./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_53_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843d058f-147c-44c2-a711-f0773bb8ddca/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843d058f-147c-44c2-a711-f0773bb8ddca/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843d058f-147c-44c2-a711-f0773bb8ddca/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843d058f-147c-44c2-a711-f0773bb8ddca/bin/uautomizer-QkZJyEgLgS/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_53_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843d058f-147c-44c2-a711-f0773bb8ddca/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843d058f-147c-44c2-a711-f0773bb8ddca/bin/uautomizer-QkZJyEgLgS --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 1eb6eba91314c23f3d83e0bfec3dddec9a25b4b187147d50d8c9cc1f4717b26a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-4e7fbc6 [2022-11-23 02:43:17,840 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 02:43:17,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 02:43:17,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 02:43:17,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 02:43:17,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 02:43:17,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 02:43:17,869 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 02:43:17,870 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 02:43:17,871 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 02:43:17,872 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 02:43:17,873 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 02:43:17,874 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 02:43:17,875 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 02:43:17,876 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 02:43:17,877 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 02:43:17,878 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 02:43:17,879 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 02:43:17,880 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 02:43:17,882 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 02:43:17,883 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 02:43:17,885 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 02:43:17,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 02:43:17,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 02:43:17,890 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 02:43:17,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 02:43:17,891 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 02:43:17,892 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 02:43:17,892 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 02:43:17,893 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 02:43:17,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 02:43:17,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 02:43:17,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 02:43:17,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 02:43:17,897 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 02:43:17,897 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 02:43:17,898 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 02:43:17,898 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 02:43:17,898 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 02:43:17,899 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 02:43:17,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 02:43:17,901 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843d058f-147c-44c2-a711-f0773bb8ddca/bin/uautomizer-QkZJyEgLgS/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-23 02:43:17,923 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 02:43:17,924 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 02:43:17,924 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 02:43:17,924 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 02:43:17,925 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 02:43:17,925 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 02:43:17,926 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 02:43:17,926 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 02:43:17,926 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 02:43:17,927 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 02:43:17,927 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 02:43:17,927 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 02:43:17,927 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 02:43:17,927 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 02:43:17,928 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 02:43:17,928 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 02:43:17,928 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-23 02:43:17,928 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 02:43:17,928 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 02:43:17,928 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 02:43:17,929 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 02:43:17,929 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 02:43:17,929 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 02:43:17,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:43:17,929 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 02:43:17,930 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 02:43:17,930 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 02:43:17,930 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 02:43:17,930 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 02:43:17,930 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-23 02:43:17,930 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 02:43:17,931 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-11-23 02:43:17,931 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-23 02:43:17,931 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_843d058f-147c-44c2-a711-f0773bb8ddca/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843d058f-147c-44c2-a711-f0773bb8ddca/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1eb6eba91314c23f3d83e0bfec3dddec9a25b4b187147d50d8c9cc1f4717b26a [2022-11-23 02:43:18,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 02:43:18,207 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 02:43:18,210 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 02:43:18,211 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 02:43:18,212 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 02:43:18,213 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843d058f-147c-44c2-a711-f0773bb8ddca/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_53_good.i [2022-11-23 02:43:21,362 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 02:43:21,798 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 02:43:21,803 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843d058f-147c-44c2-a711-f0773bb8ddca/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_rand_predec_53_good.i [2022-11-23 02:43:21,837 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843d058f-147c-44c2-a711-f0773bb8ddca/bin/uautomizer-QkZJyEgLgS/data/a869ce68c/88daf529659f4708901946508cd27e02/FLAGa182d2129 [2022-11-23 02:43:21,858 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843d058f-147c-44c2-a711-f0773bb8ddca/bin/uautomizer-QkZJyEgLgS/data/a869ce68c/88daf529659f4708901946508cd27e02 [2022-11-23 02:43:21,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 02:43:21,867 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 02:43:21,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 02:43:21,871 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 02:43:21,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 02:43:21,877 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:43:21" (1/1) ... [2022-11-23 02:43:21,878 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64c068db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:21, skipping insertion in model container [2022-11-23 02:43:21,878 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 02:43:21" (1/1) ... [2022-11-23 02:43:21,887 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 02:43:21,943 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 02:43:22,351 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 02:43:22,976 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:43:22,990 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 02:43:23,010 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-23 02:43:23,070 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 02:43:23,221 INFO L208 MainTranslator]: Completed translation [2022-11-23 02:43:23,222 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:23 WrapperNode [2022-11-23 02:43:23,222 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 02:43:23,223 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 02:43:23,223 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 02:43:23,223 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 02:43:23,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:23" (1/1) ... [2022-11-23 02:43:23,284 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:23" (1/1) ... [2022-11-23 02:43:23,312 INFO L138 Inliner]: procedures = 507, calls = 65, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 82 [2022-11-23 02:43:23,313 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 02:43:23,314 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 02:43:23,314 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 02:43:23,314 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 02:43:23,325 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:23" (1/1) ... [2022-11-23 02:43:23,325 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:23" (1/1) ... [2022-11-23 02:43:23,340 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:23" (1/1) ... [2022-11-23 02:43:23,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:23" (1/1) ... [2022-11-23 02:43:23,351 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:23" (1/1) ... [2022-11-23 02:43:23,367 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:23" (1/1) ... [2022-11-23 02:43:23,368 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:23" (1/1) ... [2022-11-23 02:43:23,370 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:23" (1/1) ... [2022-11-23 02:43:23,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 02:43:23,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 02:43:23,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 02:43:23,374 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 02:43:23,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:23" (1/1) ... [2022-11-23 02:43:23,397 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 02:43:23,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843d058f-147c-44c2-a711-f0773bb8ddca/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 02:43:23,423 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843d058f-147c-44c2-a711-f0773bb8ddca/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 02:43:23,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843d058f-147c-44c2-a711-f0773bb8ddca/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 02:43:23,482 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-23 02:43:23,482 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-23 02:43:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-23 02:43:23,483 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-23 02:43:23,483 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 02:43:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 02:43:23,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 02:43:23,484 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-23 02:43:23,485 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 02:43:23,694 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 02:43:23,696 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 02:43:23,929 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 02:43:23,936 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 02:43:23,936 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 02:43:23,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:43:23 BoogieIcfgContainer [2022-11-23 02:43:23,938 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 02:43:23,941 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 02:43:23,941 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 02:43:23,945 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 02:43:23,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 02:43:21" (1/3) ... [2022-11-23 02:43:23,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ccf5ca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:43:23, skipping insertion in model container [2022-11-23 02:43:23,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 02:43:23" (2/3) ... [2022-11-23 02:43:23,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ccf5ca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 02:43:23, skipping insertion in model container [2022-11-23 02:43:23,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:43:23" (3/3) ... [2022-11-23 02:43:23,948 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_rand_predec_53_good.i [2022-11-23 02:43:23,971 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 02:43:23,971 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-23 02:43:24,025 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 02:43:24,033 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;@1c36e3f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 02:43:24,033 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-23 02:43:24,039 INFO L276 IsEmpty]: Start isEmpty. Operand has 39 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 32 states have internal predecessors, (34), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-11-23 02:43:24,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-23 02:43:24,048 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:43:24,048 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:43:24,049 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 02:43:24,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:24,063 INFO L85 PathProgramCache]: Analyzing trace with hash 948854709, now seen corresponding path program 1 times [2022-11-23 02:43:24,072 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:24,073 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751888510] [2022-11-23 02:43:24,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:24,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:43:24,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:43:24,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:43:24,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:43:24,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:43:24,592 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751888510] [2022-11-23 02:43:24,592 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751888510] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:43:24,592 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:43:24,593 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 02:43:24,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618530412] [2022-11-23 02:43:24,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:43:24,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:43:24,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:43:24,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:43:24,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:43:24,640 INFO L87 Difference]: Start difference. First operand has 39 states, 27 states have (on average 1.2592592592592593) internal successors, (34), 32 states have internal predecessors, (34), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 02:43:24,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:43:24,683 INFO L93 Difference]: Finished difference Result 39 states and 44 transitions. [2022-11-23 02:43:24,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:43:24,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 9 [2022-11-23 02:43:24,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:43:24,694 INFO L225 Difference]: With dead ends: 39 [2022-11-23 02:43:24,694 INFO L226 Difference]: Without dead ends: 26 [2022-11-23 02:43:24,698 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 [2022-11-23 02:43:24,705 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 2 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 79 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:43:24,706 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 79 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:43:24,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2022-11-23 02:43:24,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-11-23 02:43:24,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 21 states have internal predecessors, (23), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 02:43:24,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2022-11-23 02:43:24,753 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 9 [2022-11-23 02:43:24,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:43:24,754 INFO L495 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2022-11-23 02:43:24,754 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 02:43:24,755 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2022-11-23 02:43:24,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-11-23 02:43:24,756 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:43:24,757 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:43:24,757 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 02:43:24,758 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 02:43:24,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:24,760 INFO L85 PathProgramCache]: Analyzing trace with hash -650275045, now seen corresponding path program 1 times [2022-11-23 02:43:24,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:24,760 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1158929899] [2022-11-23 02:43:24,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:24,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:24,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:43:24,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:43:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:43:24,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:43:24,948 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:43:24,948 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1158929899] [2022-11-23 02:43:24,948 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1158929899] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:43:24,949 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:43:24,949 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 02:43:24,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569013979] [2022-11-23 02:43:24,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:43:24,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:43:24,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:43:24,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:43:24,952 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:43:24,953 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 02:43:24,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:43:24,964 INFO L93 Difference]: Finished difference Result 26 states and 27 transitions. [2022-11-23 02:43:24,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:43:24,966 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 10 [2022-11-23 02:43:24,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:43:24,967 INFO L225 Difference]: With dead ends: 26 [2022-11-23 02:43:24,967 INFO L226 Difference]: Without dead ends: 25 [2022-11-23 02:43:24,967 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 [2022-11-23 02:43:24,969 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 11 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 35 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:43:24,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 35 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:43:24,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2022-11-23 02:43:24,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2022-11-23 02:43:24,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 02:43:24,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 26 transitions. [2022-11-23 02:43:24,974 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 26 transitions. Word has length 10 [2022-11-23 02:43:24,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:43:24,975 INFO L495 AbstractCegarLoop]: Abstraction has 25 states and 26 transitions. [2022-11-23 02:43:24,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-23 02:43:24,975 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 26 transitions. [2022-11-23 02:43:24,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-23 02:43:24,976 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:43:24,976 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:43:24,976 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 02:43:24,977 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 02:43:24,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:24,977 INFO L85 PathProgramCache]: Analyzing trace with hash -355302589, now seen corresponding path program 1 times [2022-11-23 02:43:24,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:24,978 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800962072] [2022-11-23 02:43:24,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:24,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:25,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:43:25,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:43:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:43:25,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-23 02:43:25,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:43:25,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:43:25,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:43:25,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800962072] [2022-11-23 02:43:25,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800962072] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:43:25,122 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:43:25,122 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 02:43:25,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20896035] [2022-11-23 02:43:25,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:43:25,123 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:43:25,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:43:25,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:43:25,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:43:25,124 INFO L87 Difference]: Start difference. First operand 25 states and 26 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 02:43:25,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:43:25,133 INFO L93 Difference]: Finished difference Result 25 states and 26 transitions. [2022-11-23 02:43:25,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:43:25,134 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2022-11-23 02:43:25,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:43:25,135 INFO L225 Difference]: With dead ends: 25 [2022-11-23 02:43:25,135 INFO L226 Difference]: Without dead ends: 24 [2022-11-23 02:43:25,135 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:43:25,136 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 2 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:43:25,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 44 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:43:25,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-11-23 02:43:25,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2022-11-23 02:43:25,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 19 states have (on average 1.105263157894737) internal successors, (21), 19 states have internal predecessors, (21), 2 states have call successors, (2), 2 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-23 02:43:25,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 25 transitions. [2022-11-23 02:43:25,142 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 25 transitions. Word has length 22 [2022-11-23 02:43:25,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:43:25,143 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 25 transitions. [2022-11-23 02:43:25,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 02:43:25,143 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 25 transitions. [2022-11-23 02:43:25,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-23 02:43:25,144 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 02:43:25,144 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 02:43:25,144 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 02:43:25,145 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 1 more)] === [2022-11-23 02:43:25,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 02:43:25,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1870521700, now seen corresponding path program 1 times [2022-11-23 02:43:25,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 02:43:25,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769698397] [2022-11-23 02:43:25,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 02:43:25,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 02:43:25,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:43:25,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-23 02:43:25,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:43:25,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-23 02:43:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 02:43:25,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 02:43:25,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 02:43:25,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769698397] [2022-11-23 02:43:25,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769698397] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 02:43:25,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 02:43:25,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-23 02:43:25,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1484892549] [2022-11-23 02:43:25,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 02:43:25,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 02:43:25,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 02:43:25,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 02:43:25,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:43:25,307 INFO L87 Difference]: Start difference. First operand 24 states and 25 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 02:43:25,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 02:43:25,313 INFO L93 Difference]: Finished difference Result 24 states and 25 transitions. [2022-11-23 02:43:25,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 02:43:25,314 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2022-11-23 02:43:25,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 02:43:25,315 INFO L225 Difference]: With dead ends: 24 [2022-11-23 02:43:25,315 INFO L226 Difference]: Without dead ends: 0 [2022-11-23 02:43:25,315 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 02:43:25,317 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 0 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-23 02:43:25,317 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 43 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-23 02:43:25,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-23 02:43:25,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-23 02:43:25,319 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) [2022-11-23 02:43:25,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-23 02:43:25,319 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2022-11-23 02:43:25,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 02:43:25,319 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-23 02:43:25,320 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 02:43:25,320 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-23 02:43:25,320 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-23 02:43:25,323 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-23 02:43:25,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-23 02:43:25,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-23 02:43:25,324 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-23 02:43:25,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 02:43:25,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-23 02:43:25,344 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-23 02:43:25,344 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-23 02:43:25,344 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-23 02:43:25,345 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-23 02:43:25,345 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-23 02:43:25,345 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-23 02:43:25,345 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-23 02:43:25,345 INFO L899 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2022-11-23 02:43:25,346 INFO L899 garLoopResultBuilder]: For program point L1600-1(line 1600) no Hoare annotation was computed. [2022-11-23 02:43:25,346 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1609) no Hoare annotation was computed. [2022-11-23 02:43:25,346 INFO L899 garLoopResultBuilder]: For program point L1588(lines 1588 1591) no Hoare annotation was computed. [2022-11-23 02:43:25,346 INFO L899 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2022-11-23 02:43:25,346 INFO L899 garLoopResultBuilder]: For program point L1609-1(line 1609) no Hoare annotation was computed. [2022-11-23 02:43:25,347 INFO L902 garLoopResultBuilder]: At program point L1572(line 1572) the Hoare annotation is: true [2022-11-23 02:43:25,347 INFO L899 garLoopResultBuilder]: For program point L1572-1(line 1572) no Hoare annotation was computed. [2022-11-23 02:43:25,347 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-23 02:43:25,347 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1600) no Hoare annotation was computed. [2022-11-23 02:43:25,347 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-23 02:43:25,348 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-23 02:43:25,348 INFO L899 garLoopResultBuilder]: For program point L1564(lines 1564 1568) no Hoare annotation was computed. [2022-11-23 02:43:25,348 INFO L899 garLoopResultBuilder]: For program point L1593(lines 1593 1596) no Hoare annotation was computed. [2022-11-23 02:43:25,348 INFO L895 garLoopResultBuilder]: At program point L1602(line 1602) the Hoare annotation is: (<= (+ |ULTIMATE.start_CWE191_Integer_Underflow__int_rand_predec_53d_goodG2BSink_~data#1| 2) 0) [2022-11-23 02:43:25,348 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1600) no Hoare annotation was computed. [2022-11-23 02:43:25,349 INFO L899 garLoopResultBuilder]: For program point L1602-1(lines 1597 1604) no Hoare annotation was computed. [2022-11-23 02:43:25,349 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-23 02:43:25,349 INFO L899 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2022-11-23 02:43:25,349 INFO L899 garLoopResultBuilder]: For program point L1561-2(line 1561) no Hoare annotation was computed. [2022-11-23 02:43:25,349 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1563) no Hoare annotation was computed. [2022-11-23 02:43:25,349 INFO L902 garLoopResultBuilder]: At program point L1615(line 1615) the Hoare annotation is: true [2022-11-23 02:43:25,350 INFO L899 garLoopResultBuilder]: For program point L1615-1(lines 1605 1617) no Hoare annotation was computed. [2022-11-23 02:43:25,350 INFO L899 garLoopResultBuilder]: For program point L1549(lines 1549 1555) no Hoare annotation was computed. [2022-11-23 02:43:25,350 INFO L902 garLoopResultBuilder]: At program point L1611(line 1611) the Hoare annotation is: true [2022-11-23 02:43:25,350 INFO L899 garLoopResultBuilder]: For program point L1578(lines 1578 1581) no Hoare annotation was computed. [2022-11-23 02:43:25,350 INFO L899 garLoopResultBuilder]: For program point L1607(lines 1607 1616) no Hoare annotation was computed. [2022-11-23 02:43:25,350 INFO L902 garLoopResultBuilder]: At program point L1574(line 1574) the Hoare annotation is: true [2022-11-23 02:43:25,351 INFO L899 garLoopResultBuilder]: For program point L1574-1(line 1574) no Hoare annotation was computed. [2022-11-23 02:43:25,351 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1609) no Hoare annotation was computed. [2022-11-23 02:43:25,351 INFO L899 garLoopResultBuilder]: For program point L1583(lines 1583 1586) no Hoare annotation was computed. [2022-11-23 02:43:25,351 INFO L902 garLoopResultBuilder]: At program point L1575(lines 1569 1576) the Hoare annotation is: true [2022-11-23 02:43:25,355 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-23 02:43:25,358 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-23 02:43:25,371 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 02:43:25 BoogieIcfgContainer [2022-11-23 02:43:25,371 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-23 02:43:25,371 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-23 02:43:25,372 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-23 02:43:25,372 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-23 02:43:25,372 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 02:43:23" (3/4) ... [2022-11-23 02:43:25,376 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-23 02:43:25,384 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-23 02:43:25,384 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-23 02:43:25,392 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-23 02:43:25,392 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-11-23 02:43:25,392 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-23 02:43:25,393 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-23 02:43:25,441 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843d058f-147c-44c2-a711-f0773bb8ddca/bin/uautomizer-QkZJyEgLgS/witness.graphml [2022-11-23 02:43:25,441 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-23 02:43:25,442 INFO L158 Benchmark]: Toolchain (without parser) took 3575.30ms. Allocated memory is still 146.8MB. Free memory was 113.4MB in the beginning and 75.2MB in the end (delta: 38.2MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2022-11-23 02:43:25,442 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 107.0MB. Free memory was 54.9MB in the beginning and 54.8MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 02:43:25,442 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1351.04ms. Allocated memory is still 146.8MB. Free memory was 112.8MB in the beginning and 49.9MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2022-11-23 02:43:25,443 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.20ms. Allocated memory is still 146.8MB. Free memory was 49.9MB in the beginning and 115.1MB in the end (delta: -65.2MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2022-11-23 02:43:25,443 INFO L158 Benchmark]: Boogie Preprocessor took 59.04ms. Allocated memory is still 146.8MB. Free memory was 115.1MB in the beginning and 113.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-23 02:43:25,443 INFO L158 Benchmark]: RCFGBuilder took 564.83ms. Allocated memory is still 146.8MB. Free memory was 113.0MB in the beginning and 98.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-23 02:43:25,444 INFO L158 Benchmark]: TraceAbstraction took 1430.05ms. Allocated memory is still 146.8MB. Free memory was 98.3MB in the beginning and 79.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2022-11-23 02:43:25,444 INFO L158 Benchmark]: Witness Printer took 69.71ms. Allocated memory is still 146.8MB. Free memory was 79.4MB in the beginning and 75.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-23 02:43:25,446 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 107.0MB. Free memory was 54.9MB in the beginning and 54.8MB in the end (delta: 117.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1351.04ms. Allocated memory is still 146.8MB. Free memory was 112.8MB in the beginning and 49.9MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.20ms. Allocated memory is still 146.8MB. Free memory was 49.9MB in the beginning and 115.1MB in the end (delta: -65.2MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.04ms. Allocated memory is still 146.8MB. Free memory was 115.1MB in the beginning and 113.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 564.83ms. Allocated memory is still 146.8MB. Free memory was 113.0MB in the beginning and 98.3MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1430.05ms. Allocated memory is still 146.8MB. Free memory was 98.3MB in the beginning and 79.4MB in the end (delta: 18.9MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. * Witness Printer took 69.71ms. Allocated memory is still 146.8MB. Free memory was 79.4MB in the beginning and 75.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1600]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1600]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1609]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 39 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 201 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 92 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 109 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 11 PreInvPairs, 11 NumberOfFragments, 12 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 64 NumberOfCodeBlocks, 64 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 83 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - InvariantResult [Line: 1569]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-23 02:43:25,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_843d058f-147c-44c2-a711-f0773bb8ddca/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE