./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_08_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/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_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_08_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/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_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/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 6686bf4630552f072d8c9f4a2840dc11defb498badf4acf7ac6bbd53cabc98e5 --- 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 12:10:28,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 12:10:28,670 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 12:10:28,687 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 12:10:28,687 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 12:10:28,688 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 12:10:28,689 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 12:10:28,690 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 12:10:28,692 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 12:10:28,692 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 12:10:28,693 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 12:10:28,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 12:10:28,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 12:10:28,696 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 12:10:28,697 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 12:10:28,698 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 12:10:28,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 12:10:28,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 12:10:28,700 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 12:10:28,702 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 12:10:28,703 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 12:10:28,704 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 12:10:28,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 12:10:28,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 12:10:28,709 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 12:10:28,709 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 12:10:28,710 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 12:10:28,710 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 12:10:28,711 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 12:10:28,712 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 12:10:28,712 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 12:10:28,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 12:10:28,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 12:10:28,714 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 12:10:28,715 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 12:10:28,715 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 12:10:28,715 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 12:10:28,716 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 12:10:28,716 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 12:10:28,716 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 12:10:28,717 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 12:10:28,718 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 12:10:28,731 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 12:10:28,731 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 12:10:28,731 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 12:10:28,731 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 12:10:28,739 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 12:10:28,739 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 12:10:28,739 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 12:10:28,740 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 12:10:28,740 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 12:10:28,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 12:10:28,740 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 12:10:28,740 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 12:10:28,740 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 12:10:28,740 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 12:10:28,740 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 12:10:28,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 12:10:28,741 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 12:10:28,741 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 12:10:28,741 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 12:10:28,741 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 12:10:28,741 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 12:10:28,741 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 12:10:28,741 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 12:10:28,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:10:28,742 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 12:10:28,742 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 12:10:28,742 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 12:10:28,742 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 12:10:28,742 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 12:10:28,742 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 12:10:28,742 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 12:10:28,743 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 12:10:28,743 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 12:10:28,743 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 12:10:28,743 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_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6686bf4630552f072d8c9f4a2840dc11defb498badf4acf7ac6bbd53cabc98e5 [2022-12-13 12:10:28,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 12:10:28,926 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 12:10:28,929 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 12:10:28,930 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 12:10:28,931 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 12:10:28,932 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_08_good.i [2022-12-13 12:10:31,418 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 12:10:31,637 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 12:10:31,637 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_fscanf_add_08_good.i [2022-12-13 12:10:31,650 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/data/bb4fb5d64/8be296caf64d4ac29cc569070bfce232/FLAGcde9cb7e5 [2022-12-13 12:10:31,998 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/data/bb4fb5d64/8be296caf64d4ac29cc569070bfce232 [2022-12-13 12:10:32,004 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 12:10:32,007 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 12:10:32,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 12:10:32,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 12:10:32,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 12:10:32,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:10:32" (1/1) ... [2022-12-13 12:10:32,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d2f0a56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:32, skipping insertion in model container [2022-12-13 12:10:32,016 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 12:10:32" (1/1) ... [2022-12-13 12:10:32,023 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 12:10:32,061 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 12:10:32,278 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 12:10:32,572 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 12:10:32,576 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 12:10:32,578 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 12:10:32,580 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 12:10:32,580 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 12:10:32,609 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 12:10:32,610 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:10:32,617 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 12:10:32,630 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 12:10:32,661 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 12:10:32,662 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 12:10:32,663 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 12:10:32,664 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 12:10:32,665 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 12:10:32,670 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 12:10:32,671 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 12:10:32,792 INFO L208 MainTranslator]: Completed translation [2022-12-13 12:10:32,792 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:32 WrapperNode [2022-12-13 12:10:32,793 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 12:10:32,793 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 12:10:32,793 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 12:10:32,794 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 12:10:32,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:32" (1/1) ... [2022-12-13 12:10:32,819 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:32" (1/1) ... [2022-12-13 12:10:32,842 INFO L138 Inliner]: procedures = 505, calls = 89, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 127 [2022-12-13 12:10:32,842 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 12:10:32,843 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 12:10:32,843 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 12:10:32,843 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 12:10:32,852 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:32" (1/1) ... [2022-12-13 12:10:32,853 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:32" (1/1) ... [2022-12-13 12:10:32,855 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:32" (1/1) ... [2022-12-13 12:10:32,856 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:32" (1/1) ... [2022-12-13 12:10:32,862 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:32" (1/1) ... [2022-12-13 12:10:32,864 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:32" (1/1) ... [2022-12-13 12:10:32,866 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:32" (1/1) ... [2022-12-13 12:10:32,868 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:32" (1/1) ... [2022-12-13 12:10:32,871 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 12:10:32,872 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 12:10:32,872 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 12:10:32,872 