./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_06_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 6b4ec56b 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_c6e94af3-df45-44bd-8d1b-df86c2305379/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e94af3-df45-44bd-8d1b-df86c2305379/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e94af3-df45-44bd-8d1b-df86c2305379/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e94af3-df45-44bd-8d1b-df86c2305379/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_06_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e94af3-df45-44bd-8d1b-df86c2305379/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e94af3-df45-44bd-8d1b-df86c2305379/bin/uautomizer-ug76WZFUDN --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 037ca86e2f81b5011ad746993d06e81320897f376a81ec3016f1c6eb813e0123 --- 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-6b4ec56 [2022-11-20 12:16:36,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:16:36,344 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:16:36,391 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:16:36,392 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:16:36,396 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:16:36,399 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:16:36,400 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:16:36,403 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:16:36,404 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:16:36,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:16:36,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:16:36,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:16:36,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:16:36,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:16:36,417 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:16:36,418 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:16:36,419 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:16:36,421 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:16:36,424 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:16:36,426 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:16:36,432 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:16:36,434 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:16:36,438 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:16:36,445 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:16:36,453 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:16:36,454 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:16:36,455 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:16:36,457 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:16:36,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:16:36,461 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:16:36,462 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:16:36,464 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:16:36,466 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:16:36,468 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:16:36,469 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:16:36,471 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:16:36,471 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:16:36,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:16:36,475 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:16:36,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:16:36,477 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e94af3-df45-44bd-8d1b-df86c2305379/bin/uautomizer-ug76WZFUDN/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-11-20 12:16:36,536 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:16:36,536 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:16:36,537 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:16:36,538 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:16:36,539 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 12:16:36,539 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 12:16:36,540 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:16:36,540 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:16:36,541 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:16:36,541 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:16:36,543 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:16:36,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:16:36,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:16:36,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 12:16:36,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 12:16:36,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 12:16:36,544 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-20 12:16:36,545 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:16:36,545 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:16:36,545 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 12:16:36,546 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:16:36,546 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:16:36,546 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 12:16:36,547 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:16:36,547 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:16:36,547 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 12:16:36,548 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 12:16:36,548 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:16:36,549 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 12:16:36,549 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 12:16:36,550 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 12:16:36,550 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 12:16:36,550 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_c6e94af3-df45-44bd-8d1b-df86c2305379/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e94af3-df45-44bd-8d1b-df86c2305379/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 037ca86e2f81b5011ad746993d06e81320897f376a81ec3016f1c6eb813e0123 [2022-11-20 12:16:36,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:16:36,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:16:36,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:16:36,968 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:16:36,968 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:16:36,970 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e94af3-df45-44bd-8d1b-df86c2305379/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_06_good.i [2022-11-20 12:16:40,900 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:16:41,398 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:16:41,399 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e94af3-df45-44bd-8d1b-df86c2305379/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_postinc_06_good.i [2022-11-20 12:16:41,424 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e94af3-df45-44bd-8d1b-df86c2305379/bin/uautomizer-ug76WZFUDN/data/4d966bc76/7e6f8dfe40d5453286a78ad15ed476f9/FLAG47dc96903 [2022-11-20 12:16:41,443 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e94af3-df45-44bd-8d1b-df86c2305379/bin/uautomizer-ug76WZFUDN/data/4d966bc76/7e6f8dfe40d5453286a78ad15ed476f9 [2022-11-20 12:16:41,447 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:16:41,449 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:16:41,450 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:16:41,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:16:41,455 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:16:41,457 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:16:41" (1/1) ... [2022-11-20 12:16:41,458 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3815f3cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:16:41, skipping insertion in model container [2022-11-20 12:16:41,459 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:16:41" (1/1) ... [2022-11-20 12:16:41,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:16:41,543 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:16:42,009 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 12:16:42,851 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:16:42,874 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:16:42,917 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-20 12:16:43,048 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:16:43,264 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:16:43,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:16:43 WrapperNode [2022-11-20 12:16:43,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:16:43,268 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:16:43,269 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:16:43,269 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:16:43,279 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:16:43" (1/1) ... [2022-11-20 12:16:43,345 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:16:43" (1/1) ... [2022-11-20 12:16:43,376 INFO L138 Inliner]: procedures = 503, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 112 [2022-11-20 12:16:43,376 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:16:43,377 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:16:43,378 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:16:43,378 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:16:43,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:16:43" (1/1) ... [2022-11-20 12:16:43,390 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:16:43" (1/1) ... [2022-11-20 12:16:43,396 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:16:43" (1/1) ... [2022-11-20 12:16:43,396 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:16:43" (1/1) ... [2022-11-20 12:16:43,416 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:16:43" (1/1) ... [2022-11-20 12:16:43,419 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:16:43" (1/1) ... [2022-11-20 12:16:43,436 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:16:43" (1/1) ... [2022-11-20 12:16:43,438 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:16:43" (1/1) ... [2022-11-20 12:16:43,441 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:16:43,442 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:16:43,443 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:16:43,443 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:16:43,444 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:16:43" (1/1) ... [2022-11-20 12:16:43,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 12:16:43,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e94af3-df45-44bd-8d1b-df86c2305379/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:16:43,485 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e94af3-df45-44bd-8d1b-df86c2305379/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 12:16:43,494 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e94af3-df45-44bd-8d1b-df86c2305379/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 12:16:43,535 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-11-20 12:16:43,535 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-11-20 12:16:43,535 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-11-20 12:16:43,536 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-11-20 12:16:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-20 12:16:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-20 12:16:43,536 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 12:16:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:16:43,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:16:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-20 12:16:43,537 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-11-20 12:16:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-20 12:16:43,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 12:16:43,724 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:16:43,727 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:16:44,024 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:16:44,032 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:16:44,033 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-20 12:16:44,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:16:44 BoogieIcfgContainer [2022-11-20 12:16:44,036 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:16:44,039 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 12:16:44,039 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 12:16:44,043 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 12:16:44,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 12:16:41" (1/3) ... [2022-11-20 12:16:44,044 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@153f965c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:16:44, skipping insertion in model container [2022-11-20 12:16:44,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:16:43" (2/3) ... [2022-11-20 12:16:44,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@153f965c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 12:16:44, skipping insertion in model container [2022-11-20 12:16:44,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:16:44" (3/3) ... [2022-11-20 12:16:44,050 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_postinc_06_good.i [2022-11-20 12:16:44,075 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 12:16:44,076 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-11-20 12:16:44,169 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 12:16:44,178 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;@6a297235, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 12:16:44,179 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-20 12:16:44,184 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 51 states have internal predecessors, (55), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-20 12:16:44,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-11-20 12:16:44,198 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:16:44,199 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:16:44,200 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:16:44,210 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:16:44,211 INFO L85 PathProgramCache]: Analyzing trace with hash 2010894524, now seen corresponding path program 1 times [2022-11-20 12:16:44,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:16:44,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132916475] [2022-11-20 12:16:44,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:16:44,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:16:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:16:44,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:16:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:16:44,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:16:44,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:16:44,755 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132916475] [2022-11-20 12:16:44,756 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132916475] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:16:44,757 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:16:44,757 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:16:44,759 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2120431983] [2022-11-20 12:16:44,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:16:44,766 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:16:44,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:16:44,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:16:44,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:16:44,810 INFO L87 Difference]: Start difference. First operand has 57 states, 36 states have (on average 1.5277777777777777) internal successors, (55), 51 states have internal predecessors, (55), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 7 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 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) [2022-11-20 12:16:44,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:16:44,908 INFO L93 Difference]: Finished difference Result 57 states and 75 transitions. [2022-11-20 12:16:44,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:16:44,942 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 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 [2022-11-20 12:16:44,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:16:44,955 INFO L225 Difference]: With dead ends: 57 [2022-11-20 12:16:44,955 INFO L226 Difference]: Without dead ends: 48 [2022-11-20 12:16:44,960 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:16:44,965 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 2 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 196 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:16:44,966 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 196 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:16:44,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-11-20 12:16:45,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2022-11-20 12:16:45,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 31 states have (on average 1.5161290322580645) internal successors, (47), 43 states have internal predecessors, (47), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-20 12:16:45,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 63 transitions. [2022-11-20 12:16:45,020 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 63 transitions. Word has length 12 [2022-11-20 12:16:45,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:16:45,022 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 63 transitions. [2022-11-20 12:16:45,022 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 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) [2022-11-20 12:16:45,023 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 63 transitions. [2022-11-20 12:16:45,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-20 12:16:45,024 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:16:45,025 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:16:45,025 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 12:16:45,025 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:16:45,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:16:45,027 INFO L85 PathProgramCache]: Analyzing trace with hash -2086779133, now seen corresponding path program 1 times [2022-11-20 12:16:45,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:16:45,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330964591] [2022-11-20 12:16:45,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:16:45,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:16:45,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:16:45,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:16:45,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:16:45,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:16:45,413 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:16:45,413 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330964591] [2022-11-20 12:16:45,414 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330964591] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:16:45,414 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:16:45,414 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:16:45,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400541229] [2022-11-20 12:16:45,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:16:45,416 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 12:16:45,417 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:16:45,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:16:45,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:16:45,418 INFO L87 Difference]: Start difference. First operand 48 states and 63 transitions. Second operand has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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) [2022-11-20 12:16:45,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:16:45,515 INFO L93 Difference]: Finished difference Result 48 states and 63 transitions. [2022-11-20 12:16:45,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:16:45,516 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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 13 [2022-11-20 12:16:45,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:16:45,517 INFO L225 Difference]: With dead ends: 48 [2022-11-20 12:16:45,517 INFO L226 Difference]: Without dead ends: 47 [2022-11-20 12:16:45,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:16:45,520 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 6 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:16:45,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 151 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:16:45,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-11-20 12:16:45,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-11-20 12:16:45,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 31 states have (on average 1.4838709677419355) internal successors, (46), 42 states have internal predecessors, (46), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 5 states have call predecessors, (8), 8 states have call successors, (8) [2022-11-20 12:16:45,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 62 transitions. [2022-11-20 12:16:45,533 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 62 transitions. Word has length 13 [2022-11-20 12:16:45,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:16:45,534 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 62 transitions. [2022-11-20 12:16:45,534 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.75) internal successors, (11), 5 states have internal predecessors, (11), 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) [2022-11-20 12:16:45,534 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 62 transitions. [2022-11-20 12:16:45,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-20 12:16:45,536 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:16:45,536 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:16:45,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 12:16:45,537 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:16:45,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:16:45,538 INFO L85 PathProgramCache]: Analyzing trace with hash 1588397300, now seen corresponding path program 1 times [2022-11-20 12:16:45,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:16:45,538 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768439260] [2022-11-20 12:16:45,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:16:45,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:16:45,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:16:45,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:16:45,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:16:45,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2022-11-20 12:16:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:16:45,664 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 12:16:45,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:16:45,673 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768439260] [2022-11-20 12:16:45,673 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768439260] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:16:45,674 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:16:45,674 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:16:45,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825707359] [2022-11-20 12:16:45,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:16:45,675 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 12:16:45,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:16:45,676 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:16:45,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:16:45,679 INFO L87 Difference]: Start difference. First operand 47 states and 62 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 12:16:45,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:16:45,722 INFO L93 Difference]: Finished difference Result 87 states and 113 transitions. [2022-11-20 12:16:45,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:16:45,723 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 21 [2022-11-20 12:16:45,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:16:45,724 INFO L225 Difference]: With dead ends: 87 [2022-11-20 12:16:45,724 INFO L226 Difference]: Without dead ends: 45 [2022-11-20 12:16:45,725 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 [2022-11-20 12:16:45,727 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 46 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:16:45,728 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 43 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:16:45,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-11-20 12:16:45,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-11-20 12:16:45,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 38 states have internal predecessors, (39), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 12:16:45,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 51 transitions. [2022-11-20 12:16:45,738 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 51 transitions. Word has length 21 [2022-11-20 12:16:45,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:16:45,739 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 51 transitions. [2022-11-20 12:16:45,739 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-20 12:16:45,740 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 51 transitions. [2022-11-20 12:16:45,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-20 12:16:45,741 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:16:45,741 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:16:45,741 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 12:16:45,742 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:16:45,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:16:45,742 INFO L85 PathProgramCache]: Analyzing trace with hash 1768789131, now seen corresponding path program 1 times [2022-11-20 12:16:45,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:16:45,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38254523] [2022-11-20 12:16:45,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:16:45,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:16:45,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:16:45,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:16:45,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:16:45,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:16:45,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:16:45,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 12:16:45,881 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:16:45,881 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38254523] [2022-11-20 12:16:45,881 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38254523] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:16:45,882 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:16:45,882 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:16:45,882 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1633631739] [2022-11-20 12:16:45,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:16:45,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:16:45,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:16:45,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:16:45,885 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:16:45,885 INFO L87 Difference]: Start difference. First operand 45 states and 51 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2022-11-20 12:16:45,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:16:45,934 INFO L93 Difference]: Finished difference Result 45 states and 51 transitions. [2022-11-20 12:16:45,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:16:45,935 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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 [2022-11-20 12:16:45,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:16:45,936 INFO L225 Difference]: With dead ends: 45 [2022-11-20 12:16:45,937 INFO L226 Difference]: Without dead ends: 44 [2022-11-20 12:16:45,937 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:16:45,939 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 2 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:16:45,940 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 124 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:16:45,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-11-20 12:16:45,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-11-20 12:16:45,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 37 states have internal predecessors, (38), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 12:16:45,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 50 transitions. [2022-11-20 12:16:45,950 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 50 transitions. Word has length 22 [2022-11-20 12:16:45,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:16:45,951 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 50 transitions. [2022-11-20 12:16:45,951 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2022-11-20 12:16:45,952 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 50 transitions. [2022-11-20 12:16:45,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 12:16:45,953 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:16:45,953 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:16:45,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 12:16:45,954 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:16:45,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:16:45,954 INFO L85 PathProgramCache]: Analyzing trace with hash -1002111700, now seen corresponding path program 1 times [2022-11-20 12:16:45,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:16:45,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300015351] [2022-11-20 12:16:45,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:16:45,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:16:46,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:16:46,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:16:46,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:16:46,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:16:46,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:16:46,255 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-20 12:16:46,256 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:16:46,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300015351] [2022-11-20 12:16:46,256 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300015351] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:16:46,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:16:46,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-20 12:16:46,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2207455] [2022-11-20 12:16:46,262 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:16:46,263 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 12:16:46,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:16:46,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 12:16:46,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:16:46,269 INFO L87 Difference]: Start difference. First operand 44 states and 50 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) [2022-11-20 12:16:46,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:16:46,386 INFO L93 Difference]: Finished difference Result 44 states and 50 transitions. [2022-11-20 12:16:46,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 12:16:46,394 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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 [2022-11-20 12:16:46,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:16:46,396 INFO L225 Difference]: With dead ends: 44 [2022-11-20 12:16:46,398 INFO L226 Difference]: Without dead ends: 43 [2022-11-20 12:16:46,399 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-11-20 12:16:46,401 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 4 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-20 12:16:46,409 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 114 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-20 12:16:46,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2022-11-20 12:16:46,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2022-11-20 12:16:46,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 31 states have (on average 1.1935483870967742) internal successors, (37), 36 states have internal predecessors, (37), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 12:16:46,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 49 transitions. [2022-11-20 12:16:46,423 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 49 transitions. Word has length 23 [2022-11-20 12:16:46,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:16:46,424 INFO L495 AbstractCegarLoop]: Abstraction has 43 states and 49 transitions. [2022-11-20 12:16:46,424 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 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) [2022-11-20 12:16:46,425 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 49 transitions. [2022-11-20 12:16:46,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-20 12:16:46,427 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:16:46,428 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:16:46,428 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-20 12:16:46,429 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:16:46,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:16:46,430 INFO L85 PathProgramCache]: Analyzing trace with hash 1708122856, now seen corresponding path program 1 times [2022-11-20 12:16:46,430 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:16:46,430 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1369633892] [2022-11-20 12:16:46,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:16:46,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:16:46,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:16:46,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:16:46,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:16:46,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:16:46,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:16:46,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-20 12:16:46,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:16:46,595 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 12:16:46,595 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:16:46,595 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1369633892] [2022-11-20 12:16:46,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1369633892] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:16:46,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:16:46,596 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:16:46,596 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712903490] [2022-11-20 12:16:46,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:16:46,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:16:46,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:16:46,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:16:46,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:16:46,599 INFO L87 Difference]: Start difference. First operand 43 states and 49 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-20 12:16:46,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:16:46,635 INFO L93 Difference]: Finished difference Result 43 states and 49 transitions. [2022-11-20 12:16:46,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:16:46,636 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2022-11-20 12:16:46,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:16:46,642 INFO L225 Difference]: With dead ends: 43 [2022-11-20 12:16:46,642 INFO L226 Difference]: Without dead ends: 41 [2022-11-20 12:16:46,643 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:16:46,648 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 3 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:16:46,652 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 129 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:16:46,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2022-11-20 12:16:46,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2022-11-20 12:16:46,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 31 states have (on average 1.1290322580645162) internal successors, (35), 34 states have internal predecessors, (35), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 6 states have call successors, (6) [2022-11-20 12:16:46,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 47 transitions. [2022-11-20 12:16:46,664 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 47 transitions. Word has length 31 [2022-11-20 12:16:46,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:16:46,665 INFO L495 AbstractCegarLoop]: Abstraction has 41 states and 47 transitions. [2022-11-20 12:16:46,665 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-20 12:16:46,665 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 47 transitions. [2022-11-20 12:16:46,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-11-20 12:16:46,666 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 12:16:46,667 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:16:46,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-20 12:16:46,667 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-11-20 12:16:46,668 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:16:46,668 INFO L85 PathProgramCache]: Analyzing trace with hash -1540798867, now seen corresponding path program 1 times [2022-11-20 12:16:46,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:16:46,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [16118723] [2022-11-20 12:16:46,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:16:46,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:16:46,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:16:46,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-11-20 12:16:46,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:16:46,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-11-20 12:16:46,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:16:46,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-20 12:16:46,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:16:46,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2022-11-20 12:16:46,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:16:46,875 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-11-20 12:16:46,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:16:46,876 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [16118723] [2022-11-20 12:16:46,877 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [16118723] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:16:46,877 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:16:46,877 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 12:16:46,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760018945] [2022-11-20 12:16:46,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:16:46,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-20 12:16:46,880 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:16:46,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 12:16:46,881 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 12:16:46,881 INFO L87 Difference]: Start difference. First operand 41 states and 47 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-20 12:16:46,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:16:46,909 INFO L93 Difference]: Finished difference Result 41 states and 47 transitions. [2022-11-20 12:16:46,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 12:16:46,910 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 40 [2022-11-20 12:16:46,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 12:16:46,913 INFO L225 Difference]: With dead ends: 41 [2022-11-20 12:16:46,913 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 12:16:46,914 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-20 12:16:46,922 INFO L413 NwaCegarLoop]: 43 mSDtfsCounter, 3 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-20 12:16:46,922 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 126 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 12:16:46,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 12:16:46,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 12:16:46,926 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) [2022-11-20 12:16:46,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 12:16:46,927 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 40 [2022-11-20 12:16:46,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 12:16:46,927 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:16:46,928 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-11-20 12:16:46,929 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 12:16:46,934 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 12:16:46,938 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-11-20 12:16:46,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-11-20 12:16:46,939 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-11-20 12:16:46,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-11-20 12:16:46,940 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-11-20 12:16:46,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-11-20 12:16:46,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-11-20 12:16:46,941 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-11-20 12:16:46,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-20 12:16:46,946 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 12:16:47,004 INFO L902 garLoopResultBuilder]: At program point printLineENTRY(lines 1412 1418) the Hoare annotation is: true [2022-11-20 12:16:47,004 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-11-20 12:16:47,005 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-11-20 12:16:47,005 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-11-20 12:16:47,005 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-11-20 12:16:47,005 INFO L902 garLoopResultBuilder]: At program point printIntLineENTRY(lines 1426 1429) the Hoare annotation is: true [2022-11-20 12:16:47,006 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-11-20 12:16:47,007 INFO L895 garLoopResultBuilder]: At program point L1567(line 1567) the Hoare annotation is: (and (= ~STATIC_CONST_FIVE~0 5) (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483648))) [2022-11-20 12:16:47,008 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1587) no Hoare annotation was computed. [2022-11-20 12:16:47,008 INFO L899 garLoopResultBuilder]: For program point L1629(line 1629) no Hoare annotation was computed. [2022-11-20 12:16:47,009 INFO L899 garLoopResultBuilder]: For program point L1629-1(line 1629) no Hoare annotation was computed. [2022-11-20 12:16:47,010 INFO L899 garLoopResultBuilder]: For program point L1563(lines 1563 1572) no Hoare annotation was computed. [2022-11-20 12:16:47,010 INFO L895 garLoopResultBuilder]: At program point L1559(line 1559) the Hoare annotation is: false [2022-11-20 12:16:47,010 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1629) no Hoare annotation was computed. [2022-11-20 12:16:47,011 INFO L899 garLoopResultBuilder]: For program point L1601(lines 1601 1608) no Hoare annotation was computed. [2022-11-20 12:16:47,011 INFO L899 garLoopResultBuilder]: For program point L1601-1(lines 1598 1617) no Hoare annotation was computed. [2022-11-20 12:16:47,011 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 12:16:47,011 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1565) no Hoare annotation was computed. [2022-11-20 12:16:47,012 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 12:16:47,012 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1612) no Hoare annotation was computed. [2022-11-20 12:16:47,013 INFO L899 garLoopResultBuilder]: For program point L1597(lines 1597 1617) no Hoare annotation was computed. [2022-11-20 12:16:47,013 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 12:16:47,013 INFO L895 garLoopResultBuilder]: At program point L1593(line 1593) the Hoare annotation is: (and (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483648)) (= ~STATIC_CONST_FIVE~0 5)) [2022-11-20 12:16:47,014 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1625) no Hoare annotation was computed. [2022-11-20 12:16:47,014 INFO L895 garLoopResultBuilder]: At program point L1589(line 1589) the Hoare annotation is: (and (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483648)) (= ~STATIC_CONST_FIVE~0 5)) [2022-11-20 12:16:47,014 INFO L899 garLoopResultBuilder]: For program point L1622-2(lines 1619 1634) no Hoare annotation was computed. [2022-11-20 12:16:47,015 INFO L899 garLoopResultBuilder]: For program point L1618(lines 1618 1634) no Hoare annotation was computed. [2022-11-20 12:16:47,015 INFO L899 garLoopResultBuilder]: For program point L1585(lines 1585 1594) no Hoare annotation was computed. [2022-11-20 12:16:47,015 INFO L902 garLoopResultBuilder]: At program point L1647(line 1647) the Hoare annotation is: true [2022-11-20 12:16:47,015 INFO L895 garLoopResultBuilder]: At program point L1614(line 1614) the Hoare annotation is: (= ~STATIC_CONST_FIVE~0 5) [2022-11-20 12:16:47,016 INFO L899 garLoopResultBuilder]: For program point L1647-1(line 1647) no Hoare annotation was computed. [2022-11-20 12:16:47,016 INFO L899 garLoopResultBuilder]: For program point L1635(lines 1635 1641) no Hoare annotation was computed. [2022-11-20 12:16:47,016 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1565) no Hoare annotation was computed. [2022-11-20 12:16:47,017 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 12:16:47,017 INFO L902 garLoopResultBuilder]: At program point L1631(line 1631) the Hoare annotation is: true [2022-11-20 12:16:47,017 INFO L899 garLoopResultBuilder]: For program point L1565(line 1565) no Hoare annotation was computed. [2022-11-20 12:16:47,017 INFO L899 garLoopResultBuilder]: For program point L1565-1(line 1565) no Hoare annotation was computed. [2022-11-20 12:16:47,018 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1612) no Hoare annotation was computed. [2022-11-20 12:16:47,018 INFO L899 garLoopResultBuilder]: For program point L1553(lines 1553 1556) no Hoare annotation was computed. [2022-11-20 12:16:47,018 INFO L902 garLoopResultBuilder]: At program point L1648(lines 1642 1649) the Hoare annotation is: true [2022-11-20 12:16:47,019 INFO L899 garLoopResultBuilder]: For program point L1553-2(lines 1550 1574) no Hoare annotation was computed. [2022-11-20 12:16:47,019 INFO L899 garLoopResultBuilder]: For program point L1549(lines 1549 1574) no Hoare annotation was computed. [2022-11-20 12:16:47,020 INFO L895 garLoopResultBuilder]: At program point L1603(line 1603) the Hoare annotation is: false [2022-11-20 12:16:47,020 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1587) no Hoare annotation was computed. [2022-11-20 12:16:47,020 INFO L899 garLoopResultBuilder]: For program point L1587(line 1587) no Hoare annotation was computed. [2022-11-20 12:16:47,020 INFO L899 garLoopResultBuilder]: For program point L1587-1(line 1587) no Hoare annotation was computed. [2022-11-20 12:16:47,021 INFO L899 garLoopResultBuilder]: For program point L1583(lines 1583 1595) no Hoare annotation was computed. [2022-11-20 12:16:47,021 INFO L895 garLoopResultBuilder]: At program point L1645(line 1645) the Hoare annotation is: (= ~STATIC_CONST_FIVE~0 5) [2022-11-20 12:16:47,021 INFO L899 garLoopResultBuilder]: For program point L1645-1(line 1645) no Hoare annotation was computed. [2022-11-20 12:16:47,021 INFO L899 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2022-11-20 12:16:47,022 INFO L899 garLoopResultBuilder]: For program point L1579(lines 1579 1582) no Hoare annotation was computed. [2022-11-20 12:16:47,022 INFO L899 garLoopResultBuilder]: For program point L1612-1(line 1612) no Hoare annotation was computed. [2022-11-20 12:16:47,022 INFO L899 garLoopResultBuilder]: For program point L1579-2(lines 1576 1596) no Hoare annotation was computed. [2022-11-20 12:16:47,023 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1629) no Hoare annotation was computed. [2022-11-20 12:16:47,023 INFO L899 garLoopResultBuilder]: For program point L1575(lines 1575 1596) no Hoare annotation was computed. [2022-11-20 12:16:47,024 INFO L895 garLoopResultBuilder]: At program point L1571(line 1571) the Hoare annotation is: (and (= ~STATIC_CONST_FIVE~0 5) (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483648))) [2022-11-20 12:16:47,024 INFO L899 garLoopResultBuilder]: For program point L1571-1(lines 1557 1573) no Hoare annotation was computed. [2022-11-20 12:16:47,029 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2022-11-20 12:16:47,033 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 12:16:47,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 12:16:47 BoogieIcfgContainer [2022-11-20 12:16:47,046 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 12:16:47,047 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:16:47,047 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:16:47,047 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:16:47,048 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:16:44" (3/4) ... [2022-11-20 12:16:47,052 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 12:16:47,061 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-11-20 12:16:47,062 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-11-20 12:16:47,068 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2022-11-20 12:16:47,069 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 12:16:47,069 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-11-20 12:16:47,070 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 12:16:47,121 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e94af3-df45-44bd-8d1b-df86c2305379/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 12:16:47,121 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:16:47,122 INFO L158 Benchmark]: Toolchain (without parser) took 5673.80ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 119.8MB in the beginning and 142.9MB in the end (delta: -23.1MB). Peak memory consumption was 13.1MB. Max. memory is 16.1GB. [2022-11-20 12:16:47,123 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 132.1MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:16:47,123 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1816.54ms. Allocated memory is still 163.6MB. Free memory was 119.8MB in the beginning and 112.5MB in the end (delta: 7.2MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. [2022-11-20 12:16:47,123 INFO L158 Benchmark]: Boogie Procedure Inliner took 108.38ms. Allocated memory is still 163.6MB. Free memory was 112.5MB in the beginning and 109.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 12:16:47,124 INFO L158 Benchmark]: Boogie Preprocessor took 64.26ms. Allocated memory is still 163.6MB. Free memory was 109.2MB in the beginning and 108.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:16:47,124 INFO L158 Benchmark]: RCFGBuilder took 593.81ms. Allocated memory is still 163.6MB. Free memory was 108.0MB in the beginning and 91.5MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 12:16:47,124 INFO L158 Benchmark]: TraceAbstraction took 3007.73ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 91.5MB in the beginning and 146.1MB in the end (delta: -54.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:16:47,125 INFO L158 Benchmark]: Witness Printer took 74.64ms. Allocated memory is still 197.1MB. Free memory was 146.1MB in the beginning and 142.9MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-20 12:16:47,127 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 132.1MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1816.54ms. Allocated memory is still 163.6MB. Free memory was 119.8MB in the beginning and 112.5MB in the end (delta: 7.2MB). Peak memory consumption was 53.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 108.38ms. Allocated memory is still 163.6MB. Free memory was 112.5MB in the beginning and 109.2MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 64.26ms. Allocated memory is still 163.6MB. Free memory was 109.2MB in the beginning and 108.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 593.81ms. Allocated memory is still 163.6MB. Free memory was 108.0MB in the beginning and 91.5MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3007.73ms. Allocated memory was 163.6MB in the beginning and 197.1MB in the end (delta: 33.6MB). Free memory was 91.5MB in the beginning and 146.1MB in the end (delta: -54.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 74.64ms. Allocated memory is still 197.1MB. Free memory was 146.1MB in the beginning and 142.9MB 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: 1565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1565]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1587]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1587]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1612]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1612]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1629]: 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, 57 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 7, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 71 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 66 mSDsluCounter, 883 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 542 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 125 IncrementalHoareTripleChecker+Invalid, 137 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 341 mSDtfsCounter, 125 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 56 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, InterpolantAutomatonStates: 29, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 13 LocationsWithAnnotation, 26 PreInvPairs, 31 NumberOfFragments, 65 HoareAnnotationTreeSize, 26 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 13 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 162 NumberOfCodeBlocks, 162 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 155 ConstructedInterpolants, 0 QuantifiedInterpolants, 245 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 36/36 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 1642]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-20 12:16:47,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c6e94af3-df45-44bd-8d1b-df86c2305379/bin/uautomizer-ug76WZFUDN/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