba3e112/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_12_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6f32d8-5d44-48e8-a48d-98904ba3e112/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6f32d8-5d44-48e8-a48d-98904ba3e112/bin/uautomizer-ZsLfNo2U6R --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash aad0f86d7ec66ee2be677dc669c03e51908c72b031bd495b9b858f7b8ca3aec7 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-38b53e6 [2022-11-25 17:03:05,002 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:03:05,004 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:03:05,024 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:03:05,024 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:03:05,025 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:03:05,027 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:03:05,028 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:03:05,030 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:03:05,031 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:03:05,032 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:03:05,033 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:03:05,034 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:03:05,035 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:03:05,036 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:03:05,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:03:05,038 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:03:05,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:03:05,040 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:03:05,042 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:03:05,044 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:03:05,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:03:05,046 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:03:05,047 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:03:05,050 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:03:05,051 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:03:05,051 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:03:05,052 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:03:05,053 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:03:05,053 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:03:05,054 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:03:05,055 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:03:05,055 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:03:05,056 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:03:05,057 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:03:05,057 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:03:05,058 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:03:05,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:03:05,059 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:03:05,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:03:05,061 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:03:05,064 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6f32d8-5d44-48e8-a48d-98904ba3e112/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 17:03:05,109 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:03:05,110 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:03:05,110 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:03:05,110 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:03:05,111 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:03:05,111 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:03:05,112 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:03:05,112 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:03:05,113 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:03:05,113 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:03:05,113 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:03:05,113 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:03:05,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:03:05,114 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:03:05,114 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:03:05,114 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:03:05,114 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 17:03:05,115 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:03:05,115 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:03:05,115 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:03:05,115 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:03:05,116 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:03:05,116 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:03:05,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:03:05,116 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:03:05,117 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:03:05,117 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:03:05,117 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:03:05,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:03:05,118 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:03:05,118 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:03:05,118 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:03:05,118 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:03:05,118 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_ee6f32d8-5d44-48e8-a48d-98904ba3e112/bin/uautomizer-ZsLfNo2U6R/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6f32d8-5d44-48e8-a48d-98904ba3e112/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aad0f86d7ec66ee2be677dc669c03e51908c72b031bd495b9b858f7b8ca3aec7 [2022-11-25 17:03:05,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:03:05,419 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:03:05,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:03:05,423 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:03:05,423 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:03:05,424 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6f32d8-5d44-48e8-a48d-98904ba3e112/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_12_good.i [2022-11-25 17:03:08,432 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:03:08,849 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:03:08,850 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6f32d8-5d44-48e8-a48d-98904ba3e112/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fgets_multiply_12_good.i [2022-11-25 17:03:08,873 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6f32d8-5d44-48e8-a48d-98904ba3e112/bin/uautomizer-ZsLfNo2U6R/data/9ce6114c6/e8e72ff9710d43b7a7e51a387361057a/FLAGe80513bf4 [2022-11-25 17:03:08,887 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6f32d8-5d44-48e8-a48d-98904ba3e112/bin/uautomizer-ZsLfNo2U6R/data/9ce6114c6/e8e72ff9710d43b7a7e51a387361057a [2022-11-25 17:03:08,890 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:03:08,891 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:03:08,892 