./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_06_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 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_2ca4ac55-a5a8-454e-8c34-8125589319e3/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca4ac55-a5a8-454e-8c34-8125589319e3/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca4ac55-a5a8-454e-8c34-8125589319e3/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca4ac55-a5a8-454e-8c34-8125589319e3/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_06_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca4ac55-a5a8-454e-8c34-8125589319e3/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca4ac55-a5a8-454e-8c34-8125589319e3/bin/uautomizer-uyxdKDjOR8 --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 e6e6aedaa36de2a3e24c3e02d4ac6f4797594169e7d60798bc19b7672556b0a3 --- 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-2329fc7 [2022-12-13 12:54:05,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:54:05,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:54:05,413 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:54:05,413 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:54:05,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:54:05,415 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:54:05,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:54:05,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:54:05,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:54:05,418 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:54:05,419 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:54:05,419 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:54:05,420 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:54:05,421 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:54:05,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:54:05,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:54:05,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:54:05,424 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:54:05,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:54:05,426 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:54:05,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:54:05,428 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:54:05,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:54:05,431 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:54:05,431 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:54:05,431 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:54:05,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:54:05,432 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:54:05,433 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:54:05,433 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:54:05,434 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:54:05,434 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:54:05,435 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:54:05,435 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:54:05,436 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:54:05,436 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:54:05,436 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:54:05,436 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:54:05,437 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:54:05,438 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:54:05,438 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca4ac55-a5a8-454e-8c34-8125589319e3/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 12:54:05,454 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:54:05,454 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:54:05,455 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:54:05,455 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:54:05,455 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:54:05,455 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:54:05,456 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:54:05,456 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:54:05,456 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:54:05,456 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:54:05,456 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 12:54:05,456 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:54:05,457 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:54:05,457 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:54:05,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:54:05,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:54:05,457 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 12:54:05,457 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:54:05,457 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:54:05,457 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:54:05,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:54:05,458 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:54:05,458 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:54:05,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:54:05,458 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:54:05,458 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:54:05,458 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:54:05,458 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:54:05,458 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 12:54:05,459 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:54:05,459 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:54:05,459 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:54:05,459 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:54:05,459 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:54:05,459 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca4ac55-a5a8-454e-8c34-8125589319e3/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca4ac55-a5a8-454e-8c34-8125589319e3/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6e6aedaa36de2a3e24c3e02d4ac6f4797594169e7d60798bc19b7672556b0a3 [2022-12-13 12:54:05,631 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:54:05,648 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:54:05,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:54:05,650 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:54:05,651 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:54:05,652 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca4ac55-a5a8-454e-8c34-8125589319e3/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_06_good.i [2022-12-13 12:54:08,219 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:54:08,440 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:54:08,441 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca4ac55-a5a8-454e-8c34-8125589319e3/sv-benchmarks/c/Juliet_Test/CWE191_Integer_Underflow__int_fgets_postdec_06_good.i [2022-12-13 12:54:08,459 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca4ac55-a5a8-454e-8c34-8125589319e3/bin/uautomizer-uyxdKDjOR8/data/31f844041/d37d44723dfe49f988b509ebb6164835/FLAGcdfb00880 [2022-12-13 12:54:08,797 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca4ac55-a5a8-454e-8c34-8125589319e3/bin/uautomizer-uyxdKDjOR8/data/31f844041/d37d44723dfe49f988b509ebb6164835 [2022-12-13 12:54:08,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:54:08,812 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:54:08,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:54:08,818 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:54:08,828 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:54:08,829 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:54:08" (1/1) ... [2022-12-13 12:54:08,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1abdd1ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:54:08, skipping insertion in model container [2022-12-13 12:54:08,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:54:08" (1/1) ... [2022-12-13 12:54:08,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:54:08,890 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:54:09,161 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 12:54:09,451 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 12:54:09,455 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 12:54:09,457 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 12:54:09,459 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 12:54:09,459 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 12:54:09,475 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 12:54:09,480 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 12:54:09,487 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 12:54:09,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:54:09,496 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:54:09,509 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 12:54:09,539 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 12:54:09,540 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 12:54:09,541 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 12:54:09,543 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 12:54:09,543 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 12:54:09,546 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 12:54:09,549 WARN L623 FunctionHandler]: Unknown extern function fgets [2022-12-13 12:54:09,551 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 12:54:09,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:54:09,634 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:54:09,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:54:09 WrapperNode [2022-12-13 12:54:09,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:54:09,635 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:54:09,635 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:54:09,635 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:54:09,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:54:09" (1/1) ... [2022-12-13 12:54:09,657 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:54:09" (1/1) ... [2022-12-13 12:54:09,673 INFO L138 Inliner]: procedures = 504, calls = 85, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 120 [2022-12-13 12:54:09,674 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:54:09,674 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:54:09,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:54:09,674 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:54:09,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:54:09" (1/1) ... [2022-12-13 12:54:09,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:54:09" (1/1) ... [2022-12-13 12:54:09,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:54:09" (1/1) ... [2022-12-13 12:54:09,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:54:09" (1/1) ... [2022-12-13 12:54:09,688 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:54:09" (1/1) ... [2022-12-13 12:54:09,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:54:09" (1/1) ... [2022-12-13 12:54:09,690 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:54:09" (1/1) ... [2022-12-13 12:54:09,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:54:09" (1/1) ... [2022-12-13 12:54:09,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:54:09,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:54:09,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:54:09,694 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:54:09,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:54:09" (1/1) ... [2022-12-13 12:54:09,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:54:09,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca4ac55-a5a8-454e-8c34-8125589319e3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:54:09,718 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca4ac55-a5a8-454e-8c34-8125589319e3/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:54:09,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca4ac55-a5a8-454e-8c34-8125589319e3/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:54:09,753 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-13 12:54:09,753 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-13 12:54:09,753 INFO L130 BoogieDeclarations]: Found specification of procedure fgets [2022-12-13 12:54:09,754 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 12:54:09,754 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 12:54:09,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 12:54:09,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-12-13 12:54:09,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:54:09,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:54:09,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:54:09,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 12:54:09,754 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 12:54:09,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:54:09,872 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:54:09,874 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:54:10,049 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:54:10,056 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:54:10,056 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 12:54:10,058 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:54:10 BoogieIcfgContainer [2022-12-13 12:54:10,058 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:54:10,061 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:54:10,061 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:54:10,064 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:54:10,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:54:08" (1/3) ... [2022-12-13 12:54:10,065 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea6ae51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:54:10, skipping insertion in model container [2022-12-13 12:54:10,065 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:54:09" (2/3) ... [2022-12-13 12:54:10,066 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea6ae51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:54:10, skipping insertion in model container [2022-12-13 12:54:10,066 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:54:10" (3/3) ... [2022-12-13 12:54:10,067 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE191_Integer_Underflow__int_fgets_postdec_06_good.i [2022-12-13 12:54:10,086 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:54:10,087 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-13 12:54:10,122 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:54:10,127 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;@6efea368, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:54:10,127 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-13 12:54:10,130 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 55 states have internal predecessors, (59), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) [2022-12-13 12:54:10,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-12-13 12:54:10,136 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:54:10,137 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:54:10,137 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)] === [2022-12-13 12:54:10,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:54:10,141 INFO L85 PathProgramCache]: Analyzing trace with hash -3411870, now seen corresponding path program 1 times [2022-12-13 12:54:10,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:54:10,148 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249203097] [2022-12-13 12:54:10,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:54:10,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:54:10,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:10,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:54:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:10,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:54:10,331 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:54:10,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249203097] [2022-12-13 12:54:10,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249203097] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:54:10,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:54:10,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:54:10,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404077811] [2022-12-13 12:54:10,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:54:10,337 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:54:10,338 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:54:10,359 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:54:10,359 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:54:10,361 INFO L87 Difference]: Start difference. First operand has 61 states, 38 states have (on average 1.5526315789473684) internal successors, (59), 55 states have internal predecessors, (59), 12 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 9 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 12:54:10,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:54:10,406 INFO L93 Difference]: Finished difference Result 112 states and 150 transitions. [2022-12-13 12:54:10,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:54:10,408 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 12 [2022-12-13 12:54:10,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:54:10,413 INFO L225 Difference]: With dead ends: 112 [2022-12-13 12:54:10,413 INFO L226 Difference]: Without dead ends: 51 [2022-12-13 12:54:10,416 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:54:10,418 INFO L413 NwaCegarLoop]: 63 mSDtfsCounter, 67 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:54:10,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 63 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:54:10,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-12-13 12:54:10,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-12-13 12:54:10,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 44 states have internal predecessors, (45), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 12:54:10,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 61 transitions. [2022-12-13 12:54:10,449 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 61 transitions. Word has length 12 [2022-12-13 12:54:10,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:54:10,450 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 61 transitions. [2022-12-13 12:54:10,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 states have internal predecessors, (10), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 12:54:10,451 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 61 transitions. [2022-12-13 12:54:10,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-12-13 12:54:10,452 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:54:10,452 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:54:10,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 12:54:10,453 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 12:54:10,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:54:10,454 INFO L85 PathProgramCache]: Analyzing trace with hash 716579271, now seen corresponding path program 1 times [2022-12-13 12:54:10,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:54:10,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1592116032] [2022-12-13 12:54:10,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:54:10,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:54:10,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:10,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:54:10,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:10,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:54:10,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:54:10,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1592116032] [2022-12-13 12:54:10,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1592116032] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:54:10,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:54:10,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:54:10,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009640399] [2022-12-13 12:54:10,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:54:10,566 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:54:10,566 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:54:10,566 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:54:10,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:54:10,567 INFO L87 Difference]: Start difference. First operand 51 states and 61 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-12-13 12:54:10,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:54:10,579 INFO L93 Difference]: Finished difference Result 51 states and 61 transitions. [2022-12-13 12:54:10,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:54:10,580 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 14 [2022-12-13 12:54:10,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:54:10,581 INFO L225 Difference]: With dead ends: 51 [2022-12-13 12:54:10,581 INFO L226 Difference]: Without dead ends: 50 [2022-12-13 12:54:10,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:54:10,582 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 2 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:54:10,583 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 112 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:54:10,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-12-13 12:54:10,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-12-13 12:54:10,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 33 states have (on average 1.3333333333333333) internal successors, (44), 43 states have internal predecessors, (44), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 12:54:10,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 60 transitions. [2022-12-13 12:54:10,590 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 60 transitions. Word has length 14 [2022-12-13 12:54:10,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:54:10,590 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 60 transitions. [2022-12-13 12:54:10,590 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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) [2022-12-13 12:54:10,590 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 60 transitions. [2022-12-13 12:54:10,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-13 12:54:10,591 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:54:10,591 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:54:10,591 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 12:54:10,591 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 12:54:10,592 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:54:10,592 INFO L85 PathProgramCache]: Analyzing trace with hash 739120992, now seen corresponding path program 1 times [2022-12-13 12:54:10,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:54:10,592 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [435303094] [2022-12-13 12:54:10,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:54:10,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:54:10,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:10,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:54:10,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:10,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 12:54:10,679 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:54:10,679 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [435303094] [2022-12-13 12:54:10,679 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [435303094] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:54:10,679 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:54:10,679 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:54:10,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337449448] [2022-12-13 12:54:10,680 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:54:10,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:54:10,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:54:10,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:54:10,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:54:10,681 INFO L87 Difference]: Start difference. First operand 50 states and 60 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2022-12-13 12:54:10,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:54:10,701 INFO L93 Difference]: Finished difference Result 50 states and 60 transitions. [2022-12-13 12:54:10,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:54:10,702 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 15 [2022-12-13 12:54:10,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:54:10,702 INFO L225 Difference]: With dead ends: 50 [2022-12-13 12:54:10,702 INFO L226 Difference]: Without dead ends: 49 [2022-12-13 12:54:10,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:54:10,703 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 30 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:54:10,704 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 126 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:54:10,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2022-12-13 12:54:10,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2022-12-13 12:54:10,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 33 states have (on average 1.303030303030303) internal successors, (43), 42 states have internal predecessors, (43), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 12:54:10,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 59 transitions. [2022-12-13 12:54:10,708 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 59 transitions. Word has length 15 [2022-12-13 12:54:10,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:54:10,709 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 59 transitions. [2022-12-13 12:54:10,709 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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) [2022-12-13 12:54:10,709 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2022-12-13 12:54:10,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-13 12:54:10,709 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:54:10,709 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, 1, 1] [2022-12-13 12:54:10,710 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 12:54:10,710 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)] === [2022-12-13 12:54:10,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:54:10,710 INFO L85 PathProgramCache]: Analyzing trace with hash -1029008232, now seen corresponding path program 1 times [2022-12-13 12:54:10,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:54:10,710 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660661172] [2022-12-13 12:54:10,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:54:10,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:54:10,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:10,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:54:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:10,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 12:54:10,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:10,775 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 12:54:10,775 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:54:10,775 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660661172] [2022-12-13 12:54:10,775 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [660661172] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:54:10,776 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:54:10,776 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 12:54:10,776 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1497955519] [2022-12-13 12:54:10,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:54:10,776 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:54:10,776 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:54:10,777 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:54:10,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 12:54:10,777 INFO L87 Difference]: Start difference. First operand 49 states and 59 transitions. Second operand has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 12:54:10,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:54:10,786 INFO L93 Difference]: Finished difference Result 49 states and 59 transitions. [2022-12-13 12:54:10,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:54:10,787 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 25 [2022-12-13 12:54:10,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:54:10,787 INFO L225 Difference]: With dead ends: 49 [2022-12-13 12:54:10,787 INFO L226 Difference]: Without dead ends: 48 [2022-12-13 12:54:10,788 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 [2022-12-13 12:54:10,788 INFO L413 NwaCegarLoop]: 55 mSDtfsCounter, 2 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:54:10,789 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 108 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:54:10,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2022-12-13 12:54:10,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2022-12-13 12:54:10,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 33 states have (on average 1.2727272727272727) internal successors, (42), 41 states have internal predecessors, (42), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 12:54:10,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 58 transitions. [2022-12-13 12:54:10,793 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 58 transitions. Word has length 25 [2022-12-13 12:54:10,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:54:10,793 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 58 transitions. [2022-12-13 12:54:10,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 12:54:10,794 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 58 transitions. [2022-12-13 12:54:10,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-13 12:54:10,794 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:54:10,794 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, 1, 1, 1] [2022-12-13 12:54:10,794 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 12:54:10,794 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)] === [2022-12-13 12:54:10,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:54:10,795 INFO L85 PathProgramCache]: Analyzing trace with hash -1834484019, now seen corresponding path program 1 times [2022-12-13 12:54:10,795 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:54:10,795 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655811518] [2022-12-13 12:54:10,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:54:10,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:54:10,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:10,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:54:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:10,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 12:54:10,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:10,860 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-13 12:54:10,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:54:10,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1655811518] [2022-12-13 12:54:10,861 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1655811518] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:54:10,861 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:54:10,861 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:54:10,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852131296] [2022-12-13 12:54:10,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:54:10,862 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:54:10,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:54:10,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:54:10,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:54:10,863 INFO L87 Difference]: Start difference. First operand 48 states and 58 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, (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) [2022-12-13 12:54:10,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:54:10,880 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2022-12-13 12:54:10,880 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:54:10,881 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, (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 26 [2022-12-13 12:54:10,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:54:10,881 INFO L225 Difference]: With dead ends: 48 [2022-12-13 12:54:10,881 INFO L226 Difference]: Without dead ends: 47 [2022-12-13 12:54:10,881 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:54:10,882 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 18 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:54:10,883 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 135 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:54:10,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2022-12-13 12:54:10,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2022-12-13 12:54:10,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 40 states have internal predecessors, (41), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 12:54:10,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 57 transitions. [2022-12-13 12:54:10,887 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 57 transitions. Word has length 26 [2022-12-13 12:54:10,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:54:10,887 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 57 transitions. [2022-12-13 12:54:10,887 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, (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) [2022-12-13 12:54:10,887 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 57 transitions. [2022-12-13 12:54:10,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-12-13 12:54:10,888 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:54:10,888 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] [2022-12-13 12:54:10,888 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 12:54:10,888 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)] === [2022-12-13 12:54:10,888 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:54:10,888 INFO L85 PathProgramCache]: Analyzing trace with hash -1863024089, now seen corresponding path program 1 times [2022-12-13 12:54:10,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:54:10,889 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [737122116] [2022-12-13 12:54:10,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:54:10,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:54:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:10,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:54:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:10,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 12:54:10,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:10,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 12:54:10,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:10,947 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 12:54:10,947 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:54:10,947 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [737122116] [2022-12-13 12:54:10,947 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [737122116] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:54:10,947 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:54:10,947 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:54:10,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533192426] [2022-12-13 12:54:10,948 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:54:10,948 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:54:10,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:54:10,949 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:54:10,949 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:54:10,949 INFO L87 Difference]: Start difference. First operand 47 states and 57 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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) [2022-12-13 12:54:10,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:54:10,965 INFO L93 Difference]: Finished difference Result 47 states and 57 transitions. [2022-12-13 12:54:10,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:54:10,966 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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 33 [2022-12-13 12:54:10,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:54:10,967 INFO L225 Difference]: With dead ends: 47 [2022-12-13 12:54:10,967 INFO L226 Difference]: Without dead ends: 46 [2022-12-13 12:54:10,967 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 [2022-12-13 12:54:10,968 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 5 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 153 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 [2022-12-13 12:54:10,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 153 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:54:10,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-12-13 12:54:10,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-12-13 12:54:10,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 39 states have internal predecessors, (40), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 12:54:10,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 56 transitions. [2022-12-13 12:54:10,974 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 56 transitions. Word has length 33 [2022-12-13 12:54:10,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:54:10,974 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 56 transitions. [2022-12-13 12:54:10,974 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 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) [2022-12-13 12:54:10,974 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 56 transitions. [2022-12-13 12:54:10,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-13 12:54:10,975 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:54:10,975 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] [2022-12-13 12:54:10,975 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 12:54:10,975 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 12:54:10,976 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:54:10,976 INFO L85 PathProgramCache]: Analyzing trace with hash -1919171787, now seen corresponding path program 1 times [2022-12-13 12:54:10,976 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:54:10,976 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1543470996] [2022-12-13 12:54:10,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:54:10,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:54:10,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:11,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:54:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:11,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 12:54:11,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:11,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 12:54:11,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:11,031 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 12:54:11,031 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:54:11,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1543470996] [2022-12-13 12:54:11,032 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1543470996] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:54:11,032 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:54:11,032 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:54:11,032 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212232371] [2022-12-13 12:54:11,032 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:54:11,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:54:11,032 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:54:11,033 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:54:11,033 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:54:11,033 INFO L87 Difference]: Start difference. First operand 46 states and 56 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2022-12-13 12:54:11,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:54:11,049 INFO L93 Difference]: Finished difference Result 46 states and 56 transitions. [2022-12-13 12:54:11,049 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:54:11,049 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 34 [2022-12-13 12:54:11,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:54:11,050 INFO L225 Difference]: With dead ends: 46 [2022-12-13 12:54:11,050 INFO L226 Difference]: Without dead ends: 45 [2022-12-13 12:54:11,051 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 [2022-12-13 12:54:11,052 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 8 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:54:11,052 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 146 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:54:11,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2022-12-13 12:54:11,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2022-12-13 12:54:11,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 33 states have (on average 1.1818181818181819) internal successors, (39), 38 states have internal predecessors, (39), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 12:54:11,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 55 transitions. [2022-12-13 12:54:11,057 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 55 transitions. Word has length 34 [2022-12-13 12:54:11,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:54:11,058 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 55 transitions. [2022-12-13 12:54:11,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2022-12-13 12:54:11,058 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 55 transitions. [2022-12-13 12:54:11,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-13 12:54:11,059 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:54:11,059 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, 1, 1] [2022-12-13 12:54:11,059 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-12-13 12:54:11,059 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 12:54:11,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:54:11,059 INFO L85 PathProgramCache]: Analyzing trace with hash -284591334, now seen corresponding path program 1 times [2022-12-13 12:54:11,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:54:11,059 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905993530] [2022-12-13 12:54:11,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:54:11,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:54:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:11,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:54:11,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:11,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 12:54:11,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:11,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 12:54:11,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:11,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 12:54:11,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:11,130 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 12:54:11,130 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:54:11,130 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905993530] [2022-12-13 12:54:11,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905993530] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:54:11,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:54:11,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:54:11,130 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410696056] [2022-12-13 12:54:11,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:54:11,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:54:11,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:54:11,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:54:11,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:54:11,131 INFO L87 Difference]: Start difference. First operand 45 states and 55 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2022-12-13 12:54:11,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:54:11,143 INFO L93 Difference]: Finished difference Result 45 states and 55 transitions. [2022-12-13 12:54:11,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:54:11,144 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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 42 [2022-12-13 12:54:11,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:54:11,144 INFO L225 Difference]: With dead ends: 45 [2022-12-13 12:54:11,144 INFO L226 Difference]: Without dead ends: 44 [2022-12-13 12:54:11,145 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 [2022-12-13 12:54:11,145 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 5 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 150 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 [2022-12-13 12:54:11,145 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 150 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:54:11,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-12-13 12:54:11,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-12-13 12:54:11,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 33 states have (on average 1.1515151515151516) internal successors, (38), 37 states have internal predecessors, (38), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 12:54:11,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 54 transitions. [2022-12-13 12:54:11,149 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 54 transitions. Word has length 42 [2022-12-13 12:54:11,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:54:11,149 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 54 transitions. [2022-12-13 12:54:11,149 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 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) [2022-12-13 12:54:11,150 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 54 transitions. [2022-12-13 12:54:11,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-13 12:54:11,150 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:54:11,150 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, 1, 1, 1] [2022-12-13 12:54:11,150 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-12-13 12:54:11,150 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 12:54:11,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:54:11,151 INFO L85 PathProgramCache]: Analyzing trace with hash -232396620, now seen corresponding path program 1 times [2022-12-13 12:54:11,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:54:11,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912372404] [2022-12-13 12:54:11,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:54:11,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:54:11,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:11,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:54:11,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:11,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2022-12-13 12:54:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:11,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 12:54:11,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:11,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 12:54:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:54:11,209 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-13 12:54:11,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:54:11,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912372404] [2022-12-13 12:54:11,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912372404] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:54:11,210 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:54:11,210 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:54:11,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267087910] [2022-12-13 12:54:11,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:54:11,210 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:54:11,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:54:11,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:54:11,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:54:11,211 INFO L87 Difference]: Start difference. First operand 44 states and 54 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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) [2022-12-13 12:54:11,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:54:11,223 INFO L93 Difference]: Finished difference Result 44 states and 54 transitions. [2022-12-13 12:54:11,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:54:11,224 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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 43 [2022-12-13 12:54:11,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:54:11,224 INFO L225 Difference]: With dead ends: 44 [2022-12-13 12:54:11,224 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 12:54:11,225 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 [2022-12-13 12:54:11,226 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 2 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:54:11,226 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 150 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:54:11,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 12:54:11,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 12:54:11,227 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) [2022-12-13 12:54:11,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 12:54:11,227 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 43 [2022-12-13 12:54:11,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:54:11,227 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 12:54:11,227 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 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) [2022-12-13 12:54:11,227 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 12:54:11,227 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 12:54:11,229 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-12-13 12:54:11,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-12-13 12:54:11,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-12-13 12:54:11,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-12-13 12:54:11,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-12-13 12:54:11,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-12-13 12:54:11,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-12-13 12:54:11,230 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-12-13 12:54:11,230 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 12:54:11,232 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 12:54:11,280 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-13 12:54:11,280 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 12:54:11,280 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-12-13 12:54:11,280 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 12:54:11,280 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-13 12:54:11,281 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 12:54:11,281 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 12:54:11,281 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1607) no Hoare annotation was computed. [2022-12-13 12:54:11,281 INFO L895 garLoopResultBuilder]: At program point L1563(line 1563) the Hoare annotation is: (and (= ~STATIC_CONST_FIVE~0 5) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647)) [2022-12-13 12:54:11,281 INFO L899 garLoopResultBuilder]: For program point L1563-1(lines 1557 1564) no Hoare annotation was computed. [2022-12-13 12:54:11,281 INFO L899 garLoopResultBuilder]: For program point L1621(lines 1621 1628) no Hoare annotation was computed. [2022-12-13 12:54:11,281 INFO L899 garLoopResultBuilder]: For program point L1621-1(lines 1618 1637) no Hoare annotation was computed. [2022-12-13 12:54:11,281 INFO L895 garLoopResultBuilder]: At program point L1613(line 1613) the Hoare annotation is: (and (= ~STATIC_CONST_FIVE~0 5) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2022-12-13 12:54:11,281 INFO L895 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1662 1669) the Hoare annotation is: (= ~STATIC_CONST_FIVE~0 5) [2022-12-13 12:54:11,282 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1649) no Hoare annotation was computed. [2022-12-13 12:54:11,282 INFO L899 garLoopResultBuilder]: For program point L1638(lines 1638 1654) no Hoare annotation was computed. [2022-12-13 12:54:11,282 INFO L899 garLoopResultBuilder]: For program point L1605(lines 1605 1614) no Hoare annotation was computed. [2022-12-13 12:54:11,282 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1575) no Hoare annotation was computed. [2022-12-13 12:54:11,282 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 12:54:11,282 INFO L899 garLoopResultBuilder]: For program point L1655(lines 1655 1661) no Hoare annotation was computed. [2022-12-13 12:54:11,282 INFO L899 garLoopResultBuilder]: For program point L1589(lines 1589 1602) no Hoare annotation was computed. [2022-12-13 12:54:11,282 INFO L899 garLoopResultBuilder]: For program point L1589-2(lines 1586 1616) no Hoare annotation was computed. [2022-12-13 12:54:11,282 INFO L895 garLoopResultBuilder]: At program point L1581(line 1581) the Hoare annotation is: (and (= ~STATIC_CONST_FIVE~0 5) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647)) [2022-12-13 12:54:11,282 INFO L899 garLoopResultBuilder]: For program point L1581-1(lines 1549 1584) no Hoare annotation was computed. [2022-12-13 12:54:11,283 INFO L899 garLoopResultBuilder]: For program point L1573(lines 1573 1582) no Hoare annotation was computed. [2022-12-13 12:54:11,283 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1575) no Hoare annotation was computed. [2022-12-13 12:54:11,283 INFO L895 garLoopResultBuilder]: At program point L1623(line 1623) the Hoare annotation is: false [2022-12-13 12:54:11,283 INFO L899 garLoopResultBuilder]: For program point L1557(lines 1557 1564) no Hoare annotation was computed. [2022-12-13 12:54:11,283 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 12:54:11,283 INFO L899 garLoopResultBuilder]: For program point L1607(line 1607) no Hoare annotation was computed. [2022-12-13 12:54:11,283 INFO L899 garLoopResultBuilder]: For program point L1607-1(line 1607) no Hoare annotation was computed. [2022-12-13 12:54:11,283 INFO L895 garLoopResultBuilder]: At program point L1665(line 1665) the Hoare annotation is: (= ~STATIC_CONST_FIVE~0 5) [2022-12-13 12:54:11,283 INFO L899 garLoopResultBuilder]: For program point L1665-1(line 1665) no Hoare annotation was computed. [2022-12-13 12:54:11,283 INFO L899 garLoopResultBuilder]: For program point L1632(line 1632) no Hoare annotation was computed. [2022-12-13 12:54:11,284 INFO L895 garLoopResultBuilder]: At program point L1599(line 1599) the Hoare annotation is: (and (= ~STATIC_CONST_FIVE~0 5) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2022-12-13 12:54:11,284 INFO L899 garLoopResultBuilder]: For program point L1632-1(line 1632) no Hoare annotation was computed. [2022-12-13 12:54:11,284 INFO L899 garLoopResultBuilder]: For program point L1599-1(lines 1593 1600) no Hoare annotation was computed. [2022-12-13 12:54:11,284 INFO L899 garLoopResultBuilder]: For program point L1649(line 1649) no Hoare annotation was computed. [2022-12-13 12:54:11,284 INFO L899 garLoopResultBuilder]: For program point L1649-1(line 1649) no Hoare annotation was computed. [2022-12-13 12:54:11,284 INFO L899 garLoopResultBuilder]: For program point L1575(line 1575) no Hoare annotation was computed. [2022-12-13 12:54:11,284 INFO L899 garLoopResultBuilder]: For program point L1575-1(line 1575) no Hoare annotation was computed. [2022-12-13 12:54:11,284 INFO L899 garLoopResultBuilder]: For program point L1617(lines 1617 1637) no Hoare annotation was computed. [2022-12-13 12:54:11,284 INFO L899 garLoopResultBuilder]: For program point L1642(lines 1642 1645) no Hoare annotation was computed. [2022-12-13 12:54:11,284 INFO L895 garLoopResultBuilder]: At program point L1609(line 1609) the Hoare annotation is: (and (= ~STATIC_CONST_FIVE~0 5) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2022-12-13 12:54:11,284 INFO L899 garLoopResultBuilder]: For program point L1642-2(lines 1639 1654) no Hoare annotation was computed. [2022-12-13 12:54:11,285 INFO L895 garLoopResultBuilder]: At program point L1667(line 1667) the Hoare annotation is: (= ~STATIC_CONST_FIVE~0 5) [2022-12-13 12:54:11,285 INFO L895 garLoopResultBuilder]: At program point L1634(line 