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 12:10:32,873 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:32" (1/1) ... [2022-12-13 12:10:32,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 12:10:32,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:10:32,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 12:10:32,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 12:10:32,926 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-13 12:10:32,927 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-13 12:10:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 12:10:32,927 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 12:10:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 12:10:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 12:10:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 12:10:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 12:10:32,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 12:10:32,927 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsTrue [2022-12-13 12:10:32,928 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsTrue [2022-12-13 12:10:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 12:10:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure staticReturnsFalse [2022-12-13 12:10:32,928 INFO L138 BoogieDeclarations]: Found implementation of procedure staticReturnsFalse [2022-12-13 12:10:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 12:10:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 12:10:32,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 12:10:33,030 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 12:10:33,032 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 12:10:33,196 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 12:10:33,203 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 12:10:33,203 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-13 12:10:33,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:10:33 BoogieIcfgContainer [2022-12-13 12:10:33,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 12:10:33,208 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 12:10:33,208 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 12:10:33,211 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 12:10:33,211 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 12:10:32" (1/3) ... [2022-12-13 12:10:33,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@709f0d54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:10:33, skipping insertion in model container [2022-12-13 12:10:33,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 12:10:32" (2/3) ... [2022-12-13 12:10:33,212 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@709f0d54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 12:10:33, skipping insertion in model container [2022-12-13 12:10:33,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:10:33" (3/3) ... [2022-12-13 12:10:33,214 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_fscanf_add_08_good.i [2022-12-13 12:10:33,228 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 12:10:33,228 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations. [2022-12-13 12:10:33,262 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 12:10:33,266 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;@1aaaee42, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 12:10:33,267 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-12-13 12:10:33,269 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 48 states have (on average 1.3958333333333333) internal successors, (67), 63 states have internal predecessors, (67), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) [2022-12-13 12:10:33,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-12-13 12:10:33,275 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:10:33,275 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:10:33,276 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 12:10:33,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:10:33,279 INFO L85 PathProgramCache]: Analyzing trace with hash -1192752490, now seen corresponding path program 1 times [2022-12-13 12:10:33,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:10:33,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265984952] [2022-12-13 12:10:33,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:10:33,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:10:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:33,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:10:33,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:33,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 12:10:33,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:33,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:10:33,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:33,662 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 12:10:33,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:10:33,663 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265984952] [2022-12-13 12:10:33,663 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1265984952] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:10:33,663 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:10:33,663 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:10:33,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [825439744] [2022-12-13 12:10:33,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:10:33,668 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 12:10:33,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:10:33,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 12:10:33,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:10:33,691 INFO L87 Difference]: Start difference. First operand has 79 states, 48 states have (on average 1.3958333333333333) internal successors, (67), 63 states have internal predecessors, (67), 18 states have call successors, (18), 4 states have call predecessors, (18), 4 states have return successors, (18), 15 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 12:10:33,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:10:33,771 INFO L93 Difference]: Finished difference Result 79 states and 103 transitions. [2022-12-13 12:10:33,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:10:33,773 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 22 [2022-12-13 12:10:33,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:10:33,779 INFO L225 Difference]: With dead ends: 79 [2022-12-13 12:10:33,779 INFO L226 Difference]: Without dead ends: 70 [2022-12-13 12:10:33,781 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:10:33,783 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 10 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:10:33,784 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 265 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:10:33,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2022-12-13 12:10:33,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2022-12-13 12:10:33,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 43 states have (on average 1.372093023255814) internal successors, (59), 55 states have internal predecessors, (59), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 12:10:33,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 91 transitions. [2022-12-13 12:10:33,813 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 91 transitions. Word has length 22 [2022-12-13 12:10:33,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:10:33,814 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 91 transitions. [2022-12-13 12:10:33,815 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 5 states have internal predecessors, (16), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-12-13 12:10:33,815 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 91 transitions. [2022-12-13 12:10:33,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-12-13 12:10:33,815 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:10:33,816 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:10:33,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 12:10:33,816 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 12:10:33,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:10:33,816 INFO L85 PathProgramCache]: Analyzing trace with hash 1679378543, now seen corresponding path program 1 times [2022-12-13 12:10:33,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:10:33,817 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031031279] [2022-12-13 12:10:33,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:10:33,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:10:33,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:33,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:10:33,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:33,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 12:10:33,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:33,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:10:33,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:33,890 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 12:10:33,891 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:10:33,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031031279] [2022-12-13 12:10:33,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1031031279] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:10:33,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:10:33,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:10:33,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918525021] [2022-12-13 12:10:33,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:10:33,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:10:33,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:10:33,893 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:10:33,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:10:33,893 INFO L87 Difference]: Start difference. First operand 70 states and 91 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 12:10:33,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:10:33,923 INFO L93 Difference]: Finished difference Result 70 states and 91 transitions. [2022-12-13 12:10:33,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:10:33,923 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 23 [2022-12-13 12:10:33,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:10:33,924 INFO L225 Difference]: With dead ends: 70 [2022-12-13 12:10:33,924 INFO L226 Difference]: Without dead ends: 69 [2022-12-13 12:10:33,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:10:33,925 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 0 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:10:33,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 248 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:10:33,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-12-13 12:10:33,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2022-12-13 12:10:33,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 54 states have internal predecessors, (58), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 13 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 12:10:33,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 90 transitions. [2022-12-13 12:10:33,932 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 90 transitions. Word has length 23 [2022-12-13 12:10:33,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:10:33,933 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 90 transitions. [2022-12-13 12:10:33,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 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 12:10:33,933 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 90 transitions. [2022-12-13 12:10:33,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-12-13 12:10:33,934 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:10:33,934 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:10:33,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 12:10:33,934 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 12:10:33,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:10:33,934 INFO L85 PathProgramCache]: Analyzing trace with hash -64022006, now seen corresponding path program 1 times [2022-12-13 12:10:33,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:10:33,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517533837] [2022-12-13 12:10:33,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:10:33,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:10:33,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:33,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:10:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:33,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 12:10:33,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:10:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-12-13 12:10:34,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2022-12-13 12:10:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2022-12-13 12:10:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,030 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-13 12:10:34,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:10:34,031 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517533837] [2022-12-13 12:10:34,031 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517533837] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:10:34,031 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:10:34,031 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:10:34,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1775535629] [2022-12-13 12:10:34,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:10:34,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:10:34,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:10:34,032 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:10:34,032 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:10:34,032 INFO L87 Difference]: Start difference. First operand 69 states and 90 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 12:10:34,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:10:34,050 INFO L93 Difference]: Finished difference Result 122 states and 155 transitions. [2022-12-13 12:10:34,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:10:34,050 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 41 [2022-12-13 12:10:34,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:10:34,051 INFO L225 Difference]: With dead ends: 122 [2022-12-13 12:10:34,051 INFO L226 Difference]: Without dead ends: 68 [2022-12-13 12:10:34,052 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:10:34,053 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 164 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:10:34,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 249 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:10:34,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-12-13 12:10:34,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-12-13 12:10:34,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 53 states have internal predecessors, (57), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-13 12:10:34,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 87 transitions. [2022-12-13 12:10:34,059 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 87 transitions. Word has length 41 [2022-12-13 12:10:34,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:10:34,059 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 87 transitions. [2022-12-13 12:10:34,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 2 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 12:10:34,060 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 87 transitions. [2022-12-13 12:10:34,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-12-13 12:10:34,060 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:10:34,060 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:10:34,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 12:10:34,061 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 12:10:34,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:10:34,061 INFO L85 PathProgramCache]: Analyzing trace with hash 795898895, now seen corresponding path program 1 times [2022-12-13 12:10:34,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:10:34,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809378945] [2022-12-13 12:10:34,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:10:34,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:10:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:10:34,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 12:10:34,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:10:34,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 12:10:34,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-12-13 12:10:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 12:10:34,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,211 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-13 12:10:34,211 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:10:34,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1809378945] [2022-12-13 12:10:34,211 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1809378945] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:10:34,211 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:10:34,211 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-12-13 12:10:34,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711724650] [2022-12-13 12:10:34,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:10:34,212 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 12:10:34,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:10:34,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 12:10:34,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:10:34,213 INFO L87 Difference]: Start difference. First operand 68 states and 87 transitions. Second operand has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 12:10:34,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:10:34,268 INFO L93 Difference]: Finished difference Result 68 states and 87 transitions. [2022-12-13 12:10:34,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 12:10:34,269 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 42 [2022-12-13 12:10:34,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:10:34,270 INFO L225 Difference]: With dead ends: 68 [2022-12-13 12:10:34,270 INFO L226 Difference]: Without dead ends: 67 [2022-12-13 12:10:34,271 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2022-12-13 12:10:34,272 INFO L413 NwaCegarLoop]: 78 mSDtfsCounter, 10 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:10:34,272 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 219 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:10:34,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-12-13 12:10:34,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-12-13 12:10:34,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 43 states have (on average 1.302325581395349) internal successors, (56), 52 states have internal predecessors, (56), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-13 12:10:34,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 86 transitions. [2022-12-13 12:10:34,278 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 86 transitions. Word has length 42 [2022-12-13 12:10:34,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:10:34,278 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 86 transitions. [2022-12-13 12:10:34,278 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.75) internal successors, (23), 5 states have internal predecessors, (23), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2022-12-13 12:10:34,278 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 86 transitions. [2022-12-13 12:10:34,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-13 12:10:34,279 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:10:34,279 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:10:34,279 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 12:10:34,279 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 12:10:34,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:10:34,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1096937934, now seen corresponding path program 1 times [2022-12-13 12:10:34,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:10:34,280 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463459617] [2022-12-13 12:10:34,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:10:34,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:10:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:10:34,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 12:10:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:10:34,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 12:10:34,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-12-13 12:10:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 12:10:34,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,356 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-13 12:10:34,356 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:10:34,356 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463459617] [2022-12-13 12:10:34,356 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463459617] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:10:34,357 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 12:10:34,357 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 12:10:34,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849637153] [2022-12-13 12:10:34,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:10:34,357 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 12:10:34,357 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:10:34,357 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 12:10:34,358 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:10:34,358 INFO L87 Difference]: Start difference. First operand 67 states and 86 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-13 12:10:34,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:10:34,385 INFO L93 Difference]: Finished difference Result 67 states and 86 transitions. [2022-12-13 12:10:34,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 12:10:34,385 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 43 [2022-12-13 12:10:34,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:10:34,386 INFO L225 Difference]: With dead ends: 67 [2022-12-13 12:10:34,386 INFO L226 Difference]: Without dead ends: 66 [2022-12-13 12:10:34,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 12:10:34,387 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 0 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:10:34,387 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 233 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:10:34,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2022-12-13 12:10:34,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2022-12-13 12:10:34,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 43 states have (on average 1.2790697674418605) internal successors, (55), 51 states have internal predecessors, (55), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-13 12:10:34,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 85 transitions. [2022-12-13 12:10:34,392 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 85 transitions. Word has length 43 [2022-12-13 12:10:34,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:10:34,392 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 85 transitions. [2022-12-13 12:10:34,393 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2022-12-13 12:10:34,393 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 85 transitions. [2022-12-13 12:10:34,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-12-13 12:10:34,393 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:10:34,394 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:10:34,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 12:10:34,394 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 12:10:34,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:10:34,394 INFO L85 PathProgramCache]: Analyzing trace with hash -275706826, now seen corresponding path program 1 times [2022-12-13 12:10:34,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:10:34,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695419291] [2022-12-13 12:10:34,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:10:34,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:10:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:10:34,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 12:10:34,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:10:34,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 12:10:34,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-12-13 12:10:34,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 12:10:34,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 12:10:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 12:10:34,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,484 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-13 12:10:34,484 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:10:34,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695419291] [2022-12-13 12:10:34,484 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695419291] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 12:10:34,484 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [30568034] [2022-12-13 12:10:34,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:10:34,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:10:34,485 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:10:34,486 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:10:34,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 12:10:34,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,580 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:10:34,584 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:10:34,619 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-13 12:10:34,619 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:10:34,620 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [30568034] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:10:34,620 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 12:10:34,620 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 12:10:34,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963949795] [2022-12-13 12:10:34,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:10:34,620 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:10:34,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:10:34,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:10:34,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:10:34,621 INFO L87 Difference]: Start difference. First operand 66 states and 85 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 12:10:34,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:10:34,635 INFO L93 Difference]: Finished difference Result 84 states and 109 transitions. [2022-12-13 12:10:34,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:10:34,636 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 55 [2022-12-13 12:10:34,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:10:34,637 INFO L225 Difference]: With dead ends: 84 [2022-12-13 12:10:34,637 INFO L226 Difference]: Without dead ends: 83 [2022-12-13 12:10:34,637 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:10:34,638 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 13 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 165 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 12:10:34,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 165 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:10:34,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-12-13 12:10:34,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 70. [2022-12-13 12:10:34,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 53 states have internal predecessors, (59), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 12:10:34,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 91 transitions. [2022-12-13 12:10:34,647 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 91 transitions. Word has length 55 [2022-12-13 12:10:34,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:10:34,648 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 91 transitions. [2022-12-13 12:10:34,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 12:10:34,648 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 91 transitions. [2022-12-13 12:10:34,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-12-13 12:10:34,650 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:10:34,650 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:10:34,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 12:10:34,850 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-12-13 12:10:34,851 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 12:10:34,851 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:10:34,851 INFO L85 PathProgramCache]: Analyzing trace with hash 43023112, now seen corresponding path program 1 times [2022-12-13 12:10:34,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:10:34,851 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2145192736] [2022-12-13 12:10:34,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:10:34,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:10:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:10:34,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 12:10:34,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:10:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 12:10:34,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-12-13 12:10:34,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 12:10:34,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 12:10:34,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 12:10:34,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:34,949 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-12-13 12:10:34,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:10:34,949 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2145192736] [2022-12-13 12:10:34,949 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2145192736] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 12:10:34,950 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [837238461] [2022-12-13 12:10:34,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:10:34,950 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:10:34,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:10:34,951 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:10:34,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 12:10:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:35,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:10:35,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:10:35,056 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2022-12-13 12:10:35,057 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:10:35,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [837238461] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:10:35,057 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 12:10:35,057 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 12:10:35,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699790486] [2022-12-13 12:10:35,057 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:10:35,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:10:35,058 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:10:35,058 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:10:35,058 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:10:35,058 INFO L87 Difference]: Start difference. First operand 70 states and 91 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 12:10:35,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:10:35,068 INFO L93 Difference]: Finished difference Result 70 states and 91 transitions. [2022-12-13 12:10:35,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:10:35,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 56 [2022-12-13 12:10:35,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:10:35,070 INFO L225 Difference]: With dead ends: 70 [2022-12-13 12:10:35,070 INFO L226 Difference]: Without dead ends: 69 [2022-12-13 12:10:35,070 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:10:35,071 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 14 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:10:35,071 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 140 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:10:35,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-12-13 12:10:35,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2022-12-13 12:10:35,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 46 states have (on average 1.2608695652173914) internal successors, (58), 52 states have internal predecessors, (58), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 12:10:35,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 90 transitions. [2022-12-13 12:10:35,078 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 90 transitions. Word has length 56 [2022-12-13 12:10:35,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:10:35,079 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 90 transitions. [2022-12-13 12:10:35,079 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2022-12-13 12:10:35,079 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 90 transitions. [2022-12-13 12:10:35,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-12-13 12:10:35,080 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:10:35,080 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:10:35,085 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 12:10:35,281 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:10:35,281 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 12:10:35,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:10:35,282 INFO L85 PathProgramCache]: Analyzing trace with hash 1188171912, now seen corresponding path program 1 times [2022-12-13 12:10:35,282 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:10:35,282 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264337457] [2022-12-13 12:10:35,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:10:35,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:10:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:35,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:10:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:35,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 12:10:35,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:35,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:10:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:35,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 12:10:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:35,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-12-13 12:10:35,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:35,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 12:10:35,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:35,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 12:10:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:35,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 12:10:35,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:35,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-12-13 12:10:35,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:35,461 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-12-13 12:10:35,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:10:35,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264337457] [2022-12-13 12:10:35,462 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264337457] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 12:10:35,462 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [683357238] [2022-12-13 12:10:35,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:10:35,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:10:35,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:10:35,463 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:10:35,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 12:10:35,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:35,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:10:35,548 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:10:35,569 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-12-13 12:10:35,569 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:10:35,570 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [683357238] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:10:35,570 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 12:10:35,570 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 12:10:35,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130223980] [2022-12-13 12:10:35,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:10:35,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:10:35,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:10:35,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:10:35,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:10:35,571 INFO L87 Difference]: Start difference. First operand 69 states and 90 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 12:10:35,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:10:35,579 INFO L93 Difference]: Finished difference Result 69 states and 90 transitions. [2022-12-13 12:10:35,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:10:35,580 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 60 [2022-12-13 12:10:35,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:10:35,581 INFO L225 Difference]: With dead ends: 69 [2022-12-13 12:10:35,581 INFO L226 Difference]: Without dead ends: 68 [2022-12-13 12:10:35,581 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:10:35,582 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 12 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:10:35,582 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 140 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:10:35,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-12-13 12:10:35,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 64. [2022-12-13 12:10:35,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 43 states have (on average 1.2325581395348837) internal successors, (53), 49 states have internal predecessors, (53), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-13 12:10:35,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 83 transitions. [2022-12-13 12:10:35,588 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 83 transitions. Word has length 60 [2022-12-13 12:10:35,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:10:35,588 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 83 transitions. [2022-12-13 12:10:35,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2022-12-13 12:10:35,588 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 83 transitions. [2022-12-13 12:10:35,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-13 12:10:35,589 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:10:35,589 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:10:35,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 12:10:35,789 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:10:35,790 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 12:10:35,790 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:10:35,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1083845642, now seen corresponding path program 1 times [2022-12-13 12:10:35,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:10:35,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1552246616] [2022-12-13 12:10:35,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:10:35,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:10:35,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:35,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:10:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:35,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 12:10:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:35,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:10:35,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:35,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 12:10:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:35,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-12-13 12:10:35,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:35,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 12:10:35,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:35,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 12:10:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:35,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 12:10:35,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:35,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 12:10:35,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:35,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 12:10:35,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:35,870 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-13 12:10:35,870 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:10:35,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1552246616] [2022-12-13 12:10:35,870 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1552246616] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 12:10:35,870 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1772220135] [2022-12-13 12:10:35,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:10:35,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:10:35,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:10:35,871 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:10:35,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 12:10:35,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:35,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:10:35,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:10:35,983 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-12-13 12:10:35,983 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:10:35,984 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1772220135] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:10:35,984 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 12:10:35,984 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 12:10:35,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878056445] [2022-12-13 12:10:35,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:10:35,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:10:35,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:10:35,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:10:35,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:10:35,985 INFO L87 Difference]: Start difference. First operand 64 states and 83 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 12:10:35,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:10:35,993 INFO L93 Difference]: Finished difference Result 70 states and 90 transitions. [2022-12-13 12:10:35,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:10:35,994 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 68 [2022-12-13 12:10:35,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:10:35,995 INFO L225 Difference]: With dead ends: 70 [2022-12-13 12:10:35,995 INFO L226 Difference]: Without dead ends: 69 [2022-12-13 12:10:35,995 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:10:35,996 INFO L413 NwaCegarLoop]: 82 mSDtfsCounter, 2 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:10:35,996 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 160 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:10:35,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2022-12-13 12:10:35,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 68. [2022-12-13 12:10:36,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 46 states have (on average 1.2173913043478262) internal successors, (56), 52 states have internal predecessors, (56), 16 states have call successors, (16), 4 states have call predecessors, (16), 4 states have return successors, (16), 14 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 12:10:36,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 88 transitions. [2022-12-13 12:10:36,000 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 88 transitions. Word has length 68 [2022-12-13 12:10:36,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:10:36,001 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 88 transitions. [2022-12-13 12:10:36,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 12:10:36,001 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 88 transitions. [2022-12-13 12:10:36,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-12-13 12:10:36,001 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:10:36,001 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:10:36,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 12:10:36,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-12-13 12:10:36,204 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 12:10:36,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:10:36,205 INFO L85 PathProgramCache]: Analyzing trace with hash -1893192268, now seen corresponding path program 1 times [2022-12-13 12:10:36,205 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:10:36,205 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492812714] [2022-12-13 12:10:36,206 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:10:36,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:10:36,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:36,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:10:36,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:36,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 12:10:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:36,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:10:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:36,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 12:10:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:36,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-12-13 12:10:36,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:36,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 12:10:36,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:36,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 12:10:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:36,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 12:10:36,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:36,433 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 12:10:36,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:36,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 12:10:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:36,440 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-13 12:10:36,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:10:36,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492812714] [2022-12-13 12:10:36,441 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492812714] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 12:10:36,441 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [689564382] [2022-12-13 12:10:36,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:10:36,441 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:10:36,441 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:10:36,442 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:10:36,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-12-13 12:10:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:36,538 INFO L263 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:10:36,540 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:10:36,557 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-12-13 12:10:36,557 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:10:36,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [689564382] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:10:36,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 12:10:36,557 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 12:10:36,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [66973316] [2022-12-13 12:10:36,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:10:36,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:10:36,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:10:36,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:10:36,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:10:36,559 INFO L87 Difference]: Start difference. First operand 68 states and 88 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 12:10:36,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:10:36,566 INFO L93 Difference]: Finished difference Result 68 states and 88 transitions. [2022-12-13 12:10:36,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:10:36,567 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 68 [2022-12-13 12:10:36,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:10:36,568 INFO L225 Difference]: With dead ends: 68 [2022-12-13 12:10:36,568 INFO L226 Difference]: Without dead ends: 67 [2022-12-13 12:10:36,568 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:10:36,569 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 2 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:10:36,569 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 152 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:10:36,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-12-13 12:10:36,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2022-12-13 12:10:36,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 43 states have (on average 1.2093023255813953) internal successors, (52), 48 states have internal predecessors, (52), 15 states have call successors, (15), 4 states have call predecessors, (15), 4 states have return successors, (15), 13 states have call predecessors, (15), 15 states have call successors, (15) [2022-12-13 12:10:36,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 82 transitions. [2022-12-13 12:10:36,576 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 82 transitions. Word has length 68 [2022-12-13 12:10:36,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:10:36,576 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 82 transitions. [2022-12-13 12:10:36,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 12:10:36,577 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2022-12-13 12:10:36,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-12-13 12:10:36,578 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 12:10:36,578 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:10:36,584 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2022-12-13 12:10:36,778 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:10:36,779 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 5 more)] === [2022-12-13 12:10:36,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 12:10:36,779 INFO L85 PathProgramCache]: Analyzing trace with hash 760523614, now seen corresponding path program 1 times [2022-12-13 12:10:36,779 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 12:10:36,779 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993625619] [2022-12-13 12:10:36,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:10:36,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 12:10:36,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:36,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 12:10:36,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:36,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-12-13 12:10:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:36,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-12-13 12:10:36,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:36,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 12:10:36,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:36,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-12-13 12:10:36,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:36,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-12-13 12:10:36,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:36,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2022-12-13 12:10:36,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:36,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 12:10:36,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:36,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-12-13 12:10:36,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:36,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2022-12-13 12:10:36,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:36,883 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-12-13 12:10:36,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 12:10:36,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [993625619] [2022-12-13 12:10:36,883 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [993625619] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 12:10:36,883 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [664172507] [2022-12-13 12:10:36,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 12:10:36,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:10:36,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 12:10:36,885 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 12:10:36,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-12-13 12:10:36,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 12:10:36,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 12:10:36,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 12:10:36,983 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2022-12-13 12:10:36,983 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 12:10:36,983 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [664172507] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 12:10:36,983 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 12:10:36,983 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-12-13 12:10:36,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093276757] [2022-12-13 12:10:36,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 12:10:36,984 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 12:10:36,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 12:10:36,984 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 12:10:36,984 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:10:36,985 INFO L87 Difference]: Start difference. First operand 63 states and 82 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 12:10:36,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 12:10:36,991 INFO L93 Difference]: Finished difference Result 63 states and 82 transitions. [2022-12-13 12:10:36,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 12:10:36,991 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 69 [2022-12-13 12:10:36,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 12:10:36,992 INFO L225 Difference]: With dead ends: 63 [2022-12-13 12:10:36,992 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 12:10:36,992 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 12:10:36,993 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 2 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 12:10:36,993 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 152 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 12:10:36,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 12:10:36,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 12:10:36,994 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 12:10:36,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 12:10:36,994 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 69 [2022-12-13 12:10:36,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 12:10:36,994 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 12:10:36,994 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-12-13 12:10:36,994 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 12:10:36,994 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 12:10:36,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 8 remaining) [2022-12-13 12:10:36,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 8 remaining) [2022-12-13 12:10:36,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 8 remaining) [2022-12-13 12:10:36,997 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 8 remaining) [2022-12-13 12:10:36,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 8 remaining) [2022-12-13 12:10:36,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 8 remaining) [2022-12-13 12:10:36,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 8 remaining) [2022-12-13 12:10:36,998 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 8 remaining) [2022-12-13 12:10:37,002 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-12-13 12:10:37,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 12:10:37,201 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 12:10:37,268 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-13 12:10:37,268 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 12:10:37,268 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-12-13 12:10:37,268 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 12:10:37,268 INFO L899 garLoopResultBuilder]: For program point staticReturnsFalseEXIT(lines 1552 1555) no Hoare annotation was computed. [2022-12-13 12:10:37,268 INFO L899 garLoopResultBuilder]: For program point staticReturnsFalseFINAL(lines 1552 1555) no Hoare annotation was computed. [2022-12-13 12:10:37,269 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1552 1555) the Hoare annotation is: true [2022-12-13 12:10:37,269 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-13 12:10:37,269 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 12:10:37,269 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 12:10:37,269 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1593) no Hoare annotation was computed. [2022-12-13 12:10:37,269 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1645 1652) the Hoare annotation is: true [2022-12-13 12:10:37,269 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2022-12-13 12:10:37,269 INFO L899 garLoopResultBuilder]: For program point L1638(lines 1638 1644) no Hoare annotation was computed. [2022-12-13 12:10:37,269 INFO L899 garLoopResultBuilder]: For program point L1572(line 1572) no Hoare annotation was computed. [2022-12-13 12:10:37,269 INFO L899 garLoopResultBuilder]: For program point L1572-1(line 1572) no Hoare annotation was computed. [2022-12-13 12:10:37,269 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1572) no Hoare annotation was computed. [2022-12-13 12:10:37,270 INFO L899 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2022-12-13 12:10:37,270 INFO L899 garLoopResultBuilder]: For program point L1630-1(lines 1630 1636) no Hoare annotation was computed. [2022-12-13 12:10:37,270 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 12:10:37,270 INFO L899 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2022-12-13 12:10:37,270 INFO L899 garLoopResultBuilder]: For program point L1564-1(lines 1564 1579) no Hoare annotation was computed. [2022-12-13 12:10:37,270 INFO L899 garLoopResultBuilder]: For program point L1622(lines 1622 1637) no Hoare annotation was computed. [2022-12-13 12:10:37,270 INFO L899 garLoopResultBuilder]: For program point L1589(line 1589) no Hoare annotation was computed. [2022-12-13 12:10:37,270 INFO L899 garLoopResultBuilder]: For program point L1556(lines 1556 1580) no Hoare annotation was computed. [2022-12-13 12:10:37,270 INFO L899 garLoopResultBuilder]: For program point L1589-1(lines 1589 1600) no Hoare annotation was computed. [2022-12-13 12:10:37,270 INFO L899 garLoopResultBuilder]: For program point L1589-2(lines 1589 1600) no Hoare annotation was computed. [2022-12-13 12:10:37,270 INFO L899 garLoopResultBuilder]: For program point L1614(line 1614) no Hoare annotation was computed. [2022-12-13 12:10:37,270 INFO L899 garLoopResultBuilder]: For program point L1581(lines 1581 1601) no Hoare annotation was computed. [2022-12-13 12:10:37,270 INFO L899 garLoopResultBuilder]: For program point L1614-1(lines 1614 1620) no Hoare annotation was computed. [2022-12-13 12:10:37,271 INFO L895 garLoopResultBuilder]: At program point L1606(line 1606) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 2)) [2022-12-13 12:10:37,271 INFO L895 garLoopResultBuilder]: At program point L1573(line 1573) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483648)) [2022-12-13 12:10:37,271 INFO L899 garLoopResultBuilder]: For program point L1606-1(line 1606) no Hoare annotation was computed. [2022-12-13 12:10:37,271 INFO L899 garLoopResultBuilder]: For program point L1606-2(lines 1606 1613) no Hoare annotation was computed. [2022-12-13 12:10:37,271 INFO L895 garLoopResultBuilder]: At program point L1606-3(lines 1606 1613) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 2)) [2022-12-13 12:10:37,271 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1572) no Hoare annotation was computed. [2022-12-13 12:10:37,271 INFO L895 garLoopResultBuilder]: At program point L1598(line 1598) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483648)) [2022-12-13 12:10:37,272 INFO L902 garLoopResultBuilder]: At program point L1648(line 1648) the Hoare annotation is: true [2022-12-13 12:10:37,272 INFO L899 garLoopResultBuilder]: For program point L1648-1(line 1648) no Hoare annotation was computed. [2022-12-13 12:10:37,272 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 12:10:37,272 INFO L895 garLoopResultBuilder]: At program point L1566(line 1566) the Hoare annotation is: false [2022-12-13 12:10:37,272 INFO L899 garLoopResultBuilder]: For program point L1591(lines 1591 1599) no Hoare annotation was computed. [2022-12-13 12:10:37,272 INFO L895 garLoopResultBuilder]: At program point L1608(line 1608) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 2)) [2022-12-13 12:10:37,272 INFO L899 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2022-12-13 12:10:37,272 INFO L899 garLoopResultBuilder]: For program point L1633-1(line 1633) no Hoare annotation was computed. [2022-12-13 12:10:37,272 INFO L902 garLoopResultBuilder]: At program point L1650(line 1650) the Hoare annotation is: true [2022-12-13 12:10:37,272 INFO L899 garLoopResultBuilder]: For program point L1617(line 1617) no Hoare annotation was computed. [2022-12-13 12:10:37,272 INFO L899 garLoopResultBuilder]: For program point L1650-1(line 1650) no Hoare annotation was computed. [2022-12-13 12:10:37,272 INFO L899 garLoopResultBuilder]: For program point L1617-1(line 1617) no Hoare annotation was computed. [2022-12-13 12:10:37,273 INFO L902 garLoopResultBuilder]: At program point L1634(line 1634) the Hoare annotation is: true [2022-12-13 12:10:37,273 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 12:10:37,273 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1617) no Hoare annotation was computed. [2022-12-13 12:10:37,273 INFO L895 garLoopResultBuilder]: At program point L1626(line 1626) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) (<= 0 |ULTIMATE.start_goodG2B2_~data~3#1|) (<= |ULTIMATE.start_goodG2B2_~data~3#1| 2) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 2)) [2022-12-13 12:10:37,273 INFO L899 garLoopResultBuilder]: For program point L1593(line 1593) no Hoare annotation was computed. [2022-12-13 12:10:37,273 INFO L899 garLoopResultBuilder]: For program point L1626-1(line 1626) no Hoare annotation was computed. [2022-12-13 12:10:37,273 INFO L895 garLoopResultBuilder]: At program point L1560(line 1560) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483648)) [2022-12-13 12:10:37,273 INFO L899 garLoopResultBuilder]: For program point L1593-1(line 1593) no Hoare annotation was computed. [2022-12-13 12:10:37,273 INFO L899 garLoopResultBuilder]: For program point L1626-2(lines 1626 1629) no Hoare annotation was computed. [2022-12-13 12:10:37,273 INFO L899 garLoopResultBuilder]: For program point L1560-1(line 1560) no Hoare annotation was computed. [2022-12-13 12:10:37,273 INFO L899 garLoopResultBuilder]: For program point L1560-2(lines 1560 1563) no Hoare annotation was computed. [2022-12-13 12:10:37,274 INFO L895 garLoopResultBuilder]: At program point L1626-4(lines 1626 1629) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) (<= 0 |ULTIMATE.start_goodG2B2_~data~3#1|) (<= |ULTIMATE.start_goodG2B2_~data~3#1| 2) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 2)) [2022-12-13 12:10:37,274 INFO L895 garLoopResultBuilder]: At program point L1560-4(lines 1560 1563) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483648)) [2022-12-13 12:10:37,274 INFO L895 garLoopResultBuilder]: At program point L1618(line 1618) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_goodG2B1_~data~2#1|) (<= |ULTIMATE.start_goodG2B1_~data~2#1| 2)) [2022-12-13 12:10:37,274 INFO L895 garLoopResultBuilder]: At program point L1585(line 1585) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483648)) [2022-12-13 12:10:37,274 INFO L899 garLoopResultBuilder]: For program point L1585-1(line 1585) no Hoare annotation was computed. [2022-12-13 12:10:37,274 INFO L899 garLoopResultBuilder]: For program point L1585-2(lines 1585 1588) no Hoare annotation was computed. [2022-12-13 12:10:37,274 INFO L895 garLoopResultBuilder]: At program point L1585-4(lines 1585 1588) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483648)) [2022-12-13 12:10:37,274 INFO L895 garLoopResultBuilder]: At program point L1577(line 1577) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G1_~#data~0#1.base|) |ULTIMATE.start_goodB2G1_~#data~0#1.offset|) 2147483648)) [2022-12-13 12:10:37,274 INFO L899 garLoopResultBuilder]: For program point L1577-1(lines 1564 1579) no Hoare annotation was computed. [2022-12-13 12:10:37,274 INFO L899 garLoopResultBuilder]: For program point L1602(lines 1602 1621) no Hoare annotation was computed. [2022-12-13 12:10:37,275 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 12:10:37,275 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1617) no Hoare annotation was computed. [2022-12-13 12:10:37,275 INFO L895 garLoopResultBuilder]: At program point L1594(line 1594) the Hoare annotation is: (<= 0 (+ (select (select |#memory_int| |ULTIMATE.start_goodB2G2_~#data~1#1.base|) |ULTIMATE.start_goodB2G2_~#data~1#1.offset|) 2147483648)) [2022-12-13 12:10:37,275 INFO L899 garLoopResultBuilder]: For program point L1570(lines 1570 1578) no Hoare annotation was computed. [2022-12-13 12:10:37,275 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1593) no Hoare annotation was computed. [2022-12-13 12:10:37,275 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1633) no Hoare annotation was computed. [2022-12-13 12:10:37,275 INFO L899 garLoopResultBuilder]: For program point staticReturnsTrueFINAL(lines 1548 1551) no Hoare annotation was computed. [2022-12-13 12:10:37,275 INFO L899 garLoopResultBuilder]: For program point staticReturnsTrueEXIT(lines 1548 1551) no Hoare annotation was computed. [2022-12-13 12:10:37,275 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1548 1551) the Hoare annotation is: true [2022-12-13 12:10:37,279 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 12:10:37,281 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 12:10:37,288 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 12:10:37 BoogieIcfgContainer [2022-12-13 12:10:37,288 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 12:10:37,288 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 12:10:37,289 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 12:10:37,289 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 12:10:37,289 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 12:10:33" (3/4) ... [2022-12-13 12:10:37,291 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 12:10:37,298 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-13 12:10:37,298 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsFalse [2022-12-13 12:10:37,298 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-13 12:10:37,299 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure staticReturnsTrue [2022-12-13 12:10:37,304 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-12-13 12:10:37,304 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-13 12:10:37,304 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-13 12:10:37,305 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 12:10:37,345 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 12:10:37,345 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 12:10:37,346 INFO L158 Benchmark]: Toolchain (without parser) took 5339.56ms. Allocated memory was 130.0MB in the beginning and 192.9MB in the end (delta: 62.9MB). Free memory was 90.6MB in the beginning and 156.2MB in the end (delta: -65.7MB). Peak memory consumption was 98.4MB. Max. memory is 16.1GB. [2022-12-13 12:10:37,346 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 130.0MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:10:37,346 INFO L158 Benchmark]: CACSL2BoogieTranslator took 784.29ms. Allocated memory was 130.0MB in the beginning and 159.4MB in the end (delta: 29.4MB). Free memory was 90.6MB in the beginning and 108.1MB in the end (delta: -17.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2022-12-13 12:10:37,346 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.98ms. Allocated memory is still 159.4MB. Free memory was 108.1MB in the beginning and 104.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 12:10:37,347 INFO L158 Benchmark]: Boogie Preprocessor took 28.07ms. Allocated memory is still 159.4MB. Free memory was 104.8MB in the beginning and 103.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 12:10:37,347 INFO L158 Benchmark]: RCFGBuilder took 333.92ms. Allocated memory is still 159.4MB. Free memory was 103.6MB in the beginning and 87.2MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-12-13 12:10:37,347 INFO L158 Benchmark]: TraceAbstraction took 4080.36ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 86.0MB in the beginning and 59.9MB in the end (delta: 26.1MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2022-12-13 12:10:37,347 INFO L158 Benchmark]: Witness Printer took 56.59ms. Allocated memory is still 192.9MB. Free memory was 59.9MB in the beginning and 156.2MB in the end (delta: -96.4MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2022-12-13 12:10:37,349 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 130.0MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 784.29ms. Allocated memory was 130.0MB in the beginning and 159.4MB in the end (delta: 29.4MB). Free memory was 90.6MB in the beginning and 108.1MB in the end (delta: -17.5MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.98ms. Allocated memory is still 159.4MB. Free memory was 108.1MB in the beginning and 104.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.07ms. Allocated memory is still 159.4MB. Free memory was 104.8MB in the beginning and 103.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 333.92ms. Allocated memory is still 159.4MB. Free memory was 103.6MB in the beginning and 87.2MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 4080.36ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 86.0MB in the beginning and 59.9MB in the end (delta: 26.1MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * Witness Printer took 56.59ms. Allocated memory is still 192.9MB. Free memory was 59.9MB in the beginning and 156.2MB in the end (delta: -96.4MB). Peak memory consumption was 4.3MB. 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: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1572]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1593]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1617]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1617]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1633]: 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 5 procedures, 79 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 11, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 84 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 65 mSDsluCounter, 2123 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1209 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 138 IncrementalHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 914 mSDtfsCounter, 138 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 565 GetRequests, 533 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=79occurred in iteration=0, InterpolantAutomatonStates: 40, 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, 11 MinimizatonAttempts, 22 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 23 LocationsWithAnnotation, 47 PreInvPairs, 57 NumberOfFragments, 135 HoareAnnotationTreeSize, 47 FomulaSimplifications, 6 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 23 FomulaSimplificationsInter, 20 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 923 NumberOfCodeBlocks, 923 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 906 ConstructedInterpolants, 0 QuantifiedInterpolants, 1184 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1628 ConjunctsInSsa, 12 ConjunctsInUnsatCore, 17 InterpolantComputations, 11 PerfectInterpolantSequences, 493/517 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: 1645]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 12:10:37,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3f3a2a9-58e8-4a1c-a977-5904358c9df3/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