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:03:08,893 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:03:08,896 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:03:08,897 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:03:08" (1/1) ... [2022-11-25 17:03:08,898 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fa5f73f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:08, skipping insertion in model container [2022-11-25 17:03:08,898 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:03:08" (1/1) ... [2022-11-25 17:03:08,905 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:03:08,959 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:03:09,305 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:03:09,799 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:03:09,805 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:03:09,807 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:03:09,810 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:03:09,811 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:03:09,835 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-25 17:03:09,837 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-25 17:03:09,848 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:03:09,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:03:09,859 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:03:09,879 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:03:09,923 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:03:09,935 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:03:09,948 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:03:09,951 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:03:09,952 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:03:09,957 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-25 17:03:09,958 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-11-25 17:03:09,969 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:03:09,970 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:03:10,109 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:03:10,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:10 WrapperNode [2022-11-25 17:03:10,110 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:03:10,112 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:03:10,112 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:03:10,112 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:03:10,120 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:10" (1/1) ... [2022-11-25 17:03:10,158 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:10" (1/1) ... [2022-11-25 17:03:10,204 INFO L138 Inliner]: procedures = 502, calls = 83, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 113 [2022-11-25 17:03:10,205 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:03:10,206 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:03:10,206 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:03:10,207 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:03:10,216 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:10" (1/1) ... [2022-11-25 17:03:10,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:10" (1/1) ... [2022-11-25 17:03:10,232 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:10" (1/1) ... [2022-11-25 17:03:10,247 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:10" (1/1) ... [2022-11-25 17:03:10,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:10" (1/1) ... [2022-11-25 17:03:10,254 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:10" (1/1) ... [2022-11-25 17:03:10,255 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:10" (1/1) ... [2022-11-25 17:03:10,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:10" (1/1) ... [2022-11-25 17:03:10,259 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:03:10,260 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:03:10,273 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:03:10,274 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:03:10,275 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:10" (1/1) ... [2022-11-25 17:03:10,281 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:03:10,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6f32d8-5d44-48e8-a48d-98904ba3e112/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:03:10,315 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6f32d8-5d44-48e8-a48d-98904ba3e112/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:03:10,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6f32d8-5d44-48e8-a48d-98904ba3e112/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:03:10,350 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-25 17:03:10,350 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-25 17:03:10,350 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-11-25 17:03:10,350 INFO L130 BoogieDeclarations]: Found specification of procedure globalReturnsTrueOrFalse [2022-11-25 17:03:10,351 INFO L138 BoogieDeclarations]: Found implementation of procedure globalReturnsTrueOrFalse [2022-11-25 17:03:10,351 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 17:03:10,351 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 17:03:10,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:03:10,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-25 17:03:10,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:03:10,352 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:03:10,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:03:10,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:03:10,352 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 17:03:10,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:03:10,583 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:03:10,600 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:03:10,893 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:03:10,899 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:03:10,900 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:03:10,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:03:10 BoogieIcfgContainer [2022-11-25 17:03:10,902 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:03:10,904 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:03:10,905 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:03:10,907 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:03:10,908 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:03:08" (1/3) ... [2022-11-25 17:03:10,908 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22ca4cdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:03:10, skipping insertion in model container [2022-11-25 17:03:10,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:10" (2/3) ... [2022-11-25 17:03:10,909 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22ca4cdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:03:10, skipping insertion in model container [2022-11-25 17:03:10,909 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:03:10" (3/3) ... [2022-11-25 