1634) the Hoare annotation is: (and (= ~STATIC_CONST_FIVE~0 5) (<= (+ 2 |ULTIMATE.start_goodG2B1_~data~2#1|) 0) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647) (<= |ULTIMATE.start_goodB2G2_~data~1#1| 2147483647)) [2022-12-13 12:54:11,285 INFO L899 garLoopResultBuilder]: For program point L1667-1(line 1667) no Hoare annotation was computed. [2022-12-13 12:54:11,285 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 12:54:11,285 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1632) no Hoare annotation was computed. [2022-12-13 12:54:11,285 INFO L899 garLoopResultBuilder]: For program point L1593(lines 1593 1600) no Hoare annotation was computed. [2022-12-13 12:54:11,285 INFO L895 garLoopResultBuilder]: At program point L1651(line 1651) the Hoare annotation is: (= ~STATIC_CONST_FIVE~0 5) [2022-12-13 12:54:11,285 INFO L899 garLoopResultBuilder]: For program point L1585(lines 1585 1616) no Hoare annotation was computed. [2022-12-13 12:54:11,285 INFO L895 garLoopResultBuilder]: At program point L1577(line 1577) the Hoare annotation is: (and (= ~STATIC_CONST_FIVE~0 5) (<= |ULTIMATE.start_goodB2G1_~data~0#1| 2147483647)) [2022-12-13 12:54:11,285 INFO L895 garLoopResultBuilder]: At program point L1569(line 1569) the Hoare annotation is: false [2022-12-13 12:54:11,286 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 12:54:11,286 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1632) no Hoare annotation was computed. [2022-12-13 12:54:11,286 INFO L899 garLoopResultBuilder]: For program point L1553(lines 1553 1566) no Hoare annotation was computed. [2022-12-13 12:54:11,286 INFO L899 garLoopResultBuilder]: For program point L1553-2(lines 1550 1584) no Hoare annotation was computed. [2022-12-13 12:54:11,286 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1607) no Hoare annotation was computed. [2022-12-13 12:54:11,286 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1649) no Hoare annotation was computed. [2022-12-13 12:54:11,289 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:54:11,291 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 12:54:11,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 12:54:11 BoogieIcfgContainer [2022-12-13 12:54:11,303 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 12:54:11,303 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 12:54:11,304 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 12:54:11,304 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 12:54:11,304 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:54:10" (3/4) ... [2022-12-13 12:54:11,307 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 12:54:11,312 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-13 12:54:11,313 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-13 12:54:11,316 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2022-12-13 12:54:11,316 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-13 12:54:11,316 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-13 12:54:11,316 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 12:54:11,316 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 12:54:11,344 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca4ac55-a5a8-454e-8c34-8125589319e3/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 12:54:11,345 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 12:54:11,345 INFO L158 Benchmark]: Toolchain (without parser) took 2534.68ms. Allocated memory was 115.3MB in the beginning and 167.8MB in the end (delta: 52.4MB). Free memory was 62.2MB in the beginning and 89.9MB in the end (delta: -27.7MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2022-12-13 12:54:11,345 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 115.3MB. Free memory is still 87.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:54:11,345 INFO L158 Benchmark]: CACSL2BoogieTranslator took 817.59ms. Allocated memory was 115.3MB in the beginning and 167.8MB in the end (delta: 52.4MB). Free memory was 62.2MB in the beginning and 88.1MB in the end (delta: -25.9MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2022-12-13 12:54:11,345 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.77ms. Allocated memory is still 167.8MB. Free memory was 88.1MB in the beginning and 85.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:54:11,346 INFO L158 Benchmark]: Boogie Preprocessor took 18.95ms. Allocated memory is still 167.8MB. Free memory was 85.7MB in the beginning and 83.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 12:54:11,346 INFO L158 Benchmark]: RCFGBuilder took 364.46ms. Allocated memory is still 167.8MB. Free memory was 83.9MB in the beginning and 127.3MB in the end (delta: -43.4MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2022-12-13 12:54:11,346 INFO L158 Benchmark]: TraceAbstraction took 1242.23ms. Allocated memory is still 167.8MB. Free memory was 126.2MB in the beginning and 94.1MB in the end (delta: 32.1MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2022-12-13 12:54:11,346 INFO L158 Benchmark]: Witness Printer took 41.16ms. Allocated memory is still 167.8MB. Free memory was 94.1MB in the beginning and 89.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 12:54:11,347 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 115.3MB. Free memory is still 87.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 817.59ms. Allocated memory was 115.3MB in the beginning and 167.8MB in the end (delta: 52.4MB). Free memory was 62.2MB in the beginning and 88.1MB in the end (delta: -25.9MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.77ms. Allocated memory is still 167.8MB. Free memory was 88.1MB in the beginning and 85.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.95ms. Allocated memory is still 167.8MB. Free memory was 85.7MB in the beginning and 83.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 364.46ms. Allocated memory is still 167.8MB. Free memory was 83.9MB in the beginning and 127.3MB in the end (delta: -43.4MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1242.23ms. Allocated memory is still 167.8MB. Free memory was 126.2MB in the beginning and 94.1MB in the end (delta: 32.1MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. * Witness Printer took 41.16ms. Allocated memory is still 167.8MB. Free memory was 94.1MB in the beginning and 89.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1575]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1575]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1607]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1632]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1632]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1649]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1649]: 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, 61 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 9, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 151 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 139 mSDsluCounter, 1143 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 654 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 489 mSDtfsCounter, 53 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 72 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, InterpolantAutomatonStates: 33, 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, 9 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 15 LocationsWithAnnotation, 33 PreInvPairs, 42 NumberOfFragments, 82 HoareAnnotationTreeSize, 33 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 15 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 244 NumberOfCodeBlocks, 244 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 235 ConstructedInterpolants, 0 QuantifiedInterpolants, 311 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 56/56 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: 1662]: Loop Invariant Derived loop invariant: STATIC_CONST_FIVE == 5 RESULT: Ultimate proved your program to be correct! [2022-12-13 12:54:11,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ca4ac55-a5a8-454e-8c34-8125589319e3/bin/uautomizer-uyxdKDjOR8/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