./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_42_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8393723b 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_e0b5fd1a-9af9-4d0f-9851-e30c50b99927/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b5fd1a-9af9-4d0f-9851-e30c50b99927/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b5fd1a-9af9-4d0f-9851-e30c50b99927/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b5fd1a-9af9-4d0f-9851-e30c50b99927/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_42_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b5fd1a-9af9-4d0f-9851-e30c50b99927/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b5fd1a-9af9-4d0f-9851-e30c50b99927/bin/uautomizer-TMbwUNV5ro --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 4d0334ea8649d354ff71f30bf3355e5e94000835296604f7e813908072f73492 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-18 20:04:28,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 20:04:28,395 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 20:04:28,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 20:04:28,423 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 20:04:28,424 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 20:04:28,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 20:04:28,428 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 20:04:28,443 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 20:04:28,444 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 20:04:28,445 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 20:04:28,447 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 20:04:28,447 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 20:04:28,448 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 20:04:28,450 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 20:04:28,456 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 20:04:28,458 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 20:04:28,462 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 20:04:28,463 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 20:04:28,468 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 20:04:28,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 20:04:28,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 20:04:28,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 20:04:28,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 20:04:28,483 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 20:04:28,491 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 20:04:28,491 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 20:04:28,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 20:04:28,493 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 20:04:28,494 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 20:04:28,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 20:04:28,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 20:04:28,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 20:04:28,497 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 20:04:28,499 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 20:04:28,501 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 20:04:28,502 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 20:04:28,503 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 20:04:28,503 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 20:04:28,504 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 20:04:28,506 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 20:04:28,506 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b5fd1a-9af9-4d0f-9851-e30c50b99927/bin/uautomizer-TMbwUNV5ro/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-18 20:04:28,544 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 20:04:28,545 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 20:04:28,545 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 20:04:28,545 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 20:04:28,547 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 20:04:28,547 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 20:04:28,548 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 20:04:28,548 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 20:04:28,548 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 20:04:28,548 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 20:04:28,549 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 20:04:28,550 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 20:04:28,550 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 20:04:28,550 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 20:04:28,550 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 20:04:28,551 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 20:04:28,551 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-18 20:04:28,551 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 20:04:28,551 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 20:04:28,551 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 20:04:28,552 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 20:04:28,552 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 20:04:28,552 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 20:04:28,552 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:04:28,552 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 20:04:28,553 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 20:04:28,554 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 20:04:28,554 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 20:04:28,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 20:04:28,555 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 20:04:28,555 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 20:04:28,555 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 20:04:28,556 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b5fd1a-9af9-4d0f-9851-e30c50b99927/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b5fd1a-9af9-4d0f-9851-e30c50b99927/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d0334ea8649d354ff71f30bf3355e5e94000835296604f7e813908072f73492 [2022-11-18 20:04:28,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 20:04:28,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 20:04:28,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 20:04:28,878 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 20:04:28,879 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 20:04:28,880 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b5fd1a-9af9-4d0f-9851-e30c50b99927/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_42_good.i [2022-11-18 20:04:28,953 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b5fd1a-9af9-4d0f-9851-e30c50b99927/bin/uautomizer-TMbwUNV5ro/data/c95a41548/15b735edd49d4d098726fdff2ce40685/FLAGccab392fb [2022-11-18 20:04:29,543 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 20:04:29,543 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b5fd1a-9af9-4d0f-9851-e30c50b99927/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_preinc_42_good.i [2022-11-18 20:04:29,567 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b5fd1a-9af9-4d0f-9851-e30c50b99927/bin/uautomizer-TMbwUNV5ro/data/c95a41548/15b735edd49d4d098726fdff2ce40685/FLAGccab392fb [2022-11-18 20:04:29,966 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b5fd1a-9af9-4d0f-9851-e30c50b99927/bin/uautomizer-TMbwUNV5ro/data/c95a41548/15b735edd49d4d098726fdff2ce40685 [2022-11-18 20:04:29,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 20:04:29,970 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 20:04:29,972 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 20:04:29,972 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 20:04:29,975 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 20:04:29,976 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:04:29" (1/1) ... [2022-11-18 20:04:29,977 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@57ef7fb5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:04:29, skipping insertion in model container [2022-11-18 20:04:29,978 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 08:04:29" (1/1) ... [2022-11-18 20:04:29,986 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 20:04:30,037 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 20:04:30,410 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-18 20:04:30,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:04:30,883 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 20:04:30,899 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-18 20:04:30,953 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 20:04:31,060 INFO L208 MainTranslator]: Completed translation [2022-11-18 20:04:31,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:04:31 WrapperNode [2022-11-18 20:04:31,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 20:04:31,061 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 20:04:31,061 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 20:04:31,061 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 20:04:31,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:04:31" (1/1) ... [2022-11-18 20:04:31,096 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:04:31" (1/1) ... [2022-11-18 20:04:31,118 INFO L138 Inliner]: procedures = 503, calls = 67, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 75 [2022-11-18 20:04:31,119 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 20:04:31,119 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 20:04:31,119 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 20:04:31,119 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 20:04:31,128 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:04:31" (1/1) ... [2022-11-18 20:04:31,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:04:31" (1/1) ... [2022-11-18 20:04:31,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:04:31" (1/1) ... [2022-11-18 20:04:31,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:04:31" (1/1) ... [2022-11-18 20:04:31,138 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:04:31" (1/1) ... [2022-11-18 20:04:31,140 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:04:31" (1/1) ... [2022-11-18 20:04:31,141 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:04:31" (1/1) ... [2022-11-18 20:04:31,143 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:04:31" (1/1) ... [2022-11-18 20:04:31,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 20:04:31,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 20:04:31,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 20:04:31,146 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 20:04:31,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:04:31" (1/1) ... [2022-11-18 20:04:31,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 20:04:31,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b5fd1a-9af9-4d0f-9851-e30c50b99927/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 20:04:31,191 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b5fd1a-9af9-4d0f-9851-e30c50b99927/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 20:04:31,195 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b5fd1a-9af9-4d0f-9851-e30c50b99927/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 20:04:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-18 20:04:31,248 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-18 20:04:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-18 20:04:31,248 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-18 20:04:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-18 20:04:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-18 20:04:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 20:04:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 20:04:31,250 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 20:04:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-18 20:04:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-18 20:04:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-18 20:04:31,250 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 20:04:31,477 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 20:04:31,479 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 20:04:31,716 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 20:04:31,722 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 20:04:31,727 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-18 20:04:31,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:04:31 BoogieIcfgContainer [2022-11-18 20:04:31,730 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 20:04:31,732 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 20:04:31,734 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 20:04:31,738 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 20:04:31,738 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 08:04:29" (1/3) ... [2022-11-18 20:04:31,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2faae12e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:04:31, skipping insertion in model container [2022-11-18 20:04:31,739 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 08:04:31" (2/3) ... [2022-11-18 20:04:31,739 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2faae12e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 08:04:31, skipping insertion in model container [2022-11-18 20:04:31,740 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:04:31" (3/3) ... [2022-11-18 20:04:31,741 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_preinc_42_good.i [2022-11-18 20:04:31,763 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 20:04:31,763 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-11-18 20:04:31,838 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 20:04:31,848 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;@7f443ac6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 20:04:31,848 INFO L358 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2022-11-18 20:04:31,853 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 26 states have internal predecessors, (27), 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) [2022-11-18 20:04:31,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-18 20:04:31,860 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:04:31,861 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:04:31,861 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)] === [2022-11-18 20:04:31,866 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:31,867 INFO L85 PathProgramCache]: Analyzing trace with hash -1650496775, now seen corresponding path program 1 times [2022-11-18 20:04:31,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:31,877 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811644575] [2022-11-18 20:04:31,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:31,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:32,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:04:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:32,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:04:32,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:04:32,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811644575] [2022-11-18 20:04:32,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811644575] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:04:32,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:04:32,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:04:32,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1698544785] [2022-11-18 20:04:32,244 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:04:32,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:04:32,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:04:32,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:04:32,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:04:32,279 INFO L87 Difference]: Start difference. First operand has 33 states, 21 states have (on average 1.2857142857142858) internal successors, (27), 26 states have internal predecessors, (27), 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 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:04:32,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:04:32,315 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2022-11-18 20:04:32,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:04:32,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-11-18 20:04:32,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:04:32,325 INFO L225 Difference]: With dead ends: 33 [2022-11-18 20:04:32,325 INFO L226 Difference]: Without dead ends: 24 [2022-11-18 20:04:32,328 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 [2022-11-18 20:04:32,331 INFO L413 NwaCegarLoop]: 33 mSDtfsCounter, 2 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:04:32,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 62 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:04:32,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2022-11-18 20:04:32,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2022-11-18 20:04:32,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 16 states have (on average 1.25) internal successors, (20), 19 states have internal predecessors, (20), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-18 20:04:32,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2022-11-18 20:04:32,367 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 11 [2022-11-18 20:04:32,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:04:32,369 INFO L495 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2022-11-18 20:04:32,369 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 20:04:32,369 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2022-11-18 20:04:32,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-18 20:04:32,371 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:04:32,371 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:04:32,371 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 20:04:32,372 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)] === [2022-11-18 20:04:32,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:32,372 INFO L85 PathProgramCache]: Analyzing trace with hash 374207580, now seen corresponding path program 1 times [2022-11-18 20:04:32,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:32,373 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627770834] [2022-11-18 20:04:32,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:32,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:32,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:04:32,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:32,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 20:04:32,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:04:32,469 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627770834] [2022-11-18 20:04:32,469 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627770834] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:04:32,469 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:04:32,470 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 20:04:32,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334500363] [2022-11-18 20:04:32,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:04:32,471 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 20:04:32,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:04:32,472 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 20:04:32,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 20:04:32,473 INFO L87 Difference]: Start difference. First operand 24 states and 26 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, (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) [2022-11-18 20:04:32,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:04:32,487 INFO L93 Difference]: Finished difference Result 24 states and 26 transitions. [2022-11-18 20:04:32,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 20:04:32,487 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, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-11-18 20:04:32,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:04:32,488 INFO L225 Difference]: With dead ends: 24 [2022-11-18 20:04:32,489 INFO L226 Difference]: Without dead ends: 23 [2022-11-18 20:04:32,489 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 [2022-11-18 20:04:32,490 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 6 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 33 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:04:32,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 33 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:04:32,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2022-11-18 20:04:32,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2022-11-18 20:04:32,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 16 states have (on average 1.1875) internal successors, (19), 18 states have internal predecessors, (19), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-11-18 20:04:32,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 25 transitions. [2022-11-18 20:04:32,500 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 25 transitions. Word has length 12 [2022-11-18 20:04:32,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:04:32,502 INFO L495 AbstractCegarLoop]: Abstraction has 23 states and 25 transitions. [2022-11-18 20:04:32,502 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, (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) [2022-11-18 20:04:32,503 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2022-11-18 20:04:32,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-18 20:04:32,505 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 20:04:32,505 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 20:04:32,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 20:04:32,506 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)] === [2022-11-18 20:04:32,507 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 20:04:32,508 INFO L85 PathProgramCache]: Analyzing trace with hash 670372895, now seen corresponding path program 1 times [2022-11-18 20:04:32,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 20:04:32,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594568308] [2022-11-18 20:04:32,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 20:04:32,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 20:04:32,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:32,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-18 20:04:32,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:32,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-18 20:04:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 20:04:32,660 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-18 20:04:32,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 20:04:32,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [594568308] [2022-11-18 20:04:32,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [594568308] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 20:04:32,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 20:04:32,666 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 20:04:32,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791306327] [2022-11-18 20:04:32,667 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 20:04:32,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-18 20:04:32,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 20:04:32,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-18 20:04:32,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-18 20:04:32,670 INFO L87 Difference]: Start difference. First operand 23 states and 25 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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) [2022-11-18 20:04:32,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 20:04:32,700 INFO L93 Difference]: Finished difference Result 23 states and 25 transitions. [2022-11-18 20:04:32,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-18 20:04:32,701 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), 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 18 [2022-11-18 20:04:32,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 20:04:32,718 INFO L225 Difference]: With dead ends: 23 [2022-11-18 20:04:32,718 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 20:04:32,719 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-18 20:04:32,720 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 3 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 20:04:32,721 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 61 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 20:04:32,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 20:04:32,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 20:04:32,722 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) [2022-11-18 20:04:32,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 20:04:32,722 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 18 [2022-11-18 20:04:32,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 20:04:32,722 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 20:04:32,723 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), 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) [2022-11-18 20:04:32,723 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 20:04:32,723 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 20:04:32,725 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2022-11-18 20:04:32,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2022-11-18 20:04:32,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2022-11-18 20:04:32,726 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2022-11-18 20:04:32,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 20:04:32,730 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 20:04:32,763 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-18 20:04:32,763 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-18 20:04:32,763 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-18 20:04:32,764 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-18 20:04:32,764 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-18 20:04:32,764 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-18 20:04:32,764 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-18 20:04:32,764 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2022-11-18 20:04:32,764 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 20:04:32,765 INFO L895 garLoopResultBuilder]: At program point L1567(lines 1564 1568) the Hoare annotation is: (and (<= |ULTIMATE.start_goodB2G_~data~1#1| 2147483646) (<= 0 (+ |ULTIMATE.start_goodB2G_~data~1#1| 2147483648))) [2022-11-18 20:04:32,765 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1559) no Hoare annotation was computed. [2022-11-18 20:04:32,765 INFO L902 garLoopResultBuilder]: At program point L1596(lines 1590 1597) the Hoare annotation is: true [2022-11-18 20:04:32,765 INFO L902 garLoopResultBuilder]: At program point L1561(line 1561) the Hoare annotation is: true [2022-11-18 20:04:32,765 INFO L899 garLoopResultBuilder]: For program point L1561-1(lines 1553 1563) no Hoare annotation was computed. [2022-11-18 20:04:32,766 INFO L899 garLoopResultBuilder]: For program point L1559(line 1559) no Hoare annotation was computed. [2022-11-18 20:04:32,766 INFO L899 garLoopResultBuilder]: For program point L1559-1(line 1559) no Hoare annotation was computed. [2022-11-18 20:04:32,766 INFO L895 garLoopResultBuilder]: At program point L1551(lines 1548 1552) the Hoare annotation is: (and (<= 0 (+ |ULTIMATE.start_goodB2G_~data~1#1| 2147483648)) (= |ULTIMATE.start_goodG2BSource_#res#1| 2)) [2022-11-18 20:04:32,766 INFO L895 garLoopResultBuilder]: At program point L1582(line 1582) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G_~data~1#1| 2147483648)) [2022-11-18 20:04:32,766 INFO L899 garLoopResultBuilder]: For program point L1582-1(lines 1569 1584) no Hoare annotation was computed. [2022-11-18 20:04:32,766 INFO L895 garLoopResultBuilder]: At program point L1578(line 1578) the Hoare annotation is: (<= 0 (+ |ULTIMATE.start_goodB2G_~data~1#1| 2147483648)) [2022-11-18 20:04:32,767 INFO L899 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2022-11-18 20:04:32,767 INFO L899 garLoopResultBuilder]: For program point L1576-1(line 1576) no Hoare annotation was computed. [2022-11-18 20:04:32,767 INFO L899 garLoopResultBuilder]: For program point L1574(lines 1574 1583) no Hoare annotation was computed. [2022-11-18 20:04:32,767 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 20:04:32,767 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1576) no Hoare annotation was computed. [2022-11-18 20:04:32,768 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1559) no Hoare annotation was computed. [2022-11-18 20:04:32,768 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 20:04:32,768 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 20:04:32,769 INFO L902 garLoopResultBuilder]: At program point L1595(line 1595) the Hoare annotation is: true [2022-11-18 20:04:32,770 INFO L899 garLoopResultBuilder]: For program point L1595-1(line 1595) no Hoare annotation was computed. [2022-11-18 20:04:32,770 INFO L902 garLoopResultBuilder]: At program point L1593(line 1593) the Hoare annotation is: true [2022-11-18 20:04:32,774 INFO L899 garLoopResultBuilder]: For program point L1593-1(line 1593) no Hoare annotation was computed. [2022-11-18 20:04:32,776 INFO L899 garLoopResultBuilder]: For program point L1585(lines 1585 1589) no Hoare annotation was computed. [2022-11-18 20:04:32,783 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2022-11-18 20:04:32,785 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 20:04:32,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 08:04:32 BoogieIcfgContainer [2022-11-18 20:04:32,802 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 20:04:32,805 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 20:04:32,805 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 20:04:32,806 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 20:04:32,806 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 08:04:31" (3/4) ... [2022-11-18 20:04:32,809 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 20:04:32,815 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-18 20:04:32,816 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-18 20:04:32,824 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-11-18 20:04:32,824 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2022-11-18 20:04:32,824 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-18 20:04:32,824 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 20:04:32,853 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: 0 <= data + 2147483648 && \result == 2 [2022-11-18 20:04:32,879 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b5fd1a-9af9-4d0f-9851-e30c50b99927/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 20:04:32,879 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 20:04:32,880 INFO L158 Benchmark]: Toolchain (without parser) took 2909.57ms. Allocated memory is still 140.5MB. Free memory was 108.9MB in the beginning and 106.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.5MB. Max. memory is 16.1GB. [2022-11-18 20:04:32,880 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 92.3MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:04:32,880 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1088.96ms. Allocated memory is still 140.5MB. Free memory was 108.9MB in the beginning and 68.0MB in the end (delta: 40.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-11-18 20:04:32,881 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.67ms. Allocated memory is still 140.5MB. Free memory was 68.0MB in the beginning and 65.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 20:04:32,881 INFO L158 Benchmark]: Boogie Preprocessor took 26.07ms. Allocated memory is still 140.5MB. Free memory was 65.2MB in the beginning and 63.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:04:32,881 INFO L158 Benchmark]: RCFGBuilder took 584.27ms. Allocated memory is still 140.5MB. Free memory was 63.5MB in the beginning and 104.0MB in the end (delta: -40.4MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. [2022-11-18 20:04:32,882 INFO L158 Benchmark]: TraceAbstraction took 1069.22ms. Allocated memory is still 140.5MB. Free memory was 103.1MB in the beginning and 109.8MB in the end (delta: -6.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 20:04:32,882 INFO L158 Benchmark]: Witness Printer took 73.77ms. Allocated memory is still 140.5MB. Free memory was 109.8MB in the beginning and 106.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 20:04:32,884 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 92.3MB. Free memory is still 49.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1088.96ms. Allocated memory is still 140.5MB. Free memory was 108.9MB in the beginning and 68.0MB in the end (delta: 40.9MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.67ms. Allocated memory is still 140.5MB. Free memory was 68.0MB in the beginning and 65.2MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.07ms. Allocated memory is still 140.5MB. Free memory was 65.2MB in the beginning and 63.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 584.27ms. Allocated memory is still 140.5MB. Free memory was 63.5MB in the beginning and 104.0MB in the end (delta: -40.4MB). Peak memory consumption was 5.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1069.22ms. Allocated memory is still 140.5MB. Free memory was 103.1MB in the beginning and 109.8MB in the end (delta: -6.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 73.77ms. Allocated memory is still 140.5MB. Free memory was 109.8MB in the beginning and 106.6MB in the end (delta: 3.1MB). 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: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1576]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1559]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1559]: 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, 33 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 3, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 13 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 156 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 81 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13 IncrementalHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 75 mSDtfsCounter, 13 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred in iteration=0, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 10 LocationsWithAnnotation, 13 PreInvPairs, 13 NumberOfFragments, 34 HoareAnnotationTreeSize, 13 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 10 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 38 ConstructedInterpolants, 0 QuantifiedInterpolants, 56 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 4/4 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: 1590]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1548]: Loop Invariant Derived loop invariant: 0 <= data + 2147483648 && \result == 2 - InvariantResult [Line: 1564]: Loop Invariant Derived loop invariant: data <= 2147483646 && 0 <= data + 2147483648 RESULT: Ultimate proved your program to be correct! [2022-11-18 20:04:32,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e0b5fd1a-9af9-4d0f-9851-e30c50b99927/bin/uautomizer-TMbwUNV5ro/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