17:03:10,911 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fgets_multiply_12_good.i [2022-11-25 17:03:10,933 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:03:10,933 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-25 17:03:10,991 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:03:10,997 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=PETRI_NET, 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;@50a4ff9e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:03:10,998 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-25 17:03:11,002 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 42 states have (on average 1.5) internal successors, (63), 58 states have internal predecessors, (63), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2022-11-25 17:03:11,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-25 17:03:11,011 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:03:11,011 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:03:11,012 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 17:03:11,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:03:11,018 INFO L85 PathProgramCache]: Analyzing trace with hash -785427564, now seen corresponding path program 1 times [2022-11-25 17:03:11,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:03:11,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1309835525] [2022-11-25 17:03:11,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:03:11,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:03:11,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:11,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:03:11,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:11,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:03:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:11,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:03:11,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:11,539 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 17:03:11,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:03:11,540 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1309835525] [2022-11-25 17:03:11,540 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1309835525] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:03:11,541 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:03:11,541 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:03:11,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440328520] [2022-11-25 17:03:11,543 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:03:11,548 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:03:11,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:03:11,592 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:03:11,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:03:11,594 INFO L87 Difference]: Start difference. First operand has 68 states, 42 states have (on average 1.5) internal successors, (63), 58 states have internal predecessors, (63), 14 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 17:03:11,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:03:11,653 INFO L93 Difference]: Finished difference Result 94 states and 125 transitions. [2022-11-25 17:03:11,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:03:11,657 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 25 [2022-11-25 17:03:11,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:03:11,667 INFO L225 Difference]: With dead ends: 94 [2022-11-25 17:03:11,667 INFO L226 Difference]: Without dead ends: 74 [2022-11-25 17:03:11,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:03:11,673 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 33 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:03:11,674 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 186 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:03:11,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-11-25 17:03:11,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 57. [2022-11-25 17:03:11,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 48 states have internal predecessors, (52), 11 states have call successors, (11), 3 states have call predecessors, (11), 3 states have return successors, (11), 8 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-25 17:03:11,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 74 transitions. [2022-11-25 17:03:11,722 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 74 transitions. Word has length 25 [2022-11-25 17:03:11,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:03:11,723 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 74 transitions. [2022-11-25 17:03:11,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.5) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 17:03:11,724 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 74 transitions. [2022-11-25 17:03:11,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-25 17:03:11,726 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:03:11,726 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:03:11,726 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:03:11,727 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 17:03:11,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:03:11,728 INFO L85 PathProgramCache]: Analyzing trace with hash 1421549397, now seen corresponding path program 1 times [2022-11-25 17:03:11,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:03:11,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325149374] [2022-11-25 17:03:11,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:03:11,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:03:11,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:11,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:03:11,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:11,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:03:11,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:11,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:03:11,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:11,848 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-11-25 17:03:11,849 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:03:11,849 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325149374] [2022-11-25 17:03:11,849 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1325149374] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:03:11,850 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:03:11,850 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:03:11,850 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188037275] [2022-11-25 17:03:11,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:03:11,852 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:03:11,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:03:11,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:03:11,853 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:03:11,853 INFO L87 Difference]: Start difference. First operand 57 states and 74 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 17:03:11,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:03:11,899 INFO L93 Difference]: Finished difference Result 109 states and 137 transitions. [2022-11-25 17:03:11,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:03:11,900 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 26 [2022-11-25 17:03:11,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:03:11,902 INFO L225 Difference]: With dead ends: 109 [2022-11-25 17:03:11,902 INFO L226 Difference]: Without dead ends: 81 [2022-11-25 17:03:11,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:03:11,904 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 30 mSDsluCounter, 48 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:03:11,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 125 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:03:11,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-11-25 17:03:11,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 64. [2022-11-25 17:03:11,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 45 states have (on average 1.3555555555555556) internal successors, (61), 52 states have internal predecessors, (61), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-25 17:03:11,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 85 transitions. [2022-11-25 17:03:11,917 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 85 transitions. Word has length 26 [2022-11-25 17:03:11,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:03:11,917 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 85 transitions. [2022-11-25 17:03:11,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 17:03:11,918 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 85 transitions. [2022-11-25 17:03:11,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-25 17:03:11,919 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:03:11,920 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:03:11,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 17:03:11,920 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-25 17:03:11,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:03:11,921 INFO L85 PathProgramCache]: Analyzing trace with hash -543033094, now seen corresponding path program 1 times [2022-11-25 17:03:11,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:03:11,922 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [896927557] [2022-11-25 17:03:11,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:03:11,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:03:11,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:12,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:03:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:12,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:03:12,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:12,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-25 17:03:12,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:12,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-25 17:03:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:12,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-11-25 17:03:12,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:03:12,068 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-25 17:03:12,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:03:12,068 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [896927557] [2022-11-25 17:03:12,069 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [896927557] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:03:12,069 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:03:12,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:03:12,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1292954101] [2022-11-25 17:03:12,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:03:12,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:03:12,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:03:12,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:03:12,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:03:12,072 INFO L87 Difference]: Start difference. First operand 64 states and 85 transitions. Second operand has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-25 17:03:12,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:03:12,090 INFO L93 Difference]: Finished difference Result 64 states and 85 transitions. [2022-11-25 17:03:12,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:03:12,091 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 38 [2022-11-25 17:03:12,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:03:12,092 INFO L225 Difference]: With dead ends: 64 [2022-11-25 17:03:12,092 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 17:03:12,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:03:12,094 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 4 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:03:12,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 121 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:03:12,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 17:03:12,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 17:03:12,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-25 17:03:12,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 17:03:12,097 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2022-11-25 17:03:12,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:03:12,097 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 17:03:12,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.0) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-11-25 17:03:12,097 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 17:03:12,098 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 17:03:12,101 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-25 17:03:12,101 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-25 17:03:12,102 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-25 17:03:12,102 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-25 17:03:12,102 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-25 17:03:12,103 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-25 17:03:12,103 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-25 17:03:12,103 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-25 17:03:12,104 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 17:03:12,106 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 17:03:12,148 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-25 17:03:12,149 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 17:03:12,149 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-25 17:03:12,149 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 17:03:12,149 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueOrFalseFINAL(lines 1518 1521) no Hoare annotation was computed. [2022-11-25 17:03:12,149 INFO L899 garLoopResultBuilder]: For program point globalReturnsTrueOrFalseEXIT(lines 1518 1521) no Hoare annotation was computed. [2022-11-25 17:03:12,150 INFO L902 garLoopResultBuilder]: At program point globalReturnsTrueOrFalseENTRY(lines 1518 1521) the Hoare annotation is: true [2022-11-25 17:03:12,150 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 17:03:12,150 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-25 17:03:12,150 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 17:03:12,151 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1601) no Hoare annotation was computed. [2022-11-25 17:03:12,151 INFO L899 garLoopResultBuilder]: For program point L1580(line 1580) no Hoare annotation was computed. [2022-11-25 17:03:12,151 INFO L899 garLoopResultBuilder]: For program point L1580-1(lines 1580 1609) no Hoare annotation was computed. [2022-11-25 17:03:12,151 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1635) no Hoare annotation was computed. [2022-11-25 17:03:12,152 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2022-11-25 17:03:12,152 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 17:03:12,152 INFO L899 garLoopResultBuilder]: For program point L1597(lines 1597 1608) no Hoare annotation was computed. [2022-11-25 17:03:12,152 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 17:03:12,152 INFO L899 garLoopResultBuilder]: For program point L1597-1(lines 1580 1609) no Hoare annotation was computed. [2022-11-25 17:03:12,153 INFO L899 garLoopResultBuilder]: For program point L1556(lines 1556 1563) no Hoare annotation was computed. [2022-11-25 17:03:12,153 INFO L895 garLoopResultBuilder]: At program point L1606(line 1606) the Hoare annotation is: (<= 1 |ULTIMATE.start_goodB2G_~data~0#1|) [2022-11-25 17:03:12,153 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2022-11-25 17:03:12,153 INFO L899 garLoopResultBuilder]: For program point L1623(line 1623) no Hoare annotation was computed. [2022-11-25 17:03:12,154 INFO L899 garLoopResultBuilder]: For program point L1623-1(lines 1623 1638) no Hoare annotation was computed. [2022-11-25 17:03:12,154 INFO L902 garLoopResultBuilder]: At program point L1648(line 1648) the Hoare annotation is: true [2022-11-25 17:03:12,154 INFO L899 garLoopResultBuilder]: For program point L1648-1(line 1648) no Hoare annotation was computed. [2022-11-25 17:03:12,154 INFO L902 garLoopResultBuilder]: At program point L1615(line 1615) the Hoare annotation is: true [2022-11-25 17:03:12,155 INFO L899 garLoopResultBuilder]: For program point L1582(lines 1582 1593) no Hoare annotation was computed. [2022-11-25 17:03:12,155 INFO L899 garLoopResultBuilder]: For program point L1615-1(line 1615) no Hoare annotation was computed. [2022-11-25 17:03:12,155 INFO L899 garLoopResultBuilder]: For program point L1615-2(lines 1615 1622) no Hoare annotation was computed. [2022-11-25 17:03:12,155 INFO L895 garLoopResultBuilder]: At program point L1615-4(lines 1615 1622) the Hoare annotation is: (= |ULTIMATE.start_goodG2B_~data~1#1| 2) [2022-11-25 17:03:12,156 INFO L899 garLoopResultBuilder]: For program point L1640(lines 1640 1644) no Hoare annotation was computed. [2022-11-25 17:03:12,156 INFO L899 garLoopResultBuilder]: For program point L1599(lines 1599 1607) no Hoare annotation was computed. [2022-11-25 17:03:12,156 INFO L895 garLoopResultBuilder]: At program point L1591(line 1591) the Hoare annotation is: (<= 1 |ULTIMATE.start_goodB2G_~data~0#1|) [2022-11-25 17:03:12,156 INFO L899 garLoopResultBuilder]: For program point L1633(lines 1633 1637) no Hoare annotation was computed. [2022-11-25 17:03:12,156 INFO L899 garLoopResultBuilder]: For program point L1633-1(lines 1623 1638) no Hoare annotation was computed. [2022-11-25 17:03:12,157 INFO L899 garLoopResultBuilder]: For program point L1625(lines 1625 1629) no Hoare annotation was computed. [2022-11-25 17:03:12,157 INFO L902 garLoopResultBuilder]: At program point L1650(line 1650) the Hoare annotation is: true [2022-11-25 17:03:12,157 INFO L899 garLoopResultBuilder]: For program point L1650-1(line 1650) no Hoare annotation was computed. [2022-11-25 17:03:12,157 INFO L899 garLoopResultBuilder]: For program point L1584(lines 1584 1592) no Hoare annotation was computed. [2022-11-25 17:03:12,158 INFO L895 garLoopResultBuilder]: At program point L1576(line 1576) the Hoare annotation is: (<= |ULTIMATE.start_goodB2G_~data~0#1| 1073741822) [2022-11-25 17:03:12,158 INFO L899 garLoopResultBuilder]: For program point L1576-1(lines 1570 1577) no Hoare annotation was computed. [2022-11-25 17:03:12,158 INFO L899 garLoopResultBuilder]: For program point L1601(line 1601) no Hoare annotation was computed. [2022-11-25 17:03:12,158 INFO L899 garLoopResultBuilder]: For program point L1601-1(line 1601) no Hoare annotation was computed. [2022-11-25 17:03:12,158 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 17:03:12,159 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1627) no Hoare annotation was computed. [2022-11-25 17:03:12,159 INFO L902 garLoopResultBuilder]: At program point L1651(lines 1645 1652) the Hoare annotation is: true [2022-11-25 17:03:12,159 INFO L895 garLoopResultBuilder]: At program point L1552(line 1552) the Hoare annotation is: (<= |ULTIMATE.start_goodB2G_~data~0#1| 1073741822) [2022-11-25 17:03:12,159 INFO L899 garLoopResultBuilder]: For program point L1552-1(line 1552) no Hoare annotation was computed. [2022-11-25 17:03:12,160 INFO L899 garLoopResultBuilder]: For program point L1552-2(lines 1552 1579) no Hoare annotation was computed. [2022-11-25 17:03:12,160 INFO L902 garLoopResultBuilder]: At program point L1552-4(lines 1552 1579) the Hoare annotation is: true [2022-11-25 17:03:12,160 INFO L899 garLoopResultBuilder]: For program point L1635(line 1635) no Hoare annotation was computed. [2022-11-25 17:03:12,160 INFO L895 garLoopResultBuilder]: At program point L1602(line 1602) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_goodB2G_~data~0#1|) (<= |ULTIMATE.start_goodB2G_~data~0#1| 1073741822)) [2022-11-25 17:03:12,160 INFO L899 garLoopResultBuilder]: For program point L1635-1(line 1635) no Hoare annotation was computed. [2022-11-25 17:03:12,161 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 17:03:12,161 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1627) no Hoare annotation was computed. [2022-11-25 17:03:12,161 INFO L899 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2022-11-25 17:03:12,161 INFO L899 garLoopResultBuilder]: For program point L1627-1(line 1627) no Hoare annotation was computed. [2022-11-25 17:03:12,161 INFO L899 garLoopResultBuilder]: For program point L1586(line 1586) no Hoare annotation was computed. [2022-11-25 17:03:12,162 INFO L899 garLoopResultBuilder]: For program point L1586-1(line 1586) no Hoare annotation was computed. [2022-11-25 17:03:12,162 INFO L902 garLoopResultBuilder]: At program point L1636(line 1636) the Hoare annotation is: true [2022-11-25 17:03:12,162 INFO L899 garLoopResultBuilder]: For program point L1570(lines 1570 1577) no Hoare annotation was computed. [2022-11-25 17:03:12,162 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1601) no Hoare annotation was computed. [2022-11-25 17:03:12,163 INFO L902 garLoopResultBuilder]: At program point L1628(line 1628) the Hoare annotation is: true [2022-11-25 17:03:12,163 INFO L895 garLoopResultBuilder]: At program point L1562(line 1562) the Hoare annotation is: (<= |ULTIMATE.start_goodB2G_~data~0#1| 1073741822) [2022-11-25 17:03:12,163 INFO L899 garLoopResultBuilder]: For program point L1562-1(lines 1556 1563) no Hoare annotation was computed. [2022-11-25 17:03:12,163 INFO L895 garLoopResultBuilder]: At program point L1587(line 1587) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_goodB2G_~data~0#1|) (<= |ULTIMATE.start_goodB2G_~data~0#1| 1073741822)) [2022-11-25 17:03:12,163 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1635) no Hoare annotation was computed. [2022-11-25 17:03:12,167 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-25 17:03:12,169 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:03:12,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:03:12 BoogieIcfgContainer [2022-11-25 17:03:12,178 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:03:12,178 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:03:12,179 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:03:12,183 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:03:12,183 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:03:10" (3/4) ... [2022-11-25 17:03:12,188 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 17:03:12,195 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-25 17:03:12,195 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure globalReturnsTrueOrFalse [2022-11-25 17:03:12,195 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-25 17:03:12,203 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-25 17:03:12,203 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-25 17:03:12,203 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-25 17:03:12,204 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 17:03:12,204 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 17:03:12,278 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6f32d8-5d44-48e8-a48d-98904ba3e112/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 17:03:12,278 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:03:12,279 INFO L158 Benchmark]: Toolchain (without parser) took 3387.49ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 99.2MB in the beginning and 62.2MB in the end (delta: 37.0MB). Peak memory consumption was 60.7MB. Max. memory is 16.1GB. [2022-11-25 17:03:12,279 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 98.6MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:03:12,279 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1218.57ms. Allocated memory is still 130.0MB. Free memory was 99.2MB in the beginning and 80.5MB in the end (delta: 18.6MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. [2022-11-25 17:03:12,279 INFO L158 Benchmark]: Boogie Procedure Inliner took 93.26ms. Allocated memory is still 130.0MB. Free memory was 80.5MB in the beginning and 77.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 17:03:12,280 INFO L158 Benchmark]: Boogie Preprocessor took 53.79ms. Allocated memory is still 130.0MB. Free memory was 77.7MB in the beginning and 75.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:03:12,280 INFO L158 Benchmark]: RCFGBuilder took 642.25ms. Allocated memory is still 130.0MB. Free memory was 75.6MB in the beginning and 59.6MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-25 17:03:12,281 INFO L158 Benchmark]: TraceAbstraction took 1273.38ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 58.9MB in the beginning and 66.4MB in the end (delta: -7.5MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. [2022-11-25 17:03:12,281 INFO L158 Benchmark]: Witness Printer took 99.63ms. Allocated memory is still 157.3MB. Free memory was 66.4MB in the beginning and 62.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 17:03:12,285 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 98.6MB. Free memory is still 65.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1218.57ms. Allocated memory is still 130.0MB. Free memory was 99.2MB in the beginning and 80.5MB in the end (delta: 18.6MB). Peak memory consumption was 52.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 93.26ms. Allocated memory is still 130.0MB. Free memory was 80.5MB in the beginning and 77.7MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 53.79ms. Allocated memory is still 130.0MB. Free memory was 77.7MB in the beginning and 75.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 642.25ms. Allocated memory is still 130.0MB. Free memory was 75.6MB in the beginning and 59.6MB in the end (delta: 16.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1273.38ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 58.9MB in the beginning and 66.4MB in the end (delta: -7.5MB). Peak memory consumption was 16.2MB. Max. memory is 16.1GB. * Witness Printer took 99.63ms. Allocated memory is still 157.3MB. Free memory was 66.4MB in the beginning and 62.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1601]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1601]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1627]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1627]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1635]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1635]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 68 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 3, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 84 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 67 mSDsluCounter, 432 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 178 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 36 IncrementalHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 254 mSDtfsCounter, 36 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred in iteration=0, InterpolantAutomatonStates: 9, 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, 3 MinimizatonAttempts, 34 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 18 LocationsWithAnnotation, 37 PreInvPairs, 46 NumberOfFragments, 42 HoareAnnotationTreeSize, 37 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 18 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 89 NumberOfCodeBlocks, 89 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 86 ConstructedInterpolants, 0 QuantifiedInterpolants, 104 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 24/24 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1645]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-25 17:03:12,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6f32d8-5d44-48e8-a48d-98904ba3e112/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE