./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_17_good.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246c9cb2-7ede-45ce-8abd-64849ed79e4e/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246c9cb2-7ede-45ce-8abd-64849ed79e4e/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_246c9cb2-7ede-45ce-8abd-64849ed79e4e/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246c9cb2-7ede-45ce-8abd-64849ed79e4e/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_17_good.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246c9cb2-7ede-45ce-8abd-64849ed79e4e/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_246c9cb2-7ede-45ce-8abd-64849ed79e4e/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 18932daab2b6a9e703f41380254be4987ae24cad0ed52ef44ca676e3b35352e8 --- 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 15:55:04,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 15:55:04,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 15:55:04,891 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 15:55:04,891 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 15:55:04,892 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 15:55:04,893 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 15:55:04,895 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 15:55:04,896 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 15:55:04,897 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 15:55:04,898 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 15:55:04,899 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 15:55:04,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 15:55:04,900 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 15:55:04,901 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 15:55:04,902 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 15:55:04,903 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 15:55:04,903 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 15:55:04,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 15:55:04,906 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 15:55:04,908 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 15:55:04,909 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 15:55:04,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 15:55:04,911 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 15:55:04,914 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 15:55:04,914 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 15:55:04,914 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 15:55:04,915 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 15:55:04,916 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 15:55:04,917 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 15:55:04,917 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 15:55:04,917 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 15:55:04,918 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 15:55:04,919 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 15:55:04,920 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 15:55:04,920 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 15:55:04,920 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 15:55:04,921 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 15:55:04,921 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 15:55:04,922 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 15:55:04,922 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 15:55:04,923 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246c9cb2-7ede-45ce-8abd-64849ed79e4e/bin/uautomizer-uyxdKDjOR8/config/svcomp-Overflow-64bit-Automizer_Default.epf [2022-12-13 15:55:04,943 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 15:55:04,943 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 15:55:04,943 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 15:55:04,943 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 15:55:04,944 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 15:55:04,944 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 15:55:04,945 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 15:55:04,945 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 15:55:04,945 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 15:55:04,945 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 15:55:04,946 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 15:55:04,946 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 15:55:04,946 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 15:55:04,946 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 15:55:04,946 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 15:55:04,946 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 15:55:04,946 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-12-13 15:55:04,947 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 15:55:04,947 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 15:55:04,947 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 15:55:04,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 15:55:04,947 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 15:55:04,947 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 15:55:04,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:55:04,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 15:55:04,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 15:55:04,948 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 15:55:04,948 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 15:55:04,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 15:55:04,948 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 15:55:04,949 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 15:55:04,949 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 15:55:04,949 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 15:55:04,949 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 15:55:04,949 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_246c9cb2-7ede-45ce-8abd-64849ed79e4e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246c9cb2-7ede-45ce-8abd-64849ed79e4e/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 18932daab2b6a9e703f41380254be4987ae24cad0ed52ef44ca676e3b35352e8 [2022-12-13 15:55:05,152 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 15:55:05,172 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 15:55:05,175 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 15:55:05,176 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 15:55:05,176 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 15:55:05,177 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246c9cb2-7ede-45ce-8abd-64849ed79e4e/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_17_good.i [2022-12-13 15:55:07,683 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 15:55:07,943 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 15:55:07,943 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246c9cb2-7ede-45ce-8abd-64849ed79e4e/sv-benchmarks/c/Juliet_Test/CWE190_Integer_Overflow__int_max_multiply_17_good.i [2022-12-13 15:55:07,956 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246c9cb2-7ede-45ce-8abd-64849ed79e4e/bin/uautomizer-uyxdKDjOR8/data/16d767190/2b907f1d125f42deb5257fde9eb3ca7a/FLAGbaa359df3 [2022-12-13 15:55:08,265 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246c9cb2-7ede-45ce-8abd-64849ed79e4e/bin/uautomizer-uyxdKDjOR8/data/16d767190/2b907f1d125f42deb5257fde9eb3ca7a [2022-12-13 15:55:08,268 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 15:55:08,269 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 15:55:08,270 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 15:55:08,271 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 15:55:08,275 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 15:55:08,276 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:55:08" (1/1) ... [2022-12-13 15:55:08,277 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66b7d62c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:55:08, skipping insertion in model container [2022-12-13 15:55:08,277 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 03:55:08" (1/1) ... [2022-12-13 15:55:08,286 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 15:55:08,321 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 15:55:08,547 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 15:55:08,847 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:55:08,850 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:55:08,852 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:55:08,854 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:55:08,854 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:55:08,876 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 15:55:08,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:55:08,883 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 15:55:08,896 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-12-13 15:55:08,925 WARN L623 FunctionHandler]: Unknown extern function puts [2022-12-13 15:55:08,927 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:55:08,927 WARN L623 FunctionHandler]: Unknown extern function __ctype_b_loc [2022-12-13 15:55:08,929 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:55:08,929 WARN L623 FunctionHandler]: Unknown extern function iswxdigit [2022-12-13 15:55:08,934 WARN L623 FunctionHandler]: Unknown extern function time [2022-12-13 15:55:08,935 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 15:55:09,060 INFO L208 MainTranslator]: Completed translation [2022-12-13 15:55:09,060 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:55:09 WrapperNode [2022-12-13 15:55:09,060 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 15:55:09,061 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 15:55:09,061 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 15:55:09,061 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 15:55:09,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:55:09" (1/1) ... [2022-12-13 15:55:09,081 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:55:09" (1/1) ... [2022-12-13 15:55:09,098 INFO L138 Inliner]: procedures = 501, calls = 59, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 92 [2022-12-13 15:55:09,098 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 15:55:09,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 15:55:09,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 15:55:09,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 15:55:09,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:55:09" (1/1) ... [2022-12-13 15:55:09,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:55:09" (1/1) ... [2022-12-13 15:55:09,108 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:55:09" (1/1) ... [2022-12-13 15:55:09,108 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:55:09" (1/1) ... [2022-12-13 15:55:09,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:55:09" (1/1) ... [2022-12-13 15:55:09,114 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:55:09" (1/1) ... [2022-12-13 15:55:09,116 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:55:09" (1/1) ... [2022-12-13 15:55:09,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:55:09" (1/1) ... [2022-12-13 15:55:09,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 15:55:09,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 15:55:09,120 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 15:55:09,120 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 15:55:09,120 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:55:09" (1/1) ... [2022-12-13 15:55:09,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 15:55:09,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246c9cb2-7ede-45ce-8abd-64849ed79e4e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:55:09,143 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246c9cb2-7ede-45ce-8abd-64849ed79e4e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 15:55:09,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246c9cb2-7ede-45ce-8abd-64849ed79e4e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 15:55:09,177 INFO L130 BoogieDeclarations]: Found specification of procedure printIntLine [2022-12-13 15:55:09,178 INFO L138 BoogieDeclarations]: Found implementation of procedure printIntLine [2022-12-13 15:55:09,178 INFO L130 BoogieDeclarations]: Found specification of procedure printLine [2022-12-13 15:55:09,178 INFO L138 BoogieDeclarations]: Found implementation of procedure printLine [2022-12-13 15:55:09,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 15:55:09,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 15:55:09,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 15:55:09,178 INFO L130 BoogieDeclarations]: Found specification of procedure time [2022-12-13 15:55:09,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 15:55:09,291 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 15:55:09,293 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 15:55:09,431 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 15:55:09,438 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 15:55:09,438 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-12-13 15:55:09,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:55:09 BoogieIcfgContainer [2022-12-13 15:55:09,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 15:55:09,442 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 15:55:09,442 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 15:55:09,445 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 15:55:09,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 03:55:08" (1/3) ... [2022-12-13 15:55:09,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5467f521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:55:09, skipping insertion in model container [2022-12-13 15:55:09,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 03:55:09" (2/3) ... [2022-12-13 15:55:09,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5467f521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 03:55:09, skipping insertion in model container [2022-12-13 15:55:09,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:55:09" (3/3) ... [2022-12-13 15:55:09,447 INFO L112 eAbstractionObserver]: Analyzing ICFG CWE190_Integer_Overflow__int_max_multiply_17_good.i [2022-12-13 15:55:09,462 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 15:55:09,462 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2022-12-13 15:55:09,498 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 15:55:09,503 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;@3c81abef, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 15:55:09,503 INFO L358 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2022-12-13 15:55:09,507 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 39 states have (on average 1.6153846153846154) internal successors, (63), 54 states have internal predecessors, (63), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) [2022-12-13 15:55:09,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-12-13 15:55:09,512 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:55:09,513 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:55:09,513 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-13 15:55:09,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:55:09,517 INFO L85 PathProgramCache]: Analyzing trace with hash 298641973, now seen corresponding path program 1 times [2022-12-13 15:55:09,524 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:55:09,525 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566998451] [2022-12-13 15:55:09,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:55:09,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:55:09,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:09,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:55:09,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:09,718 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 15:55:09,719 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:55:09,719 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566998451] [2022-12-13 15:55:09,719 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566998451] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:55:09,719 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:55:09,720 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:55:09,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445600859] [2022-12-13 15:55:09,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:55:09,724 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:55:09,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:55:09,744 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:55:09,744 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:55:09,746 INFO L87 Difference]: Start difference. First operand has 59 states, 39 states have (on average 1.6153846153846154) internal successors, (63), 54 states have internal predecessors, (63), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 4 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 15:55:09,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:55:09,787 INFO L93 Difference]: Finished difference Result 114 states and 141 transitions. [2022-12-13 15:55:09,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:55:09,789 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 11 [2022-12-13 15:55:09,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:55:09,794 INFO L225 Difference]: With dead ends: 114 [2022-12-13 15:55:09,795 INFO L226 Difference]: Without dead ends: 56 [2022-12-13 15:55:09,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:55:09,799 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 3 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:55:09,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 191 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:55:09,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2022-12-13 15:55:09,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2022-12-13 15:55:09,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 38 states have (on average 1.5) internal successors, (57), 52 states have internal predecessors, (57), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 15:55:09,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 65 transitions. [2022-12-13 15:55:09,830 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 65 transitions. Word has length 11 [2022-12-13 15:55:09,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:55:09,831 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 65 transitions. [2022-12-13 15:55:09,832 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 15:55:09,832 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 65 transitions. [2022-12-13 15:55:09,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-12-13 15:55:09,832 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:55:09,833 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:55:09,833 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 15:55:09,833 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-13 15:55:09,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:55:09,834 INFO L85 PathProgramCache]: Analyzing trace with hash 810413873, now seen corresponding path program 1 times [2022-12-13 15:55:09,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:55:09,834 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1179552994] [2022-12-13 15:55:09,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:55:09,834 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:55:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:09,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:55:09,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:09,915 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:55:09,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:55:09,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1179552994] [2022-12-13 15:55:09,915 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1179552994] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:55:09,915 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [407866362] [2022-12-13 15:55:09,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:55:09,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:55:09,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246c9cb2-7ede-45ce-8abd-64849ed79e4e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:55:09,917 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246c9cb2-7ede-45ce-8abd-64849ed79e4e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:55:09,918 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246c9cb2-7ede-45ce-8abd-64849ed79e4e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-12-13 15:55:09,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:09,979 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 15:55:09,983 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:55:10,032 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:55:10,032 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:55:10,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [407866362] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:55:10,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:55:10,033 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-12-13 15:55:10,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470648048] [2022-12-13 15:55:10,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:55:10,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 15:55:10,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:55:10,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 15:55:10,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-13 15:55:10,036 INFO L87 Difference]: Start difference. First operand 56 states and 65 transitions. Second operand has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 15:55:10,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:55:10,064 INFO L93 Difference]: Finished difference Result 99 states and 116 transitions. [2022-12-13 15:55:10,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:55:10,065 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 15 [2022-12-13 15:55:10,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:55:10,066 INFO L225 Difference]: With dead ends: 99 [2022-12-13 15:55:10,066 INFO L226 Difference]: Without dead ends: 51 [2022-12-13 15:55:10,066 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-13 15:55:10,067 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 78 mSDsluCounter, 66 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:55:10,067 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 120 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:55:10,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2022-12-13 15:55:10,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2022-12-13 15:55:10,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 35 states have (on average 1.457142857142857) internal successors, (51), 47 states have internal predecessors, (51), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 15:55:10,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 59 transitions. [2022-12-13 15:55:10,072 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 59 transitions. Word has length 15 [2022-12-13 15:55:10,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:55:10,072 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 59 transitions. [2022-12-13 15:55:10,072 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.6) internal successors, (13), 5 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 15:55:10,072 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 59 transitions. [2022-12-13 15:55:10,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-12-13 15:55:10,073 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:55:10,073 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:55:10,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246c9cb2-7ede-45ce-8abd-64849ed79e4e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-12-13 15:55:10,274 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246c9cb2-7ede-45ce-8abd-64849ed79e4e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2022-12-13 15:55:10,275 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-13 15:55:10,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:55:10,277 INFO L85 PathProgramCache]: Analyzing trace with hash 979153124, now seen corresponding path program 1 times [2022-12-13 15:55:10,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:55:10,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1215527244] [2022-12-13 15:55:10,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:55:10,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:55:10,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:10,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:55:10,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:10,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 15:55:10,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:55:10,427 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1215527244] [2022-12-13 15:55:10,427 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1215527244] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:55:10,427 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:55:10,427 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:55:10,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793179953] [2022-12-13 15:55:10,428 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:55:10,428 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:55:10,428 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:55:10,429 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:55:10,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:55:10,430 INFO L87 Difference]: Start difference. First operand 51 states and 59 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 15:55:10,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:55:10,444 INFO L93 Difference]: Finished difference Result 87 states and 101 transitions. [2022-12-13 15:55:10,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:55:10,444 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2022-12-13 15:55:10,445 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:55:10,445 INFO L225 Difference]: With dead ends: 87 [2022-12-13 15:55:10,445 INFO L226 Difference]: Without dead ends: 46 [2022-12-13 15:55:10,446 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:55:10,446 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 29 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:55:10,447 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 61 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:55:10,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-12-13 15:55:10,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-12-13 15:55:10,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 33 states have (on average 1.3636363636363635) internal successors, (45), 41 states have internal predecessors, (45), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 15:55:10,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 51 transitions. [2022-12-13 15:55:10,452 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 51 transitions. Word has length 18 [2022-12-13 15:55:10,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:55:10,452 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 51 transitions. [2022-12-13 15:55:10,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 15:55:10,452 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2022-12-13 15:55:10,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-12-13 15:55:10,453 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:55:10,453 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:55:10,453 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 15:55:10,453 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-13 15:55:10,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:55:10,454 INFO L85 PathProgramCache]: Analyzing trace with hash 287442621, now seen corresponding path program 1 times [2022-12-13 15:55:10,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:55:10,454 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [843711474] [2022-12-13 15:55:10,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:55:10,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:55:10,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:10,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:55:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:10,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-12-13 15:55:10,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:55:10,490 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [843711474] [2022-12-13 15:55:10,490 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [843711474] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:55:10,490 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:55:10,490 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:55:10,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122477169] [2022-12-13 15:55:10,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:55:10,491 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:55:10,491 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:55:10,492 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:55:10,492 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:55:10,492 INFO L87 Difference]: Start difference. First operand 46 states and 51 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 15:55:10,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:55:10,506 INFO L93 Difference]: Finished difference Result 78 states and 87 transitions. [2022-12-13 15:55:10,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:55:10,506 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2022-12-13 15:55:10,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:55:10,507 INFO L225 Difference]: With dead ends: 78 [2022-12-13 15:55:10,507 INFO L226 Difference]: Without dead ends: 55 [2022-12-13 15:55:10,508 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:55:10,509 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 7 mSDsluCounter, 45 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:55:10,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 95 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:55:10,510 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2022-12-13 15:55:10,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 47. [2022-12-13 15:55:10,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 42 states have internal predecessors, (46), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 15:55:10,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2022-12-13 15:55:10,514 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 19 [2022-12-13 15:55:10,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:55:10,515 INFO L495 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2022-12-13 15:55:10,515 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-12-13 15:55:10,515 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2022-12-13 15:55:10,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-12-13 15:55:10,516 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:55:10,516 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:55:10,516 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 15:55:10,516 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-13 15:55:10,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:55:10,516 INFO L85 PathProgramCache]: Analyzing trace with hash 1321514904, now seen corresponding path program 1 times [2022-12-13 15:55:10,517 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:55:10,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168169733] [2022-12-13 15:55:10,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:55:10,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:55:10,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:10,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:55:10,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:10,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:55:10,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:10,563 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-13 15:55:10,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:55:10,564 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168169733] [2022-12-13 15:55:10,564 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168169733] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:55:10,564 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:55:10,564 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:55:10,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684310010] [2022-12-13 15:55:10,564 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:55:10,565 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:55:10,565 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:55:10,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:55:10,566 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:55:10,566 INFO L87 Difference]: Start difference. First operand 47 states and 52 transitions. Second operand has 4 states, 3 states have (on average 5.666666666666667) internal successors, (17), 4 states have internal predecessors, (17), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 15:55:10,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:55:10,588 INFO L93 Difference]: Finished difference Result 55 states and 61 transitions. [2022-12-13 15:55:10,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:55:10,588 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 24 [2022-12-13 15:55:10,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:55:10,589 INFO L225 Difference]: With dead ends: 55 [2022-12-13 15:55:10,589 INFO L226 Difference]: Without dead ends: 53 [2022-12-13 15:55:10,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:55:10,590 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 3 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:55:10,590 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 138 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:55:10,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2022-12-13 15:55:10,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2022-12-13 15:55:10,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 39 states have (on average 1.3076923076923077) internal successors, (51), 47 states have internal predecessors, (51), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 15:55:10,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 59 transitions. [2022-12-13 15:55:10,595 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 59 transitions. Word has length 24 [2022-12-13 15:55:10,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:55:10,595 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 59 transitions. [2022-12-13 15:55:10,595 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), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-12-13 15:55:10,595 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 59 transitions. [2022-12-13 15:55:10,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-12-13 15:55:10,596 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:55:10,596 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:55:10,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-12-13 15:55:10,597 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-13 15:55:10,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:55:10,597 INFO L85 PathProgramCache]: Analyzing trace with hash -881769175, now seen corresponding path program 1 times [2022-12-13 15:55:10,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:55:10,598 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [711832964] [2022-12-13 15:55:10,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:55:10,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:55:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:10,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:55:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:10,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:55:10,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:10,643 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 15:55:10,643 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:55:10,643 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [711832964] [2022-12-13 15:55:10,644 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [711832964] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:55:10,644 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:55:10,644 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:55:10,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [584363880] [2022-12-13 15:55:10,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:55:10,644 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:55:10,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:55:10,645 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:55:10,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:55:10,645 INFO L87 Difference]: Start difference. First operand 53 states and 59 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 15:55:10,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:55:10,667 INFO L93 Difference]: Finished difference Result 75 states and 83 transitions. [2022-12-13 15:55:10,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:55:10,668 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 30 [2022-12-13 15:55:10,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:55:10,669 INFO L225 Difference]: With dead ends: 75 [2022-12-13 15:55:10,669 INFO L226 Difference]: Without dead ends: 57 [2022-12-13 15:55:10,669 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:55:10,670 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 3 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 137 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:55:10,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 137 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:55:10,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2022-12-13 15:55:10,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2022-12-13 15:55:10,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 43 states have (on average 1.2790697674418605) internal successors, (55), 51 states have internal predecessors, (55), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 15:55:10,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 63 transitions. [2022-12-13 15:55:10,675 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 63 transitions. Word has length 30 [2022-12-13 15:55:10,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:55:10,675 INFO L495 AbstractCegarLoop]: Abstraction has 57 states and 63 transitions. [2022-12-13 15:55:10,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 15:55:10,675 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 63 transitions. [2022-12-13 15:55:10,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-13 15:55:10,676 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:55:10,676 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-12-13 15:55:10,677 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-12-13 15:55:10,677 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-13 15:55:10,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:55:10,677 INFO L85 PathProgramCache]: Analyzing trace with hash 2042402149, now seen corresponding path program 1 times [2022-12-13 15:55:10,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:55:10,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352047981] [2022-12-13 15:55:10,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:55:10,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:55:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:10,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:55:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:10,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:55:10,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:10,731 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 15:55:10,732 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:55:10,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352047981] [2022-12-13 15:55:10,732 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352047981] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:55:10,732 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1051307251] [2022-12-13 15:55:10,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:55:10,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:55:10,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246c9cb2-7ede-45ce-8abd-64849ed79e4e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:55:10,733 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246c9cb2-7ede-45ce-8abd-64849ed79e4e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:55:10,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246c9cb2-7ede-45ce-8abd-64849ed79e4e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-12-13 15:55:10,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:10,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 15:55:10,795 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:55:10,823 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 15:55:10,823 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:55:10,823 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1051307251] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:55:10,823 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:55:10,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-12-13 15:55:10,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520904996] [2022-12-13 15:55:10,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:55:10,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 15:55:10,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:55:10,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 15:55:10,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-13 15:55:10,825 INFO L87 Difference]: Start difference. First operand 57 states and 63 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 15:55:10,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:55:10,844 INFO L93 Difference]: Finished difference Result 74 states and 82 transitions. [2022-12-13 15:55:10,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:55:10,845 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 34 [2022-12-13 15:55:10,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:55:10,846 INFO L225 Difference]: With dead ends: 74 [2022-12-13 15:55:10,846 INFO L226 Difference]: Without dead ends: 52 [2022-12-13 15:55:10,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-13 15:55:10,846 INFO L413 NwaCegarLoop]: 44 mSDtfsCounter, 16 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:55:10,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 145 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:55:10,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2022-12-13 15:55:10,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2022-12-13 15:55:10,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 40 states have (on average 1.225) internal successors, (49), 46 states have internal predecessors, (49), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 15:55:10,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 57 transitions. [2022-12-13 15:55:10,851 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 57 transitions. Word has length 34 [2022-12-13 15:55:10,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:55:10,851 INFO L495 AbstractCegarLoop]: Abstraction has 52 states and 57 transitions. [2022-12-13 15:55:10,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 15:55:10,851 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2022-12-13 15:55:10,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-12-13 15:55:10,852 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:55:10,852 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:55:10,856 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246c9cb2-7ede-45ce-8abd-64849ed79e4e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-12-13 15:55:11,052 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246c9cb2-7ede-45ce-8abd-64849ed79e4e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:55:11,053 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-13 15:55:11,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:55:11,053 INFO L85 PathProgramCache]: Analyzing trace with hash 848796844, now seen corresponding path program 1 times [2022-12-13 15:55:11,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:55:11,053 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [622857940] [2022-12-13 15:55:11,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:55:11,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:55:11,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:11,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:55:11,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:11,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:55:11,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:11,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-12-13 15:55:11,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:11,122 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-13 15:55:11,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:55:11,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [622857940] [2022-12-13 15:55:11,122 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [622857940] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:55:11,122 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478093576] [2022-12-13 15:55:11,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:55:11,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:55:11,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246c9cb2-7ede-45ce-8abd-64849ed79e4e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:55:11,124 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246c9cb2-7ede-45ce-8abd-64849ed79e4e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:55:11,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246c9cb2-7ede-45ce-8abd-64849ed79e4e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-12-13 15:55:11,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:11,177 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 15:55:11,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:55:11,205 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-13 15:55:11,205 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:55:11,205 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478093576] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:55:11,206 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:55:11,206 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-12-13 15:55:11,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436795358] [2022-12-13 15:55:11,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:55:11,206 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 15:55:11,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:55:11,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 15:55:11,207 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-13 15:55:11,207 INFO L87 Difference]: Start difference. First operand 52 states and 57 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 15:55:11,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:55:11,229 INFO L93 Difference]: Finished difference Result 79 states and 86 transitions. [2022-12-13 15:55:11,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:55:11,230 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Word has length 35 [2022-12-13 15:55:11,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:55:11,230 INFO L225 Difference]: With dead ends: 79 [2022-12-13 15:55:11,230 INFO L226 Difference]: Without dead ends: 44 [2022-12-13 15:55:11,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-13 15:55:11,232 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 42 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:55:11,232 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 102 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:55:11,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2022-12-13 15:55:11,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2022-12-13 15:55:11,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 35 states have (on average 1.1714285714285715) internal successors, (41), 39 states have internal predecessors, (41), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 15:55:11,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 47 transitions. [2022-12-13 15:55:11,236 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 47 transitions. Word has length 35 [2022-12-13 15:55:11,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:55:11,236 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 47 transitions. [2022-12-13 15:55:11,237 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 15:55:11,237 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 47 transitions. [2022-12-13 15:55:11,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-12-13 15:55:11,237 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:55:11,237 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:55:11,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246c9cb2-7ede-45ce-8abd-64849ed79e4e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2022-12-13 15:55:11,438 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246c9cb2-7ede-45ce-8abd-64849ed79e4e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:55:11,439 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-13 15:55:11,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:55:11,439 INFO L85 PathProgramCache]: Analyzing trace with hash -53180309, now seen corresponding path program 1 times [2022-12-13 15:55:11,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:55:11,439 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155159103] [2022-12-13 15:55:11,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:55:11,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:55:11,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:11,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:55:11,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:11,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:55:11,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:11,482 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2022-12-13 15:55:11,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:55:11,482 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155159103] [2022-12-13 15:55:11,482 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155159103] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:55:11,482 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:55:11,482 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 15:55:11,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722125651] [2022-12-13 15:55:11,483 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:55:11,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 15:55:11,483 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:55:11,484 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 15:55:11,484 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:55:11,484 INFO L87 Difference]: Start difference. First operand 44 states and 47 transitions. Second operand has 3 states, 2 states have (on average 14.5) internal successors, (29), 3 states have internal predecessors, (29), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 15:55:11,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:55:11,495 INFO L93 Difference]: Finished difference Result 57 states and 63 transitions. [2022-12-13 15:55:11,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 15:55:11,496 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 36 [2022-12-13 15:55:11,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:55:11,497 INFO L225 Difference]: With dead ends: 57 [2022-12-13 15:55:11,497 INFO L226 Difference]: Without dead ends: 42 [2022-12-13 15:55:11,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 15:55:11,498 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 7 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:55:11,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 68 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:55:11,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-12-13 15:55:11,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-12-13 15:55:11,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 35 states have (on average 1.0857142857142856) internal successors, (38), 36 states have internal predecessors, (38), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2022-12-13 15:55:11,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 44 transitions. [2022-12-13 15:55:11,503 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 44 transitions. Word has length 36 [2022-12-13 15:55:11,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:55:11,503 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 44 transitions. [2022-12-13 15:55:11,504 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), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-12-13 15:55:11,504 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 44 transitions. [2022-12-13 15:55:11,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-12-13 15:55:11,504 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:55:11,505 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:55:11,505 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-12-13 15:55:11,505 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-13 15:55:11,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:55:11,506 INFO L85 PathProgramCache]: Analyzing trace with hash -1566653607, now seen corresponding path program 1 times [2022-12-13 15:55:11,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:55:11,506 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320282409] [2022-12-13 15:55:11,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:55:11,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:55:11,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:11,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:55:11,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:11,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:55:11,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:11,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:55:11,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:11,567 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-13 15:55:11,567 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:55:11,567 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320282409] [2022-12-13 15:55:11,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320282409] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:55:11,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 15:55:11,567 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 15:55:11,567 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [934180773] [2022-12-13 15:55:11,567 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:55:11,568 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-12-13 15:55:11,568 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:55:11,568 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-12-13 15:55:11,568 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-12-13 15:55:11,569 INFO L87 Difference]: Start difference. First operand 42 states and 44 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 15:55:11,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:55:11,589 INFO L93 Difference]: Finished difference Result 52 states and 55 transitions. [2022-12-13 15:55:11,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-12-13 15:55:11,589 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 43 [2022-12-13 15:55:11,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:55:11,590 INFO L225 Difference]: With dead ends: 52 [2022-12-13 15:55:11,590 INFO L226 Difference]: Without dead ends: 50 [2022-12-13 15:55:11,590 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-12-13 15:55:11,590 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 3 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:55:11,591 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 118 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:55:11,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2022-12-13 15:55:11,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2022-12-13 15:55:11,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 42 states have (on average 1.0714285714285714) internal successors, (45), 43 states have internal predecessors, (45), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2022-12-13 15:55:11,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 53 transitions. [2022-12-13 15:55:11,595 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 53 transitions. Word has length 43 [2022-12-13 15:55:11,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:55:11,595 INFO L495 AbstractCegarLoop]: Abstraction has 50 states and 53 transitions. [2022-12-13 15:55:11,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 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 15:55:11,595 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 53 transitions. [2022-12-13 15:55:11,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-12-13 15:55:11,596 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 15:55:11,596 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 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] [2022-12-13 15:55:11,597 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-12-13 15:55:11,597 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2022-12-13 15:55:11,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 15:55:11,597 INFO L85 PathProgramCache]: Analyzing trace with hash 957734873, now seen corresponding path program 1 times [2022-12-13 15:55:11,597 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 15:55:11,597 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860712427] [2022-12-13 15:55:11,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:55:11,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 15:55:11,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:11,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-12-13 15:55:11,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:11,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-12-13 15:55:11,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:11,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2022-12-13 15:55:11,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:11,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2022-12-13 15:55:11,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:11,656 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-12-13 15:55:11,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 15:55:11,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860712427] [2022-12-13 15:55:11,657 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860712427] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 15:55:11,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704622878] [2022-12-13 15:55:11,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 15:55:11,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 15:55:11,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246c9cb2-7ede-45ce-8abd-64849ed79e4e/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 15:55:11,658 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246c9cb2-7ede-45ce-8abd-64849ed79e4e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 15:55:11,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246c9cb2-7ede-45ce-8abd-64849ed79e4e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-12-13 15:55:11,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 15:55:11,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjunts are in the unsatisfiable core [2022-12-13 15:55:11,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 15:55:11,746 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-12-13 15:55:11,746 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-12-13 15:55:11,746 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [704622878] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 15:55:11,746 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-12-13 15:55:11,746 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-12-13 15:55:11,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472513006] [2022-12-13 15:55:11,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 15:55:11,747 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 15:55:11,747 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 15:55:11,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 15:55:11,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2022-12-13 15:55:11,748 INFO L87 Difference]: Start difference. First operand 50 states and 53 transitions. Second operand has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-12-13 15:55:11,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 15:55:11,764 INFO L93 Difference]: Finished difference Result 54 states and 56 transitions. [2022-12-13 15:55:11,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 15:55:11,765 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 54 [2022-12-13 15:55:11,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 15:55:11,765 INFO L225 Difference]: With dead ends: 54 [2022-12-13 15:55:11,765 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 15:55:11,766 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2022-12-13 15:55:11,772 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 2 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 15:55:11,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 110 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 15:55:11,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 15:55:11,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 15:55:11,773 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 15:55:11,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 15:55:11,773 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 54 [2022-12-13 15:55:11,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 15:55:11,774 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 15:55:11,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.6) internal successors, (43), 5 states have internal predecessors, (43), 3 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2022-12-13 15:55:11,774 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 15:55:11,774 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 15:55:11,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2022-12-13 15:55:11,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2022-12-13 15:55:11,776 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2022-12-13 15:55:11,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2022-12-13 15:55:11,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2022-12-13 15:55:11,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2022-12-13 15:55:11,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2022-12-13 15:55:11,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2022-12-13 15:55:11,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2022-12-13 15:55:11,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2022-12-13 15:55:11,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2022-12-13 15:55:11,777 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2022-12-13 15:55:11,782 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246c9cb2-7ede-45ce-8abd-64849ed79e4e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-12-13 15:55:11,978 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246c9cb2-7ede-45ce-8abd-64849ed79e4e/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-12-13 15:55:11,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 15:55:12,176 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1412 1418) the Hoare annotation is: true [2022-12-13 15:55:12,176 INFO L899 garLoopResultBuilder]: For program point printLineEXIT(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 15:55:12,176 INFO L899 garLoopResultBuilder]: For program point L1414(lines 1414 1417) no Hoare annotation was computed. [2022-12-13 15:55:12,177 INFO L899 garLoopResultBuilder]: For program point L1414-2(lines 1412 1418) no Hoare annotation was computed. [2022-12-13 15:55:12,177 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 1426 1429) the Hoare annotation is: true [2022-12-13 15:55:12,177 INFO L899 garLoopResultBuilder]: For program point printIntLineEXIT(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 15:55:12,177 INFO L899 garLoopResultBuilder]: For program point printIntLineFINAL(lines 1426 1429) no Hoare annotation was computed. [2022-12-13 15:55:12,177 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1563) no Hoare annotation was computed. [2022-12-13 15:55:12,177 INFO L899 garLoopResultBuilder]: For program point L1563(line 1563) no Hoare annotation was computed. [2022-12-13 15:55:12,177 INFO L899 garLoopResultBuilder]: For program point L1563-1(line 1563) no Hoare annotation was computed. [2022-12-13 15:55:12,177 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 1596 1603) the Hoare annotation is: true [2022-12-13 15:55:12,177 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1578) no Hoare annotation was computed. [2022-12-13 15:55:12,177 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1553) no Hoare annotation was computed. [2022-12-13 15:55:12,178 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 15:55:12,178 INFO L895 garLoopResultBuilder]: At program point L1564(line 1564) the Hoare annotation is: false [2022-12-13 15:55:12,178 INFO L899 garLoopResultBuilder]: For program point L1548(lines 1548 1572) no Hoare annotation was computed. [2022-12-13 15:55:12,178 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2022-12-13 15:55:12,178 INFO L899 garLoopResultBuilder]: For program point L1573(lines 1573 1590) no Hoare annotation was computed. [2022-12-13 15:55:12,178 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1553) no Hoare annotation was computed. [2022-12-13 15:55:12,178 INFO L899 garLoopResultBuilder]: For program point L1557-2(lines 1557 1571) no Hoare annotation was computed. [2022-12-13 15:55:12,178 INFO L899 garLoopResultBuilder]: For program point L1557-3(line 1557) no Hoare annotation was computed. [2022-12-13 15:55:12,178 INFO L899 garLoopResultBuilder]: For program point L1557-4(line 1557) no Hoare annotation was computed. [2022-12-13 15:55:12,179 INFO L895 garLoopResultBuilder]: At program point L1557-5(lines 1557 1571) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|)) (.cse1 (<= 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|))) (or (and .cse0 (<= 1 |ULTIMATE.start_goodB2G_~k~0#1|) .cse1) (and .cse0 (= |ULTIMATE.start_goodB2G_~k~0#1| 0) .cse1))) [2022-12-13 15:55:12,179 INFO L899 garLoopResultBuilder]: For program point L1582-2(lines 1582 1589) no Hoare annotation was computed. [2022-12-13 15:55:12,179 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1586) no Hoare annotation was computed. [2022-12-13 15:55:12,179 INFO L899 garLoopResultBuilder]: For program point L1582-3(line 1582) no Hoare annotation was computed. [2022-12-13 15:55:12,179 INFO L899 garLoopResultBuilder]: For program point L1582-4(line 1582) no Hoare annotation was computed. [2022-12-13 15:55:12,179 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 15:55:12,179 INFO L895 garLoopResultBuilder]: At program point L1582-5(lines 1582 1589) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|)) (.cse1 (<= 1 |ULTIMATE.start_goodG2B_~h~0#1|)) (.cse2 (<= 1 |ULTIMATE.start_goodB2G_~k~0#1|)) (.cse3 (<= 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|)) (.cse4 (= |ULTIMATE.start_goodG2B_~data~1#1| 2))) (or (and .cse0 (<= 1 |ULTIMATE.start_goodG2B_~j~0#1|) .cse1 .cse2 .cse3 .cse4) (and .cse0 (= |ULTIMATE.start_goodG2B_~j~0#1| 0) .cse1 .cse2 .cse3 .cse4))) [2022-12-13 15:55:12,179 INFO L902 garLoopResultBuilder]: At program point L1599(line 1599) the Hoare annotation is: true [2022-12-13 15:55:12,179 INFO L899 garLoopResultBuilder]: For program point L1599-1(line 1599) no Hoare annotation was computed. [2022-12-13 15:55:12,180 INFO L899 garLoopResultBuilder]: For program point L1591(lines 1591 1595) no Hoare annotation was computed. [2022-12-13 15:55:12,180 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1582) no Hoare annotation was computed. [2022-12-13 15:55:12,180 INFO L899 garLoopResultBuilder]: For program point L1559(lines 1559 1570) no Hoare annotation was computed. [2022-12-13 15:55:12,180 INFO L899 garLoopResultBuilder]: For program point L1584(lines 1584 1588) no Hoare annotation was computed. [2022-12-13 15:55:12,180 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1582) no Hoare annotation was computed. [2022-12-13 15:55:12,180 INFO L902 garLoopResultBuilder]: At program point L1601(line 1601) the Hoare annotation is: true [2022-12-13 15:55:12,180 INFO L895 garLoopResultBuilder]: At program point L1568(line 1568) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|) (= |ULTIMATE.start_goodB2G_~k~0#1| 0) (<= 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|)) [2022-12-13 15:55:12,180 INFO L899 garLoopResultBuilder]: For program point L1601-1(line 1601) no Hoare annotation was computed. [2022-12-13 15:55:12,180 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 15:55:12,180 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1557) no Hoare annotation was computed. [2022-12-13 15:55:12,181 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 15:55:12,181 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1557) no Hoare annotation was computed. [2022-12-13 15:55:12,181 INFO L899 garLoopResultBuilder]: For program point L1561(lines 1561 1569) no Hoare annotation was computed. [2022-12-13 15:55:12,181 INFO L899 garLoopResultBuilder]: For program point L1586(line 1586) no Hoare annotation was computed. [2022-12-13 15:55:12,181 INFO L899 garLoopResultBuilder]: For program point L1586-1(line 1586) no Hoare annotation was computed. [2022-12-13 15:55:12,181 INFO L899 garLoopResultBuilder]: For program point L1553-2(lines 1553 1556) no Hoare annotation was computed. [2022-12-13 15:55:12,181 INFO L899 garLoopResultBuilder]: For program point L1553-3(line 1553) no Hoare annotation was computed. [2022-12-13 15:55:12,181 INFO L899 garLoopResultBuilder]: For program point L1553-4(line 1553) no Hoare annotation was computed. [2022-12-13 15:55:12,181 INFO L895 garLoopResultBuilder]: At program point L1553-5(lines 1553 1556) the Hoare annotation is: (or (and (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|) (<= 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|)) (= |ULTIMATE.start_goodB2G_~i~1#1| 0)) [2022-12-13 15:55:12,181 INFO L899 garLoopResultBuilder]: For program point L1553-6(lines 1553 1556) no Hoare annotation was computed. [2022-12-13 15:55:12,181 INFO L899 garLoopResultBuilder]: For program point L1578-2(lines 1578 1581) no Hoare annotation was computed. [2022-12-13 15:55:12,182 INFO L899 garLoopResultBuilder]: For program point L1578-3(line 1578) no Hoare annotation was computed. [2022-12-13 15:55:12,182 INFO L899 garLoopResultBuilder]: For program point L1578-4(line 1578) no Hoare annotation was computed. [2022-12-13 15:55:12,182 INFO L895 garLoopResultBuilder]: At program point L1578-5(lines 1578 1581) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|)) (.cse1 (<= 1 |ULTIMATE.start_goodB2G_~k~0#1|)) (.cse2 (<= 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|))) (or (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_goodG2B_~h~0#1| 0)) (and .cse0 (<= 1 |ULTIMATE.start_goodG2B_~h~0#1|) .cse1 .cse2 (= |ULTIMATE.start_goodG2B_~data~1#1| 2)))) [2022-12-13 15:55:12,182 INFO L899 garLoopResultBuilder]: For program point L1578-6(lines 1578 1581) no Hoare annotation was computed. [2022-12-13 15:55:12,182 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1563) no Hoare annotation was computed. [2022-12-13 15:55:12,182 INFO L895 garLoopResultBuilder]: At program point L1587(line 1587) the Hoare annotation is: (and (<= 1 |ULTIMATE.start_goodB2G_~i~1#1|) (= |ULTIMATE.start_goodG2B_~j~0#1| 0) (<= 1 |ULTIMATE.start_goodG2B_~h~0#1|) (<= 1 |ULTIMATE.start_goodB2G_~k~0#1|) (<= 2147483647 |ULTIMATE.start_goodB2G_~data~0#1|) (= |ULTIMATE.start_goodG2B_~data~1#1| 2)) [2022-12-13 15:55:12,182 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW(line 1578) no Hoare annotation was computed. [2022-12-13 15:55:12,185 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-13 15:55:12,187 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 15:55:12,198 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 03:55:12 BoogieIcfgContainer [2022-12-13 15:55:12,198 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 15:55:12,198 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 15:55:12,198 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 15:55:12,198 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 15:55:12,199 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 03:55:09" (3/4) ... [2022-12-13 15:55:12,201 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 15:55:12,206 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printLine [2022-12-13 15:55:12,206 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure printIntLine [2022-12-13 15:55:12,208 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2022-12-13 15:55:12,209 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2022-12-13 15:55:12,209 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-12-13 15:55:12,209 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 15:55:12,234 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246c9cb2-7ede-45ce-8abd-64849ed79e4e/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 15:55:12,234 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 15:55:12,234 INFO L158 Benchmark]: Toolchain (without parser) took 3965.29ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 94.2MB in the beginning and 132.8MB in the end (delta: -38.6MB). Peak memory consumption was 13.2MB. Max. memory is 16.1GB. [2022-12-13 15:55:12,235 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 132.1MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:55:12,235 INFO L158 Benchmark]: CACSL2BoogieTranslator took 789.94ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 94.2MB in the beginning and 130.3MB in the end (delta: -36.1MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. [2022-12-13 15:55:12,235 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.43ms. Allocated memory is still 182.5MB. Free memory was 130.3MB in the beginning and 127.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 15:55:12,235 INFO L158 Benchmark]: Boogie Preprocessor took 20.29ms. Allocated memory is still 182.5MB. Free memory was 127.0MB in the beginning and 126.1MB in the end (delta: 927.5kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:55:12,236 INFO L158 Benchmark]: RCFGBuilder took 320.43ms. Allocated memory is still 182.5MB. Free memory was 126.1MB in the beginning and 111.2MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 15:55:12,236 INFO L158 Benchmark]: TraceAbstraction took 2755.65ms. Allocated memory is still 182.5MB. Free memory was 111.2MB in the beginning and 135.9MB in the end (delta: -24.7MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 15:55:12,236 INFO L158 Benchmark]: Witness Printer took 35.76ms. Allocated memory is still 182.5MB. Free memory was 135.9MB in the beginning and 132.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 15:55:12,238 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 132.1MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 789.94ms. Allocated memory was 132.1MB in the beginning and 182.5MB in the end (delta: 50.3MB). Free memory was 94.2MB in the beginning and 130.3MB in the end (delta: -36.1MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.43ms. Allocated memory is still 182.5MB. Free memory was 130.3MB in the beginning and 127.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.29ms. Allocated memory is still 182.5MB. Free memory was 127.0MB in the beginning and 126.1MB in the end (delta: 927.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 320.43ms. Allocated memory is still 182.5MB. Free memory was 126.1MB in the beginning and 111.2MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2755.65ms. Allocated memory is still 182.5MB. Free memory was 111.2MB in the beginning and 135.9MB in the end (delta: -24.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 35.76ms. Allocated memory is still 182.5MB. Free memory was 135.9MB in the beginning and 132.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1553]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1563]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1557]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1578]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1586]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 1582]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 59 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 2.7s, OverallIterations: 11, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 202 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 193 mSDsluCounter, 1285 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 766 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 129 IncrementalHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 519 mSDtfsCounter, 129 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 226 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=59occurred in iteration=0, InterpolantAutomatonStates: 45, 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, 8 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 12 LocationsWithAnnotation, 31 PreInvPairs, 43 NumberOfFragments, 136 HoareAnnotationTreeSize, 31 FomulaSimplifications, 19 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 12 FomulaSimplificationsInter, 12 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 457 NumberOfCodeBlocks, 457 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 442 ConstructedInterpolants, 0 QuantifiedInterpolants, 620 SizeOfPredicates, 4 NumberOfNonLiveVariables, 514 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 119/123 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 12 specifications checked. All of them hold - InvariantResult [Line: 1596]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1557]: Loop Invariant Derived loop invariant: ((1 <= i && 1 <= k) && 2147483647 <= data) || ((1 <= i && k == 0) && 2147483647 <= data) - InvariantResult [Line: 1578]: Loop Invariant Derived loop invariant: (((1 <= i && 1 <= k) && 2147483647 <= data) && h == 0) || ((((1 <= i && 1 <= h) && 1 <= k) && 2147483647 <= data) && data == 2) - InvariantResult [Line: 1553]: Loop Invariant Derived loop invariant: (1 <= i && 2147483647 <= data) || i == 0 - InvariantResult [Line: 1582]: Loop Invariant Derived loop invariant: (((((1 <= i && 1 <= j) && 1 <= h) && 1 <= k) && 2147483647 <= data) && data == 2) || (((((1 <= i && j == 0) && 1 <= h) && 1 <= k) && 2147483647 <= data) && data == 2) RESULT: Ultimate proved your program to be correct! [2022-12-13 15:55:12,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_246c9cb2-7ede-45ce-8abd-64849ed79e4e/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE