./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_65_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 38b53e6a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b6e7e0-8469-4f7f-a5ca-abc97975382a/bin/uautomizer-ZsLfNo2U6R/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b6e7e0-8469-4f7f-a5ca-abc97975382a/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_17b6e7e0-8469-4f7f-a5ca-abc97975382a/bin/uautomizer-ZsLfNo2U6R/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b6e7e0-8469-4f7f-a5ca-abc97975382a/bin/uautomizer-ZsLfNo2U6R/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_65_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b6e7e0-8469-4f7f-a5ca-abc97975382a/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_17b6e7e0-8469-4f7f-a5ca-abc97975382a/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 7bf21a3e1e114bffc19370352e28c32d3665056e9fe88e223bf8fe7ed0e63863 --- 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 17:16:30,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-25 17:16:30,697 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-25 17:16:30,728 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-25 17:16:30,729 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-25 17:16:30,730 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-25 17:16:30,736 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-25 17:16:30,740 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-25 17:16:30,742 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-25 17:16:30,748 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-25 17:16:30,750 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-25 17:16:30,752 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-25 17:16:30,753 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-25 17:16:30,757 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-25 17:16:30,760 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-25 17:16:30,762 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-25 17:16:30,764 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-25 17:16:30,765 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-25 17:16:30,766 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-25 17:16:30,773 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-25 17:16:30,774 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-25 17:16:30,777 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-25 17:16:30,779 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-25 17:16:30,780 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-25 17:16:30,791 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-25 17:16:30,791 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-25 17:16:30,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-25 17:16:30,794 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-25 17:16:30,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-25 17:16:30,796 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-25 17:16:30,796 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-25 17:16:30,797 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-25 17:16:30,799 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-25 17:16:30,800 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-25 17:16:30,801 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-25 17:16:30,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-25 17:16:30,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-25 17:16:30,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-25 17:16:30,803 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-25 17:16:30,805 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-25 17:16:30,805 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-25 17:16:30,806 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b6e7e0-8469-4f7f-a5ca-abc97975382a/bin/uautomizer-ZsLfNo2U6R/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-25 17:16:30,848 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-25 17:16:30,848 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-25 17:16:30,849 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-25 17:16:30,849 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-25 17:16:30,850 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-25 17:16:30,851 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-25 17:16:30,852 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-25 17:16:30,852 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-25 17:16:30,852 INFO L138 SettingsManager]: * Use SBE=true [2022-11-25 17:16:30,852 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-25 17:16:30,854 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-25 17:16:30,854 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-25 17:16:30,854 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-25 17:16:30,854 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-25 17:16:30,855 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-25 17:16:30,855 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-25 17:16:30,855 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-25 17:16:30,855 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-25 17:16:30,856 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-25 17:16:30,856 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-25 17:16:30,856 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-25 17:16:30,856 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-25 17:16:30,857 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-25 17:16:30,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:16:30,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-25 17:16:30,857 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-25 17:16:30,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-25 17:16:30,858 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-25 17:16:30,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-25 17:16:30,858 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-25 17:16:30,859 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-25 17:16:30,859 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-25 17:16:30,859 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-25 17:16:30,860 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_17b6e7e0-8469-4f7f-a5ca-abc97975382a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b6e7e0-8469-4f7f-a5ca-abc97975382a/bin/uautomizer-ZsLfNo2U6R Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7bf21a3e1e114bffc19370352e28c32d3665056e9fe88e223bf8fe7ed0e63863 [2022-11-25 17:16:31,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-25 17:16:31,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-25 17:16:31,247 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-25 17:16:31,248 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-25 17:16:31,249 INFO L275 PluginConnector]: CDTParser initialized [2022-11-25 17:16:31,250 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b6e7e0-8469-4f7f-a5ca-abc97975382a/bin/uautomizer-ZsLfNo2U6R/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_65_good.i [2022-11-25 17:16:34,371 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-25 17:16:34,801 INFO L351 CDTParser]: Found 1 translation units. [2022-11-25 17:16:34,802 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b6e7e0-8469-4f7f-a5ca-abc97975382a/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fscanf_sub_65_good.i [2022-11-25 17:16:34,826 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b6e7e0-8469-4f7f-a5ca-abc97975382a/bin/uautomizer-ZsLfNo2U6R/data/c86bc8fc1/e3499bdbdcf6440196824a45e4f81278/FLAG201e560f2 [2022-11-25 17:16:34,843 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b6e7e0-8469-4f7f-a5ca-abc97975382a/bin/uautomizer-ZsLfNo2U6R/data/c86bc8fc1/e3499bdbdcf6440196824a45e4f81278 [2022-11-25 17:16:34,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-25 17:16:34,848 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-25 17:16:34,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-25 17:16:34,849 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-25 17:16:34,853 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-25 17:16:34,854 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:16:34" (1/1) ... [2022-11-25 17:16:34,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76d80209 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:16:34, skipping insertion in model container [2022-11-25 17:16:34,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:16:34" (1/1) ... [2022-11-25 17:16:34,862 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-25 17:16:34,921 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-25 17:16:35,289 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:16:35,793 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:16:35,800 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:16:35,802 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:16:35,805 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:16:35,806 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:16:35,838 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:16:35,842 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:16:35,852 INFO L203 MainTranslator]: Completed pre-run [2022-11-25 17:16:35,871 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-25 17:16:35,921 WARN L623 FunctionHandler]: Unknown extern function puts [2022-11-25 17:16:35,923 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:16:35,924 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-11-25 17:16:35,926 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:16:35,927 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-11-25 17:16:35,933 WARN L623 FunctionHandler]: Unknown extern function time [2022-11-25 17:16:35,936 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-25 17:16:36,099 INFO L208 MainTranslator]: Completed translation [2022-11-25 17:16:36,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:16:36 WrapperNode [2022-11-25 17:16:36,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-25 17:16:36,100 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-25 17:16:36,101 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-25 17:16:36,101 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-25 17:16:36,107 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:16:36" (1/1) ... [2022-11-25 17:16:36,131 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:16:36" (1/1) ... [2022-11-25 17:16:36,154 INFO L138 Inliner]: procedures = 504, calls = 68, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 63 [2022-11-25 17:16:36,155 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-25 17:16:36,156 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-25 17:16:36,156 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-25 17:16:36,156 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-25 17:16:36,170 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:16:36" (1/1) ... [2022-11-25 17:16:36,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:16:36" (1/1) ... [2022-11-25 17:16:36,174 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:16:36" (1/1) ... [2022-11-25 17:16:36,175 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:16:36" (1/1) ... [2022-11-25 17:16:36,181 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:16:36" (1/1) ... [2022-11-25 17:16:36,183 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:16:36" (1/1) ... [2022-11-25 17:16:36,184 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:16:36" (1/1) ... [2022-11-25 17:16:36,186 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:16:36" (1/1) ... [2022-11-25 17:16:36,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-25 17:16:36,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-25 17:16:36,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-25 17:16:36,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-25 17:16:36,190 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:16:36" (1/1) ... [2022-11-25 17:16:36,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-25 17:16:36,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b6e7e0-8469-4f7f-a5ca-abc97975382a/bin/uautomizer-ZsLfNo2U6R/z3 [2022-11-25 17:16:36,237 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b6e7e0-8469-4f7f-a5ca-abc97975382a/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-25 17:16:36,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b6e7e0-8469-4f7f-a5ca-abc97975382a/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-25 17:16:36,280 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-25 17:16:36,280 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-25 17:16:36,280 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-25 17:16:36,280 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-25 17:16:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-25 17:16:36,281 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-25 17:16:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-25 17:16:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~TO~VOID [2022-11-25 17:16:36,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~TO~VOID [2022-11-25 17:16:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-25 17:16:36,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-25 17:16:36,282 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-25 17:16:36,283 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-25 17:16:36,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-25 17:16:36,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-25 17:16:36,425 INFO L235 CfgBuilder]: Building ICFG [2022-11-25 17:16:36,427 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-25 17:16:36,594 INFO L276 CfgBuilder]: Performing block encoding [2022-11-25 17:16:36,601 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-25 17:16:36,601 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-25 17:16:36,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:16:36 BoogieIcfgContainer [2022-11-25 17:16:36,603 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-25 17:16:36,605 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-25 17:16:36,606 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-25 17:16:36,609 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-25 17:16:36,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 05:16:34" (1/3) ... [2022-11-25 17:16:36,610 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fee397a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:16:36, skipping insertion in model container [2022-11-25 17:16:36,610 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:16:36" (2/3) ... [2022-11-25 17:16:36,611 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7fee397a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 05:16:36, skipping insertion in model container [2022-11-25 17:16:36,611 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:16:36" (3/3) ... [2022-11-25 17:16:36,612 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fscanf_sub_65_good.i [2022-11-25 17:16:36,633 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-25 17:16:36,633 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-25 17:16:36,681 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-25 17:16:36,688 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;@550e82e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-25 17:16:36,689 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-25 17:16:36,697 INFO L276 IsEmpty]: Start isEmpty. Operand has 40 states, 25 states have (on average 1.28) internal successors, (32), 30 states have internal predecessors, (32), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) [2022-11-25 17:16:36,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-25 17:16:36,711 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:16:36,713 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:16:36,714 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-25 17:16:36,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:16:36,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1471228859, now seen corresponding path program 1 times [2022-11-25 17:16:36,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:16:36,730 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267935684] [2022-11-25 17:16:36,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:16:36,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:16:36,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:16:37,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:16:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:16:37,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:16:37,154 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:16:37,154 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267935684] [2022-11-25 17:16:37,155 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267935684] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:16:37,155 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:16:37,156 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:16:37,157 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1748677885] [2022-11-25 17:16:37,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:16:37,163 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:16:37,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:16:37,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:16:37,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:16:37,213 INFO L87 Difference]: Start difference. First operand has 40 states, 25 states have (on average 1.28) internal successors, (32), 30 states have internal predecessors, (32), 7 states have call successors, (7), 3 states have call predecessors, (7), 3 states have return successors, (7), 6 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 6 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:16:37,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:16:37,366 INFO L93 Difference]: Finished difference Result 60 states and 70 transitions. [2022-11-25 17:16:37,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:16:37,369 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-25 17:16:37,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:16:37,377 INFO L225 Difference]: With dead ends: 60 [2022-11-25 17:16:37,378 INFO L226 Difference]: Without dead ends: 44 [2022-11-25 17:16:37,381 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-25 17:16:37,385 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 43 mSDsluCounter, 153 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 195 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-25 17:16:37,386 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 195 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-25 17:16:37,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-25 17:16:37,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 39. [2022-11-25 17:16:37,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 30 states have internal predecessors, (35), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 17:16:37,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 46 transitions. [2022-11-25 17:16:37,428 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 46 transitions. Word has length 12 [2022-11-25 17:16:37,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:16:37,430 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 46 transitions. [2022-11-25 17:16:37,430 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.25) internal successors, (9), 5 states have internal predecessors, (9), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:16:37,431 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 46 transitions. [2022-11-25 17:16:37,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 17:16:37,432 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:16:37,432 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:16:37,432 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-25 17:16:37,433 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-25 17:16:37,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:16:37,434 INFO L85 PathProgramCache]: Analyzing trace with hash 1636530845, now seen corresponding path program 1 times [2022-11-25 17:16:37,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:16:37,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882103357] [2022-11-25 17:16:37,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:16:37,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:16:37,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:16:37,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:16:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:16:37,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:16:37,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:16:37,505 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882103357] [2022-11-25 17:16:37,505 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [882103357] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:16:37,505 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:16:37,506 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-25 17:16:37,506 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53128135] [2022-11-25 17:16:37,506 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:16:37,507 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-25 17:16:37,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:16:37,508 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-25 17:16:37,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-25 17:16:37,509 INFO L87 Difference]: Start difference. First operand 39 states and 46 transitions. Second operand has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:16:37,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:16:37,523 INFO L93 Difference]: Finished difference Result 42 states and 49 transitions. [2022-11-25 17:16:37,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-25 17:16:37,524 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-25 17:16:37,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:16:37,525 INFO L225 Difference]: With dead ends: 42 [2022-11-25 17:16:37,525 INFO L226 Difference]: Without dead ends: 41 [2022-11-25 17:16:37,526 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 17:16:37,527 INFO L413 NwaCegarLoop]: 35 mSDtfsCounter, 5 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:16:37,528 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 65 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:16:37,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-11-25 17:16:37,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 38. [2022-11-25 17:16:37,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 26 states have (on average 1.2692307692307692) internal successors, (33), 29 states have internal predecessors, (33), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 17:16:37,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 44 transitions. [2022-11-25 17:16:37,537 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 44 transitions. Word has length 13 [2022-11-25 17:16:37,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:16:37,537 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 44 transitions. [2022-11-25 17:16:37,537 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.0) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:16:37,538 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2022-11-25 17:16:37,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-25 17:16:37,538 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:16:37,538 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:16:37,539 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-25 17:16:37,539 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-25 17:16:37,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:16:37,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1636545708, now seen corresponding path program 1 times [2022-11-25 17:16:37,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:16:37,540 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059413760] [2022-11-25 17:16:37,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:16:37,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:16:37,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:16:37,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:16:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:16:37,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:16:37,757 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:16:37,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1059413760] [2022-11-25 17:16:37,757 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1059413760] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:16:37,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:16:37,758 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:16:37,758 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854827415] [2022-11-25 17:16:37,758 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:16:37,758 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:16:37,759 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:16:37,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:16:37,760 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:16:37,760 INFO L87 Difference]: Start difference. First operand 38 states and 44 transitions. Second operand has 6 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:16:37,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:16:37,827 INFO L93 Difference]: Finished difference Result 42 states and 46 transitions. [2022-11-25 17:16:37,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-25 17:16:37,828 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 13 [2022-11-25 17:16:37,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:16:37,829 INFO L225 Difference]: With dead ends: 42 [2022-11-25 17:16:37,830 INFO L226 Difference]: Without dead ends: 41 [2022-11-25 17:16:37,830 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-25 17:16:37,831 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 31 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:16:37,832 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 127 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:16:37,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-11-25 17:16:37,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 38. [2022-11-25 17:16:37,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 26 states have (on average 1.2307692307692308) internal successors, (32), 29 states have internal predecessors, (32), 6 states have call successors, (6), 4 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-25 17:16:37,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 43 transitions. [2022-11-25 17:16:37,842 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 43 transitions. Word has length 13 [2022-11-25 17:16:37,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:16:37,843 INFO L495 AbstractCegarLoop]: Abstraction has 38 states and 43 transitions. [2022-11-25 17:16:37,843 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:16:37,843 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 43 transitions. [2022-11-25 17:16:37,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-11-25 17:16:37,844 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:16:37,844 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-25 17:16:37,844 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-25 17:16:37,844 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-25 17:16:37,845 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:16:37,845 INFO L85 PathProgramCache]: Analyzing trace with hash -807151288, now seen corresponding path program 1 times [2022-11-25 17:16:37,846 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:16:37,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1038359435] [2022-11-25 17:16:37,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:16:37,846 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:16:37,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:16:38,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:16:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:16:38,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:16:38,013 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:16:38,014 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1038359435] [2022-11-25 17:16:38,014 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1038359435] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:16:38,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:16:38,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:16:38,015 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899099702] [2022-11-25 17:16:38,015 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:16:38,016 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:16:38,016 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:16:38,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:16:38,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:16:38,019 INFO L87 Difference]: Start difference. First operand 38 states and 43 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:16:38,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:16:38,046 INFO L93 Difference]: Finished difference Result 59 states and 62 transitions. [2022-11-25 17:16:38,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 17:16:38,047 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 14 [2022-11-25 17:16:38,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:16:38,048 INFO L225 Difference]: With dead ends: 59 [2022-11-25 17:16:38,049 INFO L226 Difference]: Without dead ends: 32 [2022-11-25 17:16:38,050 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:16:38,053 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 6 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:16:38,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 67 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:16:38,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2022-11-25 17:16:38,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2022-11-25 17:16:38,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 24 states have internal predecessors, (25), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 17:16:38,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2022-11-25 17:16:38,071 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 14 [2022-11-25 17:16:38,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:16:38,071 INFO L495 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2022-11-25 17:16:38,071 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-25 17:16:38,072 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2022-11-25 17:16:38,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-25 17:16:38,073 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:16:38,073 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 17:16:38,073 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-25 17:16:38,073 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-25 17:16:38,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:16:38,074 INFO L85 PathProgramCache]: Analyzing trace with hash 1992721829, now seen corresponding path program 1 times [2022-11-25 17:16:38,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:16:38,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373689932] [2022-11-25 17:16:38,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:16:38,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:16:38,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:16:38,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:16:38,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:16:38,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:16:38,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:16:38,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-25 17:16:38,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:16:38,359 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:16:38,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:16:38,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373689932] [2022-11-25 17:16:38,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373689932] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:16:38,367 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:16:38,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-25 17:16:38,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233565795] [2022-11-25 17:16:38,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:16:38,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-25 17:16:38,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:16:38,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-25 17:16:38,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:16:38,375 INFO L87 Difference]: Start difference. First operand 32 states and 32 transitions. Second operand has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 17:16:38,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:16:38,409 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2022-11-25 17:16:38,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-25 17:16:38,410 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 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 17:16:38,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:16:38,413 INFO L225 Difference]: With dead ends: 32 [2022-11-25 17:16:38,413 INFO L226 Difference]: Without dead ends: 28 [2022-11-25 17:16:38,414 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-25 17:16:38,419 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 4 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:16:38,425 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 70 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:16:38,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2022-11-25 17:16:38,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2022-11-25 17:16:38,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 20 states have (on average 1.05) internal successors, (21), 20 states have internal predecessors, (21), 4 states have call successors, (4), 4 states have call predecessors, (4), 3 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-25 17:16:38,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2022-11-25 17:16:38,438 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 28 transitions. Word has length 25 [2022-11-25 17:16:38,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:16:38,439 INFO L495 AbstractCegarLoop]: Abstraction has 28 states and 28 transitions. [2022-11-25 17:16:38,439 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.0) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 17:16:38,439 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2022-11-25 17:16:38,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-11-25 17:16:38,440 INFO L187 NwaCegarLoop]: Found error trace [2022-11-25 17:16:38,445 INFO L195 NwaCegarLoop]: trace histogram [2, 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 17:16:38,446 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-25 17:16:38,446 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-25 17:16:38,446 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-25 17:16:38,446 INFO L85 PathProgramCache]: Analyzing trace with hash -550194520, now seen corresponding path program 1 times [2022-11-25 17:16:38,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-25 17:16:38,447 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302173508] [2022-11-25 17:16:38,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-25 17:16:38,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-25 17:16:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:16:38,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-25 17:16:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:16:38,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-11-25 17:16:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:16:38,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2022-11-25 17:16:38,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-25 17:16:38,671 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-25 17:16:38,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-25 17:16:38,672 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302173508] [2022-11-25 17:16:38,672 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302173508] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-25 17:16:38,672 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-25 17:16:38,672 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-25 17:16:38,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619341682] [2022-11-25 17:16:38,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-25 17:16:38,674 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-25 17:16:38,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-25 17:16:38,675 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-25 17:16:38,676 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-25 17:16:38,677 INFO L87 Difference]: Start difference. First operand 28 states and 28 transitions. Second operand has 6 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 17:16:38,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-25 17:16:38,718 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2022-11-25 17:16:38,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-25 17:16:38,719 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2022-11-25 17:16:38,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-25 17:16:38,720 INFO L225 Difference]: With dead ends: 28 [2022-11-25 17:16:38,720 INFO L226 Difference]: Without dead ends: 0 [2022-11-25 17:16:38,721 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-11-25 17:16:38,722 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 7 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-25 17:16:38,725 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 106 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-25 17:16:38,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-25 17:16:38,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-25 17:16:38,727 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 17:16:38,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-25 17:16:38,728 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 27 [2022-11-25 17:16:38,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-25 17:16:38,728 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-25 17:16:38,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 4 states have (on average 5.0) internal successors, (20), 5 states have internal predecessors, (20), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-25 17:16:38,729 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-25 17:16:38,729 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-25 17:16:38,732 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-25 17:16:38,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-25 17:16:38,733 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-25 17:16:38,735 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-25 17:16:38,735 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-25 17:16:38,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-25 17:16:38,824 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-25 17:16:38,824 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 17:16:38,825 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-25 17:16:38,825 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-25 17:16:38,825 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 17:16:38,825 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-25 17:16:38,826 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-25 17:16:38,826 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-25 17:16:38,826 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 17:16:38,826 INFO L899 garLoopResultBuilder]: For program point L1566(lines 1566 1570) no Hoare annotation was computed. [2022-11-25 17:16:38,826 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-25 17:16:38,826 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-25 17:16:38,827 INFO L895 garLoopResultBuilder]: At program point L1564(line 1564) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2))) (and (<= |#funAddr~CWE191_Integer_Underflow__int_fscanf_sub_65b_goodB2GSink.offset| |ULTIMATE.start_goodB2G_~funcPtr~1#1.offset|) (<= 0 .cse0) (<= .cse0 0) (<= |ULTIMATE.start_goodB2G_~funcPtr~1#1.offset| |#funAddr~CWE191_Integer_Underflow__int_fscanf_sub_65b_goodB2GSink.offset|) (<= |ULTIMATE.start_goodG2B_~funcPtr~0#1.offset| |#funAddr~CWE191_Integer_Underflow__int_fscanf_sub_65b_goodG2BSink.offset|) (<= |#funAddr~CWE191_Integer_Underflow__int_fscanf_sub_65b_goodB2GSink.base| |ULTIMATE.start_goodB2G_~funcPtr~1#1.base|) (<= |ULTIMATE.start_goodB2G_#t~mem95#1| 2147483647) (<= |ULTIMATE.start_goodB2G_~funcPtr~1#1.base| |#funAddr~CWE191_Integer_Underflow__int_fscanf_sub_65b_goodB2GSink.base|))) [2022-11-25 17:16:38,827 INFO L899 garLoopResultBuilder]: For program point L1564-1(line 1564) no Hoare annotation was computed. [2022-11-25 17:16:38,827 INFO L899 garLoopResultBuilder]: For program point L1558(lines 1558 1565) no Hoare annotation was computed. [2022-11-25 17:16:38,828 INFO L895 garLoopResultBuilder]: At program point L1555(line 1555) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2))) (and (<= 0 .cse0) (<= .cse0 0) (<= |ULTIMATE.start_goodG2B_~funcPtr~0#1.offset| |#funAddr~CWE191_Integer_Underflow__int_fscanf_sub_65b_goodG2BSink.offset|))) [2022-11-25 17:16:38,828 INFO L899 garLoopResultBuilder]: For program point L1555-1(lines 1549 1556) no Hoare annotation was computed. [2022-11-25 17:16:38,828 INFO L895 garLoopResultBuilder]: At program point L1577(lines 1571 1578) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2)) [2022-11-25 17:16:38,828 INFO L895 garLoopResultBuilder]: At program point L1576(line 1576) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodG2B_~data~0#1| 2)) [2022-11-25 17:16:38,828 INFO L899 garLoopResultBuilder]: For program point L1576-1(line 1576) no Hoare annotation was computed. [2022-11-25 17:16:38,829 INFO L902 garLoopResultBuilder]: At program point L1574(line 1574) the Hoare annotation is: true [2022-11-25 17:16:38,829 INFO L899 garLoopResultBuilder]: For program point L1574-1(line 1574) no Hoare annotation was computed. [2022-11-25 17:16:38,831 INFO L899 garLoopResultBuilder]: For program point L1590(line 1590) no Hoare annotation was computed. [2022-11-25 17:16:38,831 INFO L899 garLoopResultBuilder]: For program point L1590-1(line 1590) no Hoare annotation was computed. [2022-11-25 17:16:38,832 INFO L899 garLoopResultBuilder]: For program point L1588(lines 1588 1596) no Hoare annotation was computed. [2022-11-25 17:16:38,832 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1582) no Hoare annotation was computed. [2022-11-25 17:16:38,832 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1590) no Hoare annotation was computed. [2022-11-25 17:16:38,833 INFO L899 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2022-11-25 17:16:38,833 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDEXIT(line -1) no Hoare annotation was computed. [2022-11-25 17:16:38,833 INFO L899 garLoopResultBuilder]: For program point L1582-1(line 1582) no Hoare annotation was computed. [2022-11-25 17:16:38,839 INFO L902 garLoopResultBuilder]: At program point ##fun~int~TO~VOIDENTRY(line -1) the Hoare annotation is: true [2022-11-25 17:16:38,840 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-25 17:16:38,841 INFO L899 garLoopResultBuilder]: For program point L-1-2(line -1) no Hoare annotation was computed. [2022-11-25 17:16:38,844 INFO L895 garLoopResultBuilder]: At program point L1595(line 1595) the Hoare annotation is: (let ((.cse0 (+ 2 |##fun~int~TO~VOID_#in~94#1|))) (or (not (<= |##fun~int~TO~VOID_#in~#fp#1.offset| |#funAddr~CWE191_Integer_Underflow__int_fscanf_sub_65b_goodG2BSink.offset|)) (not (<= .cse0 0)) (not (<= 0 .cse0)))) [2022-11-25 17:16:38,844 INFO L899 garLoopResultBuilder]: For program point L1595-1(lines 1586 1597) no Hoare annotation was computed. [2022-11-25 17:16:38,844 INFO L895 garLoopResultBuilder]: At program point L1591(line 1591) the Hoare annotation is: (let ((.cse0 (+ 2 |##fun~int~TO~VOID_#in~94#1|))) (or (not (<= |##fun~int~TO~VOID_#in~#fp#1.offset| |#funAddr~CWE191_Integer_Underflow__int_fscanf_sub_65b_goodG2BSink.offset|)) (not (<= .cse0 0)) (not (<= 0 .cse0)))) [2022-11-25 17:16:38,845 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1582) no Hoare annotation was computed. [2022-11-25 17:16:38,845 INFO L895 garLoopResultBuilder]: At program point L1583(line 1583) the Hoare annotation is: (let ((.cse0 (+ 2 |##fun~int~TO~VOID_#in~94#1|))) (or (not (<= |##fun~int~TO~VOID_#in~#fp#1.offset| |#funAddr~CWE191_Integer_Underflow__int_fscanf_sub_65b_goodG2BSink.offset|)) (not (<= .cse0 0)) (not (<= 0 .cse0)) (let ((.cse1 (+ 2 |##fun~int~TO~VOID_#~94#1|)) (.cse2 (+ 2 |##fun~int~TO~VOID_CWE191_Integer_Underflow__int_fscanf_sub_65b_goodG2BSink_~data#1|))) (and (<= .cse1 0) (<= 0 .cse1) (<= 0 .cse2) (<= .cse2 0))))) [2022-11-25 17:16:38,845 INFO L899 garLoopResultBuilder]: For program point ##fun~int~TO~VOIDErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1590) no Hoare annotation was computed. [2022-11-25 17:16:38,846 INFO L899 garLoopResultBuilder]: For program point L1583-1(lines 1579 1585) no Hoare annotation was computed. [2022-11-25 17:16:38,850 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-25 17:16:38,854 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-25 17:16:38,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 05:16:38 BoogieIcfgContainer [2022-11-25 17:16:38,869 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-25 17:16:38,870 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-25 17:16:38,870 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-25 17:16:38,870 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-25 17:16:38,871 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:16:36" (3/4) ... [2022-11-25 17:16:38,875 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-25 17:16:38,883 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-25 17:16:38,883 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-25 17:16:38,884 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ##fun~int~TO~VOID [2022-11-25 17:16:38,893 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-25 17:16:38,893 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-25 17:16:38,893 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-25 17:16:38,894 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-25 17:16:38,979 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b6e7e0-8469-4f7f-a5ca-abc97975382a/bin/uautomizer-ZsLfNo2U6R/witness.graphml [2022-11-25 17:16:38,979 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-25 17:16:38,980 INFO L158 Benchmark]: Toolchain (without parser) took 4132.70ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 134.0MB in the beginning and 184.8MB in the end (delta: -50.8MB). Peak memory consumption was 78.4MB. Max. memory is 16.1GB. [2022-11-25 17:16:38,980 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 146.8MB. Free memory was 89.9MB in the beginning and 89.8MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-25 17:16:38,981 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1250.76ms. Allocated memory is still 184.5MB. Free memory was 133.3MB in the beginning and 144.0MB in the end (delta: -10.7MB). Peak memory consumption was 70.0MB. Max. memory is 16.1GB. [2022-11-25 17:16:38,981 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.70ms. Allocated memory is still 184.5MB. Free memory was 142.9MB in the beginning and 140.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:16:38,982 INFO L158 Benchmark]: Boogie Preprocessor took 32.68ms. Allocated memory is still 184.5MB. Free memory was 140.9MB in the beginning and 138.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-25 17:16:38,982 INFO L158 Benchmark]: RCFGBuilder took 414.29ms. Allocated memory is still 184.5MB. Free memory was 138.8MB in the beginning and 125.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-25 17:16:38,983 INFO L158 Benchmark]: TraceAbstraction took 2263.78ms. Allocated memory is still 184.5MB. Free memory was 124.1MB in the beginning and 60.1MB in the end (delta: 64.0MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-25 17:16:38,983 INFO L158 Benchmark]: Witness Printer took 109.77ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 60.1MB in the beginning and 184.8MB in the end (delta: -124.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-25 17:16:38,986 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 146.8MB. Free memory was 89.9MB in the beginning and 89.8MB in the end (delta: 142.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1250.76ms. Allocated memory is still 184.5MB. Free memory was 133.3MB in the beginning and 144.0MB in the end (delta: -10.7MB). Peak memory consumption was 70.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.70ms. Allocated memory is still 184.5MB. Free memory was 142.9MB in the beginning and 140.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.68ms. Allocated memory is still 184.5MB. Free memory was 140.9MB in the beginning and 138.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 414.29ms. Allocated memory is still 184.5MB. Free memory was 138.8MB in the beginning and 125.1MB in the end (delta: 13.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 2263.78ms. Allocated memory is still 184.5MB. Free memory was 124.1MB in the beginning and 60.1MB in the end (delta: 64.0MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Witness Printer took 109.77ms. Allocated memory was 184.5MB in the beginning and 222.3MB in the end (delta: 37.7MB). Free memory was 60.1MB in the beginning and 184.8MB in the end (delta: -124.7MB). 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: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1590]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: 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, 40 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 105 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 96 mSDsluCounter, 630 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 446 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 97 IncrementalHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 184 mSDtfsCounter, 97 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 51 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=40occurred in iteration=0, InterpolantAutomatonStates: 31, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 11 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 25 PreInvPairs, 26 NumberOfFragments, 129 HoareAnnotationTreeSize, 25 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 13 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 98 ConstructedInterpolants, 0 QuantifiedInterpolants, 201 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 5/5 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 4 specifications checked. All of them hold - InvariantResult [Line: 1571]: Loop Invariant Derived loop invariant: 0 <= data + 2 RESULT: Ultimate proved your program to be correct! [2022-11-25 17:16:39,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_17b6e7e0-8469-4f7f-a5ca-abc97975382a/bin/uautomizer-ZsLfNo2U6R/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE